Automated mode chart generation for finite element analysis of piezoelectric resonators using principal component analysis based on clustering

Kenji Inoue, Yuji Ohashi, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　2024/01/01

DOI： 10.35848/1347-4065/ad12f0 　

Optimizing irradiation conditions for low-intensity pulsed ultrasound to upregulate endothelial nitric oxide synthase.

Daiki Ouchi, Shohei Mori, Mototaka Arakawa, Tomohiko Shindo, Hiroaki Shimokawa, Satoshi Yasuda, Hiroshi Kanai

Journal of medical ultrasonics (2001)　2023/12/05

DOI： 10.1007/s10396-023-01382-z 　

Estimation error in speed of sound caused by rotation of measured cross-section from short-axis plane of blood vessels: a preliminary study.

Shohei Mori, Keiji Onoda, Mototaka Arakawa, Hiroshi Kanai

Journal of medical ultrasonics (2001)　2023/11/30

DOI： 10.1007/s10396-023-01383-y 　

A randomized, double-blind, placebo-controlled pilot trial of low-intensity pulsed ultrasound therapy for refractory angina pectoris Peer-reviewed

Tomohiko Shindo, Kenta Ito, Tsuyoshi Ogata, Ryo Kurosawa, Kumiko Eguchi, Yuta Kagaya, Kenichiro Hanawa, Yuhi Hasebe, Kensuke Nishimiya, Takashi Shiroto, Jun Takahashi, Yasuo Okumura, Teruo Noguchi, Yukio Ozaki, Hiroyuki Daida, Nobuhisa Hagiwara, Tohru Masuyama, Taishiro Chikamori, Yoshihiro Fukumoto, Kenichi Tsujita, Hiroshi Kanai, Satoshi Yasuda, Hiroaki Shimokawa

PLOS ONE　18　(6)　e0287714-e0287714　2023/06/23

DOI： 10.1371/journal.pone.0287714 　

eISSN： 1932-6203

Quantification of limitations in statistical analysis of ultrasound echo envelope amplitudes Peer-reviewed

Shohei Mori, Mototaka Arakawa, Hiroshi Kanai, Hiroyuki Hachiya

Japanese Journal of Applied Physics　62　(SJ)　SJ1045-SJ1045　2023/04/12

DOI： 10.35848/1347-4065/acc33e 　

ISSN： 0021-4922

eISSN： 1347-4065

Ultrasonic measurement of carotid luminal surface roughness with removal of axial displacement caused by blood pulsation Peer-reviewed

Ryota Yamane, Shohei Mori, Mototaka Arakawa, Jens E. Wilhjelm, Hiroshi Kanai

Japanese Journal of Applied Physics　62　(SJ)　SJ1042-SJ1042　2023/04/03

DOI： 10.35848/1347-4065/acc07a 　

ISSN： 0021-4922

eISSN： 1347-4065

High-speed measurement of two-dimensional displacement of myocardium using element RF data of ultrasonic probe Peer-reviewed

Kaisei Hara, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　62　(SJ)　SJ1040-SJ1040　2023/03/27

DOI： 10.35848/1347-4065/acc112 　

ISSN： 0021-4922

eISSN： 1347-4065

Internal pressure dependence on viscoelasticity of arterial wall by ultrasonic measurement Peer-reviewed

Saki Suzuki, Shohei Mori, Masumi Iwai-Takano, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　62　(SJ)　SJ1041-SJ1041　2023/03/27

DOI： 10.35848/1347-4065/acbf5d 　

ISSN： 0021-4922

eISSN： 1347-4065

Ultrasonic measurement of thickness of carotid arterial wall using its natural longitudinal displacement Peer-reviewed

Yoshifumi Nagai, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　62　(SJ)　SJ1039-SJ1039　2023/03/21

DOI： 10.35848/1347-4065/acba26 　

ISSN： 0021-4922

eISSN： 1347-4065

Speed-of-sound estimation in ultrasound propagation medium by considering size of target scatterer Peer-reviewed

Shohei Mori, Hiroshi Kanai, Mototaka Arakawa

Journal of Medical Ultrasonics　2023/03/11

DOI： 10.1007/s10396-023-01282-2 　

ISSN： 1346-4523

eISSN： 1613-2254

Beneficial Effects of Low-Intensity Pulsed Ultrasound Therapy on Right Ventricular Dysfunction in Animal Models Peer-reviewed

Takashi Nakata, Tomohiko Shindo, Kenta Ito, Kumiko Eguchi, Yuto Monma, Sadamitsu Ichijo, Rie Ryoke, Wakako Satoh, Kazunori Kumasaka, Haruka Sato, Ryo Kurosawa, Kimio Satoh, Ryuta Kawashima, Masahito Miura, Hiroshi Kanai, Satoshi Yasuda, Hiroaki Shimokawa

JACC: Basic to Translational Science　8　(3)　283-297　2023/03

DOI： 10.1016/j.jacbts.2022.08.010 　

ISSN： 2452-302X

Lateral M-Mode: Ultrasound Visualization of Displacement Along Longitudinal Direction at Intima-Media Complex. International-journal Peer-reviewed

Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Ultrasound in medicine & biology　49　(3)　875-888　2023/03

DOI： 10.1016/j.ultrasmedbio.2022.11.014 　

In vivo measurement of attenuation coefficient of blood in a dorsal hand vein in a frequency range of 10–45 MHz: A preliminary study Peer-reviewed

Mototaka Arakawa, Kyohei Higashiyama, Shohei Mori, Satoshi Yashiro, Yasushi Ishigaki, Hiroshi Kanai

Frontiers in Physics　11　2023/02/07

DOI： 10.3389/fphy.2023.1077696 　

eISSN： 2296-424X

Evaluation of two semi-supervised learning methods and their combination for automatic classification of bone marrow cells Peer-reviewed

Iori Nakamura, Haruhi Ida, Mayu Yabuta, Wataru Kashiwa, Maho Tsukamoto, Shigeki Sato, Syuichi Ota, Naoki Kobayashi, Hiromi Masauzi, Kazunori Okada, Sanae Kaga, Keiko Miwa, Hiroshi Kanai, Nobuo Masauzi

Scientific Reports　12　(1)　2022/10/06

DOI： 10.1038/s41598-022-20651-4 　

eISSN： 2045-2322

Application of low-complexity generalized coherence factor to in vivo data Peer-reviewed

Masanori Hisatsu, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Journal of Medical Ultrasonics　2022/08/30

DOI： 10.1007/s10396-022-01243-1 　

ISSN： 1346-4523

eISSN： 1613-2254

Evaluation of local changes in radio-frequency signal waveform and brightness caused by vessel dilatation for ascertaining reliability of elasticity estimation inside heterogeneous plaque: a preliminary study Peer-reviewed

Yuta Haji, Shohei Mori, Mototaka Arakawa, Toshio Yamagishi, Hiroshi Kanai

Journal of Medical Ultrasonics　2022/07/16

DOI： 10.1007/s10396-022-01229-z 　

ISSN： 1346-4523

eISSN： 1613-2254

Accurate measurement of elasticity of the radial artery wall considering changes in cross-sectional shape of artery caused by pushing pressure applied by ultrasound probe Peer-reviewed

Yuto Shoji, Shohei Mori, Mototaka Arakawa, Shigeo Ohba, Kazuto Kobayashi, Hiroshi Kanai

Japanese Journal of Applied Physics　61　(SG)　2022/07/01

DOI： 10.35848/1347-4065/ac4e4a 　

ISSN： 0021-4922

eISSN： 1347-4065

Transmission conditions for clear depiction of thoracic spine based on difference between reflection and scattering characteristics of medical ultrasound Peer-reviewed

Taiga Bando, Shohei Mori, Mototaka Arakawa, Eiko Onishi, Masanori Yamauchi, Hiroshi Kanai

Japanese Journal of Applied Physics　61　(SG)　2022/07/01

DOI： 10.35848/1347-4065/ac51c0 　

ISSN： 0021-4922

eISSN： 1347-4065

Improving axial resolution of medical ultrasound images by using noise-robust broadband filter based on singular value decomposition Peer-reviewed

Kenta Kawamata, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　61　(SG)　2022/07/01

DOI： 10.35848/1347-4065/ac5a2c 　

ISSN： 0021-4922

eISSN： 1347-4065

Estimation of aggregate size of red blood cell by introducing reference power spectrum measured for hemispherical ultrafine wire Peer-reviewed

Kyohei Higashiyama, Shohei Mori, Mototaka Arakawa, Satoshi Yashiro, Yasushi Ishigaki, Hiroshi Kanai

Japanese Journal of Applied Physics　61　(SG)　2022/07/01

DOI： 10.35848/1347-4065/ac4683 　

ISSN： 0021-4922

eISSN： 1347-4065

Appropriate Window Function and Window Length in Multifrequency Velocity Estimator for Rapid Motion and Locality of Layered Myocardium. International-journal Peer-reviewed

Yu Obara, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

IEEE transactions on ultrasonics, ferroelectrics, and frequency control　69　(4)　1353-1369　2022/04

DOI： 10.1109/TUFFC.2022.3153048 　

骨と筋組織の超音波の反射特性と散乱特性の差異に基づく胸椎の描出 Peer-reviewed

横山 智大, 森 翔平, 荒川 元孝, 大西 詠子, 山内 正憲, 金井 浩

超音波医学　49　(2)　141-149　2022/03

ISSN： 1346-1176

eISSN： 1881-9311

Low-complexity generalized coherence factor estimated from binarized signals in ultrasound beamforming

Masanori HISATSU, Shohei MORI, Mototaka ARAKAWA, Hiroshi KANAI

Choonpa Igaku　49　(6)　503-516　2022

DOI： 10.3179/jjmu.jjmu.k.27 　

ISSN： 1346-1176

eISSN： 1881-9311

Low-intensity pulsed ultrasound therapy promotes recovery from stroke by enhancing angio-neurogenesis in mice in vivo Peer-reviewed

Sadamitsu Ichijo, Tomohiko Shindo, Kumiko Eguchi, Yuto Monma, Takashi Nakata, Yoshihiko Morisue, Hiroshi Kanai, Noriko Osumi, Satoshi Yasuda, Hiroaki Shimokawa

Scientific Reports　11　(1)　2021/12

DOI： 10.1038/s41598-021-84473-6 　

eISSN： 2045-2322

A Novel Method for Depicting Thoracic Spine Using Difference Between Scattering of Muscle Tissues and Reflection at Bone Surface

Mototaka Arakawa, Takumi Hashimoto, Taiga Bando, Shohei Mori, Eiko Onishi, Masanori Yamauchi, Hiroshi Kanai

2021 IEEE International Ultrasonics Symposium (IUS)　2021/09/11

DOI： 10.1109/ius52206.2021.9593754 　

Preliminary Study on Estimation of Speed of Sound in Propagation Medium Considering Target Scatterer Size

Shohei Mori, Aoi Nakayama, Keiji Onoda, Mototaka Arakawa, Hiroshi Kanai

2021 IEEE International Ultrasonics Symposium (IUS)　2021/09/11

DOI： 10.1109/ius52206.2021.9593638 　

Strain Rate Distribution in Layered Myocardium Measured Using Local Velocity Estimator with Multifrequency Phase Differences Peer-reviewed

Yu Obara, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Ultrasound in Medicine and Biology　47　(9)　2768-2773　2021/09

DOI： 10.1016/j.ultrasmedbio.2021.05.021 　

ISSN： 0301-5629

eISSN： 1879-291X

Evaluation of error factors depending on ultrasonic transmitted beamwidth in measurement of myocardial minute velocity Peer-reviewed

Kana Sugahara, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　60　(SD)　2021/07

DOI： 10.35848/1347-4065/abef0e 　

ISSN： 0021-4922

eISSN： 1347-4065

Measurement of propagation of local and minute contractile response in layered myocardium Peer-reviewed

Yu Obara, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　60　(SD)　2021/07

DOI： 10.35848/1347-4065/abeabf 　

ISSN： 0021-4922

eISSN： 1347-4065

Estimation of viscoelasticity of radial artery during flow-mediated dilatation using a single ultrasound probe based on blood pressure measurement via pulse transit time method Peer-reviewed

Yuto Shoji, Shohei Mori, Mototaka Arakawa, Shigeo Ohba, Kazuto Kobayashi, Hiroshi Kanai

Japanese Journal of Applied Physics　60　(SD)　2021/07

DOI： 10.35848/1347-4065/abef0b 　

ISSN： 0021-4922

eISSN： 1347-4065

Accuracy verification in ultrasonic elasticity measurement within intima-media complex visible range using phantom experimental system Peer-reviewed

Seira Akiyama, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　60　(SD)　2021/07

DOI： 10.35848/1347-4065/abef0d 　

ISSN： 0021-4922

eISSN： 1347-4065

Low-complexity generalized coherence factor estimated from binarized signals in ultrasound beamforming Peer-reviewed

Masanori Hisatsu, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Journal of Medical Ultrasonics　48　(3)　259-272　2021/07

DOI： 10.1007/s10396-021-01089-z 　

ISSN： 1346-4523

eISSN： 1613-2254

A study on differentiation of depiction between scatterer and reflector to assist epidural anesthesia by ultrasound Peer-reviewed

Takumi Hashimoto, Shohei Mori, Mototaka Arakawa, Eiko Onishi, Masanori Yamauchi, Hiroshi Kanai

Japanese Journal of Applied Physics　60　2021/07

DOI： 10.35848/1347-4065/abf4a3 　

ISSN： 0021-4922

eISSN： 1347-4065

Estimation error in sound velocity depending on size of target scatterer Peer-reviewed

Aoi Nakayama, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　60　2021/07

DOI： 10.35848/1347-4065/abf39e 　

ISSN： 0021-4922

eISSN： 1347-4065

Low-intensity pulsed ultrasound ameliorates cardiac diastolic dysfunction in mice: A possible novel therapy for heart failure with preserved left ventricular ejection fraction Peer-reviewed

Yuto Monma, Tomohiko Shindo, Kumiko Eguchi, Ryo Kurosawa, Yuta Kagaya, Yosuke Ikumi, Sadamitsu Ichijo, Takashi Nakata, Satoshi Miyata, Ayana Matsumoto, Haruka Sato, Masahito Miura, Hiroshi Kanai, Hiroaki Shimokawa

Cardiovascular Research　117　(5)　1325-1338　2021/05/01

DOI： 10.1093/cvr/cvaa221 　

ISSN： 0008-6363

eISSN： 1755-3245

Multifrequency Phased Tracking Method for Estimating Velocity in Heart Wall Peer-reviewed

Yu Obara, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Ultrasound in Medicine and Biology　47　(4)　1077-1088　2021/04

DOI： 10.1016/j.ultrasmedbio.2020.12.011 　

ISSN： 0301-5629

eISSN： 1879-291X

Evaluation method of the degree of red blood cell aggregation considering ultrasonic propagation attenuation by analyzing ultrasonic backscattering properties Peer-reviewed

Kanta Nagasawa, Akiyo Fukase, Shohei Mori, Mototaka Arakawa, Satoshi Yashiro, Yasushi Ishigaki, Hiroshi Kanai

Journal of Medical Ultrasonics　48　(1)　3-12　2021/01

DOI： 10.1007/s10396-020-01065-z 　

ISSN： 1346-4523

eISSN： 1613-2254

右心不全動物モデルに対する低出力パルス波超音波治療の有効性と安全性に関する基礎的検討

中田 貴史, 進藤 智彦, 門間 雄斗, 一條 貞満, 金井 浩, 下川 宏明

脈管学　60　(Suppl.)　S161-S161　2020/10

ISSN： 0387-1126

eISSN： 1880-8840

音波を用いた低侵襲治療の開発

進藤 智彦, 高橋 潤, 白戸 崇, 菊地 翼, 西宮 健介, 神戸 茂雄, 一條 貞満, 中田 貴史, 坂田 泰彦, 金井 浩, 安田 聡, 下川 宏明

脈管学　60　(Suppl.)　S85-S85　2020/10

ISSN： 0387-1126

eISSN： 1880-8840

Feasibility of Non-invasive Pulse Pressure Measurement Using the Phased-Tracking Method Peer-reviewed

Shusaku Kobori, Jun Murotsuki, Shimpei Watanabe, Hideyuki Hasegawa, Hiroshi Kanai, Nobuo Yaegashi, Masatoshi Saito

Ultrasound in Medicine and Biology　46　(10)　2711-2716　2020/10

DOI： 10.1016/j.ultrasmedbio.2020.06.019 　

ISSN： 0301-5629

eISSN： 1879-291X

Ultrasound measurement of fetal arterial pulse pressure using phased-tracking methods: A phantom study and clinical experience with antenatal corticosteroid therapy Peer-reviewed

Jin Muromoto, Jun Murotsuki, Susumu Miyashita, Hideyuki Hasegawa, Hirofumi Taki, Hiroshi Kanai, Nobuo Yaegashi

Journal of Obstetrics and Gynaecology Research　46　(10)　1994-2001　2020/10/01

DOI： 10.1111/jog.14402 　

ISSN： 1341-8076

eISSN： 1447-0756

Ultrasonic Measurement of Luminal Surface Roughness of Carotid Artery Wall with Removal of Local Displacement Induced by Blood Vessel Pulsation

Shohei Mori, Takahisa Abe, Mototaka Arakawa, Jens E. Wilhjelm, Hiroshi Kanai

IEEE International Ultrasonics Symposium, IUS　2020-September　2020/09/07

DOI： 10.1109/IUS46767.2020.9251812 　

ISSN： 1948-5719

eISSN： 1948-5727

Measurement of change in viscoelasticity of radial artery during flow-mediated dilatation using a single ultrasonic probe

Yuto Shoji, Takumi Saito, Shohei Mori, Mototaka Arakawa, Shigeo Ohba, Kazuto Kobayashi, Hiroshi Kanai

IEEE International Ultrasonics Symposium, IUS　2020-September　2020/09/07

DOI： 10.1109/IUS46767.2020.9251414 　

ISSN： 1948-5719

eISSN： 1948-5727

Basic study for size estimation of red blood cell aggregates by analyzing ultrasonic backscattering properties considering ultrasonic propagation attenuation

Mototaka Arakawa, Kanta Nagasawa, Akiyo Fukase, Kyohei Higashiyama, Shohei Mori, Satoshi Yashiro, Yasushi Ishigaki, Hiroshi Kanai

IEEE International Ultrasonics Symposium, IUS　2020-September　2020/09/07

DOI： 10.1109/IUS46767.2020.9251333 　

ISSN： 1948-5719

eISSN： 1948-5727

Estimation of viscoelasticity of radial artery via simultaneous measurement of changes in pressure and diameter using a single ultrasound probe

Takumi Saito, Shohei Mori, Mototaka Arakawa, Shigeo Ohba, Kazuto Kobayashi, Hiroshi Kanai

Japanese Journal of Applied Physics　59　2020/07/01

DOI： 10.35848/1347-4065/ab7f1c 　

ISSN： 0021-4922

eISSN： 1347-4065

Measurement of viscoelasticity of anisotropic viscoelastic phantom by dual ultrasound excitation

Hibiki Kawamura, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　59　(SK)　2020/07/01

DOI： 10.35848/1347-4065/ab8bc0 　

ISSN： 0021-4922

eISSN： 1347-4065

Generalized coherence factor estimated from real signals in ultrasound beamforming

Masanori Hisatsu, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Journal of Medical Ultrasonics　47　(2)　179-192　2020/04

DOI： 10.1007/s10396-019-01004-7 　

ISSN： 1346-4523

eISSN： 1613-2254

Discrimination of thoracic spine from muscle based on their difference in ultrasound reflection and scattering characteristics

Tomohiro Yokoyama, Shohei Mori, Mototaka Arakawa, Eiko Onishi, Masanori Yamauchi, Hiroshi Kanai

Journal of Medical Ultrasonics　47　(1)　3-11　2020/01/01

DOI： 10.1007/s10396-019-00964-0 　

ISSN： 1346-4523

eISSN： 1613-2254

Role of intra-ventricular vortex in left ventricular ejection elucidated by echo-dynamography

Motonao Tanaka, Tsuguya Sakamoto, Yoshifumi Saijo, Yoshiaki Katahira, Shigeo Sugawara, Hiroyuki Nakajima, Takafumi Kurokawa, Hiroshi Kanai

Journal of Medical Ultrasonics　46　(4)　413-423　2019/10/01

DOI： 10.1007/s10396-019-00943-5 　

ISSN： 1346-4523

eISSN： 1613-2254

Development of an ultrasonic probe to measure both radial arterial pressure and diameter change at the same position for early diagnosis of vascular endothelial function: Preliminary study

Mototaka Arakawa, Takumi Saito, Shohei Mori, Shigeo Ohba, Kazuto Kobayashi, Hiroshi Kanai

Sensors and Actuators, A: Physical　297　2019/10/01

DOI： 10.1016/j.sna.2019.07.011 　

ISSN： 0924-4247

Accurate Estimation Method of Arterial Wall Movement in Longitudinal Direction

Koji Iwamori, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

IEEE International Ultrasonics Symposium, IUS　2019-October　460-462　2019/10

DOI： 10.1109/ULTSYM.2019.8925634 　

ISSN： 1948-5719

eISSN： 1948-5727

Speeds of Contraction Responses Propagating along Septum at Pre-ejection Period are Different between Radial and Longitudinal Directions

Hiroshi Kanai, Shohei Mori, Mototaka Arakawa

IEEE International Ultrasonics Symposium, IUS　2019-October　1418-1420　2019/10

DOI： 10.1109/ULTSYM.2019.8925990 　

ISSN： 1948-5719

eISSN： 1948-5727

Correlation between Red Blood Cell Aggregation and Blood Glucose Level

Akiyo Fukase, Kanta Nagasawa, Shohei Mori, Mototaka Arakawa, Satoshi Yashiro, Yasushi Ishigaki, Hiroshi Kanai

IEEE International Ultrasonics Symposium, IUS　2019-October　45-47　2019/10

DOI： 10.1109/ULTSYM.2019.8926267 　

ISSN： 1948-5719

eISSN： 1948-5727

低出力パルス超音波はin vivoでの急性心筋梗塞のApoE欠損マウスにおいて左室機能不全を改善する(Low-intensity Pulsed Ultrasound Ameliorates Left Ventricular Dysfunction in ApoE-deficient Mice with Acute Myocardial Infarction in Vivo)

進藤 智彦, 門間 雄斗, 一條 貞満, 中田 貴史, 宮田 敏, 金井 浩, 下川 宏明

日本循環器学会学術集会抄録集　83回　PJ001-2　2019/03

Blood pressure measurement using piezoelectric effect by an ultrasonic probe

Mototaka Arakawa, Kota Kudo, Kazuto Kobayashi, Hiroshi Kanai

Sensors and Actuators, A: Physical　286　146-151　2019/02/01

DOI： 10.1016/j.sna.2018.12.019 　

ISSN： 0924-4247

Ultrasound scattering by aggregated red blood cells in patients with diabetes

Hiroki Sakaki, Mototaka Arakawa, Satoshi Yashiro, Yusuke Todate, Yasushi Ishigaki, Hiroshi Kanai

Journal of Medical Ultrasonics　46　(1)　3-14　2019/01/25

DOI： 10.1007/s10396-018-0892-z 　

ISSN： 1346-4523

eISSN： 1613-2254

Estimation method for sound velocity distribution for high-resolution ultrasonic tomographic imaging

Keiichiro Abe, Mototaka Arakawa, Hiroshi Kanai

Journal of Medical Ultrasonics　46　(1)　27-33　2019/01/25

DOI： 10.1007/s10396-018-0915-9 　

ISSN： 1346-4523

eISSN： 1613-2254

A new evaluation method for dependence of width of transmitted waves on accuracy in multipoint simultaneous ultrasonic measurements of cardiac wall vibration waveform

Naoya Furusawa, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　58　(SG)　2019

DOI： 10.7567/1347-4065/ab1a30 　

ISSN： 0021-4922

eISSN： 1347-4065

Local two-dimensional distribution of propagation speed of myocardial contraction for ultrasonic visualization of contraction propagation

Akane Hayashi, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　58　(SG)　2019

DOI： 10.7567/1347-4065/ab0d0b 　

ISSN： 0021-4922

eISSN： 1347-4065

Ultrasonic detection of decrease in propagation velocity of contraction response due to myocardial ischemia in swine heart wall Peer-reviewed

A. Hayashi, M. Arakawa, H. Yamamoto, S. Morosawa, H. Shimokawa, H. Kanai

Jpn. J. Med. Ultrasonics　45　(6)　595-603　2018/11

DOI： 10.3179/jjmu. 　

Spiral Complex Movements of the Heart Wall at the Beginning of Myocardial Contraction Detected by High Frame Speckle Tracking

Itsuki Kobayashi, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai

Proc. 2018 IEEE International Ultrasonics Symposium　2018-October　2018/10

DOI： 10.1109/ULTSYM.2018.8579988 　

ISSN： 1948-5719

eISSN： 1948-5727

Ultrasonically Measured Propagation Speed of Myocardial Contraction Rapidly Descreased in Swine Heart Just after A vascularisation of Coronary Artery

Akane Hayashi, Shohei Mori, Arakawa Mototaka, Hiroaki Yamamoto, Susumu Morosawa, Hiroaki Shimokawa, Hiroshi, Kanai

Proc. 2018 IEEE International Ultrasonics Symposium　2018-October　2018/10

DOI： 10.1109/ULTSYM.2018.8579780 　

ISSN： 1948-5719

eISSN： 1948-5727

An Ultrasonic Probe to Measure Both Radial Arterial Pressure and Diameter at Identical Position for Early Diagnosis of Arteriosclerosis

Mototaka Arakawa, Takumi Saito, Shohei MOri, Shigeo Ohba, Kazuto Kobayashi, Hiroshi Kanai

Proc. 2018 IEEE International Ultrasonics Symposium　2018-October　2018/10

DOI： 10.1109/ULTSYM.2018.8579854 　

ISSN： 1948-5719

eISSN： 1948-5727

Red Blood Cell Aggregation Measurement with 40-MHz Ultrasound Has a Possibility for Noninvasive Evaluation of Blood Glucose Level in Patients with Diabetes

Mototaka Arakawa, Hiroki Sakaki, Kanta Nagasawa, Akiyo Fukase, Shohei Mori, Satoshi Yashiro, Yasushi Ishigaki, Hiroshi Kanai

Proc. 2018 IEEE International Ultrasonics Symposium　2018-October　2018/10

DOI： 10.1109/ULTSYM.2018.8580086 　

ISSN： 1948-5719

eISSN： 1948-5727

Whole-brain low-intensity pulsed ultrasound therapy markedly improves cognitive dysfunctions in mouse models of dementia - Crucial roles of endothelial nitric oxide synthase

Kumiko Eguchi, Tomohiko Shindo, Kenta Ito, Tsuyoshi Ogata, Ryo Kurosawa, Yuta Kagaya, Yuto Monma, Sadamitsu Ichijo, Sachie Kasukabe, Satoshi Miyata, Takeo Yoshikawa, Kazuhiko Yanai, Hirofumi Taki, Hiroshi Kanai, Noriko Osumi, Hiroaki Shimokawa

Brain Stimulation　11　(5)　959-973　2018/09

DOI： 10.1016/j.brs.2018.05.012 　

ISSN： 1935-861X

eISSN： 1876-4754

Local pulse wave velocity estimated from small vibrations measured ultrasonically at multiple points on the arterial wall

Mika Ito, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　57　(7S1)　2018/07/01

DOI： 10.7567/JJAP.57.07LF14 　

ISSN： 0021-4922

eISSN： 1347-4065

Frequency characteristics of vibration generated by dual acoustic radiation force for estimating viscoelastic properties of biological tissues

Ryoichi Watanabe, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　57　(7S1)　2018/07/01

DOI： 10.7567/JJAP.57.07LF09 　

ISSN： 0021-4922

eISSN： 1347-4065

Accuracy improvement in measurement of arterial wall elasticity by applying pulse inversion to phased-tracking method

Yukiya Miyachi, Mototaka Arakawa, Hiroshi Kanai

Japanese Journal of Applied Physics　57　(7S1)　2018/07/01

DOI： 10.7567/JJAP.57.07LF08 　

ISSN： 0021-4922

eISSN： 1347-4065

Robust analysis method for acoustic properties of biological specimens measured by acoustic microscopy Peer-reviewed

Mototaka Arakawa, Shohei Mori, Hiroshi Kanai, Ryo Nagaoka, Miki Horie, Kazuto Kobayashi, Yoshifumi Saijo

Japanese Journal of Applied Physics　57　(7S1)　07LB07-1-07LB07-7　2018/07

DOI： 10.7567/JJAP.57.07LB07 　

ISSN： 0021-4922

eISSN： 1347-4065

Serum cystatin C level is associated with carotid arterial wall elasticity in subjects with type 2 diabetes mellitus: A potential marker of early-stage atherosclerosis Peer-reviewed

Rei Kaneko, Shojiro Sawada, Ai Tokita, Rieko Honkura, Noriko Tamura, Shinjiro Kodama, Tomohito Izumi, Kei Takahashi, Kenji Uno, Junta Imai, Tetsuya Yamada, Yukiya Miyachi, Hideyuki Hasegawa, Hiroshi Kanai, Yasushi Ishigaki, Hideki Katagiri

Diabetes Research and Clinical Practice　139　43-51　2018/05

DOI： 10.1016/j.diabres.2018.02.003 　

ISSN： 0168-8227

eISSN： 1872-8227

認知症マウスに対する低出力超音波パルスの治療効果におけるendothelial nitric oxide synthaseの重要な役割(Crucial Role of Endothelial Nitric Oxide Synthase in the Therapeutic Effects of Low-intensity Pulsed Ultrasound for Dementia in Mice)

江口 久美子, 進藤 智彦, 伊藤 健太, 黒澤 亮, 加賀谷 裕太, 門間 雄斗, 一條 貞満, 宮田 敏, 瀧 宏文, 金井 浩, 下川 宏明

日本循環器学会学術集会抄録集　82回　PJ036-6　2018/03

A method for the design of ultrasonic devices for scanning acoustic microscopy using impulsive signals

Mototaka Arakawa, Hiroshi Kanai, Kazuo Ishikawa, Ryo Nagaoka, Kazuto Kobayashi, Yoshifumi Saijo

Ultrasonics　84　172-179　2018/03

DOI： 10.1016/j.ultras.2017.10.023 　

ISSN： 0041-624X

Ultrasonic measurement of propagation of leading edge contraction from interventricular septum to left ventricular posterior wall for the human heart Peer-reviewed

A. Hayashi, M. Arakawa, H. Kanai

Jpn. J. Med. Ultrasonics　45　(2)　191-198　2018/03

DOI： 10.3179/jjmu.JJMU.A.102 　

Attempt at standardization of bone quantitative ultrasound in Japan

Otani, T., Fukunaga, M., Yho, K., Miki, T., Yamazaki, K., Kishimoto, H., Matsukawa, M., Endoh, N., Hachiya, H., Kanai, H., Fujiwara, S., Nagai, Y.

Journal of Medical Ultrasonics　45　(1)　2018

DOI： 10.1007/s10396-017-0814-5 　

Erratum to: Attempt at standardization of bone quantitative ultrasound in Japan (Journal of Medical Ultrasonics, (2018), 45, 1, (3-13), 10.1007/s10396-017-0814-5)

Takahiko Otani, Masao Fukunaga, Kosei Yoh, Takami Miki, Kaoru Yamazaki, Hideaki Kishimoto, Mami Matsukawa, Nobuyuki Endoh, Hiroyuki Hachiya, Hiroshi Kanai, Saeko Fujiwara, Yoshinori Nagai

Journal of Medical Ultrasonics　45　(1)　15-13　2018/01/01

DOI： 10.1007/s10396-017-0832-3 　

ISSN： 1346-4523

eISSN： 1613-2254

Editor’s note

Hiroshi Kanai

Journal of Medical Ultrasonics　44　(4)　329　2017/10/01

DOI： 10.1007/s10396-017-0820-7 　

ISSN： 1346-4523

eISSN： 1613-2254

Fast decomposition of two ultrasound longitudinal waves in cancellous bone using a phase rotation parameter for bone quality assessment: Simulation study Peer-reviewed

Hirofumi Taki, Yoshiki Nagatani, Mami Matsukawa, Hiroshi Kanai, Shin-Ichi Izumi

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA　142　(4)　2322-2331　2017/10

DOI： 10.1121/1.5008502 　

ISSN： 0001-4966

eISSN： 1520-8524

Low-intensity pulsed ultrasound enhances angiogenesis and ameliorates contractile dysfunction of pressure-overloaded heart in mice

Tsuyoshi Ogata, Kenta Ito, Tomohiko Shindo, Kazuaki Hatanaka, Kumiko Eguchi, Ryo Kurosawa, Yuta Kagaya, Yuto Monma, Sadamitsu Ichijo, Hirofumi Taki, Hiroshi Kanai, Hiroaki Shimokawa

PLoS ONE　12　(9)　2017/09/01

DOI： 10.1371/journal.pone.0185555 　

eISSN： 1932-6203

Ultrasound imaging of propagation of myocardial contraction for non-invasive identification of myocardial ischemia Peer-reviewed

Yuya Matsuno, Hirofumi Taki, Hiroaki Yamamoto, Michinori Hirano, Susumu Morosawa, Hiroaki Shimokawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　56　(7)　07JF05-1-07JF05-6　2017/07

DOI： 10.7567/JJAP.56.07JF05 　

ISSN： 0021-4922

eISSN： 1347-4065

Mechanism of synchronized change in ultrasonic integrated backscatter across human heart wall Peer-reviewed

Yumi Tobinai, Hirofumi Taki, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　56　(7)　07JF04-1-07JF04-6　2017/07

DOI： 10.7567/JJAP.56.07JF04 　

ISSN： 0021-4922

eISSN： 1347-4065

Imaging of human vertebral surface using ultrasound RF data received at each element of probe for thoracic anesthesia Peer-reviewed

Kazuki Takahashi, Hirofumi Taki, Eiko Onishi, Masanori Yamauchi, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　56　(7)　07JF01-1-07JF01-5　2017/07

DOI： 10.7567/JJAP.56.07JF01 　

ISSN： 0021-4922

eISSN： 1347-4065

Identification of the heart wall and chamber based on temporal change of ultrasonic scatterer distribution Peer-reviewed

Kohei Takahashi, Hirofumi Taki, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　56　(7)　07JF09-1-07JF09-7　2017/07

DOI： 10.7567/JJAP.56.07JF09 　

ISSN： 0021-4922

eISSN： 1347-4065

Detection of slight defects in ball bearings using the resonant vibration estimated by the two-pulse model.

Kanai, H., Abe, M., Kido, K.

IN: INTER-NOISE 86, PROC. 1986 INT. CONF. ON PROGRESS IN NOISE CONTROL, (CAMBRIDGE, U.S.A.: JUL. 21-23, 1986), R. LOTZ (ED.)　II, New York, U.S.A., Noise Control Found., 1986　2017

Frequency characteristic of tissue displacement generated by dual acoustic radiation pressure for estimating viscoelastic properties of tissue

Watanabe Ryoichi, Taki Hirofumi, Kanai Hiroshi

Transactions of Japanese Society for Medical and Biological Engineering　55　(4)　257-257　2017

DOI： 10.11239/jsmbe.55Annual.257 　

超音波による心臓の高時間分解能計測を目指した平面波幅の測定

古澤 直也, 荒川 元孝, 金井 浩

電気関係学会東北支部連合大会講演論文集　2017　219-219　2017

DOI： 10.11528/tsjc.2017.0_219 　

動脈硬化症における動脈壁の局所的弾性特性の計測

岩森 光司, 荒川 元孝, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2017　222-222　2017

DOI： 10.11528/tsjc.2017.0_222 　

超音波による血管領域描出の 高分解能化を目指した音速分布推定に関する基礎検討

阿部 啓一郎, 荒川 元孝, 金井 浩

電気関係学会東北支部連合大会講演論文集　2017　220-220　2017

DOI： 10.11528/tsjc.2017.0_220 　

心筋虚血部同定を目的とした心筋収縮伝播の超音波計測に関する検討

林 あかね, 荒川 元孝, 山本 裕明, 平野 道基, 諸沢 薦, 下川 宏明, 金井 浩

電気関係学会東北支部連合大会講演論文集　2017　218-218　2017

DOI： 10.11528/tsjc.2017.0_218 　

Ultrasonic measurement of arterial pressure and diameter at the same position

Kota Kudo, Hiroshi Kanai, Kazuto Kobayashi

Transactions of Japanese Society for Medical and Biological Engineering　55　(Proc)　599-600　2017

DOI： 10.11239/jsmbe.55Annual.599 　

ISSN： 1881-4379

eISSN： 1347-443X

Frequency characteristic of tissue response by dual acoustic radiation pressure for estimating viscoelastic properties of biological tissue Peer-reviewed

Ryoichi Watanabe, Hirofumi Taki, Hiroshi Kanai

Transactions of Japanese Society for Medical and Biological Engineering　55　(Proc)　530-531　2017

DOI： 10.11239/jsmbe.55Annual.530 　

ISSN： 1881-4379

eISSN： 1347-443X

Deformability of the pulsating left ventricular wall: A new aspect elucidated by high resolution ultrasonic methods Peer-reviewed

Motonao Tanaka, Tsuguya Sakamoto, Shigeo Sugawara, Yoshiaki Katahira, Kaoru Hasegawa, Hiroyuki Nakajima, Takafumi Kurokawa, Hiroshi Kanai, Hideyuki Hasegawa

JOURNAL OF CARDIOLOGY　69　(1-2)　462-470　2017/01

DOI： 10.1016/j.jjcc.2016.02.009 　

ISSN： 0914-5087

eISSN： 1876-4738

Near real-time measurement of myocardial contraction and relaxation based on high-frame-rate ultrasound with a graphical processing unit system Peer-reviewed

Takuma Asai, Hirofumi Taki, Hiroshi Kanai

IEEJ Transactions on Electronics, Information and Systems　137　(4)　573-578　2017

DOI： 10.1541/ieejeiss.137.573 　

ISSN： 0385-4221

eISSN： 1348-8155

Editor’s note

Hiroshi Kanai

Journal of Medical Ultrasonics　43　(4)　599　2016/10/01

DOI： 10.1007/s10396-016-0739-4 　

ISSN： 1346-4523

eISSN： 1613-2254

Corticosteroids Mediate Heart Failure-Induced Depression through Reduced sigma 1-Receptor Expression Peer-reviewed

Yasuharu Shinoda, Hideaki Tagashira, Md. Shenuarin Bhuiyan, Hideyuki Hasegawa, Hiroshi Kanai, Chen Zhang, Feng Han, Kohji Fukunaga

PLOS ONE　11　(10)　1-19　2016/10

DOI： 10.1371/journal.pone.0163992 　

ISSN： 1932-6203

eISSN： 1932-6203

低出力パルス波を用いた超音波血管新生療法は、圧負荷心不全マウスモデルにおいて、心機能低下を抑制する

尾形 剛, 伊藤 健太, 進藤 智彦, 畠中 和明, 江口 久美子, 瀧 宏文, 金井 浩, 下川 宏明

日本心臓病学会学術集会抄録　64回　O-009　2016/09

Noninvasive early detection of anthracycline-induced cardiotoxicity in patients with hematologic malignancies using the phased tracking method Peer-reviewed

Yoshiko Saito, Ikuko Susukida, Yoshiro Uzuka, Hiroshi Kanai

CANCER MEDICINE　5　(9)　2276-2285　2016/09

DOI： 10.1002/cam4.813 　

ISSN： 2045-7634

eISSN： 2045-7634

Analysis and methods to test classification of normal and pathological heart sound signals Peer-reviewed

Rimuljo Hendradi, Achmad Arifin, Hiro Shida, Suhendar Gunawan, Mauridhi Hery Purnomo, Hideyuki Hasegawa, Hiroshi Kanai

Journal of Theoretical and Applied Information Technology　90　(1)　222-236　2016/08

ISSN： 1992-8645

eISSN： 1817-3195

Haloperidol aggravates transverse aortic constriction-induced heart failure via mitochondrial dysfunction Peer-reviewed

Yasuharu Shinoda, Hideaki Tagashira, Md. Shenuarin Bhuiyan, Hideyuki Hasegawa, Hiroshi Kanai, Kohji Fukunaga

JOURNAL OF PHARMACOLOGICAL SCIENCES　131　(3)　172-183　2016/07

DOI： 10.1016/j.jphs.2016.05.012 　

ISSN： 1347-8613

eISSN： 1347-8648

Accurate evaluation of viscoelasticity of radial artery wall during flow-mediated dilation in ultrasound measurement Peer-reviewed

Yasumasa Sakai, Hirofumi Taki, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　55　(7)　07KF11-1-07KF11-6　2016/07

DOI： 10.7567/JJAP.55.07KF11 　

ISSN： 0021-4922

eISSN： 1347-4065

Estimation of size of red blood cell aggregates using backscattering property of high-frequency ultrasound: In vivo evaluation Peer-reviewed

Yusaku Kurokawa, Hirofumi Taki, Satoshi Yashiro, Kan Nagasawa, Yasushi Ishigaki, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　55　(7)　07KF12-1-07KF12-8　2016/07

DOI： 10.7567/JJAP.55.07KF12 　

ISSN： 0021-4922

eISSN： 1347-4065

Three-dimensional visualization of shear wave propagation generated by dual acoustic radiation pressure Peer-reviewed

Yuta Mochizuki, Hirofumi Taki, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　55　(7)　07KF13-1-07KF13-5　2016/07

DOI： 10.7567/JJAP.55.07KF13 　

ISSN： 0021-4922

eISSN： 1347-4065

Low-Intensity Pulsed Ultrasound Enhances Angiogenesis and Ameliorates Left Ventricular Dysfunction in a Mouse Model of Acute Myocardial Infarction. International-journal Peer-reviewed

Tomohiko Shindo, Kenta Ito, Tsuyoshi Ogata, Kazuaki Hatanaka, Ryo Kurosawa, Kumiko Eguchi, Yuta Kagaya, Kenichiro Hanawa, Kentaro Aizawa, Takashi Shiroto, Sachie Kasukabe, Satoshi Miyata, Hirofumi Taki, Hideyuki Hasegawa, Hiroshi Kanai, Hiroaki Shimokawa

Arteriosclerosis, thrombosis, and vascular biology　36　(6)　1220-9　2016/06

DOI： 10.1161/ATVBAHA.115.306477 　

ISSN： 1079-5642

eISSN： 1524-4636

Phased-tracking method Peer-reviewed

MIYASHITA Susumu, MUROTSUKI Jun, MUROMOTO Jin, OZAWA Katsusuke, HASEGAWA Hideyuki, KANAI Hiroshi

Choonpa Igaku　43　(3)　483-490　2016/05

DOI： 10.3179/jjmu.JJMU.R.63 　

ISSN： 1346-1176

A Model for Measured Traveling Waves at End-Diastole in Human Heart Wall by Ultrasonic Imaging Method Peer-reviewed

Naoaki Bekki, Seine A. Shintani, Shin'ichi Ishiwata, Hiroshi Kanai

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　85　(4)　044802-1-044802-6　2016/04

DOI： 10.7566/JPSJ.85.044802 　

ISSN： 0031-9015

eISSN： 1347-4073

A Study on Automatic Heart Wall Identification in Cardiac Ultrasound Images

Takahashi Kohei, Taki Hirofumi, Kanai Hiroshi

Transactions of Japanese Society for Medical and Biological Engineering　54　(28)　S322-S322　2016

DOI： 10.11239/jsmbe.54Annual.S322 　

超音波散乱パワー特性解析による赤血球凝集体サイズの長時間測定に関する検討

榊 紘輝, 瀧 宏文, 八代 諭, 長澤 幹, 石垣 泰, 金井 浩

電気関係学会東北支部連合大会講演論文集　2016　183-183　2016

DOI： 10.11528/tsjc.2016.0_183 　

超音波計測による心筋の収縮弛緩特性評価に関する検討

小林 樹, 瀧 宏文, 金井 浩

電気関係学会東北支部連合大会講演論文集　2016　184-184　2016

DOI： 10.11528/tsjc.2016.0_184 　

ヒト頸動脈内膜側粗さの高精度超音波測定における血管壁傾斜角度の影響

藤原 晃佳, 瀧 宏文, 金井 浩

電気関係学会東北支部連合大会講演論文集　2016　177-177　2016

DOI： 10.11528/tsjc.2016.0_177 　

超音波を用いた血管径－血圧同位置計測による橈骨動脈壁粘弾性推定

工藤 広太, 酒井 康将, 瀧 宏文, 金井 浩

電気関係学会東北支部連合大会講演論文集　2016　175-175　2016

DOI： 10.11528/tsjc.2016.0_175 　

超音波計測した動脈壁振動の解析による脈波の進行波と反射波の判別

伊藤 未夏, 瀧 宏文, 金井 浩

電気関係学会東北支部連合大会講演論文集　2016　180-180　2016

DOI： 10.11528/tsjc.2016.0_180 　

組織性状推定のための双方向超音波加振による組織の振動周波数に関する検討

渡辺 諒一, 瀧 宏文, 金井 浩

電気関係学会東北支部連合大会講演論文集　2016　179-179　2016

DOI： 10.11528/tsjc.2016.0_179 　

Inclusion of Journal of Medical Ultrasonics in MEDLINE

Masatoshi Kudo, Hiroshi Kanai

Journal of medical ultrasonics (2001)　43　(1)　163　2016/01/01

DOI： 10.1007/s10396-015-0691-8 　

eISSN： 1613-2254

MINIMUM VARIANCE BEAMFORMER APPLIED TO FREQUENCY COMPONENTS OF THE RF SIGNAL OF THE EYE: ENHANCING THE IMAGE QUALITY OF CURVED INTERFACES Peer-reviewed

Hirofumi Taki, Alfred C. H. Yu, Billy Y. S. Yiu, Hiroshi Kanai

2016 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS)　2016-November　2016

DOI： 10.1109/ULTSYM.2016.7728530 　

ISSN： 1948-5719

eISSN： 1948-5727

Signal processing and extensive characterization method of heart sounds based on wavelet analysis Peer-reviewed

R. Hendradi, A. Arifin, H. Shida, S. Gunawan, M. H. Purnomo, H. Hasegawa, H. Kanai

International Review of Electrical Engineering　11　(1)　55-68　2016

DOI： 10.15866/iree.v11i1.8138 　

ISSN： 1827-6660

eISSN： 2533-2244

Effect of Element Directivity on Adaptive Beamforming Applied to High-Frame-Rate Ultrasound (vol 62, pg 511, 2015) Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　62　(11)　2024-2024　2015/11

DOI： 10.1109/TUFFC.2015.007340 　

ISSN： 0885-3010

eISSN： 1525-8955

Editor’s note

Hiroshi Kanai

Journal of Medical Ultrasonics　42　(4)　607　2015/10/01

DOI： 10.1007/s10396-015-0657-x 　

ISSN： 1346-4523

eISSN： 1613-2254

Adaptive beamformer incorporating with element directivity

Hideyuki Hasegawa, Hiroshi Kanai

2015 IEEE International Ultrasonics Symposium Proceedings　10.1109/ULTSYM.2015.0016　1-4　2015/10

DOI： 10.1109/ULTSYM.2015.0016 　

Modified transfer function with a phase rotation parameter for ultrasound longitudinal waves in cancelous bone

Hirofumi Taki, Yoshiki Nagatani, Mami Matsukawa, Katsunori Mizuno, Toru Sato, Hiroshi Kanai

The Journal of the Acoustical Society of America　138　(3)　1797-1797　2015/09

Automated detection of arterial wall boundaries based on correlation between adjacent receive scan lines for elasticity imaging Peer-reviewed

Yukiya Miyachi, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　54　(7)　07HF18-1-07HK18-11　2015/07

DOI： 10.7567/JJAP.54.07HF18 　

ISSN： 0021-4922

eISSN： 1347-4065

Echo motion imaging with adaptive clutter filter for assessment of cardiac blood flow Peer-reviewed

Hiroki Takahashi, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　54　(7)　07HF09-1-07HK09-8　2015/07

DOI： 10.7567/JJAP.54.07HF09 　

ISSN： 0021-4922

eISSN： 1347-4065

Temporal averaging of two-dimensional correlation functions for velocity vector imaging of cardiac blood flow Peer-reviewed

Hiroki Takahashi, Hideyuki Hasegawa, Hiroshi Kanai

JOURNAL OF MEDICAL ULTRASONICS　42　(3)　323-330　2015/07

DOI： 10.1007/s10396-015-0620-x 　

ISSN： 1346-4523

eISSN： 1613-2254

MEASUREMENT OF INTERNAL DIAMETER CHANGES AND PULSE WAVE VELOCITY IN FETAL DESCENDING AORTA USING THE ULTRASONIC PHASED-TRACKING METHOD IN NORMAL AND GROWTH-RESTRICTED FETUSES Peer-reviewed

Susumu Miyashita, Jun Murotsuki, Jin Muromoto, Katsusuke Ozawa, Nobuo Yaegashi, Hideyuki Hasegawa, Hiroshi Kanai

ULTRASOUND IN MEDICINE AND BIOLOGY　41　(5)　1311-1319　2015/05

DOI： 10.1016/j.ultrasmedbio.2014.12.008 　

ISSN： 0301-5629

eISSN： 1879-291X

超音波による治療技術 超音波を用いた血管新生療法 虚血性心疾患に対する新しい治療法の開発

伊藤 健太, 進藤 智彦, 塙 健一郎, 長谷川 英之, 金井 浩, 下川 宏明

超音波医学　42　(Suppl.)　S232-S232　2015/04

ISSN： 1346-1176

eISSN： 1881-9311

Effect of Element Directivity on Adaptive Beamforming Applied to High-Frame-Rate Ultrasound Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　62　(3)　511-523　2015/03

DOI： 10.1109/TUFFC.2015.006973 　

ISSN： 0885-3010

eISSN： 1525-8955

心筋虚血部同定のための心筋収縮応答伝播の可視化

松野 雄也, 瀧 宏文, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2015　227-227　2015

DOI： 10.11528/tsjc.2015.0_227 　

フリーハンド走査による超音波3次元イメージングのための探触子位置推定に関する研究

小野寺 絃, 瀧 宏文, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2015　228-228　2015

DOI： 10.11528/tsjc.2015.0_228 　

Measurement of Cardiovascular Dynamics by Means of High Frame Rate Ultrasound

HASEGAWA HIDEYUKI, KANAI HIROSHI

Transactions of Japanese Society for Medical and Biological Engineering　53　S155_01-S155_01　2015

DOI： 10.11239/jsmbe.53.S155_01 　

Assessing Fetal Cardiac Function by Measuring Myocardial Radial Velocity Using the Phased-Tracking Method Peer-reviewed

Katsusuke Ozawa, Jun Murotsuki, Susumu Miyashita, Jin Muromoto, Hideyuki Hasegawa, Hiroshi Kanai, Nobuo Yaegashi

FETAL DIAGNOSIS AND THERAPY　38　(2)　126-134　2015

DOI： 10.1159/000371514 　

ISSN： 1015-3837

eISSN： 1421-9964

Non-uniform distribution of the contraction/extension (C-E) in the left ventricular myocardium related to the myocardial function Peer-reviewed

Motonao Tanaka, Tsuguya Sakamoto, Yoshiaki Katahira, Haruna Tabuchi, Hiroyuki Nakajima, Takafumi Kurokawa, Hiroshi Kanai, Hideyuki Hasegawa, Shigeo Ohtsuki

JOURNAL OF CARDIOLOGY　64　(5-6)　401-408　2014/11

DOI： 10.1016/j.jjcc.2014.02.024 　

ISSN： 0914-5087

eISSN： 1876-4738

Effect of Subaperture Beamforming on Phase Coherence Imaging Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　61　(11)　1779-1790　2014/11

DOI： 10.1109/TUFFC.2014.006365 　

ISSN： 0885-3010

eISSN： 1525-8955

In vitro experiment using porcine artery for evaluation of ultrasonic measurement of arterial luminal surface profile Peer-reviewed

Yoshifumi Nagai, Magnus Cinthio, Hideyuki Hasegawa, Martin Bengtsson, Mikael Evander, John Albinsson, Hiroshi Kanai

JOURNAL OF MEDICAL ULTRASONICS　41　(4)　431-437　2014/10

DOI： 10.1007/s10396-014-0541-0 　

ISSN： 1346-4523

eISSN： 1613-2254

Intraventricular Blood Flow Vector and Streamline Imaging Using High Frame Rate Cardiac Ultrasound

Hiroki Takahashi, Hideyuki Hasegawa, Hiroshi Kanai

2014 IEEE International Ultrasonics Symposium Proceedings　341-344　2014/09

DOI： 10.1109/ULTSYM.2014.0084 　

Phase Coherence Factor with Sub-Aperture Beamforming

Hideyuki Hasegawa, Hiroshi Kanai

2014 IEEE International Ultrasonics Symposium Proceedings　539-542　2014/09

DOI： 10.1109/ULTSYM.2014.0133 　

High frame rate ultrasonic imaging for measurement of tissue dynamics Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

Transactions of Japanese Society for Medical and Biological Engineering　52　1-SY-2　2014/08/17

DOI： 10.11239/jsmbe.52.SY-1 　

ISSN： 1347-443X 1881-4379

Low-Intensity Pulsed Ultrasound Induces Angiogenesis and Ameliorates Left Ventricular Dysfunction in a Porcine Model of Chronic Myocardial Ischemia Peer-reviewed

Kenichiro Hanawa, Kenta Ito, Kentaro Aizawa, Tomohiko Shindo, Kensuke Nishimiya, Yuhi Hasebe, Ryuji Tuburaya, Hideyuki Hasegawa, Satoshi Yasuda, Hiroshi Kanai, Hiroaki Shimokawa

PLOS ONE　9　(8)　e104863　2014/08

DOI： 10.1371/journal.pone.0104863 　

ISSN： 1932-6203

Ultrasonic visualization of propagation of myocardial vibration driven by electrical excitation of myocardium of rat in ex vivo experiment Peer-reviewed

Yuta Fujita, Hideaki Tagashira, Hideyuki Hasegawa, Kohji Fukunaga, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　53　(7)　07KF25-1-07KF25-7　2014/07

DOI： 10.7567/JJAP.53.07KF25 　

ISSN： 0021-4922

eISSN： 1347-4065

Comparison of spatial resolutions of parallel beamforming and diffraction tomography in high frame rate echocardiography Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　53　(7)　07KF02-1-07KF02-3　2014/07

DOI： 10.7567/JJAP.53.07KF02 　

ISSN： 0021-4922

eISSN： 1347-4065

Improvement of accuracy in ultrasonic measurement of luminal surface roughness of carotid arterial wall by deconvolution filtering Peer-reviewed

Yoshifumi Nagai, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　53　(7)　07KF19-1-07KF19-9　2014/07

DOI： 10.7567/JJAP.53.07KF19 　

ISSN： 0021-4922

eISSN： 1347-4065

Optimization of feature extraction for automated identification of heart wall regions in different cross sections Peer-reviewed

Kohei Nakahara, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　53　(7)　07KF09-1-07KF09-9　2014/07

DOI： 10.7567/JJAP.53.07KF09 　

ISSN： 0021-4922

eISSN： 1347-4065

Correction of change in propagation time delay of pulse wave during flow-mediated dilation in ultrasonic measurement of arterial wall viscoelasticity Peer-reviewed

Mitsuki Sato, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　53　(7)　07KF03-1-07KF03-6　2014/07

DOI： 10.7567/JJAP.53.07KF03 　

ISSN： 0021-4922

eISSN： 1347-4065

Measurement of shear viscoelasticity using dual acoustic radiation pressure induced by continuous-wave ultrasounds Peer-reviewed

Kaori Tachi, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　53　(7)　07KF17-1-07KF17-6　2014/07

DOI： 10.7567/JJAP.53.07KF17 　

ISSN： 0021-4922

eISSN： 1347-4065

Echo speckle imaging of blood particles with high-frame-rate echocardiography Peer-reviewed

Hiroki Takahashi, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　53　(7)　07KF08-1-07KF08-7　2014/07

DOI： 10.7567/JJAP.53.07KF08 　

ISSN： 0021-4922

eISSN： 1347-4065

Improvement of myocardial displacement estimation using subkernels for cross correlation between ultrasonic RF echoes Peer-reviewed

Dai Asari, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　53　(7)　07KF21-1-07KF21-7　2014/07

DOI： 10.7567/JJAP.53.07KF21 　

ISSN： 0021-4922

eISSN： 1347-4065

Expanding aliasing limit in measurement of tissue velocity using autocorrelation method Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

JOURNAL OF MEDICAL ULTRASONICS　41　(2)　151-153　2014/04

DOI： 10.1007/s10396-013-0496-6 　

ISSN： 1346-4523

eISSN： 1613-2254

A new concept of the contraction-extension property of the left ventricular myocardium Peer-reviewed

Motonao Tanaka, Tsuguya Sakamoto, Shigeo Sugawara, Yoshiaki Katahira, Haruna Tabuchi, Hiroyuki Nakajima, Takafumi Kurokawa, Hiroshi Kanai, Hideyuki Hasegawa, Shigeo Ohtsuki

JOURNAL OF CARDIOLOGY　63　(3-4)　313-319　2014/03

DOI： 10.1016/j.jjcc.2013.09.009 　

ISSN： 0914-5087

eISSN： 1876-4738

High-frame-rate echocardiography using diverging transmit beams and parallel receive beamforming Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai, Hiroshi Kanai, Hideyuki Hasegawa

choonpa igaku　41　(3)　375-388　2014/02/01

DOI： 10.3179/jjmu.JJMU.K.2 　

ISSN： 1346-1176

"Sonocytometry" - Novel Diagnostic Method of Ultrasonic Differentiation of Cells in Blood Flow Peer-reviewed

Yosuke Komatsu, Ryo Nagaoka, Ken-ichi Funamoto, Toshiyuki Hayase, Nobuo Masauzi, Hiroshi Kanai, Yoshifumi Saijo

2014 36TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC)　2761-2764　2014

DOI： 10.1109/EMBC.2014.6944195 　

ISSN： 1557-170X

Studies on the basic technology of "Sono-cytometry"

Komatsu Yosuke, Nagaoka Ryo, Funamoto Kenichi, Hayase Toshiyuki, Masauzi Nobuo, Kanai Hiroshi, Saijo Yoshifumi

BME　52　O-351-O-352　2014

DOI： 10.11239/jsmbe.52.O-351 　

ISSN： 1347-443X

Low-Intensity Pulsed Ultrasound Enhances Angiogenesis and Ameliorates Left Ventricular Dysfunction in a Porcine Model of Chronic Myocardial Ischemia Peer-reviewed

Kenichiro Hanawa, Kenta Ito, Kentaro Aizawa, Tomohiko Shindo, Kensuke Nishimiya, Yuhi Hasehe, Ryuji Tuburaya, Hideyuki Hasegawa, Satoshi Yasuda, Hiroshi Kanai, Hiroaki Shimokawa

CIRCULATION　128　(22)　2013/11

ISSN： 0009-7322

eISSN： 1524-4539

左室心筋内の収縮・伸展の不均一分布の特徴と心筋機能 心エコー図位相差トラッキング法を用いた解析

田渕 晴名, 長谷川 薫, 河部 周子, 菊田 寿, 関口 祐子, 山家 実, 山中 多聞, 中野 陽夫, 片平 美明, 田中 元直, 中島 博行, 黒川 貴史, 坂本 二哉, 長谷川 英之, 金井 浩, 西條 芳文

日本心臓病学会誌　8　(Suppl.I)　477-477　2013/09

ISSN： 1882-4501

High Frame Rate Ultrasonic Imaging of the Heart by Placing Virtual Point Source in Front of Array

Hideyuki Hasegawa, Yuji Sato, Hiroshi Kanai

2013 Joint UFFC, EFTF and PFM Symposium Proceedings　581-584　2013/07

DOI： 10.1109/ULTSYM.2013.0150 　

Improvement of Axial Resolution of Ultrasound Image Using Wiener Filter for Measurement of Intima-Media Thickness of Carotid Artery

Hideyuki Hasegawa, Sho Kageyama, Hiroshi Kanai

2013 Joint UFFC, EFTF and PFM Symposium Proceedings　1232-1235　2013/07

DOI： 10.1109/ULTSYM.2013.0315 　

Displacement Estimation of Arterial Wall from Multiple Directions by Utilizing Diverging Transmit Beam for Synthetic Aperture Ultrasound Imaging

Hideyuki Hasegawa, Hiroshi Kanai

2013 Joint UFFC, EFTF and PFM Symposium Proceedings　1537-1540　2013/07

DOI： 10.1109/ULTSYM.2013.0391 　

Speckle-Enhanced Cardiac Blood Flow Imaging with High Frame Rate Ultrasound

Hiroki Takahashi, Hideyuki Hasegawa, Hiroshi Kanai

2013 Joint UFFC, EFTF and PFM Symposium Proceedings　2030-2033　2013/07

DOI： 10.1109/ULTSYM.2013.0518 　

Detection of Arterial Wall Boundaries Using an Echo Model Composed of Multiple Ultrasonic Pulses Peer-reviewed

Nabilah Ibrahim, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　52　(7)　07HF03-1-07HF03-10　2013/07

DOI： 10.7567/JJAP.52.07HF03 　

ISSN： 0021-4922

eISSN： 1347-4065

Increasing bandwidth of ultrasound radio frequency echoes using wiener filter for improvement of accuracy in measurement of intima-media thickness Peer-reviewed

Sho Kageyama, Hideyuki Hasegawa, Hiroshi Kanai

Japanese Journal of Applied Physics　52　(7)　07HF04-1-07HF04-7　2013/07

DOI： 10.7567/JJAP.52.07HF04 　

ISSN： 0021-4922 1347-4065

Improvement of Automated Identification of the Heart Wall in Echocardiography by Suppressing Clutter Component Peer-reviewed

Hiroki Takahashi, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　52　(7)　07HF017-1-07HF017-7　2013/07

DOI： 10.7567/JJAP.52.07HF17 　

ISSN： 0021-4922

eISSN： 1347-4065

Stimulation of σ1-receptor restores abnormal mitochondrial Ca2 + mobilization and ATP production following cardiac hypertrophy Peer-reviewed

Hideaki Tagashira, Chen Zhang, Ying-Mei Lu, Hideyuki Hasegawa, Hiroshi Kanai, Feng Han, Kohji Fukunaga

Biochimica et Biophysica Acta - General Subjects　1830　(4)　3082-3094　2013/04

DOI： 10.1016/j.bbagen.2012.12.029 　

ISSN： 0304-4165 1872-8006

Measurement of regional pulse wave velocity using very high frame rate ultrasound Peer-reviewed

Hideyuki Hasegawa, Kazue Hongo, Hiroshi Kanai

Journal of Medical Ultrasonics　40　(2)　91-98　2013/04

DOI： 10.1007/s10396-012-0400-9 　

ISSN： 1346-4523 1613-2254

Cultivation of Unlimited Intellectual Potential Inherent in Human Beings

KANAI Hiroshi

Journal of Jsee　61　(6)　6_2-6_2　2013

DOI： 10.4307/jsee.61.6_2 　

ISSN： 1341-2167

Arterial Wall Elasticity Measured Using the Phased Tracking Method and Atherosclerotic Risk Factors in Patients with Type 2 Diabetes Peer-reviewed

Michiaki Miyamoto, Kazuhiko Kotani, Kenta Okada, Akihiko Ando, Hideyuki Hasegawa, Hiroshi Kanai, Shun Ishibashi, Toshiyuki Yamada, Nobuyuki Taniguchi

JOURNAL OF ATHEROSCLEROSIS AND THROMBOSIS　20　(8)　678-687　2013

DOI： 10.5551/jat.16220 　

ISSN： 1340-3478

eISSN： 1880-3873

Suppression of Grating Lobe Artifacts in Ultrasound Images Formed from Diverging Transmitting Beams by Modulation of Receiving Beams Peer-reviewed

Akinlolu Ponnle, Hideyuki Hasegawa, Hiroshi Kanai

Ultrasound in Medicine and Biology　39　(4)　681-691　2013

DOI： 10.1016/j.ultrasmedbio.2012.10.019 　

ISSN： 1879-291X 0301-5629

High-Frame-Rate Echocardiography With Reduced Sidelobe Level Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　59　(11)　2569-2575　2012/11

DOI： 10.1109/TUFFC.2012.2490 　

ISSN： 0885-3010

Sidelobe Reduction in High Frame Rate Echocardiography

Hideyuki Hasegawa, Hiroshi Kanai

2012 IEEE International Ultrasonics Symposium Proceedings　1267-1270　2012/10

DOI： 10.1109/ULTSYM.2012.0316 　

Measurements of Regional Propagation Velocities of Forward and Reflected Pulse Waves by High Frame Rate Ultrasonic Imaging

Hideyuki Hasegawa, Hiroshi Kanai

2012 IEEE International Ultrasonics Symposium Proceedings　2544-2547　2012/10

DOI： 10.1109/ULTSYM.2012.0637 　

Measurement of displacement and strain in biological tissue generated by ultrasonic dual acoustic radiation force Peer-reviewed

Jun Yamaguchi, Hideyuki Hasegawa, Hiroshi Kanai

JOURNAL OF MEDICAL ULTRASONICS　39　(4)　279-281　2012/10

DOI： 10.1007/s10396-012-0372-9 　

ISSN： 1346-4523

Bekki-Nozaki Hole in Traveling Excited Waves on Human Cardiac Interventricular Septum Peer-reviewed

Naoaki Bekki, Yoshifumi Harada, Hiroshi Kanai

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　81　(7)　073801-1-073801-4　2012/07

DOI： 10.1143/JPSJ.81.073801 　

ISSN： 0031-9015

Evaluation of Rate of Change in Thickness of Heart Wall by Measuring Time Variation of Ultrasonic Integrated Backscatter during a Cardiac Cycle Peer-reviewed

Hiro Shida, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　51　(7)　07GF05-1-07GF05-7　2012/07

DOI： 10.1143/JJAP.51.07GF05 　

ISSN： 0021-4922

Optimization of Correlation Kernel Size for Accurate Estimation of Myocardial Contraction and Relaxation Peer-reviewed

Yasunori Honjo, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　51　(7)　07GF06-1-07GF06-12　2012/07

DOI： 10.1143/JJAP.51.07GF06 　

ISSN： 0021-4922

Detection of Boundaries of Carotid Arterial Wall by Analyzing Ultrasonic RF Signals Peer-reviewed

Nabilah Ibrahim, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　51　(7)　07GF07-1-07GF07-8　2012/07

DOI： 10.1143/JJAP.51.07GF07 　

ISSN： 0021-4922

Accurate Estimation of Carotid Luminal Surface Roughness Using Ultrasonic Radio-Frequency Echo Peer-reviewed

Kosuke Kitamura, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　51　(7)　07GF08-1-07GF08-12　2012/07

DOI： 10.1143/JJAP.51.07GF08 　

ISSN： 0021-4922

eISSN： 1347-4065

Improvement in Accuracy of Ultrasonic Measurement of Transient Change in Viscoelasticity of Radial Arterial Wall Due to Flow-Mediated Dilation by Adaptive Low-Pass Filtering Peer-reviewed

Kazuki Ikeshita, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　51　(7)　07GF14-1-07GF14-7　2012/07

DOI： 10.1143/JJAP.51.07GF14 　

ISSN： 0021-4922

eISSN： 1347-4065

Estimation of Scatterer Diameter Using Characteristic of Ultrasonic Backscattering for Quantitative Assesment of Red Blood Cell Aggregation Peer-reviewed

Ryutaro Seki, Hideyuki Hasegawa, Hiroshi Kanai

6th International Symposium on Medical, Bio- and Nano-Electronics　24-25　2012/03/08

Accurate Boundary Detection of Posterior Carotid Arterial Wall Using the Template Matching Method for Measurement of Intima-Media Thickness Peer-reviewed

Nabilah Ibrahim, Hideyuki Hasegawa, Hiroshi Kanai

6th International Symposium on Medical, Bio- and Nano-Electronics　26-27　2012/03/08

Suppression of Point Spread Function from Ultrasonic Echoes for Speckle Reduction in the Ultrasonography Peer-reviewed

Sho Kageyama, Hideyuki Hasegawa, Hiroshi Kanai

6th International Symposium on Medical, Bio- and Nano-Electronics　28-29　2012/03/08

Accurate Ultrasonic Measurement of Surface Roughness of Carotid Arterial Wall Using Arterial Longitudinal Displacement Peer-reviewed

Yoshifumi Nagai, Hideyuki Hasegawa, Hiroshi Kanai

6th International Symposium on Medical, Bio- and Nano-Electronics　30-31　2012/03/08

High Frame Rate Ultrasonography for Detailed Analysis of Cardiovascular Dynamics Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

18th International Symposium on Medical, Bio- and Nano-Electronics　33-36　2012/03/08

高時間分解能計測における心筋収縮弛緩特性の相関窓幅の検討

浅利 大, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2012　181-181　2012

DOI： 10.11528/tsjc.2012.0_181 　

血流依存性血管弛緩反応時の橈骨動脈壁における粘弾性特性変化の超音波計測に関する研究

佐藤 光貴, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2012　179-179　2012

DOI： 10.11528/tsjc.2012.0_179 　

音響放射圧の局所連続加振による生体軟組織内部のずり弾性率の推定

舘 佳織, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2012　180-180　2012

DOI： 10.11528/tsjc.2012.0_180 　

Automated Identification of the Heart Wall in Echocardiographic Images Throughout a Cardiac Cycle Peer-reviewed

Hiroki Takahashi, Hideyuki Hasegawa, Hiroshi Kanai

2012 PROCEEDINGS OF SICE ANNUAL CONFERENCE (SICE)　1171-1176　2012

Ultrasonic Actuation of Biological Tissues Using Dual Acoustic Radiation Force for Assessment of Elastic Properties Peer-reviewed

Hideyuki Hasegawa, Jun Yamaguchi, Hiroshi Kanai

NONLINEAR ACOUSTICS: STATE-OF-THE-ART AND PERSPECTIVES (ISNA 19)　1474　252-255　2012

DOI： 10.1063/1.4749343 　

ISSN： 0094-243X

Physiological basis and clinical significance of left ventricular suction studied using echo-dynamography Peer-reviewed

Motonao Tanaka, Tsuguya Sakamoto, Shigeo Sugawara, Hiroyuki Nakajima, Takeyoshi Kameyama, Haruna Tabuchi, Yoshiaki Katahira, Shigeo Ohtsuki, Hiroshi Kanai

JOURNAL OF CARDIOLOGY　58　(3)　232-244　2011/11

DOI： 10.1016/j.jjcc.2011.06.011 　

ISSN： 0914-5087

High Frame Rate Tracking of Heart Wall Motion for Two-Dimensional Measurement of Myocardial Contraction and Relaxation Peer-reviewed

HONJO Yasunori, HASEGAWA Hideyuki, KANAI Hiroshi

IEICE　94　(11)　826-835　2011/11/01

ISSN： 0913-5707

High Frame Rate Echocardiography Using Diverging Beams

Hideyuki Hasegawa, Hiroshi Kanai

2011 IEEE International Ultrasonics Symposium Proceedings　132-135　2011/10

DOI： 10.1109/ULTSYM.2011.0033 　

Carotid Artery Elasticity Using The Phased-Tracking Method is Associated with Cardiac Diastolic Dysfunction in Subjects with Acute Myocardial Infarction Peer-reviewed

Yukiyo Ogata, Yukiya Miyachi, Hideyuki Hasegawa, Hiroshi Kanai, Koichi Itoh, Kazuomi Kario, Nobuyuki Taniguchi

Proceedings of 13th World Congress of Ultrasound in Medicine and Biology　2011/08/26

Fuzzy FES controller using cycle-to-cycle control for repetitive movement training in motor rehabilitation. Experimental tests with wireless system Peer-reviewed

Naoto Miura, Takashi Watanabe, Satoru Sugimoto, Kazunori Seki, Hiroshi Kanai

Journal of Medical Engineering and Technology　35　(6-7)　314-321　2011/08

DOI： 10.3109/03091902.2011.591480 　

ISSN： 0309-1902 1464-522X

Estimation of Scatterer Diameter by Normalized Power Spectrum of High-FrequencyUltrasonic RF Echo for Assessment of Red Blood Cell Aggregation

Taku Fukushima, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　50　(7)　2011/07

DOI： 10.1143/JJAP.50.07HF02 　

ISSN： 0021-4922

eISSN： 1347-4065

High-frame-rate echocardiography using diverging transmit beams and parallel receive beamforming Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

JOURNAL OF MEDICAL ULTRASONICS　38　(3)　129-140　2011/07

DOI： 10.1007/s10396-011-0304-0 　

ISSN： 1346-4523

Estimation of Scatterer Diameter by Normalized Power Spectrum of High-FrequencyUltrasonic RF Echo for Assessment of Red Blood Cell Aggregation Peer-reviewed

Taku Fukushima, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　50　(7)　07HF02-1-07HF02-8　2011/07

DOI： 10.1143/JJAP.50.07HF02 　

ISSN： 0021-4922

eISSN： 1347-4065

Multi Element Diverging Beam from a Linear Array Transducer for Transverse Cross Sectional Imaging of Carotid Artery: Simulations and Phantom Vessel Validation Peer-reviewed

Akinlolu Ponnle, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　50　(7)　07HF05-1-07HF05-10　2011/07

DOI： 10.1143/JJAP.50.07HF05 　

ISSN： 0021-4922

Noninvasive Measurement of Transient Change in Viscoelasticity Due to Flow-Mediated Dilation Using Automated Detection of Arterial Wall Boundaries Peer-reviewed

Kazuki Ikeshita, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　50　(7)　07HF08-1-07HF08-7　2011/07

DOI： 10.1143/JJAP.50.07HF08 　

ISSN： 0021-4922

Estimation of the Elevational Distance between Image Planes by Analysis of Ultrasonic Echoes from Point Scatterers Peer-reviewed

Atsuhiro Suzuki, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　50　(7)　07HF09-1-07HF09-7　2011/07

DOI： 10.1143/JJAP.50.07HF09 　

ISSN： 0021-4922

Automated Identification of the Heart Wall Throughout the Entire Cardiac Cycle Using Optimal Cardiac Phase for Extracted Features Peer-reviewed

Hiroki Takahashi, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　50　(7)　07HF16-1-07HF16-9　2011/07

DOI： 10.1143/JJAP.50.07HF16 　

ISSN： 0021-4922

Minute Mechanical-Excitation Wave-Front Propagation in Human Myocardial Tissue Peer-reviewed

Hiroshi Kanai, Motonao Tanaka

JAPANESE JOURNAL OF APPLIED PHYSICS　50　(7)　07HA01-1-07HA01-7　2011/07

DOI： 10.1143/JJAP.50.07HA01 　

ISSN： 0021-4922

High Frame Rate Cardiovascular Imaging Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

The Artimino Conference on Medical Ultrasound Technology　2011/06/26

Wearable Blood Pressure Monitoring System Using Ultrasound Measurement Peer-reviewed

Taichi Suzuki, Keisuke Nishiyachi, Eriko Mase, Katsuhiro Fujita, Ken Maehira, Yasutomo Oohashi, Tadao Matsunaga, Hideyuki Hasegawa, Koh Fuwa, Junpei Yuyama, Hiroshi Kanai, Yoichi Haga

The 16th International Conference on Solid-State Sensors, Actuators and Microsystems　2011/06/05

Initial Phantom Validation of Minute Roughness Measurement Using Phase Tracking for Arterial Wall Diagnosis Non-Invasively In Vivo Peer-reviewed

Magnus Cinthio, Hideyuki Hasegawa, Hiroshi Kanai

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　58　(4)　853-857　2011/04

DOI： 10.1109/TUFFC.2011.1879 　

ISSN： 0885-3010

Visualization in Propagation of Electric Excitation in Human Heart Peer-reviewed

Hiroshi Kanai

16th International Symposium of 2007 Tohoku University Global COE Program Global Nano-Biomedical Engineering Education and Research Network Centre　2011/03/22

LPUS: Labile Platform for Ultrasound System Peer-reviewed

Takaya Uno, Hiroshi Kanai

16th International Symposium of 2007 Tohoku University Global COE Program Global Nano-Biomedical Engineering Education and Research Network Centre　2011/03/22

Improved Imaging of the Carotid Artery in the Short-Axis Plane by Using Multi-Element Diverging Beam from a Linear Array Transducer Peer-reviewed

Akinlolu Ponnle, Hideyuki Hasegawa, Hiroshi Kanai

16th International Symposium of 2007 Tohoku University Global COE Program Global Nano-Biomedical Engineering Education and Research Network Centre　2011/03/22

超音波を用いた3次元データ再構築のための心電同期の精度向上の検討

渡辺 博文, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2011　237-237　2011

DOI： 10.11528/tsjc.2011.0_237 　

高周波超音波による生体組織の性状診断を目指した散乱特性の計測

鈴木 彩美, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2011　194-194　2011

DOI： 10.11528/tsjc.2011.0_194 　

最適心時相における複数特徴量の抽出による心臓壁領域同定の自動化

中原 紘平, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2011　192-192　2011

DOI： 10.11528/tsjc.2011.0_192 　

超音波断層画像からのスペックル雑音除去のための基礎的検討

影山 奨, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2011　189-189　2011

DOI： 10.11528/tsjc.2011.0_189 　

Modeling of Ultrasonic Echo Waveform of Arterial Wall for Accurate Boundary Detection

Nabilahbinti Ibrahim

Tohoku-Section Joint Convention Record of Institutes of Electrical and Information Engineers, Japan　2011　190-190　2011

DOI： 10.11528/tsjc.2011.0_190 　

高時間分解能超音波計測による動脈壁微小振動速度波形の位相伝播の可視化

本江 和恵, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2011　191-191　2011

DOI： 10.11528/tsjc.2011.0_191 　

40MHz超音波散乱波の周波数特性による静脈血赤血球凝集度の定量的評価

関 竜太郎, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2011　193-193　2011

DOI： 10.11528/tsjc.2011.0_193 　

An impact of ezetimibe on the carotid arterial wall elasticity in patients with hyper-LDL-cholesterolemia

Yamagishi, T., Omata, K., Hasegawa, H., Kanai, H.

Japanese Pharmacology and Therapeutics　39　(3)　2011

Basic Study on Accurate Estimation of Surface Roughness Using Ultrasonic RF Echo for Application to Luminal Surface of Arterial Wall Peer-reviewed

Kosuke Kitamura, Hideyuki Hasegawa, Hiroshi Kanai

Proceedings of 4th East Asian Pacific Student Workshop on Nano-Biomedeical Engineering　36-37　2010/12/15

sigma(1)-Receptor stimulation with fluvoxamine ameliorates transverse aortic constriction-induced myocardial hypertrophy and dysfunction in mice Peer-reviewed

Hideaki Tagashira, Shenuarin Bhuiyan, Norifumi Shioda, Hideyuki Hasegawa, Hiroshi Kanai, Kohji Fukunaga

AMERICAN JOURNAL OF PHYSIOLOGY-HEART AND CIRCULATORY PHYSIOLOGY　299　(5)　H1535-H1545　2010/11

DOI： 10.1152/ajpheart.00198.2010 　

ISSN： 0363-6135

eISSN： 1522-1539

Very high frame rate imaging of cardiovascular tissues

Hideyuki Hasegawa, Hiroshi Kanai

7th International confernce on Ultrasonic Biomedical Microscanning　2010/09/13

Two-dimensional ultrasonic measurement of heart wall motion at hightemporal and spatial resolutions

Yasunori Honjo, Hideyuki Hasegawa, Hiroshi Kanai

7th International confernce on Ultrasonic Biomedical Microscanning　2010/09/13

Flow-mediated change in viscoelastic property of radial arterial wall byaccurate detection of arterial wall boundaries

Kazuki Ikeshita, Hideyuki Hasegawa, Hiroshi Kanai

7th International confernce on Ultrasonic Biomedical Microscanning　2010/09/13

Spiral systolic blood flow in the ascending aorta and aortic arch analyzed by echo-dynamography Peer-reviewed

Motonao Tanaka, Tsuguya Sakamoto, Shigeo Sugawara, Hiroyuki Nakajima, Takeyoshi Kameyama, Yoshiaki Katahira, Shigeo Ohtsuki, Hiroshi Kanai

JOURNAL OF CARDIOLOGY　56　(1)　97-110　2010/07

DOI： 10.1016/j.jjcc.2010.03.008 　

ISSN： 0914-5087

Evaluation of Transient Change in Viscoelasticity of Arterial Wall during Flow-Mediated Dilation Peer-reviewed

Hiroshi Kanai, Hideyuki Hasegawa, Kazuki Ikeshita

12th International Symposium of 2007 Tohoku University Global COE Program Global Nano-Biomedical Engineering Education and Research Network Centre　63-66　2010/03/26

Artery-Wall Elasticity Imaging with Ultrasound

Hideyuki Hasegawa, Hiroshi Kanai

5th International Symposium on Medical, Bio- and Nano-Electronics in Sendai　29-34　2010/02/24

Automated Identification of the Heart Wall Region on Echocardiogram Using Classification of RF Signals

Hiroki Takahashi, Hideyuki Hasegawa, Hiroshi Kanai

5th International Symposium on Medical, Bio- and Nano-Electronics in Sendai　141-142　2010/02/24

Estimation of the Distance between Two 2-D Ultrasonic Images by Evaluating Correlation of RF Echoes

Atsuhiro Suzuki, Hideyuki Hasegawa, Hiroshi Kanai

5th International Symposium on Medical, Bio- and Nano-Electronics in Sendai　143-144　2010/02/24

Modeling the Mechanical System of Object for Contactless Probing of Its Viscoelasticity

Kazuhiro Nakazawa, Hideyuki Hasegawa, Hiroshi Kanai

5th International Symposium on Medical, Bio- and Nano-Electronics in Sendai　145-146　2010/02/24

Multi Angle Receive Beamforming for Compound Imaging with Improved Frame Rate

Akinlolu Ponnle, Hideyuki Hasegawa, Hiroshi Kanai

5th International Symposium on Medical, Bio- and Nano-Electronics in Sendai　147-148　2010/02/24

Imaging of Vibration Propagating on Heart Wall

Hiroshi Kanai

12th International Symposium on Advanced Biomedical Ultrasound　2010/02/23

Vascular Elasticity Imaging with Transcutaneous Ultrasound

Hideyuki Hasegawa, Hiroshi Kanai

12th International Symposium on Advanced Biomedical Ultrasound　2010/02/23

A basic study on surface electrical stimulation system for motor rehabilitation

Naoto Miura, Satoru Sugimoto, Takashi Watanabe, Kazunori Seki, Hiroshi Kanai

Proc. of the 5th International Symposium on Medical, Bio- and Nano-Electronics　251-252　2010/02

Inhibition of Dystrophin Breakdown and Endothelial Nitric-Oxide Synthase Uncoupling Accounts for Cytoprotection by 3-[2-[4-(3-Chloro-2-methylphenyl)-1-piperazinyl]ethyl]-5,6-dimethoxy-1-(4-imidazolylmethyl)-1H-indazole Dihydrochloride 3.5 Hydrate (DY-9760e) in Left Ventricular Hypertrophied Mice Peer-reviewed

Feng Han, Ying-Mei Lu, Hideyuki Hasegawa, Hiroshi Kanai, Erika Hachimura, Yasufumi Shirasaki, Kohji Fukunaga

JOURNAL OF PHARMACOLOGY AND EXPERIMENTAL THERAPEUTICS　332　(2)　421-428　2010/02

DOI： 10.1124/jpet.109.161646 　

ISSN： 0022-3565

Line-Focus Array Transducers for Effective Actuation of Tissue

Tomotaka Sawada, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　49　(7)　2010

DOI： 10.1143/JJAP.49.07HF10 　

ISSN： 0021-4922

In vivo measurements of change in viscoelasticity of arterial wall during the flow-mediated dilation Invited Peer-reviewed

Hiroshi Kanai, Hideyuki Hasegawa, Kazuki Ikeshita

ASME International Mechanical Engineering Congress and Exposition, Proceedings　2　515-521　2010

DOI： 10.1115/IMECE2009-13263 　

Line-Focus Array Transducers for Effective Actuation of Tissue Peer-reviewed

Tomotaka Sawada, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　49　(7)　07HF10-1-07HF10-6　2010

DOI： 10.1143/JJAP.49.07HF10 　

ISSN： 0021-4922

Two-Dimensional Tracking of Heart Wall for Detailed Analysis of Heart Function at High Temporal and Spatial Resolutions Peer-reviewed

Yasunori Honjo, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　49　(7)　07HF14-1-07HF14-9　2010

DOI： 10.1143/JJAP.49.07HF14 　

ISSN： 0021-4922

Blood flow stream line imaging by direct visualization of echo trajectories Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

Proceedings - IEEE Ultrasonics Symposium　1319-1322　2010

DOI： 10.1109/ULTSYM.2010.5935636 　

ISSN： 1051-0117

Visualization in propagation of electric excitation in human heart Peer-reviewed

Hiroshi Kanai

Proceedings - IEEE Ultrasonics Symposium　694-697　2010

DOI： 10.1109/ULTSYM.2010.5935547 　

ISSN： 1051-0117

Carotid Artery Elasticity Using the Phased-Tracking Method Is Useful as a Risk Factor for Coronary Artery Disease Peer-reviewed

Yukiyo Ogata, Yukiya Miyachi, Kazushi Manaka, Hideyuki Hasegawa, Hiroshi Kanai, Koichi Itoh

EUROSON 2009　2009/12/06

Identification of heart wall based on coherence among ultrasonic RF echoes Peer-reviewed

TAKAHASHI Hiroki, HASEGAWA Hideyuki, KANAI Hiroshi

Jpn J Med Ultrasonics　36　(6)　679-681　2009/11/15

DOI： 10.3179/jjmu.36.679 　

ISSN： 1346-1176

Impact of lifestyle-related diseases on carotid arterial wall elasticity as evaluated by an ultrasonic phased-tracking method in Japanese subjects. Peer-reviewed

Yamagishi, T., Kato, M., Koiwa, Y., Hasegawa, H., Kanai, H.

Journal of atherosclerosis and thrombosis　16　(6)　782-791　2009/11

DOI： 10.5551/jat.760 　

Phase-Sensitive Lateral Motion Estimator for Measurement of Artery-Wall Displacement-Phantom Study Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　56　(11)　2450-2462　2009/11

DOI： 10.1109/TUFFC.2009.1332 　

ISSN： 0885-3010

Anisotropy in Three-Dimensional Propagation of Electric Excitation in Human Heart Peer-reviewed

Hiroshi Kanai

Proceedings of IEEE 2009 International Ultrasonics Symposium Proceedings　2009/09/20

Preliminary Test of Muscle Fatigue Evaluation Using M-Wave for Motor Rehabilitation with Electrical Stimulation Peer-reviewed

N.Miura, T.Watanabe, H.Kanai

Proceedings of the 14th IFESS Annual Conference　99-101　2009/09

Relationship between upper limb peripheral artery stiffness using the radial artery and atherosclerotic parameters Peer-reviewed

Shuumarjav Uurtuya, Kazuhiko Kotani, Nobuyuki Taniguchi, Hiroaki Matsunaga, Hiroshi Kanai, Hideyuki Hasegawa, Kazuomi Kario, Shun Ishibashi, Kouichi Itoh

JOURNAL OF MEDICAL ULTRASONICS　36　(3)　129-135　2009/09

DOI： 10.1007/s10396-009-0217-3 　

ISSN： 1346-4523

Carotid arterial elasticity is a sensitive atherosclerosis value reflecting visceral fat accumulation in obese subjects Peer-reviewed

Ai Tokita, Yasushi Ishigaki, Hisashi Okimoto, Hideyuki Hasegawa, Yoshiro Koiwa, Makoto Kato, Hisamitsu Ishihara, Yoshinori Hinokio, Hideki Katagiri, Hiroshi Kanai, Yoshitomo Oka

ATHEROSCLEROSIS　206　(1)　168-172　2009/09

DOI： 10.1016/j.atherosclerosis.2009.01.046 　

ISSN： 0021-9150

Estimation of Scatterer Diameter Using Ultrasonic Backscattering Property for Assessment of Red Blood Cell Aggregation Peer-reviewed

Nobutaka Saitoh, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　48　(7)　07GJ08-1-07GJ08-5　2009/07

DOI： 10.1143/JJAP.48.07GJ08 　

ISSN： 0021-4922

eISSN： 1347-4065

Flow-Mediated Change in Viscoelastic Property of Radial Arterial Wall Measured by 22 MHz Ultrasound Peer-reviewed

Kazuki Ikeshita, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　48　(7)　07GJ10-1-07GJ10-5　2009/07

DOI： 10.1143/JJAP.48.07GJ10 　

ISSN： 0021-4922

PROPAGATION OF VIBRATION CAUSED BY ELECTRICAL EXCITATION IN THE NORMAL HUMAN HEART Peer-reviewed

Hiroshi Kanai

ULTRASOUND IN MEDICINE AND BIOLOGY　35　(6)　936-948　2009/06

DOI： 10.1016/j.ultrasmedbio.2008.12.013 　

ISSN： 0301-5629

Propagation of Electric Excitation and Vibrations in the Human Heart Peer-reviewed

Hiroshi Kanai

10th International Symposium of 2007 Tohoku Univeristy Global COE Program Global Nano-Biomedical　22-23　2009/04/16

High Frame Rate Ultrasonic Imaging of Artery-Wall Strain and Blood Flow Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

10th International Symposium of 2007 Tohoku Univeristy Global COE Program Global Nano-Biomedical　24-25　2009/04/16

Ultrasonic Visualization of Propagation of vibration caused by electrical excitation in the normal human heart

Hiroshi Kanai

9th International Symposium of 2007 Tohoku University Global COE Program　2009/03/27

Evaluation of Angular Dependency of Received Ultrasonic Echo for Estimation of Minute Surface Roughness

Takashi Konno, Hideyuki Hasegawa, Hiroshi Kanai

The 4th International Symposium on Medical, Bio- and Nano- Electronics in Sendai　2009/03/05

Measurement of Three Dimentional Strain Rate of Heart Wall at High Temporal Resolution by Rotational Probe Scanning

Junya Ohkohchi, Hideyuki Hasegawa, Hiroshi Kanai

The 4th International Symposium on Medical, Bio- and Nano- Electronics in Sendai　2009/03/05

Optimization of Kernel Size and Search Region in Evaluation of 2D Cross-Correlation Function for Measurement of Regional Myocardial Displacement

Yasunori Honjo, Hideyuki Hasegawa, Hiroshi Kanai

The 4th International Symposium on Medical, Bio- and Nano- Electronics in Sendai　2009/03/05

Estimation of Soft Tissue Viscoelasticity for Estimation of Heat Generation in Coagulation Using Prototype Ultrasonic Surgical Knife

Naoki Suzuki, Hideyuki Hasegawa, Hiroshi Kanai

The 4th International Symposium on Medical, Bio- and Nano- Electronics in Sendai　2009/03/05

Measurement of Backscattering Property of High Frequency Ultrasonic Echo for Assessment of Red Blood Cell Aggregation

Nobutaka Saitoh, Hideyuki Hasegawa, Hiroshi Kanai

The 4th International Symposium on Medical, Bio- and Nano- Electronics in Sendai　2009/03/05

High-Frequency Ultrasound-based Measurement of Transient Change in Viscoelastic Property of Radial Arterial Wall due to Flow-Mediated Dilation

Kazuki Ikeshita, Hideyuki Hasegawa, Hiroshi Kanai

The 4th International Symposium on Medical, Bio- and Nano- Electronics in Sendai　2009/03/05

DOI： 10.1115/IMECE2009-13263 　

IMAGING OF GAPS IN DIGITAL JOINTS BY MEASUREMENT OF ULTRASOUND TRANSMISSION USING A LINEAR ARRAY Peer-reviewed

Hideyuki Hasegawa, Michiko Matsuura, Hiroshi Sato, Teruko Yamamoto, Hiroshi Kanai

ULTRASOUND IN MEDICINE AND BIOLOGY　35　(3)　382-394　2009/03

DOI： 10.1016/j.ultrasmedbio.2008.09.022 　

ISSN： 0301-5629

Strain Imaging of Arterial Wall with Reduction of Effects of Variation in Center Frequency of Ultrasonic RF Echo Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

13TH INTERNATIONAL CONFERENCE ON BIOMEDICAL ENGINEERING, VOLS 1-3　23　(1-3)　2207-2210　2009

ISSN： 1680-0737

Evaluation of plaque stabilization by fluvastatin with carotid intima-medial elasticity measured by a transcutaneous ultrasonic-based tissue characterization system Peer-reviewed

Toshio Yamagishi, Makoto Kato, Yoshiro Koiwa, Ken Omata, Hideyuki Hasegawa, Hiroshi Kanai

Journal of Atherosclerosis and Thrombosis　16　(5)　662-673　2009

DOI： 10.5551/jat.1438 　

ISSN： 1880-3873 1340-3478

Lateral motion estimator for measurement of artery-wall displacement Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

Proceedings - IEEE Ultrasonics Symposium　2464-2467　2009

DOI： 10.1109/ULTSYM.2009.5441634 　

ISSN： 1051-0117

Strain Imaging of Arterial Wall with Reduction of Effects of Variation in Center Frequency of Ultrasonic RF Echo

Hideyuki Hasegawa, Hiroshi Kanai

8th International Symposium of 2007 Tohoku University Global COE Program　28-31　2008/12/05

Simultaneous Imaging of Artery-Wall Strain and Blood Flow by High Frame Rate Acquisition of RF Signals Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　55　(12)　2626-2639　2008/12

DOI： 10.1109/TUFFC.2008.978 　

ISSN： 0885-3010

Ultrasonic Imaging of 3-Dimensional Propagation of Electric Excitation and Vibrations in Human Heart Invited Peer-reviewed

Hiroshi Kanai, Junya Ohkohchi, Hideyuki Hasegawa

Proceedings of IEEE 2008 International Ultrasonics Symposium Proceedings　2008/11/02

Viscoelasticity Measurement of Soft Tissue for Estimation of Heat Generation by Application of Prototype Ultrasonic Surgical Knife

Naoki Suzuki, Hideyuki Hasegawa, Hiroshi Kanai

7th International Symposium of 2007 Tohoku University Global COE Program　12-13　2008/10/16

Blood flow structure and dynamics, and ejection mechanism in the left ventricle: Analysis using echo-dynamography Peer-reviewed

Motonao Tanaka, Tsuguya Sakamoto, Shigeo Sugawara, Hiroyuki Nakajima, Yoshiaki Katahira, Shigeo Ohtsuki, Hiroshi Kanai

JOURNAL OF CARDIOLOGY　52　(2)　86-101　2008/10

DOI： 10.1016/j.jjcc.2008.05.005 　

ISSN： 0914-5087

Reduction of influence of variation in center frequencies of RF echoes on estimation of artery-wall strain Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　55　(9)　1921-1934　2008/09

DOI： 10.1109/TUFFC.884 　

ISSN： 0885-3010

Ultrasonic Imaging of Displacements Inside Objects Induced by Continuously Applied Fluctuating Acoustic Radiation forces

Hideyuki Hasegawa, Yoshitaka Odagiri, Hiroshi Kanai

Acoustics’08 Paris　6195-6200　2008/06/29

Flow-Mediated Change in Viscoelasticity of Radial Arterial Wall Measured by 22-MHz

Kazuki Ikeshita, Hideyuki Hasegawa, Hiroshi Kanai

Acoustics’08 Paris　5889-5894　2008/06/29

Accurate Ultrasonic Measurement of Two-Dimensional Displacement of Heart Wall Motion for Estimation of Myocardial Regional Strain Rate

Yasunori Honjo, Hideyuki Hasegawa, Hiroshi Kanai

Acoustics’08 Paris　5883-5888　2008/06/29

Automated Segmentation of Heart Wall Using Coherence Among Ultrasonic RF Echoes Peer-reviewed

Takaomi Kinugawa, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　47　(5)　4155-4164　2008/05

DOI： 10.1143/JJAP.47.4155 　

ISSN： 0021-4922

Ultrasonic Measurement of Transient Change in Stress-Strain Property of Radial Arterial Wall Caused by Endothelium-Dependent Vasodilation Peer-reviewed

Kazuki Ikeshita, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　47　(5)　4165-4169　2008/05

DOI： 10.1143/JJAP.47.4165 　

ISSN： 0021-4922

eISSN： 1347-4065

Threshold Setting for Likelihood Function for Elasticity-Based Tissue Classification of Arterial Walls by Evaluating Variance in Measurement of Radial Strain Peer-reviewed

Kentaro Tsuzuki, Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka

JAPANESE JOURNAL OF APPLIED PHYSICS　47　(5)　4180-4187　2008/05

DOI： 10.1143/JJAP.47.4180 　

ISSN： 0021-4922

eISSN： 1347-4065

Ultrasonic Measurement of Strain Distribution Inside Object Cyclically Compressed by Dual Acoustic Radiation Force Peer-reviewed

Yoshitaka Odagiri, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS　47　(5)　4193-4199　2008/05

DOI： 10.1143/JJAP.47.4193 　

ISSN： 0021-4922

Optimal region-of-interest settings for tissue characterization based on ultrasonic elasticity imaging Peer-reviewed

Kentaro Tsuzuki, Hideyuki Hasegawa, Masataka Ichiki, Fumiaki Tezuka, Hiroshi Kanai

ULTRASOUND IN MEDICINE AND BIOLOGY　34　(4)　573-585　2008/04

DOI： 10.1016/j.ultrasmedbio.2007.10.005 　

ISSN： 0301-5629

eISSN： 1879-291X

Ultrasonic Vascular Elastography for Tissue Characterization of Arterial Wall

Hideyuki Hasegawa, Hiroshi Kanai

5th International Symposium of 2007 Tohoku Univeristy Global COE Program GLobal Nano-Biomedical Engineering Education and Research Network Centre　9-12　2008/03/27

New Approaches in Arterial Characterisation -The Longitudinal Movement and the Minute Roughness of the Arterial Wall-

Magnus Cinthio, Hideyuki Hasegawa, Asa Ryden Ahlgren, Tomas Jansson, Hans W. Persson, Hiroshi Kanai, Kjell Lindstrom

11th International Symposium on Advanced Biomedical Ultrasound　5-8　2008/03/07

Accurate Tracking of Arterial Wall by High-Frame Rate Acquisition of RF Echoes

Hideyuki Hasegawa, Hiroshi Kanai

11th International Symposium on Advanced Biomedical Ultrasound　9-10　2008/03/07

Flow-Mediated Change in Stress-Strain Hysteresis of Radial Arterial Wall Noninvasively Measured by 22-MHz Ultrasound

Kazuki Ikeshita, Hideyuki Hasegawa, Hiroshi Kanai

11th International Symposium on Advanced Biomedical Ultrasound　11-12　2008/03/07

Ultrasonic Measurement of Two-Dimensional Displacement of Heart Motion for Estimation of Myocardial Regional Strain Rate

Yasunori Honjo, Hideyuki Hasegawa, Hiroshi Kanai

11th International Symposium on Advanced Biomedical Ultrasound　17-18　2008/03/07

Measurement of Vibration Propagation in the Myocardium

Hiroshi Kanai

11th International Symposium on Advanced Biomedical Ultrasound　19-22　2008/03/07

Measurements of the Longitudinal Movement and the Minute Roughness of the Arterial Wall -New Approaches in Arterial Characterisation-

Magnus Cinthio, Asa Ryden Ahlgren, Hideyuki Hasegawa, Tomas Jansson, Hans W. Persson, Kjell Lindstrom, Hiroshi Kanai

The 3nd International Symposium on Medical, Bio- and Nano- Electronics in Sendai　75-84　2008/03/05

Ultrasonic Measurement of Transient Change in Viscoelastic Property of Radial Arterial Wall due to Flow-Mediated Dilation

Kazuki Ikeshita, Hideyuki Hasegawa, Hiroshi Kanai

The 3nd International Symposium on Medical, Bio- and Nano- Electronics in Sendai　85-86　2008/03/05

Automated Segmentation of Heart Wall Based on Coherence Among Ultrasonic RF Echoes

Takaomi Kinugawa, Hideyuki Hasegawa, Hiroshi Kanai

The 3nd International Symposium on Medical, Bio- and Nano- Electronics in Sendai　87-88　2008/03/05

Viscoelasticity Estimation of Soft Tissue Using Prototype Ultrasonic Surgical Knife

Naoki Suzuki, Hideyuki Hasegawa, Hiroshi Kanai

The 3nd International Symposium on Medical, Bio- and Nano- Electronics in Sendai　203-204　2008/03/05

Ultrasonic Estimation of Scatterer Radius Using Frequency Spectrum in High Range for Assessment of Red Blood Cell Aggregation

Nobutaka Saitoh, Hideyuki Hasegawa, Hiroshi Kanai

The 3nd International Symposium on Medical, Bio- and Nano- Electronics in Sendai　201-202　2008/03/05

Ultrasonic Measurement of Two-Dimensional Displacement of HeartWall Motion for Accurate Assessment of Myocardial Regional Strain Rate

Yasunori Honjo, Hideyuki Hasegawa, Hiroshi Kanai

The 3nd International Symposium on Medical, Bio- and Nano- Electronics in Sendai　205-206　2008/03/05

ブロックマッチング法を用いた血管長軸方向速度推定に関する基礎研究

福井 智宏, 長谷川 英之, 金井 浩

電気関係学会東北支部連合大会講演論文集　2008　51-51　2008

DOI： 10.11528/tsjc.2008.0_51 　

STRAIN IMAGING FOR ARTERIAL WALL WITH TRANSLATIONAL MOTION COMPENSATION AND CENTER FREQUENCY ESTIMATION Peer-reviewed

H. Hasegawa, H. Kanai

ACOUSTICAL IMAGING, VOL 29　29　19-25　2008

ISSN： 0270-5117

A novel method for evaluating human carotid artery elasticity: Possible detection of early stage atherosclerosis in subjects with type 2 diabetes Peer-reviewed

Hisashi Okimoto, Yasushi Ishigaki, Yoshihiro Koiwa, Yoshinori Hinokio, Takehide Ogihara, Susumu Suzuki, Hideki Katagiri, Takayoshi Ohkubo, Hideyuki Hasegawa, Hiroshi Kanai, Yoshitomo Oka

ATHEROSCLEROSIS　196　(1)　391-397　2008/01

DOI： 10.1016/j.atherosclerosis.2006.11.020 　

ISSN： 0021-9150

Simultaneous Imaging of Artery-Wall Strain and Blood Flow Realized by High Frame Rate Acquisition of RF Echoes Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

2008 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-4 AND APPENDIX　225-+　2008

DOI： 10.1109/ULTSYM.2008.0055 　

ISSN： 1051-0117

Assessment of Red Blood Cell Aggregation Using Normalized Power Spectrum of High Frequency Ultrasound Peer-reviewed

Nobutaka Saitoh, Hideyuki Hasegawa, Hiroshi Kanai

2008 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-4 AND APPENDIX　1975-1978　2008

DOI： 10.1109/ULTSYM.2008.0487 　

ISSN： 1051-0117

Accurate Ultrasonic Measurement of Myocardial Regional Strain Rate at High Temporal and Spatial Resolutions Peer-reviewed

Yasunori Honjo, Hideyuki Hasegawa, Hiroshi Kanai

2008 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-4 AND APPENDIX　1995-1998　2008

DOI： 10.1109/ULTSYM.2008.0492 　

ISSN： 1051-0117

Flow-Mediated Change in Viscoelasticity of Radial Artery Noninvasively Measured by 22-MHz Ultrasound Peer-reviewed

Kazuki Ikeshita, Hideyuki Hasegawa, Hiroshi Kanai

2008 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-4 AND APPENDIX　1999-2002　2008

ISSN： 1051-0117

Non-Invensive Ultrasonic Measurement of Minute Roughness for Arterial Wall Diagnosis in Vivo

Magnus Cinthio, Hideyuki Hasegawa, Hiroshi Kanai

The Days of Biomedical Engineering 2007　2007/10

Evaluation of plaque stabilization with carotid intima-medial elasticity measured by a transcutaneous ultrasonic-based tissue characterization system

T. Yamagishi, K. Kato, Y. Koiwa, K. Omata, H. Hasegawa, H. Kanai

EUROPEAN HEART JOURNAL　28　237-237　2007/09

ISSN： 0195-668X

Assessment of myocardium by vibration measurements Invited

Hiroshi Kanai

Second International Conference on the Development of Biomedical Engineering in Vietnam and the Second Young Vietnamese Scientists Meeting　2007/07/25

Investigation of frequency characteristics in cutting of soft tissue using prototype ultrasonic knives Peer-reviewed

Kosuke Ebina, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　46　(7B)　4793-4800　2007/07

DOI： 10.1143/JJAP.46.4793 　

ISSN： 0021-4922

Accurate estimation of scattering strength distribution by, simultaneous reception of ultrasonic echoes with multichannel transducer array Peer-reviewed

Yusaku Abe, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　46　(7B)　4813-4819　2007/07

DOI： 10.1143/JJAP.46.4813 　

ISSN： 0021-4922

Measurement of angular dependence of ultrasonic echo for estimation of surface roughness Peer-reviewed

Kazuki Kudo, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　46　(7B)　4873-4880　2007/07

DOI： 10.1143/JJAP.46.4873 　

ISSN： 0021-4922

Ultrasonic measurement of change in elasticity due to endothelium dependent relaxation response by accurate detection of artery-wall boundary Peer-reviewed

Takuya Kaneko, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　46　(7B)　4881-4888　2007/07

DOI： 10.1143/JJAP.46.4881 　

ISSN： 0021-4922

Ultrasonic imaging of propagation of contraction and relaxation in the heart walls at high temporal resolution Peer-reviewed

Hiroki Yoshiara, Hideyuki Hasegawa, Hiroshi Kanai, Motonao Tanaka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　46　(7B)　4889-4896　2007/07

DOI： 10.1143/JJAP.46.4889 　

ISSN： 0021-4922

Basic study on detection of outer boundary of arterial wall using its longitudinal motion Peer-reviewed

Takanori Numata, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　46　(7B)　4900-4907　2007/07

DOI： 10.1143/JJAP.46.4900 　

ISSN： 0021-4922

Measurement of angular dependence of ultrasonic scattering from wire phantom mimicking myocardial fiber Peer-reviewed

Teppei Onodera, Hideyuki Hasegawa, Hiroshi Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　46　(7B)　4897-4899　2007/07

DOI： 10.1143/JJAP.46.4897 　

ISSN： 0021-4922

Displacement Distribution Inside Object Generated by Dual Acoustic Radiation Force for Evaluation of Acupuncture Therapy

Yoshitaka Odagiri, Hideyuki Hasegawa, Hiroshi Kanai

The Japan-China Joint Conference on Acoustics 2007, JCA2007　2007/06/04

Measurement of Ultrasonic Scattering from Nylon Phantom Mimicking Bundle of Myocardial Fibers

Teppei Onodera, Hideyuki Hasegawa, Hiroshi Kanai

The Japan-China Joint Conference on Acoustics 2007, JCA2007　2007/06/04

Identification of Heart Wall Using Frequency Spectrum of Ultrasonic RF Echo

Takaomi Kinugawa, Hideyuki Hasegawa, Hiroshi Kanai

The Japan-China Joint Conference on Acoustics 2007, JCA2007　2007/06/04

Optimum Size of Region of Interest For Tissue Classification of Arterial Wall based on Transcutaneous Ultrasound

Kentaro Tsuzuki, Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka

The Japan-China Joint Conference on Acoustics 2007, JCA2007　2007/06/04

Ultrasonic Measurement of Transient in Elasticity of the Radial Artery Caused by Endothelial-Dependent Vasodilator Response

Kazuki Ikeshita, Hideyuki Hasegawa, Hiroshi Kanai

The Japan-China Joint Conference on Acoustics 2007, JCA2007　2007/06/04

Ultrasonic Imaging of Spatial Distribution of Strain Rate in Myocardium at High Temporal Resolution for Estimation of Physiological Function of Human Heart

Hiroki Yoshiara, Hideyuki Hasegawa, Hiroshi Kanai, Motonao Tanaka

The 9th International Symposium of Future Medical Engineering Based on Bio-nanotechnology　34-37　2007/01/08

Tissue Characterization of Arterial Wall with Ultrasonic Elasticity Imaging

Hideyuki Hasegawa, Kentaro Tsuzuki, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka

The 9th International Symposium of Future Medical Engineering Based on Bio-nanotechnology　38-41　2007/01/08

Assessment of Myocardial Vibration

Hiroshi Kanai

The 9th International Symposium of Future Medical Engineering Based on Bio-nanotechnology　55　2007/01/08

Ultrasonic measurement of arterial wall for quantitative diagnosis of atherosclerosis--elasticity imaging of arterial wall and atherosclerotic plaque

Hasegawa, H., Kanai, H., Ichiki, M., Tezuka, F.

Rinsho byori. The Japanese journal of clinical pathology　55　(4)　2007

Improved imaging of the carotid artery in the short-axis plane by a mechanical scanning ultrasonic probe Peer-reviewed

Kazuki Kudo, Hideyuki Hasegawa, Hiroshi Kanai

JOURNAL OF MEDICAL ULTRASONICS　34　(1)　23-27　2007

DOI： 10.1007/s10396-006-0125-8 　

ISSN： 1346-4523

Tissue structure of arterial wall revealed with elasticity imaging Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, Furniaki Tezuka

JOURNAL OF MEDICAL ULTRASONICS　34　(1)　73-74　2007

DOI： 10.1007/s10396-006-0133-8 　

ISSN： 1346-4523

Imaging of transient in myocardial contraction and relaxation bymeasuring strain rate at high temporal resolution Peer-reviewed

Hiroki Yoshiara, Hideyuki Hasegawa, Hiroshi Kanai, Motonao Tanaka

Choonpa Igaku　34　(4)　439-448　2007

DOI： 10.3179/jjmu.34.439 　

ISSN： 1346-1176

Strain imaging of arterial wall with translational motion compensation and error correction

Hideyuki Hasegawa, Hiroshi Kanai

2007 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1-6　860-863　2007

DOI： 10.1109/ULTSYM.2007.220 　

ISSN： 1051-0117

Angular dependence of ultrasonic echo from surface with minute roughness

Hideyuki Hasegawa, Kazuki Kudo, Hiroshi Kanai

2007 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1-6　2511-2514　2007

DOI： 10.1109/ULTSYM.2007.632 　

ISSN： 1051-0117

Minute roughness measurement using phase tracking for arterial wall diagnosis non-invasively in vivo

Magnus Cinthio, Hideyuki Hasegawa, Hiroshi Kanai

2007 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1-6　997-+　2007

DOI： 10.1109/ULTSYM.2007.254 　

ISSN： 1051-0117

Ultrasonic imaging of propagation of electric excitation in heart wall

Hiroshi Kanai

2007 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1-6　753-756　2007

DOI： 10.1109/ULTSYM.2007.193 　

ISSN： 1051-0117

Transient change in the hysteresis property of the arterial wall due to flow-mediated dilation

Kazuki Ikeshita, Hideyuki Hasegawa, Hiroshi Kanai

2007 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1-6　1196-1199　2007

DOI： 10.1109/ULTSYM.2007.301 　

ISSN： 1051-0117

Identification of heart wall based on coherence of ultrasonic RF echoes evaluated in frequency domain

Takaomi Kinugawa, Hideyuki Hasegawa, Hiroshi Kanai

2007 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1-6　1496-+　2007

DOI： 10.1109/ULTSYM.2007.376 　

ISSN： 1051-0117

Angular Dependence of Ultrasonic Echo in Frequency Domain for Measurement of Surface Roughness

Kazuki Kudo, Hideyuki Hasegawa, Hiroshi Kanai

The 2nd International Symposium on Bio- and Nano- Electronics in Sendai　67-68　2006/12/09

Ultrasonic Measurement of Endothelium-Dependent Relaxation Response at Radial Artery

Takuya Kaneko, Hideyuki Hasegawa, Hiroshi Kanai

The 2nd International Symposium on Bio- and Nano- Electronics in Sendai　69-70　2006/12/09

Frequency Characteristic of Cavitation Phenomenon during Cutting of Soft Tissue Using Ultrasonic Surgical Knife

Kosuke Ebina, Hideyuki Hasegawa, Hiroshi Kanai

The 2nd International Symposium on Bio- and Nano- Electronics in Sendai　71-72　2006/12/09

Identification of Heart Wall by Frequency Analysis of Ultrasonic RF Echo

Takaomi Kinugawa, Hideyuki Hasegawa, Hiroshi Kanai

The 2nd International Symposium on Bio- and Nano- Electronics in Sendai　73-74　2006/12/09

Ultrasonic Measurement of Longitudinal Displacement Distribution in the Radial Direction of Carotid Artery for Detection of Adventitia Position

Takanori Numata, Hideyuki Hasegawa, Hiroshi Kanai

The 2nd International Symposium on Bio- and Nano- Electronics in Sendai　75-76　2006/12/09

Classification of Arterial Wall into Lipids, Blood Clots, Fibrous Tissue, and Calcified Tissue Based on Elasticity Distribution in Region of Interest

Kentaro Tsuzuki, Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka

The 2nd International Symposium on Bio- and Nano- Electronics in Sendai　77-78　2006/12/09

Strain Generation Using Acoustic Radiation Force for Evaluation of Acupuncture Therapy

Yoshitaka Odagiri, Hideyuki Hasegawa, Hiroshi Kanai

The 2nd International Symposium on Bio- and Nano- Electronics in Sendai　79-80　2006/12/09

Ultrasound Scattered from Wire Phantom Mimicking Myocardial Fiber

Teppei Onodera, Hideyuki Hasegawa, Hiroshi Kanai

The 2nd International Symposium on Bio- and Nano- Electronics in Sendai　81-82　2006/12/09

Ultrasonic Imaging of Propagation of Myocardial Contraction and Relaxation at High Temporal Resolution

Hiroki Yoshiara, Hideyuki Hasegawa, Hiroshi Kanai, Motonao Tanaka

The 2nd International Symposium on Bio- and Nano- Electronics in Sendai　83-84　2006/12/09

Improving Spatial Resolution in Estimating Scattering Strength Distribution by Simultaneous Receiving of Multi-Channel Ultrasonic Echoes

Yusaku Abe, Hideyuki Hasegawa, Hiroshi Kanai

The 2nd International Symposium on Bio- and Nano- Electronics in Sendai　85-86　2006/12/09

Assessment of Vibration of the Myocardium Invited

Hiroshi Kanai

Proceeding of The Tenth Annual Meeting of the European Association of Echocardiography (Euroecho 10)　117　2006/12/06

Usefulness of measurement of carotid arterial wall elasticity distribution in detection of early-stage atherosclerotic lesions caused by cigarette smoking Peer-reviewed

Toshio Yamagishi, Makoto Kato, Yoshiro Koiwa, Hideyuki Hasegawa, Hiroshi Kanai

Journal of Medical Ultrasonics　33　(4)　203-210　2006/12

DOI： 10.1007/s10396-006-0111-1 　

ISSN： 1346-4523 1613-2254

Carotid Ultrasound Elastography Invited

Hiroshi Kanai, Hideyuki Hasegawa

Proceeding of The Tenth Annual Meeting of the European Association of Echocardiography (Euroecho 10)　135　2006/12

Modification of the phased-tracking method for reduction of artifacts in estimated artery wall deformation Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　53　(11)　2050-2064　2006/11

DOI： 10.1109/TUFFC.2006.145 　

ISSN： 0885-3010

Imaging Myocardial Heterogeneity Using Propagation of Pulsive Vibration for Patients with Old myocardial Infarction

Hiroshi Kanai, Sachiko Watanabe, Yoshifumi Saijo, Motonao Tanaka

Abstract From the American Heart Association's Scientific Session 2006　664-665　2006/11

Ultrasonic Imaging and Measurement Toward Noninvasive Tissue Characterization and Evaluation of Physiological Condition of Arterial wall

Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka

Proceedings of 9th Sendai Symposium on Ultrasonic Tissue Characterization　9-12　2006/11

Ultrasonic Measurement of Strain Generated by Dual Acoustic Radiation Force for Evaluation of Acupuncture Therapy

Yoshitaka Odagiri, Hideyuki Hasegawa, Hiroshi Kanai

Proceedings of 9th Sendai Symposium on Ultrasonic Tissue Characterization　22-25　2006/11

Measurement of Angle-Dependent Ulrasound Scattering from Wire Phantom Mimicking Myocardial Fiber

Teppei Onodera, Hideyuki Hasegawa, Hiroshi Kanai

Proceedings of 9th Sendai Symposium on Ultrasonic Tissue Characterization　26-28　2006/11

Imaging of Instantaneous Propagation Speed of Pulse Vibration along the HeartWall Invited

Hiroshi Kanai

Proceeding of Fourth Joint Meeting Acoustical Societies of America and Japan　3aBB2　3154-3155　2006/11

Ultrasonic Measurement of Displacement Distribution Inside an Object Caused by Dual Acoustic Radiation Force for Evaluation of Muscular Relax Property Due to Acupuncture Therapy

Yoshitaka Odagiri, Hideyuki Hasegawa, Hiroshi Kanai

Proceeding of Fourth Joint Meeting Acoustical Societies of America and Japan　4pBB9　3270　2006/11

A Phantom Study on Ultrasonic Measurement of ArterialWall Strain Combined with Tracking of Translational Motion

Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka

Proceeding of Fourth Joint Meeting Acoustical Societies of America and Japan　4pBB10　3270　2006/11

Basic Study on Angular Dependence of Ultrasonic Scattering from Wire Phantom Minicking Myocardium

Teppei Onodera, Hideyuki Hasegawa, Hiroshi Kanai

Proceeding of Fourth Joint Meeting Acoustical Societies of America and Japan　5pBB4　3361　2006/11

Imaging Myocardial Heterogeneity using Propagation of Pulsive Vibration for Healty Subjects and Patients with Old Myocardial Infarction

Hiroshi Kanai, Sachiko Watanabe, Yoshifumi Saijo, Motonao Tanaka

Proceedings of the Fifth International Conference on the Ultrasonic Measurement and Imaging of Tissue Elasticity　CVE-1　74　2006/10

Strain Estimation of Arterial Wall with Global Motion Tracking: A Phantom Study

Hideyuki Hasegawa, Hiroshi Kanai

Proceedings of the Fifth International Conference on the Ultrasonic Measurement and Imaging of Tissue Elasticity　CVE-2　133　2006/10

Effects of Valsaltan on the Distribution of the Carotid Intima-Medial Elasticity Measured with a Transcutaneous Ultrasonic-Based Tissue Characterization System in Essential Hypertensive Patients

Toshio Yamagishi, Makoto Kato, Yoshiro Koiwa, Ken Omata, Hideyuki Hasegawa, Hiroshi Kanai

The 21st Scientific Meeting of the International Society of Hypertension　PO3　124　2006/10

Measurement of nonlinear property of artery wall using remote cyclic actuation Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

Journal of Medical Ultrasonics　33　(3)　143-151　2006/09

DOI： 10.1007/s10396-005-0095-2 　

ISSN： 1346-4523 1613-2254

Generation of strain inside objects using dual acoustic radiation force Peer-reviewed

H Hasegawa, M Takahashi, Y Nishio, H Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　45　(5B)　4706-4711　2006/05

DOI： 10.1143/JJAP.45.4706 　

ISSN： 0021-4922

Designing beam steering for accurate measurement of intima-media thickness at carotid sinus Peer-reviewed

T Mashiyama, H Hasegawa, H Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　45　(5B)　4722-4726　2006/05

DOI： 10.1143/JJAP.45.4722 　

ISSN： 0021-4922

Spatial distribution measurement of heart wall vibrations generated by remote perturbation of inner pressure Peer-reviewed

H Kanai, H Hasegawa, K Imamura

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　45　(5B)　4718-4721　2006/05

DOI： 10.1143/JJAP.45.4718 　

ISSN： 0021-4922

Accurate ultrasonic measurement of surface profile using phase shift of echo and inverse filtering Peer-reviewed

C Arihara, H Hasegawa, H Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　45　(5B)　4727-4731　2006/05

DOI： 10.1143/JJAP.45.4727 　

ISSN： 0021-4922

Tissue classification of arterial wall based on elasticity image Peer-reviewed

J Inagaki, H Hasegawa, H Kanai, M Ichiki, F Tezuka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　45　(5B)　4732-4735　2006/05

DOI： 10.1143/JJAP.45.4732 　

ISSN： 0021-4922

新規動脈硬化診断法(血管壁弾性特性測定)の2型糖尿病患者での有用性続報 Peer-reviewed

沖本久志, 石垣泰, 小岩喜郎, 長谷川英之, 金井浩, 萩原尚, 荻原健英, 鈴木進, 片桐秀樹, 岡芳知

糖尿病　49　(4)　303-303　2006/04

Noninvasive Viscoelasticity Estimation of Heart Wall Using Ultrasound

Hiroshi Kanai

International Symposium on Bio- and Nano-Electronics in Sendai　O-08　33-36　2006/03

Measurement of Longitudinal Displacement of ArterialWall based on cross correlation between interpolated Ultrasonic RF Echoes

Takanori Numata, Hideyuki Hasegawa, Hiroshi Kanai

International Symposium on Bio- and Nano-Electronics in Sendai　P-14　73-74　2006/03

Improvement of Temporal Resolution in Measurement of Spatial Distribution of Myocardial Strain Rate

Hiroki Yoshiara, Hideyuki Hasegawa, Hiroshi Kanai, Motonao Tanaka

International Symposium on Bio- and Nano-Electronics in Sendai　P-15　75-76　2006/03

Ultrasonic Measurement of Change in Elasticity of Intima-Media Region during Endothelium-Dependent Vasodilation

Takuya Kaneko, Hideyuki Hasegawa, Hiroshi Kanai

International Symposium on Bio- and Nano-Electronics in Sendai　P-16　77-78　2006/03

Measurement of Micro-order surface roughness using angular dependence of ultrasonic echo

Kazuki Kudo, Hideyuki Hasegawa, Hiroshi Kanai

International Symposium on Bio- and Nano-Electronics in Sendai　P-17　79-80　2006/03

Ultrasonic Measurement of Spatial Distribution of Displacement Generated by Acoustic Radiation Forces

Mikito Takahashi, Hideyuki Hasegawa, Hiroshi Kanai

International Symposium on Bio- and Nano-Electronics in Sendai　P-18　81-82　2006/03

Measurement of Ultrasonic Scattering Dependence on Orientation of Myocardial Fiber

Hiroaki Kamada, Hideyuki Hasegawa, Hiroshi Kanai

International Symposium on Bio- and Nano-Electronics in Sendai　P-19　83-84　2006/03

Measurement of Pressure Distribution caused by Cavitation with Ultrasound Surgical Knife

Kousuke Ebina, Hideyuki Hasegawa, Hiroshi Kanai

International Symposium on Bio- and Nano-Electronics in Sendai　P-20　85-86　2006/03

Accurate Ultrasonic Measurement of Surface Profile of Biological Organ Using Phase Shift Between Scanned Echoes and Inverse Filtering

Chihiro Arihara, Hideyuki Hasegawa, Hiroshi Kanai

International Symposium on Bio- and Nano-Electronics in Sendai　P-21　87-88　2006/03

Beam Steering Design realizes Accurate Measurement of Intima-Media Thickness at Carotid Sinus

Takashi Mashiyama, Hideyuki Hasegawa, Hiroshi Kanai

International Symposium on Bio- and Nano-Electronics in Sendai　P-22　89-90　2006/03

Basic Study on Synthetic Aperture Processing for Accurate Estimation of Scatterer’s Position

Yusaku Abe, Hideyuki Hasegawa, Hiroshi Kanai

International Symposium on Bio- and Nano-Electronics in Sendai　P-23　91-92　2006/03

Ultrasonic Classification of Tissues of Arterial Wall into Lipid, Blood Clot, Fibrous Tissue and Calcified Tissue

Jun Inagaki, Hideyuki Hasegawa, Hiroshi Kanai, Tezuka Fumiaki, Masataka Ichiki

International Symposium on Bio- and Nano-Electronics in Sendai　P-24　93-94　2006/03

Measurement of Shear Wave Propagation and Investigation of Estimation of Shear Viscoelasticity for Tissue Characterization of the Arterial Wall Peer-reviewed

Kazuhiro Sunagawa, Hiroshi Kanai

Choonpa Igaku　33　(1)　65-74　2006

DOI： 10.3179/jjmu.33.65 　

ISSN： 1346-1176

Ultrasonic cross-sectional imaging and measurement of motion and mechanical properties of arterial walls Peer-reviewed

Hideyuki Hasegawa, Jun Inagaki, Takashi Mashiyama, Takanori Numata, Masataka Ichiki, Fumiaki Tezuka, Hiroshi Kanai

FUTURE MEDICAL ENGINEERING BASED ON BIONANOTECHNOLOGY, PROCEEDINGS　719-+　2006

Transcutaneous tissue characterization of atheroma based on elasticity imaging with ultrasound Peer-reviewed

H. Hasegawa, J. Inagaki, H. Kanai, M. Ichiki, F. Tezuka

ADVANCES IN HEART DISEASE　201-+　2006

Improving accuracy in estimation of artery-wall displacement by referring to center frequency of RF echo Peer-reviewed

H Hasegawa, H Kanai

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　53　(1)　52-63　2006/01

DOI： 10.1109/TUFFC.2006.1588391 　

ISSN： 0885-3010

Visualization of propagation of pulse vibration along the heart wall and imaging of its propagation speed

Hiroshi Kanai

2006 28TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOLS 1-15　ThA15.01　586-589　2006

DOI： 10.1109/IEMBS.2006.260660 　

Fetal myocardial thickening measured by ultrasonic-based technique called 'phased-tracking method' Peer-reviewed

Shutaro Kunii, Junichi Sugawara, Yoshitaka Kimura, Noriaki Imai, Hiroshi Chisaka, Hideyuki Hasegawa, Yoshiro Koiwa, Hiroshi Kanai, Kunihiro Okamura

FETAL DIAGNOSIS AND THERAPY　21　(5)　458-465　2006

DOI： 10.1159/000093889 　

ISSN： 1015-3837

Regional Differences in Phase Velocity of Pulsive Wave Propagating along the Heart Wall

Hiroshi Kanai

2006 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-5, PROCEEDINGS　760-763　2006

DOI： 10.1109/ULTSYM.2006.171 　

ISSN： 1051-0117

Correlation Estimator Compounding for Reduction of Variance in Elasticity Imaging of Arterial Wall

Hideyuki Hasegawa, Kentaro Tsuzuki, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka

2006 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-5, PROCEEDINGS　1266-+　2006

DOI： 10.1109/ULTSYM.2006.324 　

ISSN： 1051-0117

Identification of Lipids, Blood Clots, Fibrous Tissues, and Calcified Tissues in Arterial Wall Based on Elasticity Imaging

Kentaro Tsuzuki, Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka

2006 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-5, PROCEEDINGS　1321-+　2006

DOI： 10.1109/ULTSYM.2006.339 　

ISSN： 1051-0117

Adaptive Beam Steering for Improved Imaging of Carotid Sinus

Hideyuki Hasegawa, Takashi Mashiyama, Hiroshi Kanai

2006 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-5, PROCEEDINGS　2182-2185　2006

DOI： 10.1109/ULTSYM.2006.550 　

ISSN： 1051-0117

Noninvasive Viscoelasticity Estimation of Heart Wall

Hiroshi Kanai

The 7th International Symposium of Future Medical Engineering Based on Bio-nanotechnology　24-27　2005/12

Tissue Characterization of Arterial Wall Based on Elasticity Imaging with Ultrasound

Hideyuki Hasegawa, Jun Inagaki, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka

The 7th International Symposium of Future Medical Engineering Based on Bio-nanotechnology　28-31　2005/12

Elasticity Imaging of Artery Wall for Transcutaneous Tissue Characterization

Hideyuki Hasegawa, Jun Inagaki, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka

Proceedings of 8th Sendai Symposium on Ultrasonic Tissue Characterization　9-12　2005/11

Ultrasonic Measurement of Displacement Inside Object Caused by Dual Acoustic Radiation Force

Mikito Takahashi, Hideyuki Hasegawa, Hiroshi Kanai

Proceedings of 8th Sendai Symposium on Ultrasonic Tissue Characterization　13-16　2005/11

Noninvasive Measurement of Myocardial Viscoelasticity

Hiroshi Kanai

Proceedings of 8th Sendai Symposium on Ultrasonic Tissue Characterization　17-21　2005/11

Measurement of Myocardial Strain Rate at High Temporal Resolution

Hiroshi KanaiHiroki Yoshiara, Hideyuki Hasegawa, Hiroshi Kanai

Proceedings of 8th Sendai Symposium on Ultrasonic Tissue Characterization　22-25　2005/11

Propagation of spontaneously actuated pulsive vibration in human heart wall and in vivo viscoelasticity estimation Peer-reviewed

H Kanai

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　52　(11)　1931-1942　2005/11

DOI： 10.1109/TUFFC.2005.1561662 　

ISSN： 0885-3010

Doppler Myography-Detecting and Imaging Intrinsic Muscle Sounds

SF. Levinson, H. Kanai, H. Hasegawa

Fourth International Conference on the Ultrasonic Measurement and Imaging of Tissue Elasticity　100　2005/10

Viscoelasticity Measurement of ArterialWall with Transcutaneous Ultrasound Invited

Hideyuki Hasegawa, Hiroshi Kanai

Program and Paper Abstracts of World Congress on Ultrasonics- Ultrasonics International 2005 (WCU/UI’05)　TuApm1-01　51　2005/08

Change in elasticity caused by flow-mediated dilation measured only for intima-media region of brachial artery Peer-reviewed

M Sugimoto, H Hasegawa, H Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　44　(8)　6297-6301　2005/08

DOI： 10.1143/JJAP.44.6297 　

ISSN： 0021-4922

Cross-sectional elasticity imaging of arterial wall by comparing measured change in thickness with model waveform Peer-reviewed

J Tang, H Hasegawa, H Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　44　(6B)　4588-4592　2005/06

DOI： 10.1143/JJAP.44.4588 　

ISSN： 0021-4922

Construction of reference data for tissue characterization of arterial wall based on elasticity images Peer-reviewed

J Inagaki, H Hasegawa, H Kanai, M Ichiki, F Tezuka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　44　(6B)　4593-4597　2005/06

DOI： 10.1143/JJAP.44.4593 　

ISSN： 0021-4922

Frequency analysis of strain of cylindrical shell for assessment of viscosity Peer-reviewed

H Hasegawa, H Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　44　(6B)　4609-4614　2005/06

DOI： 10.1143/JJAP.44.4609 　

ISSN： 0021-4922

Measurement of shear wave propagation and investigation of estimation of shear viscoelasticity for tissue characterization of the arterial wall Peer-reviewed

Kazuhiro Sunagawa, Hiroshi Kanai

Journal of Medical Ultrasonics　32　(2)　39-47　2005/06

DOI： 10.1007/s10396-005-0034-2 　

ISSN： 1346-4523

In Vivo Viscoelasticity Estimation based on Measurement of Propagation of Pulsive Vibration along Human Heart Wall Peer-reviewed

Hiroshi Kanai

The 30th International Symposium on Ultrasonic Imaging and Tissue Characterization　2005/05

新規動脈硬化診断法(血管壁弾性特性測定)の糖尿病患者での有用性 Peer-reviewed

沖本久志, 石垣泰, 小岩喜郎, 長谷川英之, 金井浩, 萩原尚, 反中由直, 檜尾好徳, 平井完史, 山田高弘, 善積信介, 田村明, 山田哲也, 石原寿光, 高橋和眞, 荻原健英, 鈴木進, 片桐秀樹, 岡芳知

糖尿病　48　(Suppl.2)　S240-S240　2005/04

ISSN： 0021-437X

eISSN： 1881-588X

Measurement and Frequency Analysis of Strain of Cylindrical Shell for Assessment of Artery Wall Viscoelasticity Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

6th Asian-Pacific Conference on Medical and Biological Engineering (APCMBE2005)　PA-1-66　2005/04

Construction of Data Library for Tissue Classification of Arterial Wall Based on Elasticity Peer-reviewed

Jun Inagaki, Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka

The 5th International Symposium on Future Medical Engineering based on Bio-nanotechnology 21st Century Center of Excellence (COE) Program, Nano Science and Technology for Medical Applications　50-51　2005/02

In vivo viscoelasticity estimation of myocardium

H Kanai

2005 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-4　1095-1098　2005

DOI： 10.1109/ULTSYM.2005.1603041 　

ISSN： 1051-0117

Spatial distribution measurement of heart wall motion generated by remote perturbation of inner pressure

H Kanai, H Hasegawa, K Imamura

2005 IEEE Ultrasonics Symposium, Vols 1-4　1368-1371　2005

DOI： 10.1109/ULTSYM.2005.1603108 　

ISSN： 1051-0117

Cyclic generation of strain inside object using dual acoustic radiation force

H Hasegawa, Y Nishio, H Kanai

2005 IEEE Ultrasonics Symposium, Vols 1-4　835-838　2005

DOI： 10.1109/ULTSYM.2005.1602979 　

ISSN： 1051-0117

Automatic measurement of regional elasticity of carotid artery intima-media complex

H Hasegawa, H Kanai

2005 IEEE Ultrasonics Symposium, Vols 1-4　1767-1770　2005

DOI： 10.1109/ULTSYM.2005.1603209 　

ISSN： 1051-0117

Imaging of Cross-Sectional Elasticity for Diagnosis of Atherosclerosis Invited Peer-reviewed

Hiroshi Kanai

Fourth Japan-America Frontiers of Engineering Symposium (JAFOE2004)　9-10　2004/11

Transcutaneously Measured Viscoelasticity of Myocardium Rapidly Decreases at the Beginning of Diastole

Hiroshi Kanai

American Heart Association Scientific Sessions 2004, Circulation　110　(17)　III-362　2004/11

Histological Change and Transmural Systolic Function in Adriamycin Cardiomyopathy

Yoshiro Koiwa, Hiroshi Kanai, Hideyuki Honda, Hide-ichi Kamada, Yoshiko Saito, Fumiaki Tezuka, Kohshiro Sugimura

American Heart Association Scientific Sessions 2004, Circulation　110　(17)　III-361　2004/11

Transcutaneous Measurement of Myocardial Viscoelasticity Peer-reviewed

Hiroshi Kanai

Proceedings of the Third International Conference on the Ultrasonic Measurement and Imaging of Tissue Elasticity　80　2004/10

Evaluating the regional elastic modulus of a cylindrical shell with nonuniform wall thickness Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai, Nozomu Hoshimiya, Yoshiro Koiwa

Journal of Medical Ultrasonics　31　(2)　81-90　2004/06

DOI： 10.1007/s10396-004-0014-y 　

ISSN： 1346-4523

Ultrasonic Measurement of Viscosity of Arterial Wall by Application of Remote Actuation Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

The 4th International Symposium on Future Medical Engineering based on Bio-nanotechnology (21st Century COE Program) Frontiers of Medical Informatics　80-81　2004/06

Measurement of elastic moduli of the arterial wall at multiple frequencies by remote actuation for assessment of viscoelasticity Peer-reviewed

H Hasegawa, H Kanal

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　43　(5B)　3197-3203　2004/05

DOI： 10.1143/JJAP.43.3197 　

ISSN： 0021-4922

Cross-sectional elasticity imaging of carotid arterial wall in short-axis plane by transcutaneous ultrasound Peer-reviewed

N Nakagawa, H Hasegawa, H Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　43　(5B)　3220-3226　2004/05

DOI： 10.1143/JJAP.43.3220 　

ISSN： 0021-4922

Ultrasonic Measurement of Viscoelasticity for Tissue Characterization of Arterial Wall Invited Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka

Seventh Congress of the Asian Federation of Societies for Ultrasound in Medicine and Biology (AFSUMB 2004) Symposium of Recent Vascular Ultrasound Imaging Research ASY9-5　2004/05

Elasticity Imaging of Arterial Wall with Transcutaneous Ultrasound both in Longitudinal-axis and Short-axis Planes Invited Peer-reviewed

Hiroshi Kanai, Hideyuki Hasegawa

The Journal of the Acoustical Society of America　115　(5-2)　2411　2004/05

Electronic Staining : Elasticity Imaging of Atheroma with Transcutaneous Ultrasound Invited Peer-reviewed

Hiroshi Kanai, Hideyuki Hasegawa

Proceedings of the 18th International Congress on Acoustics (ICA2004)　Tu2　(A1)　II889-II892　2004/04

Imaging of Wavefront Propagation along Heart Wall Peer-reviewed

Hiroshi Kanai

Proceedings of the 18th International Congress on Acoustics (ICA2004)　Mo5　(A2)　I465-I468　2004/04

Measurement of Change in Wall Thickness of Cylindrical Shell at Multiple Frequencies Caused by Remote Actuation for Assessment of Regional Viscoelasticity of Arterial Wall Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

Proceedings of the 18th International Congress on Acoustics (ICA2004)　Mo5　(A3)　I469-I472　2004/04

DOI： 10.1143/JJAP.43.3197 　

Imaging of cross-sectional elasticity in short-axis plane of arterial wall by transcutaneous ultrasound Peer-reviewed

N Nakagawa, H Hasegawa, H Kanai

2004 IEEE Ultrasonics Symposium, Vols 1-3　1506-1509　2004

ISSN： 1051-0117

Ultrasound imaging of propagation of rapid and minute velocity components in heart wall Peer-reviewed

H Kanai, Y Koiwa

ACOUSTICAL IMAGING, VOL 27　27　439-446　2004

ISSN： 0270-5117

Detection of lumen-intima interface of posterior wall for measurement of elasticity of the human carotid artery Peer-reviewed

H Hasegawa, H Kanai, Y Koiwa

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　51　(1)　93-108　2004/01

DOI： 10.1109/TUFFC.2004.1268471 　

ISSN： 0885-3010

Elasticity imaging of atheroma with transcutaneous ultrasound both in longitudinal-axis and short-axis planes Invited Peer-reviewed

H Kanai, H Hasegawa, N Nakagawa

STATE OF THE ART: ULTRASONICS IN MEDICINE　1274　64-74　2004

DOI： 10.1016/j.ics.2004.07.029 　

ISSN： 0531-5131

Viscoelasticity measurement of heart wall in in vivo Peer-reviewed

H Kanai

2004 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-3　482-485　2004

ISSN： 1051-0117

Imaging of cross-sectional elasticity in short-axis plane of arterial wall by transcutaneous ultrasound Peer-reviewed

Nozomi Nakagawa, Hideyuki Hasegawa, Hiroshi Kanai

Proceedings - IEEE Ultrasonics Symposium　2　1506-1509　2004

DOI： 10.1109/ULTSYM.2004.1418088 　

ISSN： 1051-0117

Transcutaneous measurement of viscoelasticity of arterial wall by application of remote actuation Peer-reviewed

H Hasegawa, H Kanai

2004 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-3　1254-1257　2004

ISSN： 1051-0117

Generation of regional strain inside object using acoustic radiation forces Peer-reviewed

Y Nishio, N Hashimoto, H Hasegawa, H Kanai

2004 IEEE Ultrasonics Symposium, Vols 1-3　1773-1776　2004

ISSN： 1051-0117

Construction of reference data for classification of elasticity images of arterial wall Peer-reviewed

J Inagaki, H Hasegawa, H Kanai, M Ichiki, F Tezuka

2004 IEEE Ultrasonics Symposium, Vols 1-3　2161-2164　2004

DOI： 10.1109/ULTSYM.2004.1418266 　

ISSN： 1051-0117

Measurement and Imaging of Heart Wall Vibration and Change in Thickness Using Transcutaneous Ultrasound Peer-reviewed

Hiroshi Kanai

The 3rd International Symposium on Future Medical Engneering based on Bio-nanotechnology(21st Century COE Program)　64-67　2003/11

Ultrasonic Measurement of Regional Elasticity for Tissue Characterization of Arterial Wall Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai, Masataka Ichiki, Fumiaki Tezuka, Yoshiro Koiwa

The 3rd International Symposium on Future Medical Engineering based on Bio-nanotechnology(21st Century COE Program)　68-71　2003/11

Transmural Myocardial Heterogeneity Determines Diastolic Failure in Hypertrophic Cardiomyopathy Peer-reviewed

Yoshiro Koiwa, Hiroshi Kanai, Hideichi Kamada, Jun Ikeda

American Heart Association Scientific Sessions 2003 1582/C109, APS.64.2, Circulation　2003/11

Cross-Sectional Elasticity Imaging of Carotid Arterial Wall in Short-Axis plane. Peer-reviewed

Nozomi Nakagawa, Hideyuki Hasegawa, Hiroshi Kanai

7th Sendai Symposium on Ultrasonic Tissue Characterization　2003/09

Ultrasonic Measurement of Changes in Arterial Wall Thickness Due to Remote Actuation at Multiple Frequencies for Assessment of Viscoelasticity Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

7th Sendai Symposium on Ultrasonic Tissue Characterization　2003/09

Ultrasonic measurement of minute displacement of object cyclically actuated by acoustic radiation force Peer-reviewed

K Michishita, H Hasegawa, H Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　42　(7A)　4608-4612　2003/07

DOI： 10.1143/JJAP.42.4608 　

ISSN： 0021-4922

Elasticity imaging of atheroma with transcutaneous ultrasound preliminary study Peer-reviewed

H Kanai, H Hasegawa, M Ichiki, F Tezuka, Y Koiwa

CIRCULATION　107　(24)　3018-3021　2003/06

DOI： 10.1161/01.CIR.0000078633.31922.8A 　

ISSN： 0009-7322

Measurement of change in wall thickness of cylindrical shell due to cyclic remote actuation for assessment of viscoelasticity of arterial wall Peer-reviewed

H Hasegawa, H Kanai, Y Koiwa, JP Butler

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　42　(5B)　3255-3261　2003/05

DOI： 10.1143/JJAP.42.3255 　

ISSN： 0021-4922

Measurement of rapid variation in ultrasound backscattering during change in thickness of tissue phantom Peer-reviewed

H Kanai, Y Koiwa, S Katsumata, N Izumi, M Tanaka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　42　(5B)　3239-3245　2003/05

DOI： 10.1143/JJAP.42.3239 　

ISSN： 0021-4922

2003 IEEE International Ultrasonic Symposium Held in Honolulu

Kanai, H.

Journal of Medical Ultrasonics　30　(6)　2003

Imaging of elasticity distribution in arterial wall by transcutaneous ultrasound and electronic staining

Kanai, H., Hasegawa, H., Ichiki, M., Tezuka, F., Koiwa, Y.

Rinsho byori. The Japanese journal of clinical pathology　51　(8)　2003

Measurement and analysis of vibration in the myocardium telescopic motion for novel echo-graphic diagnosis Peer-reviewed

Hiroshi Kanai, Shin-Ichi Katsumata, Hideyuki Honda, Yoshiro Koiwa

Acoustical Science and Technology　24　(1)　17-22　2003/01

DOI： 10.1250/ast.24.17 　

ISSN： 1346-3969

Advanced Technologies in In-Vivo Functional Imaging Peer-reviewed

Keizo Ishii, Hiroshi Kanai, Masatoshi Itoh, Kazuhiko Yanai, Hiroshi Fukuda

The 1st International Symposium of Future Medical Engineering based on Bio-nanotechnology　30-32　2003/01

Imaging of wavefron propagation of rapid velocity components in heart wall at end-systole Peer-reviewed

H Kanai

2003 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　1A-3　17-20　2003

ISSN： 1051-0117

Development of real-time elastic characteristics measurement system for ultrasonic-based tissue characterization of arterial wall Peer-reviewed

M Kato, M Hashimoto, Y Tan-naka, H Hasegawa, H Kanai, Y Koiwa

2003 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　P1C-2　1195-1198　2003

ISSN： 1051-0117

Measurement of elastic moduli of cylindrical shell at multiple frequencies by remote actuation for assessment of viscoelastic properties of arterial wall Peer-reviewed

H Hasegawa, H Kanai

2003 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　P1C-3　1199-1202　2003

ISSN： 1051-0117

Electronic staining: Elasticity imaging of atheroma with transcutaneous ultrasound Peer-reviewed

H Kanai, H Hasegawa, M Ichiki, F Tezuka, Y Koiwa

2003 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　1C-4　220-223　2003

ISSN： 1051-0117

Ultrasonic measurement of micro-order displacement of phantom actuated by acoustic radiation force under safety guidlines Peer-reviewed

H Kanai, K Michishita, Y Nishio, H Hasegawa

2003 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　P2F-2　1610-1613　2003

ISSN： 1051-0117

Clinical demonstration of functional wave front of the intramyocardial ischemic region in patients with coronary stenosis Peer-reviewed

BH Ong, Y Koiwa, M Sutoh, K Iwabuchi, Y Kagaya, J Watanabe, H Hasegawa, H Kanai, K Shirato

2003 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　P2B-2　1843-1846　2003

ISSN： 1051-0117

Imaging of cross-sectional elasticity in short-axis plane of arterial wall by transcutaneous ultrasound Peer-reviewed

N Nakagawa, H Hasegawa, H Kanai

2003 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　P3D-4　1887-1890　2003

ISSN： 1051-0117

Measurement of change in thickness of cylindrical shell caused by remote actuation of assessment of viscoelasticity of arterial wall Peer-reviewed

H Hasegawa, H Kanai, Y Koiwa, JP Butler

IEEE EMBS APBME 2003　56-57　2003

DOI： 10.1109/APBME.2003.1302581 　

Carotid Artery Intima-Media Elasticity Measured by Ultrasonography in Subjects with Normal

Hiroshi Kanai, Masaru Watanabe, Hideyuki Hasegawa, Yoshiro Koiwa

American Heart Association Scientific Sessions 2002 abstract number: 2198, Circulation　206　(29)　II-442　2002/11/05

Left ventricular transmural systolic function by high-sensitivity velocity measurement "phased-tracking method" across the septum in doxorubicin cardiomyopathy Peer-reviewed

Y Koiwa, H Kanai, H Hasegawa, Y Saitoh, K Shirato

ULTRASOUND IN MEDICINE AND BIOLOGY　28　(11-12)　1395-1403　2002/11

DOI： 10.1016/S0301-5629(02)00644-0 　

ISSN： 0301-5629

The Distortion from the Physiological Profile of the Transmural Systolic Function of the Myocardium in Doxorubicin Cardiomyopathym Peer-reviewed

Koiwa Yoshiro, Kanai Hiroshi, Saitoh Yoshiko, Hasegawa Hideyuki

2002 IEEE International Ultrasonics Symposium Proceedings　P2B-1　1278-1281　2002/10

Tissue Characterization by Transcutaneous Measurement of Elastic Moduli of Tissue Components in Atherosclerotic Plaques Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai, Yoshiro Koiwa, Masataka Ichiki, Fumiaki Tezuka

6th Ultrasonic Tissue Characterization　2002/09

Ultrasonic Measurement of Minute Displacement of Object Actuated by Acoustic Radiation Force Peer-reviewed

Kazuaki Michishita, Hideyuki Hasegawa, Hiroshi Kanai

6th Ultrasonic Tissue Characterization　2002/09

Measurement of Shear Viscoelasticity of Arterial Wall from Frequency Characteristics in Attenuation of Shear Wave Propagating from Intima to Adventitia Peer-reviewed

Kazuhiro Sunagawa, Hiroshi Kanai, Yoshiro Koiwa

6th Ultrasonic Tissue Characterization　2002/09

Systolic heterogeneity of transmural myocardial function in normal subjects: Physiological functional heterogeneity Peer-reviewed

Y Koiwa, H Kamada, M Inose, K Shirato, Y Saito, H Hasegawa, H Kanai

TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE　197　(3)　183-187　2002/07

DOI： 10.1620/tjem.197.183 　

ISSN： 0040-8727

eISSN： 1349-3329

Modified phased tracking method for measurement of change in thickness of arterial wall Peer-reviewed

H Hasegawa, H Kanai, Y Koiwa

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　41　(5B)　3563-3571　2002/05

DOI： 10.1143/JJAP.41.3563 　

ISSN： 0021-4922

Optimization of condition of ultrasonic beam for measurement of small change in thickness of arterial wall Peer-reviewed

M Watanabe, H Hasegawa, H Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　41　(5B)　3613-3618　2002/05

DOI： 10.1143/JJAP.41.3613 　

ISSN： 0021-4922

Spectrum Analysis of Ssmall Vibrations in Regional Area of the Heart Wall for Tissue Characterization Peer-reviewed

Hiroshi Kanai

The first Japanese-Danish workshop on plaque characterization　2002/02

Characterization of Blood-flow-based Vibration Propagation from Intima to Adventitia for Viscoelasticity Estimation of Arterial Wall Peer-reviewed

Kazuhiro Sunagawa, Hiroshi Kanai

The first Japanese-Danish workshop on plaque characterization　2002/02

Automatic Boundary Detection of Posterior Wall of Carotid Artery in Ultrasonic Images Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

The first Japanese-Danish workshop on plaque characterization　2002/02

A Method for Reduction of Estimation Error in Measurement of Small Change in Thickness of Arterial Wall Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai

The first Japanese-Danish workshop on plaque characterization　2002/02

Investigation of Ultrasonic Beam Forming in Accurate Measurement of Small Changes in arterial wall thickness Peer-reviewed

Masaru Watanabe, Hiroshi Kanai

The first Japanese-Danish workshop on plaque characterization　2002/02

Spectrum Analysis of Small Vibrations in Regional Area of the Heart Wall for Tissue Characterization Peer-reviewed

Hiroshi Kanai, Yoshiro Koiwa

The first Japanese-Danish symposium on plaque characterization　2002/02

Characterization of Blood-flow-based Bibration Propagation from Intima to Adventitia for Viscoelasticity Estimation of Arterial Wall Peer-reviewed

Kazuhiro Sunagawa, Hiroshi Kanai, Yoshiro Koiwa, Motonao Tanaka

The first Japanese-Danish symposium on plaque characterization　2002/02

Automatic Boundary Eetection of Posterior Wall of Carotid Artery in Ultrasonic Images Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai, Yoshiro Koiwa

The first Japanese-Danish symposium on plaque characterization　2002/02

Investigation of Ultrasonic Beam Forming in Accurate Measurement of Small Changes in Arterial Wall Thickness Peer-reviewed

Masaru Watanabe, Hideyuki Hasegawa, Hiroshi Kanai, Yoshiro Koiwa

The first Japanese-Danish symposium on plaque characterization　2002/02

The distortion from the physiological profile of the transmural systolic function of the myocardium in doxorubicin cardiomyopathy Peer-reviewed

Y Koiwa, K Shirato, Y Saitoh, H Hasegawa, H Kanai

2002 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　1309-1312　2002

ISSN： 1051-0117

Measurement of propagation speed of pulsive wave in heart wall at end-systole Peer-reviewed

H Kanai, Y Koiwa

2002 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　P2B-2　1313-1316　2002

ISSN： 1051-0117

Measurement of elastic moduli of tissue components in atherosclerotic plaques by ultrasonic phased tracking method Peer-reviewed

H Hasegawa, H Kanai, Y Koiwa, M Ichiki, F Tezuka

2002 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　P1C-7　1847-1850　2002

ISSN： 1051-0117

Time-frequency analysis of vibration propagation from intima to adventitia of arterial wall Peer-reviewed

K Sunagawa, H Kanai, Y Koiwa, M Tanaka

2002 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　P2B-5　1325-1328　2002

ISSN： 1051-0117

Investigation of novel phantom in consideration of acoustic and optical characteristics and development of assessment technique for mimute change in thickness measured by ultrasound Peer-reviewed

M Kato, T Suginouchi, M Hashimoto, H Kanai

2002 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　P1C-4　1843-1846　2002

ISSN： 1051-0117

Regional Differences in the Frequency of the Rapid Variation in Myocardial Integrated Backscatter

Shin-ichi Katsumata, Hiroshi Kanai, Hideyuki Honda, Yoshiro Koiwa, Motonao Tanaka

5th Ultrasonic Tissue Characterization　2001/10

Availability for Diagnosis of Early Stage Atherosclerosis by Measurement of Small Change in Thickness of Arterial Wall

Masaru Watanabe, Hideyuki Hasegawa, Hiroshi Kanai, Yoshiro Koiwa

5th Ultrasonic Tissue Characterization　2001/10

Cross-Sectional Elastic Imaging of Arterial Wall in Intravascular Ultrasonography

Hiroshi Kanai, Hitoshi Mita, Yoshiro Koiwa

17th International Congress on Acoustics　25　143　2001/09

Study on Characteristics of Acoustic Lens for Measurement of Small Change in Thickness of Arterial Wall

Masaru Watanabe, Hiroshi Kanai

4th Ultrasonic Tissue Characterization　2001/09

Transcutaneous Measurement of Rapid Variation in Myocardial Integrated Backscatter during one Cardiac Cycle

Shin-ichi Katsumata, Hiroshi Kanai, Hideyuki Honda, Yoshiro Koiwa, Motonao Tanaka

4th Ultrasonic Tissue Characterization　2001/09

Evaluation of Elastic Property by Ultrasonic Measurement of Small Change in Thickness of Arterial Wall

Hideyuki Hasegawa, Masaru Watanabe, Hiroshi Kanai, Yoshiro Koiwa

4th Ultrasonic Tissue Characterization　2001/09

Cross-sectional elastic imaging of arterial wall using intravascular ultrasonography Peer-reviewed

H Mita, H Kanai, Y Koiwa, M Ichiki, F Tezuka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　40　(7)　4753-4762　2001/07

DOI： 10.1143/JJAP.40.4753 　

ISSN： 0021-4922

Correlation between Simultaneously Measured Arterial Wall Vibration and Blood Flow

Kazuhiro Sunagawa, Hiroshi Kanai, Nozomu Hoshimiya, Yoshiro Koiwa, Motonao Tanaka

Abstract Book of Ultrasonic International 2001　C1.03　2001/07

Optimization of focal position of ultrasonic beam in measurement of small change in arterial wall thickness Peer-reviewed

M Watanabe, H Kanai

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　40　(5B)　3918-3921　2001/05

DOI： 10.1143/JJAP.40.3918 　

ISSN： 0021-4922

Myocardial rapid velocity distribution Peer-reviewed

H Kanai, Y Koiwa

ULTRASOUND IN MEDICINE AND BIOLOGY　27　(4)　481-498　2001/04

DOI： 10.1016/S0301-5629(01)00341-6 　

ISSN： 0301-5629

Spatial Distribution of Eigenvibration on the Heart Wall

Hiroshi Kanai, Yoshiro Koiwa

Proceedings of the 25th International Symposium on Acoustical Imaging　25　413-418　2001/03

Simultaneous measurement of vibrations on arterial wall upstream and downstream of arteriostenosis lesion and their analysis

Kazuhiro Sunagawa, Hiroshi Kanai, Yoshiro Koiwa, Keiko Nitta, Motonao Tanaka

Journal of Medical Ultrasonics　28　(WINTER)　157-173　2001

DOI： 10.1007/bf02481353 　

ISSN： 1344-1388

Evaluation of regional elastic modulus of cylindrical shell with nonuniform wall thickness

Hideyuki, H., Hiroshi, K., Nozomu, H., Yoshiro, K.

Journal of Medical Ultrasonics　28　(1)　2001

Reason of academic strength in bioengineering of United States

Kanai, H.

Journal of Medical Ultrasonics　28　(7)　2001

不均一な壁厚を有する管の局所壁弾性率の計測法 Peer-reviewed

Hideyuki Hasegawa, Hiroshi Kanai, Nozomu Hoshimiya, Yoshiro Koiwa

超音波医学　28　(1)　J3-J14　2001/01

Magnitude of transmural heterogeneity as a dominant factor for LVEDP elevation in HCM

Y Koiwa, H Kamada, J Ikeda, M Inose, K Shirado, Y Saito, H Honda, H Kanai, H Hasegawa

2001 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　2　1245-1248　2001

ISSN： 1051-0117

Quantitative assessment of the phase tracking method for measurement of the elastic characteristics of arterial wall

T Suginouchi, M Kato, M Hashimoto, Y Tan-naka, H Kanai

2001 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　2　1605-1608　2001

ISSN： 1051-0117

３次元音場の模擬による動脈壁厚変化計測の精度検討 Peer-reviewed

渡辺 優, 長谷川 英之, 金井 浩

日本音響学会誌　58　(11)　696-703　2001

DOI： 10.20697/jasj.58.11_696 　

Spatial Distribution of Small Vibration in Heart Wall

Hiroshi Kanai, Yoshiro Koiwa

Proceedings of WESTPRAC VII　2　1279-1284　2000/10

Reduction of influence of decrease in signal-to-noise ratio in measurement of change in thickness of arterial wall due to heartbeat Peer-reviewed

H Hasegawa, H Kanai, N Hoshimiya, Y Koiwa

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　39　(5B)　3257-3261　2000/05

DOI： 10.1143/JJAP.39.3257 　

ISSN： 0021-4922

Simultaneous Measurement of Vibrations on Arterial Wall Upstream and Downstream of Arteriostrenosis Lesion and Their Analysis Peer-reviewed

SUNAGAWA Kazuhiro, KANAI Hiroshi, KOIWA Yoshiro, NITTA Keiko, TANAKA Motonao

Journal of Medical Ultrasonics　27　(1)　15-31　2000/01/15

ISSN： 1346-1176

Simultaneous measurement of vibrations on arterial wall upstream and downstream of arteriostenosis lesion and their analysis

Sunagawa Kazuhiro, Kanai Hiroshi, Koiwa Yoshiro, Nitta Keiko, Tanaka Motonao

Journal of Medical Ultrasonics　27　(1)　15-31　2000

ISSN： 1344-1388

2000 IEEE Ultrasonic Symposium

Kanai, H.

Journal of Medical Ultrasonics　27　(11)　2000

Real-time velocimetry for evaluation of change in thickness of arterial wall Peer-reviewed

Hiroshi Kanai, Yoshiro Koiwa

Ultrasonics　38　(1)　381-386　2000

DOI： 10.1016/S0041-624X(99)00118-3 　

ISSN： 0041-624X

Onset of pulsatile waves in the heart walls at end-systole Peer-reviewed

Hiroshi Kanai, Sachiko Yonechi, Ikuko Susukida, Yoshiro Koiwa, Hide-Ichi Kamada, Motonao Tanaka

Ultrasonics　38　(1)　405-411　2000

DOI： 10.1016/S0041-624X(99)00117-1 　

ISSN： 0041-624X

Measurement of high velocity distribution of the myocardium

H Kanai, Y Koiwa

2000 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　2　1277-1280　2000

ISSN： 1051-0117

Transcutaneous measurement of frequency dispersion in the regional pulse wave velocity

H Kanai, A Umezawa, Y Koiwa

2000 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　2　1281-1284　2000

ISSN： 1051-0117

A method for evaluation of regional elasticity of arterial wall with non-uniform wall thickness by measurement of its change in thickness during an entire heartbeat

H Hasegawa, H Kanai, N Hoshimiya, Y Koiwa, E Fushimi, M Ichiki

2000 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　2　1829-1832　2000

ISSN： 1051-0117

Simultaneous measurement of blood flow and arterial wall vibrations in radial and axial directions

K Sunagawa, H Kanai, M Tanaka

2000 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　2　1541-1544　2000

ISSN： 1051-0117

Imaging of cross-sectional elasticity of arterial wall using intravascular ultrasonography (IVUS)

H Mita, H Kanai, Y Koiwa, M Ichiki, F Tezuka

2000 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　2　1861-1864　2000

ISSN： 1051-0117

Noninvasive Measurement of Stiffness and Density of Bone for Its Diagnosis Using Ultrasound Peer-reviewed

Hitoshi Asai, Hiroshi Kanai

Journal of Medical Ultrasonics　26　(10)　1027-1033　1999/10

Real-time measurements of local myocardium motion and arterial wall thickening Peer-reviewed

H Kanai, Y Koiwa, JP Zhang

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　46　(5)　1229-1241　1999/09

DOI： 10.1109/58.796128 　

ISSN： 0885-3010

Accuracy evaluation in ultrasonic-based measurement of microscopic change in thickness Peer-reviewed

H Kanai, K Sugimura, Y Koiwa, Y Tsukahara

ELECTRONICS LETTERS　35　(12)　949-950　1999/06

DOI： 10.1049/el:19990669 　

ISSN： 0013-5194

Physiological Meanings of Velocity Signals in the Heart Walls

Hiroshi Kanai, Sachiko Yonechi, Yoshiro Koiwa, Ikuko Susukida, Yoshiko Saito, Yoshiro Uzuka

Proceedings of the Ultrasonics International 1999 & World Congress on Ultrasonics 99　1999/06

Realtime Velocimetry for Evaluation of Change in Thickness and Diameter of Arterial Wall

Hiroshi Kanai, Akiko Umezawa, Yoshiro Koiwa

Proceedings of the Ultrasonics International 1999 & World Congress on Ultrasonics 99　1999/06

In vivo measurement of small velocity signals and change in thickness of the heart walls Peer-reviewed

H Kanai, Y Koiwa, Y Saito, Susukida, I, M Tanaka

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　38　(5B)　3403-3408　1999/05

DOI： 10.1143/JJAP.38.3403 　

ISSN： 0021-4922

Vulnerability of a plaque searched by noninvasive, novel Doppler technique

Yoshiro Koiwa, Hiroshi Kanai, Hideyuki Hasegawa, Hide-ichi Kamada, Hisao Chikama, Kunio Shirado, Noriyoshi Chubachi, Etsuko Fushimi, Masato Hayashi

Abstracts of the 1st International Congress on Heart Disease- New Trends in Research, Diagnosis and Treatment　117　30　1999/05

Noninvasive estimation of left-ventricular end-diastole elasticity by analysing heart wall vibrations Peer-reviewed

H Kanai, S Nakaya, H Honda, Y Koiwa

ELECTRONICS LETTERS　35　(10)　765-766　1999/05

DOI： 10.1049/el:19990531 　

ISSN： 0013-5194

Noninvasive measurement of Left Ventricular End-Diastolic Pressure and Myocardial Elasticity by Analysis of Small Vibration on Heart Wall Peer-reviewed

Shigemitsu Nakaya, Hiroshi kanai, Noriyoshi Chubachi, Hideyuki Honda, Yoshiro Koiwa

Japanese Journal of Medical Electronics and Biological Engineering　13　(3)　1-8　1999/04

DOI： 10.11239/jsmbe1963.37.1 　

PARCORR-based time-dependent AR spectrum estimation of heart wall vibrations Peer-reviewed

H Kanai, Y Koiwa

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES　E82A　(4)　572-579　1999/04

ISSN： 0916-8508

eISSN： 1745-1337

Study of the cause of the temperature rise at the muscle-bone interface during ultrasound hyperthermia

Fujii, M., Sakamoto, K., Toda, Y., Negishi, A., Kanal, H.

IEEE Transactions on Biomedical Engineering　46　(5)　1999

DOI： 10.1109/10.759050 　

Clinical and experimental study on micron-order myocardial layer function by novel Doppler device

H Kamata, Y Koiwa, H Kanai, K Sugimura, Y Saito, F Tezuka, K Shirato

XXI CONGRESS OF THE EUROPEAN SOCIETY OF CARDIOLOGY　571-575　1999

Control of multiple risk factors for coronary artery disease causes changes in carotid arterial wall elasticity prior to changes in wall thickness.

Y Koiwa, H Kanai, H Hasegawa, H Kamada, H Chikama, K Shirato

XXI CONGRESS OF THE EUROPEAN SOCIETY OF CARDIOLOGY　75-79　1999

Importance of regional myocardial layer function by phased tracking method in doxorubicin cardiomyopathy

Y Koiwa, H Kamada, K Shirato, Y Saitoh, H Kanai

1999 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　2　1333-1336　1999

ISSN： 1051-0117

Reduction of influence of decrease in SNR of ultrasonic pulse during cardiac cycle in measurement of small change in thickness of arterial wall

H Hasegawa, H Kanai, N Hoshimiya, Y Koiwa

1999 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　2　1337-1340　1999

ISSN： 1051-0117

Simultaneous measurement of vibrations on the arterial wall downstream and upstream from an atherosclerotic lesions

K Sunagawa, H Kanai, Y Koiwa, K Nitta, M Tanaka

1999 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　2　1507-1510　1999

ISSN： 1051-0117

Real-time evaluation of transient response of arterial wall elasticity to administration of nitroglycerine

H Kanai, Y Koiwa

1999 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 AND 2　2　1541-1544　1999

ISSN： 1051-0117

Clinical and experimental study on micron-order myocardial layer function in human cardiomyopathy by novel Doppler method

Yoshiro Koiwa, Hiroshi Kanai, Hideyuki Hasegawa, Yoshiko Saitoh, Hide-ichi Kamada, Fumiaki Tezuka, Kohshiro Sugimura

Proceedings of the 10th Congress of the International Cardiac Doppler Society　O3-2　1998/11

Vulnerability of a plaque searched by noninvasive novel Doppler technique

Yoshiro Koiwa, Hiroshi Kanai, Hideyuki Hasegawa, Hide-ichi Kamada, Hisao Chikama, Kunio Shirato, Noriyoshi Chubachi, Etsuko Fushimi, Masato Hayashi

Proceedings of the 10th Congress of the International Cardiac Doppler Society　O4-2　1998/11

Myocardial thickening in RV-wall, IVS, and LV-wall in human cardiomyopathy evaluated transcutaneously

Hiroshi Kanai, Ikuko Susukida, Yoshiro Koiwa, Yoshiko Saitoh, Yoshiro Uzuka

Proceedings of the 10th Congress of the International Cardiac Doppler Society　10　1998/11

Non-invasive estimation of human left ventricular end-diastolic pressure Peer-reviewed

H Honda, S Nakaya, H Kamada, H Hasegawa, J Demachi, H Chikama, K Sugimura, Y Yamamoto, N Kumasaka, T Takita, J Ikeda, H Kanai, Y Koiwa, K Shirato

MEDICAL ENGINEERING & PHYSICS　20　(6)　485-488　1998/09

DOI： 10.1016/S1350-4533(98)00029-0 　

ISSN： 1350-4533

Noninvasive Evaluation of Myocardial Layer Function Across the Ventricular Wall in Human Cardiomyopathy by Novel Ultrasonic Doppler Method

Yoshiro Koiwa, Hiroshi Kanai, Hideyuki Hasegawa, Yoshiko Saitoh, Hide-ichi Kamada, Hideyuki Honda, Kunio Shirado, Noriyoshi Chubachi

Proceedings of the 3rd World Congress of Biomechanics　1998/08

Elasticity of Thin (Tenth-Micron Order Thickness) Layers Across the Atheromatous Plaque Searched by Novel Doppler Technique

Yoshiro Koiwa, Hiroshi Kanai, Hideyuki Hasegawa, Hide-ichi Kamada, Hisao Chikama, Hideyuki Honda, Noriyoshi Chubachi

Proceedings of the 3rd World Congress of Biomechanics　1998/08

Frequency analysis of change in thickness of arterial wall Peer-reviewed

HASEGAWA Hideyuki, KANAI Hiroshi, HOSHIMIYA Nozomu, CHUBACHI Noriyoshi, KOIWA Yoshiro

The Journal of the Acoustical Society of Japan　54　(7)　473-481　1998/07/01

DOI： 10.20697/jasj.54.7_473 　

ISSN： 0369-4232

Noninvasive Evaluation of Cardiomyopathy by Measuring Thickness Change in Local Myocardium Peer-reviewed

SUGIMURA Kohshiro, KANAI Hiroshi, CHUBACHI Noriyoshi, TSUKAHARA Yasuo, KOIWA Yoshiro, KAMADA Hideichi, TEZUKA Fumiaki

Japanese Journal of Medical Ultrasonics　25　(5)　23-29　1998/05/15

ISSN： 1344-1388

Dependence of elastic modulus an inner pressure of tube wall estimated from measured pulse wave velocity Peer-reviewed

M Takano, H Kanai, N Hoshimiya, N Chubachi

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES　E81A　(5)　889-894　1998/05

ISSN： 0916-8508

eISSN： 1745-1337

Accuracy evaluation in the measurement of a small change in the thickness of arterial walls and the measurement of elasticity of the human carotid artery Peer-reviewed

H Hasegawa, H Kanai, N Hoshimiya, N Chubachi, Y Koiwa

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　37　(5B)　3101-3105　1998/05

DOI： 10.1143/JJAP.37.3101 　

ISSN： 0021-4922

Noninvasive evaluation of cardiomyopathy by measuring thickness change in local myocardium

K. Sugimura, H. Kanai, N. Chubachi, Y. Tsukahara, Y. Koiwa, H. Kamada, F. Tezuka

Journal of Medical Ultrasonics　25　(5)　23-29　1998

ISSN： 0287-0592

Fundamental policy of basic study in university

Kanai, H.

Journal of Medical Ultrasonics　25　(10)　1998

Imaging spatial distribution of high-frequency small vibrations on the heart wall

H Kanai, S Nakaya, N Chubachi, Y Koiwa

1998 IEEE ULTRASONICS SYMPOSIUM - PROCEEDINGS, VOLS 1 AND 2　PK-8　(II)　1689-1692　1998

ISSN： 1051-0117

Real-time velocimetry for evaluation of change in thickness of myocardium and arterial wall

H Kanai, N Chubachi, Y Koiwa, M Tanaka

1998 IEEE ULTRASONICS SYMPOSIUM - PROCEEDINGS, VOLS 1 AND 2　KK3　(II)　1365-1368　1998

ISSN： 1051-0117

C-mode imaging of reflection ratio on curved surface of bone

T Ishii, Y Nakamori, H Kanai, N Chubachi

1998 IEEE ULTRASONICS SYMPOSIUM - PROCEEDINGS, VOLS 1 AND 2　VV-6　(II)　1401-1404　1998

ISSN： 1051-0117

Measurement of local elasticity of human carotid arterial walls and its relationship with risk index of atherosclerosis

H Hasegawa, H Kanai, N Hoshimiya, N Chubachi, Y Koiwa

1998 IEEE ULTRASONICS SYMPOSIUM - PROCEEDINGS, VOLS 1 AND 2　PK-4　(II)　1451-1454　1998

ISSN： 1051-0117

Regional myocardial layer function in Doxorubicin cardiomyopathy; Clinical evaluation using novel ultrasonic Doppler method

Y Koiwa, H Kamada, H Kanai, K Sugimura, F Tezuka, Y Saitoh, H Honda, K Shirato, N Chubachi

1998 IEEE ULTRASONICS SYMPOSIUM - PROCEEDINGS, VOLS 1 AND 2　PK-10　(II)　1455-1458　1998

ISSN： 1051-0117

Noninvasive evaluation of bone stiffness by combining microdefocusing method and reflectance method

H Asai, H Kanai, N Chubachi

1998 IEEE ULTRASONICS SYMPOSIUM - PROCEEDINGS, VOLS 1 AND 2　PY-1　(II)　1459-1462　1998

ISSN： 1051-0117

Evaluation of Elastic Property ofthe Arterial Wall

Hideyuki Hasegawa, Masashi Ozawa, Hiroshi Kanai, Nozomu Hoshimiya, Noriyoshi

IEEE 1997 International Ultrasonic Symposium Proceedings　2　1169-1172　1997/10

Noninvasive Accurate Measurement of Change in Thickness of Arterial Wall and Evaluation of its Elastic Characteristics Using Ultrasound

Hideyuki Hasegawa, Masashi Ozawa, Hiroshi Kanai, Noriyoshi Chubachi, Yoshiro Koiwa

1997 IEEE International Ultrasonics Symposium Proceedings　2　1169-1172　1997/10

Noninvasive Evaluation of Local Myocardial Thickening Using Ultrasound

Hiroshi Kanai, Kohshiro Sugimura, Noriyoshi Chubachi, Yoshiro Koiwa, Eiichi Kamata, Yoshiko Saito, Motonao Tanaka

Proceedings of the 1997 World Congress on Ultrasonics　3Cd2　500-501　1997/08

Noninvasive Evaluation of Local Elastic Property of Arterial Wall Using Ultrasound

Hideyuki Hasegawa, Hiroshi Kanai, Nozomu Hoshimiya, Noriyoshi Chubachi, Yoshiro Koiwa

Proceedings of the 1997 World Congress on Ultrasonics　2CP23　386-387　1997/08

Waveform Analysis of Displacement, Velocity, and Acceleration on Human Arterial Wall Noninvasively Measured Using Ultrasound

Masashi Ozawa, Hiroshi Kanai, Noriyoshi Chubachi

Proceedings of the 1997 World Congress on Ultrasonics　2CP25　390-391　1997/08

Reflection-type Ultrasonic Equipment for Bone Diagnosis

Noriyoshi Chubachi, Hiroshi Kanai, Toshio Sannomiya, Hitoshi Asai

Proceedings of the 1997 World Congress on Ultrasonics　2CP16　372-373　1997/08

Noninvasive evaluation of local myocardial thickening and its color coded imaging Peer-reviewed

H Kanai, H Hasegawa, N Chubachi, Y Koiwa, M Tanaka

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　44　(4)　752-768　1997/07

DOI： 10.1109/58.655190 　

ISSN： 0885-3010

Analysis of small vibrations on the arterial wall measured using ultrasound in in vivo Peer-reviewed

OZAWA Masashi, KANAI Hiroshi, CHUBACHI Noriyoshi

The Journal of the Acoustical Society of Japan　53　(7)　517-523　1997/07/01

DOI： 10.20697/jasj.53.7_517 　

ISSN： 0369-4232

Evaluation of the elastic modulus of the arterial wall by accurate noninvasive measurement of change in its thickness Peer-reviewed

Hasegawa, H., Kanai, H., Chubachi, N., Koiwa, Y.

Journal of Medical Ultrasonics　24　(6)　851-860　1997/06

Evaluation of local elastic characteristics by accurate noninvasive measurement of small vibrations on arterial wall Peer-reviewed

HASEGAWA Hideyuki, KANAI Hiroshi, CHUBACHI Noriyoshi, KOIWA Yoshiro

Journal of the Acoustical Society of Japan　53　(5)　346-351　1997/05

DOI： 10.20697/jasj.53.5_346 　

ISSN： 0369-4232

Evaluation of the Left Ventricular Local Motion and Local Thickness Changes in the Normal Subjects and the Patients with Dilated Cardiomyopathy

Keiko Nitta, Yoshiaki Katahira, Shigeo Sugawara, Hiroshi Akiho, Noboru Ohsawa, Motonao Tanaka, Shin-ichi Nitta, Hiroshi Kanai

Proceedings of the 7th Asian-Pacific Conference on Doppler and Echocardiography and the 8th Annual Meeting of the Japanese Society of Echocardiography　1997/05

Accurate power spectrum estimation of a damped sinusoidal signal in low SNR cases based on a newly defined transfer function Peer-reviewed

H Kanai, M Imai, N Chubachi

ACUSTICA　83　(2)　297-303　1997/03

ISSN： 0001-7884

Non-invasive evaluation of Poisson's ratio of arterial wall using ultrasound Peer-reviewed

H Hasegawa, H Kanai, N Chubachi, Y Koiwa

ELECTRONICS LETTERS　33　(4)　340-342　1997/02

DOI： 10.1049/el:19970219 　

ISSN： 0013-5194

Quantitative evaluation of bending components in propagation of small vibrations on vessel wall

M Takano, H Kanai, N Chubachi, Y Koiwa, N Hoshimiya

PROCEEDINGS OF THE 18TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOL 18, PTS 1-5　18　(5.3.1-5)　1316-1317　1997

Time dependent autoregressive spectrum estimation of heart wall vibrations

H Kanai, M Sato, N Chubachi

1997 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS I - V　3　2013-2016　1997

Noninvasive evaluation of spatial distribution of local instantaneous strain energy in heart wall

H Kanai, H Hasegawa, N Chubachi, Y Koiwa, M Tanaka

ACOUSTICAL IMAGING, VOL 23　23　187-192　1997

ISSN： 0270-5117

Noninvasive evaluation of spatial distribution of thickness change in myocardium

H Kanai, N Chubachi, Y Koiwa, M Tanaka

1997 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1 & 2　2　1177-1180　1997

Noninvasive Measurement of Motion Velocity on Heart Wall and Its Applications

Hiroshi Kanai, Noriyoshi Chubachi, Yoshiro Koiwa, Motonao Tanaka

Proceeding of Third Joint Meeting Acoustical Societies of America and Japan　211-216　1996/12

Time-dependent Autoregressive Spectrum Estimation of Heart Wall Vibrations

Michie Sato, Hiroshi Kanai, Noriyoshi Chubachi, Yoshiro Koiwa

Proceeding of Third Joint Meeting Acoustical Societies of America and Japan　205-210　1996/12

A new method based on the microdefocusing method for measuring velocity of sound propagating on the surface of bone Peer-reviewed

Asai, H., Kanai, H., Chubachi, N.

Japanese Journal of Medical Ultrasonics　23　(12)　865-869　1996/12

Noninvasive method for measuring velocity of leaky surface skimming compressional wave propagating on bone surface Peer-reviewed

H Asai, H Kanai, N Chubachi

ELECTRONICS LETTERS　32　(24)　2290-2291　1996/11

DOI： 10.1049/el:19961470 　

ISSN： 0013-5194

eISSN： 1350-911X

Non-invasive estimation of left ventricular end-diastolic pressure by the analysis of left ventricular wall vibration

Hideyuki Honda, Yoshiro Koiwa, Taihei Naya, Hideichi Kamada, Hiroshi Kanai

12th International Congress of the Cardiovascular System Dynamics Society　1996/11

Measurement of Acoustic Impedance of Bone by Considering Reflection and Attenuation of Soft Tissue Using the Ultrasonic Reflection Method Peer-reviewed

ASAI Hitoshi, KANAI Hiroshi, CHUBACHI Noriyoshi

Jpn. J. Med. Ultrasonics　23　(9)　643-650　1996/09/15

ISSN： 0287-0592

Measurement of left ventricle end-diastolic pressure by analysis of small vibration on heart wall Peer-reviewed

SATO Michie, KANAI Hiroshi, CHUBACHI Noriyoshi, HONDA Hideyuki, KOIWA Yoshiro

The Journal of the Acoustical Society of Japan　52　(9)　703-710　1996/09/01

DOI： 10.20697/jasj.52.9_703 　

ISSN： 0369-4232

Transcutaneous measurement and spectrum analysis of heart wall vibrations Peer-reviewed

H Kanai, M Sato, Y Koiwa, N Chubachi

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　43　(5)　791-810　1996/09

DOI： 10.1109/58.535480 　

ISSN： 0885-3010

Noninvasive Measurement of Velocity Signals in a Moving Object Using Ultrasound

Michie Sato, Hiroshi Kanai, Noriyoshi Chubachi, Yoshiro Koiwa

Proceedings the Third International Conference on Motion and Vibration Control　SS2　205-210　1996/09

High-Resolution Determination of Transit Time of Ultrasound in Thin Layer by Improving Characteristics of Ultrasonic Transducer Using Cascade Inverse Matrix of 2-Terminal-pair Network Peer-reviewed

KIMURA Tomohisa, ASAI Hitoshi, KANAI Hiroshi, CHUBACHI Noriyoshi

Japanese Journal of Medical Ultrasonics　23　(6)　3-14　1996/06/15

ISSN： 0287-0592

Measurement and analysis of vibrations on surface of phantom induced by piezoelectric extracorporeal shock wave lithotripter Peer-reviewed

YS Jang, T Akasaka, M Sato, H Kanai, N Chubachi

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　35　(5B)　3163-3166　1996/05

DOI： 10.1143/JJAP.35.3163 　

ISSN： 0021-4922

Method for noninvasive estimation of left ventricular end diastolic pressure based on analysis of heart wall vibration Peer-reviewed

M Sato, H Kanai, N Chubachi, H Honda, Y Koiwa

ELECTRONICS LETTERS　32　(11)　949-950　1996/05

DOI： 10.1049/el:19960659 　

ISSN： 0013-5194

Simultaneous Measurement of Small Vibrations at Multiple Points on the Aortic Wall, and the Analysis of Their Spectra Peer-reviewed

KONDO Makoto, OZAWA Masashi, KANAI Hiroshi, CHUBACHI Noriyoshi

Japanese Journal of Medical Ultrasonics　23　(4)　271-280　1996/04/15

ISSN： 0287-0592

Design of optimum FIR filter for highly accurate weight-measurement Peer-reviewed

KAMIMULA Kunio, KANAI Hiroshi, CHUBACHI Noriyoshi

The Journal of the Acoustical Society of Japan　52　(4)　268-275　1996/04

DOI： 10.20697/jasj.52.4_268 　

ISSN： 0369-4232

High-resolution measurement of pulse wave velocity for evaluating local elasticity of arterial wall in early-stage arteriosclerosis

H Kanai

ULTRASONIC TISSUE CHARACTERIZATION　8　125-138　1996

High-resolution determination of transit time of ultrasound in a thin layer in pulse-echo method Peer-reviewed

T Kimura, H Kanai, N Chubachi

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES　E78A　(12)　1677-1682　1995/12

ISSN： 0916-8508

eISSN： 1745-1337

A New Ultrasonic Pulse Doppler-Based Method for Measuring Higher Velocity Components Peer-reviewed

Makoto Kondo, Hiroshi Kanai, Noriyoshi Chubachi

The Journal of the Institute of Electrical Engineers of Japan　115　(12)　1425-1431　1995/12

DOI： 10.1541/ieejeiss1987.115.12_1425 　

Design of optimum FIR filter for eliminating mechanical noise in weight measurement with load cell Peer-reviewed

KAMIMURA Kunio, KANAI Hiroshi, CHUBACHI Noriyoshi

The Journal of the Acoustical Society of Japan　51　(11)　845-853　1995/11

DOI： 10.11477/mf.1662901245 　

ISSN： 0369-4232

IN-VIVO MEASUREMENT OF FREQUENCY-CHARACTERISTICS OF PHASE-VELOCITY OF BONE WITH BENDING VIBRATION Peer-reviewed

H KANAI, M PARK, N CHUBACHI

ELECTRONICS LETTERS　31　(23)　1969-1971　1995/11

DOI： 10.1049/el:19951350 　

ISSN： 0013-5194

In vivo Measurement of Propagation-Velocity of Bone with Bending-Vibration with Using Distributed-Constant-Network Model

Mu-hun Park, Hiroshi Kanai, Noriyoshi Chubachi

Proceedings of 1995 World Congress on Ultrasonics　1995/09

Noninvasive Measurement of Velocity of Small Vibration on Aorta Induced by Impulsive Actuator

Hiroshi Kanai, Ryoji Murata, Masahiko Takano, Noriyoshi Chubachi, Yoshiro Koiwa

Proceedings of 17th Annual International Conference of the IEEE Engineering in Medicine and Biology Society　17　(1.2.3.3)　95-96　1995/09

ACCURATE DETERMINATION OF TRANSIT-TIME OF ULTRASOUND IN THIN-LAYERS Peer-reviewed

H KANAI, T KIMURA, N CHUBACHI

ELECTRONICS LETTERS　31　(13)　1109-1110　1995/06

DOI： 10.1049/el:19950716 　

ISSN： 0013-5194

Measurement and analysis of small vibrations on local aortic wall for diagnosis of arteriosclerosis Peer-reviewed

TAKANO Masahiko, KANAI Hiroshi, CHUBACHI Noriyoshi, KOIWA Yoshiro, TEZUKA Humiaki, TAKAHASHI Mitsuhiro

The Journal of the Acoustical Society of Japan　51　(3)　174-181　1995/03/01

DOI： 10.20697/jasj.51.3_174 　

ISSN： 0369-4232

Analysis of Small Vibrations on the Heart Wall Measured by Ultrasonic Doppler for Noninvasive Diagnosis of Cardiac Muscle Dysfunction Peer-reviewed

SATOH Hiroaki, KANAI Hiroshi, CHUBACHI Noriyoshi, KOIWA Yoshiro

Japanese J. Med. Ultrason.　22　(2)　139-146　1995/02/15

ISSN： 0287-0592

In vivo measurement of local pulse wave velocity on arterial wall of human being by detecting small vibrations for diagnosis of arteriosclerosis Peer-reviewed

KAWABE Kenichi, MURATA Ryoji, KANAI Hiroshi, CHUBACHI Noriyoshi, KOIWA Yoshiro

The Journal of the Acoustical Society of Japan　51　(2)　111-116　1995/02/01

DOI： 10.20697/jasj.51.2_111 　

ISSN： 0369-4232

A TIME-VARYING AR MODELING OF HEART WALL VIBRATION

H KANAI, N CHUBACHI, Y KOIWA

1995 INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING - CONFERENCE PROCEEDINGS, VOLS 1-5　II　941-944　1995

The diastolic vibration from the precordium increases coronary blood flow in humans

Taihei Naya, Yoshiro Koiwa, Hideyuki Honda, Hideichi Kamada, Kunio Shirato, Hiroshi Kanai, Noriyoshi Chubachi

11th International Conference of the Cardiovascular System Dynamic Society　1994/12

Measurement of velocity of small vibration on the arterial wall for diagnosis of local arteriosclerosis

CHUBACHI N.

Proc. 8th Intern. Conference on Biomedical Engineering., 1994　415-417　1994/12

Measurement of small vibrations at two adjacent points on the aorta by controlling the direction of an ultrasonic beam for noninvasive diagnosis of arteriosclerosis Peer-reviewed

Murata, R., Kanai, H., Chubachi, N., Koiwa, Y., Takeuchi, Y.

Japanese Journal of Medical Ultrasonics　21　(11)　703-711　1994/11

Noninvasive Measurement of Local Small Vibrations on Heart Wall or Arterial Wall and Their Analysis

Hiroshi Kanai, Hiroaki Sato, Noriyoshi Chubachi, Yoshiro Koiwa, Motonao Tanaka

Proc. 7th Cong. World Fed. Ultrasound Med. Biol.　1994/07

Local Diagnosis of Arteriosclerosis by Analyzing Small Vibrations on Aortic Wall

Masahiko Takano, Ken'iti Kawabe, Hiroshi Kanai, Noriyoshi Chubachi, Yoshiro Koiwa, Fumiaki Tezuka, Mitsuhiro Takahashi

Proc. 7th Cong. World Fed. Ultrasound Med. Biol.　1994/07

A New Method for Controlling Ultrasonic Beams for Noninvasive Diagnosis of Local Arteriosclerosis

Ryoji Murata, Ken'iti Kawabe, Hiroaki Sato, Hiroshi Kanai, Noriyoshi Chubashi, Yoshiro Koiwa

Proc. 7th Cong. World Fed. Ultrasound Med. Biol.　1994/07

DELAYED BLOCK TRANSFER-FUNCTION IN THE FREQUENCY-DOMAIN Peer-reviewed

H KANAI, T HORI, N CHUBACHI, T ONO

IEEE TRANSACTIONS ON SIGNAL PROCESSING　42　(7)　1669-1684　1994/07

DOI： 10.1109/78.298275 　

ISSN： 1053-587X

eISSN： 1941-0476

POWER DIFFERENCE IN SPECTRUM OF SOUND RADIATION BEFORE AND AFTER BREAK OF PHANTOM BY PIEZOELECTRIC EXTRACORPOREAL SHOCK-WAVE LITHOTRIPTOR Peer-reviewed

H KANAI, YS JANG, N CHUBACHI, Y TANAHASHI

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　33　(5B)　3159-3161　1994/05

DOI： 10.1143/JJAP.33.3159 　

ISSN： 0021-4922

Design of digital filters and their evaluation for high speed and high accuracy weight measurement in production line Peer-reviewed

KAMIMURA Kunio, KANAI Hiroshi, CHUBACHI Noriyoshi

The Journal of the Acoustical Society of Japan　50　(4)　279-288　1994/04/01

DOI： 10.20697/jasj.50.4_279 　

ISSN： 0369-4232

NEW METHOD FOR EVALUATING LOCAL PULSE-WAVE VELOCITY BY MEASURING VIBRATIONS ON ARTERIAL-WALL Peer-reviewed

H KANAI, K KAWABE, M TAKANO, R MURATA, N CHUBACHI, Y KOIWA

ELECTRONICS LETTERS　30　(7)　534-536　1994/03

DOI： 10.1049/el:19940393 　

ISSN： 0013-5194

In vivo measurement of bending-vibration propagation-velocity of a bone using ultrasonic Doppler method. Peer-reviewed

MU-HUN Park, KANAI Hiroshi, CHUBACHI Noriyoshi

The Journal of the Acoustical Society of Japan　50　(2)　103-109　1994/02/01

DOI： 10.20697/jasj.50.2_103 　

ISSN： 0369-4232

Measurement of small vibration on heart wall by tracking cardiac motion using dynamic programming Peer-reviewed

Hiroaki Satoh, Hiroshi Kanai, Noriyoshi Chubachi

J. Acoust. Soc. Jpn.　50　(1)　11-21　1994/01

A TAPERED SVD WITHOUT RANK DETERMINATION FOR ESTIMATION OF MULTIPULSE INPUT TIME SERIES FROM NOISY OUTPUT

H KANAI, K IKIKAME, N CHUBACHI

ICASSP-94 - PROCEEDINGS, VOL 4　4　45-48　1994

ACCURATE ESTIMATION OF AR MODEL BY TAPERED SVD WITHOUT RANK DETERMINATION

H KANAI, N CHUBACHI

ICASSP-94 - PROCEEDINGS, VOL 4　4　473-476　1994

Non-contact measurement of particle velocity distribution of ultrasonic waves along an elastic bar using laser Doppler velocimetry Peer-reviewed

Moojoon Kim, Hiroshi Kanai, Noriyoshi Chubachi

Journal of the Acoustical Society of Japan (E)　15　(5)　339-344　1994

DOI： 10.1250/ast.15.339 　

ISSN： 0388-2861

MEASUREMENT OF LOCAL PULSE WAVE VELOCITY ON AORTA FOR NONINVASIVE DIAGNOSIS OF ARTERIOSCLEROSIS

R MURATA, H KANAI, N CHUBACHI, Y KOIWA

PROCEEDINGS OF THE 16TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY - ENGINEERING ADVANCES: NEW OPPORTUNITIES FOR BIOMEDICAL ENGINEERS, PTS 1&2　7.1-6　(16 part 1)　83-84　1994

NONINVASIVE MEASUREMENT OF SMALL LOCAL VIBRATIONS IN THE HEART OR ARTERIAL WALL

H KANAI, H SATOH, N CHUBACHI, Y KOIWA

PROCEEDINGS OF THE 16TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY - ENGINEERING ADVANCES: NEW OPPORTUNITIES FOR BIOMEDICAL ENGINEERS, PTS 1&2　7.1-1　(16 part 1)　73-74　1994

A STUDY ON PROPAGATION VELOCITY OF SMALL VIBRATIONS ON AROTIC WALL

M TAKANO, H KANAI, N CHUBACHI, Y KOIWA, F TEZUKA, M TAKAHASHI

PROCEEDINGS OF THE 16TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY - ENGINEERING ADVANCES: NEW OPPORTUNITIES FOR BIOMEDICAL ENGINEERS, PTS 1&2　7.1-5　(16 part 1)　81-82　1994

MEASUREMENT OF LOCAL PULSE WAVE VELOCITY IN ARTERIOSCLEROSIS BY ULTRASONIC DOPPLER METHOD

N CHUBACHI, H KANAI, R MURATA, Y KOIWA

1994 IEEE ULTRASONICS SYMPOSIUM PROCEEDINGS, VOLS 1-3　PB9　1747-1750　1994

ISSN： 1051-0117

A NEW METHOD FOR MEASURING SMALL LOCAL VIBRATIONS IN THE HEART USING ULTRASOUND Peer-reviewed

H KANAI, H SATOH, K HIROSE, N CHUBACHI

IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING　40　(12)　1233-1242　1993/12

DOI： 10.1109/10.250580 　

ISSN： 0018-9294

Theoretical evaluation of bias error and variance in DFT-based frequency estimation under low SNR. Peer-reviewed

KANAI Hiroshi, CHUBACHI Noriyoshi

The Journal of the Acoustical Society of Japan　49　(11)　763-774　1993/11/01

DOI： 10.20697/jasj.49.11_763 　

ISSN： 0369-4232

A New Method to Estimate Accurate Coherence Function Peer-reviewed

Hiroshi Kanai, Noriyoshi Chubachi, Takahiko Ono

Proceedings of the International Workshop on Intelligent Signal Processing and Communication Systems　38-43　1993/10

A new method for quantitative measurement of correlation defined between different frequency band components Peer-reviewed

IMAI Masaki, KANAI Hiroshi, CHUBACHI Noriyoshi, OGURO Shun, SUZUKI Hideo

J. Acoust. Soc. Jpn. (J)　49　(6)　389-396　1993/06/01

DOI： 10.20697/jasj.49.6_389 　

ISSN： 0369-4232

ACCURACY EVALUATION IN ULTRASONIC-DOPPLER-BASED MEASUREMENT OF SMALL VIBRATIONS FOR ACOUSTICAL DIAGNOSIS OF THE AORTIC-WALL Peer-reviewed

K KAWABE, H KANAI, N CHUBACHI

ELECTRONICS LETTERS　29　(10)　915-916　1993/05

DOI： 10.1049/el:19930610 　

ISSN： 0013-5194

Tracking of aortic wall by cross correation and estimation of its small vibration velocity. Peer-reviewed

HIROSE Kouichi, KANAI Hiroshi, CHUBACHI Noriyoshi

The Journal of the Acoustical Society of Japan　48　(12)　863-870　1992/12/01

ISSN： 0369-4232

MICRODEFOCUSING METHOD FOR MEASURING ACOUSTIC PROPERTIES USING ACOUSTIC MICROSCOPE Peer-reviewed

H KANAI, N CHUBACHI, T SANNOMIYA

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL　39　(5)　643-652　1992/09

DOI： 10.1109/58.156183 　

ISSN： 0885-3010

A NEW APPROACH TO TIME-DEPENDENT AR MODELING OF SIGNALS AND ITS APPLICATION TO ANALYSIS OF THE 4TH HEART-SOUND Peer-reviewed

H KANAI, N CHUBACHI, K KIDO, Y KOIWA, T TAKAGI, J KIKUCHI, T TAKISHIMA

IEEE TRANSACTIONS ON SIGNAL PROCESSING　40　(5)　1198-1205　1992/05

DOI： 10.1109/78.134481 　

ISSN： 1053-587X

NONCONTACT MEASUREMENT OF ACOUSTIC-EMISSION SIGNALS IN THE 100 MHZ FREQUENCY-RANGE USING AN ACOUSTICAL MICROSCOPE Peer-reviewed

H KANAI, N CHUBACHI, T SANNOMIYA

ACUSTICA　76　(4)　199-204　1992/05

ISSN： 0001-7884

ACOUSTIC MICROSCOPE FOR MEASURING ACOUSTIC PROPERTIES BY MICRODEFOCUSING METHOD Peer-reviewed

N CHUBACHI, H KANAI, T SANNOMIYA, T WAKAHARA

ACOUSTICAL IMAGING, VOL 19　19　685-689　1992

A METHOD TO EVALUATE ACCURACY OF FFT-BASED PERIODICITY ANALYSIS FOR SHORT LENGTH SIGNAL IN LOW SNR Peer-reviewed

H KANAI, N CHUBACHI, H SUZUKI

ICASSP-92 - 1992 INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1-5　5　E45-E48　1992

DESIGN OF OPTIMUM DIGITAL FILTER FOR ACCURATELY MEASURING WEIGHT USING A LOAD CELL Peer-reviewed

K KAMIMURA, H KANAI, N CHUBACHI

14TH INTERNATIONAL CONGRESS ON ACOUSTICS, PROCEEDINGS, VOLS 1-4　1529-1530　1992

Detection of Acoustic Emission Signals in the Frequency Range up to 100 MHz Peer-reviewed

Hiroshi Kanai, Noriyoshi Chubachi, Toshishige Takeda

Trans. IEE Japan　111　(12)　p631-636　1991/12

DOI： 10.1541/ieejeiss1987.111.12_631 　

ISSN： 0385-4221

NONCONTACT AE MEASUREMENT SYSTEM USING ACOUSTIC MICROSCOPE Peer-reviewed

N CHUBACHI, H KANAI

ELECTRONICS LETTERS　27　(23)　2104-2105　1991/11

DOI： 10.1049/el:19911304 　

ISSN： 0013-5194

A BASIC STUDY ON NONDESTRUCTIVE EVALUATION OF POTATOES USING ULTRASOUND Peer-reviewed

K HA, H KANAI, N CHUBACHI, K KAMIMURA

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　30　(S 30-1)　80-82　1991

ISSN： 0021-4922

ESTIMATION OF INPUT PULSE LOCATIONS FROM THE RESPONSE OF AN ALL-POLE TRANSFER SYSTEM USING TAPERED RANK REDUCTION Peer-reviewed

H KANAI, K KIDO

IEEE TRANSACTIONS ON SIGNAL PROCESSING　39　(1)　148-159　1991/01

DOI： 10.1109/78.80773 　

ISSN： 1053-587X

Estimation of Acoustic Transfer Function of the Heart by Analyzing the Heart Sounds Simultaneously Detected on the Chest Wall and in the Esophagus Peer-reviewed

Hiroshi Kanai, Yoshihiko Shishido, Noriyoshi Chubachi, Yoshiro Koiwa, Takehiko Takagi, Jun-Iti Kikuchi, Hideyuki Honda, Nobuo Hosi, Tamotu Takishima

Japanese Journal of Medical Electronics and Biological Engineering　29　(2)　115-122　1991

DOI： 10.11239/jsmbe1963.29.115 　

ISSN： 0021-3292

A NEW METHOD TO MEASURE LOCAL VIBRATIONS IN A HEART USING ULTRASOUND Peer-reviewed

H KANAI, K HIROSE, H SATO, N CHUBACHI

PROCEEDINGS OF THE ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOL 13, PTS 1-5　13　(1)　131-132　1991

Transfer model excited by multi-pulse series and its application to analysis of transition of Yen/Dollar exchange rate Peer-reviewed

Hiroshi Kanai, Ken'iti Kido, Atsushi Suzuki, Atsushi Kanai

J. Jpn. Statist. Soc.　20　(2)　p255-276　1990/12

ISSN： 0389-5602

Automatic Devanagari character recognition using structure analysis Peer-reviewed

JAYANTHI K.