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Paper Abstract and Keywords
Presentation 2020-01-22 10:30
[Poster Presentation] Development of evaluation system for cerebral artery occlusion using pulse wave at carotid artery
Natsuko Itai, Hiroto Shimizu, Takuma Shimada, Mami Matsukawa (Doshisha Univ.), Yasuyo Kobayashi (Nara Medical Univ.), Kozue Saito (Nara Medical Univ./NCVC), Hiroshi Yamagami (Osaka National Hospital/NCVC) US2019-71 EA2019-84
Abstract (in Japanese) (See Japanese page) 
(in English) The purpose of this study is the development of system to evaluate cerebral artery occlusion easily. Ischemic cerebrovascular diseases require proper treatment as soon as possible from the onset of symptoms. Especially it is important to evaluate the existence of an occlusion at a cerebral artery in the emergency medicine, and a rapid and easy measurement method is required for this purpose. It is known that the pulse waves observed at the carotid artery contain reflected waves from the brain. In this study, we measured the pulse waves at left and right carotid arteries of healthy subjects and patients with a cerebral artery occlusion by a piezoelectric sensor system. Because the patients have occlusions in one side, measured pulse waves of left and right arteries were compared. In order to evaluate quantitatively the left-right difference, we considered the cross-correlation function of the waveform, the number of positive/negative peaks, and the inclination of the rise of the pulse waveform. We obtained some tendencies of the waveform characteristics of healthy and occlusion patients.
Keyword (in Japanese) (See Japanese page) 
(in English) Pulse waves / Piezoelectric sensor / Cerebral infarction / Occlusion of cerebral artery / Simple diagnosis / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 374, US2019-71, pp. 7-11, Jan. 2020.
Paper # US2019-71 
Date of Issue 2020-01-15 (US, EA) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF US2019-71 EA2019-84

Conference Information
Committee EA US  
Conference Date 2020-01-22 - 2020-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Doshisha Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonics, and Related Topics 
Paper Information
Registration To US 
Conference Code 2020-01-EA-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of evaluation system for cerebral artery occlusion using pulse wave at carotid artery 
Sub Title (in English)  
Keyword(1) Pulse waves  
Keyword(2) Piezoelectric sensor  
Keyword(3) Cerebral infarction  
Keyword(4) Occlusion of cerebral artery  
Keyword(5) Simple diagnosis  
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1st Author's Name Natsuko Itai  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Hiroto Shimizu  
2nd Author's Affiliation Doshisha University (Doshisha Univ.)
3rd Author's Name Takuma Shimada  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
4th Author's Name Mami Matsukawa  
4th Author's Affiliation Doshisha University (Doshisha Univ.)
5th Author's Name Yasuyo Kobayashi  
5th Author's Affiliation Nara Medical University (Nara Medical Univ.)
6th Author's Name Kozue Saito  
6th Author's Affiliation Nara Medical University/National Cerebral and Cardiovascular center (Nara Medical Univ./NCVC)
7th Author's Name Hiroshi Yamagami  
7th Author's Affiliation National Hospital Organization Osaka National Hospital/National Cerebral and Cardiovascular center (Osaka National Hospital/NCVC)
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Speaker Author-1 
Date Time 2020-01-22 10:30:00 
Presentation Time 120 minutes 
Registration for US 
Paper # US2019-71, EA2019-84 
Volume (vol) vol.119 
Number (no) no.374(US), no.375(EA) 
Page pp.7-11 
#Pages
Date of Issue 2020-01-15 (US, EA) 


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