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Paper Abstract and Keywords
Presentation 2008-12-20 13:25
Measurements of Endothelial Functions Using Impedance Pulse Wave -- Pulse Waveform Analysis before and after Cuff-deflation --
Masayuki Kondo, Yasunari Yokota, Mami Iida, Hiroki Iida, Hiroyuki Morita, Yoshihiro Uno (Gifu Univ.) MBE2008-71
Abstract (in Japanese) (See Japanese page) 
(in English) It has been considered that malfunction of vascular endothelial cells causes arteriosclerosis; post-ischemic reactive hyperemia (PRH) reflects endothelial functions. We have tried to evaluate the post-ischemic reactive hyperemia by impedance measurement at arm. In this report, we developed methods for extracting each single heart beat period (SHBP) from a sequence of impedance pulse wave and for eliminating abnormal periods. Measuring the impedance pulse wave before and after cuff-deflation for normal subjects and patients with diabetes mellitus (DM), we extracted each SHBP from them by the developed method. The time series of the extracted single heart beat waveforms shows that the post-ischemic reactive hyperemia for DM subjects is evidently less compared with that for normal subjects.
Keyword (in Japanese) (See Japanese page) 
(in English) Endothelial Functions / Post-Ischemic Reactive Hyperemia / Pulse Wave Measurement / Impedance Pulse Wave / Arteriosclerosis / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 371, MBE2008-71, pp. 5-8, Dec. 2008.
Paper # MBE2008-71 
Date of Issue 2008-12-13 (MBE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee NC MBE  
Conference Date 2008-12-20 - 2008-12-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Inst. Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2008-12-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Measurements of Endothelial Functions Using Impedance Pulse Wave 
Sub Title (in English) Pulse Waveform Analysis before and after Cuff-deflation 
Keyword(1) Endothelial Functions  
Keyword(2) Post-Ischemic Reactive Hyperemia  
Keyword(3) Pulse Wave Measurement  
Keyword(4) Impedance Pulse Wave  
Keyword(5) Arteriosclerosis  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Masayuki Kondo  
1st Author's Affiliation Gifu University (Gifu Univ.)
2nd Author's Name Yasunari Yokota  
2nd Author's Affiliation Gifu University (Gifu Univ.)
3rd Author's Name Mami Iida  
3rd Author's Affiliation Gifu University (Gifu Univ.)
4th Author's Name Hiroki Iida  
4th Author's Affiliation Gifu University (Gifu Univ.)
5th Author's Name Hiroyuki Morita  
5th Author's Affiliation Gifu University (Gifu Univ.)
6th Author's Name Yoshihiro Uno  
6th Author's Affiliation Gifu University (Gifu Univ.)
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Speaker Author-1 
Date Time 2008-12-20 13:25:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2008-71 
Volume (vol) vol.108 
Number (no) no.371 
Page pp.5-8 
#Pages 4 
Date of Issue 2008-12-13 (MBE) 

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