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Paper Abstract and Keywords
Presentation 2016-07-30 15:20
The relationship between diaphragmatic mechanomyogram and respiratory muscle strength
Shogo Watanabe, Shinichi Fukuhara, Takeshi Fujinaga, Hisao Oka (Okayama Univ.) MBE2016-20
Abstract (in Japanese) (See Japanese page) 
(in English) Respiratory muscle strength has been used as a tool for evaluating respiratory rehabilitation in chronic obstructive pulmonary disease. However, mouth pressure measurement evaluated by maximum expiratory mouth pressure (PEmax) or inspiratory mouth pressure (PImax) offers an indirect method for measuring respiratory muscle strength. We demonstrated the evaluation of diaphragm contractility using a mechanomyogram (MMG), which is the mechanical signal generated by the motion of the diaphragm induced by the electric stimulation of the phrenic nerve. Study participants were 21 young and 20 elderly subjects. The elderly subjects were divided into non-smoker or smoker groups. We measured basic spirometric parameters, mouth pressure (PEmax, PImax), and diaphragmatic MMG. Diaphragmatic MMG showed more clear contrast between young subjects and elderly non-smoker or smoker subjects than the conventional method for respiratory muscle contraction (PEmax, PImax). In addition, the diaphragmatic MMG strongly correlated with inspiratory muscle strength.
Keyword (in Japanese) (See Japanese page) 
(in English) mechanomyogram / respiratory muscle strength / electric stimulation / smoking / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 170, MBE2016-20, pp. 25-28, July 2016.
Paper # MBE2016-20 
Date of Issue 2016-07-23 (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)
Download PDF MBE2016-20

Conference Information
Committee MBE  
Conference Date 2016-07-30 - 2016-07-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Okayama University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2016-07-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The relationship between diaphragmatic mechanomyogram and respiratory muscle strength 
Sub Title (in English)  
Keyword(1) mechanomyogram  
Keyword(2) respiratory muscle strength  
Keyword(3) electric stimulation  
Keyword(4) smoking  
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1st Author's Name Shogo Watanabe  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Shinichi Fukuhara  
2nd Author's Affiliation Okayama University (Okayama Univ.)
3rd Author's Name Takeshi Fujinaga  
3rd Author's Affiliation Okayama University (Okayama Univ.)
4th Author's Name Hisao Oka  
4th Author's Affiliation Okayama University (Okayama Univ.)
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Speaker Author-1 
Date Time 2016-07-30 15:20:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2016-20 
Volume (vol) vol.116 
Number (no) no.170 
Page pp.25-28 
#Pages 4 
Date of Issue 2016-07-23 (MBE) 

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