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Changes of Respiration and Heart Rate in Relation to the Discomfort Originated in Fixed Supine Position Chikako Ishii 1 , Hiromi Minamisawa 2 1The School of Allied Health Sciences, Yamaguchi University 2Department of Nursing, School of Health Scieces, Faculty of Medicine, The University of Tokyo pp.31-40
Published Date 1989/4/30
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Abstract

 The effects of keeping the same supine position for 2 hours on heart beats, respiraion and subjective discomfort were studied in 5 healthy female adults. Heart beats and respiration were observed continuously by telemetric method. Coefficient of variation of R-R interval (CVR-R) was measured from the EEG recordings 5 times with 30 minutes interval during 2 hours. Irregular respiration that differed from the stable regular rhythmical pattern was investigated from respiratory recordings. The subjects were required to give a sigh to report perceived discomfort by predetermined forms which could be analyzed semiquantitatively. During the 2 hours of experiment the subjective discomfort of the person studied gradually increased. The heart rate gradually decreased during the first 30 minutes and maintained a stable rate during the rest of the period. CVR-R tended to increase with time. Heart rate and respiration rate did not vary in relation to the discomfort perceived by the subjects. The irregular respiration distinguished from stable and rhythmical normal pattern was gradually increased with time and that correlates well with the degree of the discomfort complained. The frequency of irregular respiration may become a good objective index to estimate discomfort.


Copyright © 1989, Japan Academy of Nursing Science. All rights reserved.

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電子版ISSN 2185-8888 印刷版ISSN 0287-5330 日本看護科学学会

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