紀要論文 呼吸筋力測定の絶対信頼性
Reliability of Respiratory Muscle Strength Tests
Reliability of Respiratory Muscle Strength Tests

平野, 正広  ,  加藤, 宗規

(10)  , pp.197 - 203 , 2016 , 了德寺大学
ISSN:1881-9796
NII書誌ID(NCID):AA12217741
内容記述
本研究の目的は,呼吸筋力測定における絶対信頼性を検証し,測定回数および採用値について検討することである.若年健常成人50名を対象とし,気流量変化を伴わない口腔内圧法によって得られた最大口腔内圧を呼吸筋力とした.検者および補助者は各1名とした.目標肺気量位は機能的残気量(FRC),残気量(RV),全肺気量(TLC)とした.最大吸気筋力(MIPS)はFRC,RVの2点で測定し,最大呼気筋力(MEPS)はFRC,TLCの2点で各3回測定した.絶対信頼性は,Bland-Altman分析を用いて検証した.1回目と2回目の測定値の間には系統誤差を認めなかった.1・2回目の最大値と3回目の測定値の間には固定誤差を認めた.従って,1回の測定で信頼性があることが示された.しかしながら,誤差を考慮すると2回測定を実施し,最大値を採用値とすることが示唆された.
The purpose of this study was to reveal the absolute reliability of respiratory muscle strength tests in order to examine the adapted value and determine the appropriate repetition for measurements. Subjects were 50 healthy young adult. Respiratory muscle strength was the maximum mouth pressure obtained by the mouth pressure method without changes of flow. Target positions used to measure lung volume were functional residual capacity (FRC), residual volume (RV) and total lung capacity (TLC). Measurements of the following four differing measurements were performed three times; a) static maximum inspiratory pressure (MIPS) efforts at FRC, b) MIPS efforts at RV, c) static maximum expiratory pressure (MEPS) efforts at FRC, d) MEPS efforts at TLC. Reliability was verified using Bland–Altman analysis. No systematic bias was observed between the first and second measurement values. A systematic bias between the maximum values obtained in the first and second measurements and the third measurement value was observed. Therefore, single measurement of respiratory muscle strength is reliable. However, it was suggested that, considering there might be a bias in measurement, measurement values should be used the maximum value by two trials.
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