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Shunji Tonomura 1 , Hajime Yamabayashi 1 , Genzo Tanabe 1 , Kiyoshi Fujimoto 1 1Center for Adult Diseases, Osaka pp.693-700
Published Date 1968/8/15
DOI https://doi.org/10.11477/mf.1404201930

A method of measurement of forced expi-ratory resistance (FERaw) was described.

1) This method was very valuable in clini- cal use because simple technique without laborious mathematical calculation. The FERaw was found as a very sensitive index in detecting the mild airway obstruction.

2) The value of FERaw at 50 % of viatl ca- pacity (FERaw 50 %) was most valuable to use.

3) The conventional spirometric technique to detect the abnormality in airway was evaluated with compairing with our new technique.

All patients with FEV1.0 % less than 69 % had the abnormal FERaw 50 % while the most of subjects with FEV1.0 % more than 85% had the normal FERaw 50%.

In the cases with FEV1.0% between 70 and 84 % the normal and abnormal FERaw 50% were overlapped.


Copyright © 1968, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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