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Japanese

Impaired respiratory functions observed in pulmonary silicosis:Early changes in small airways Yoshitsugu Minami 1 , Yukihiko Homma 1 , Yutaka Osaki 1 , Makoto Murao 1 , Nobuhiro Sasaki 2 , Yoichi Sasaki 3 , Masaharu Okuda 3 1The First Department of Internal Medicine, Hokkaido University School of Medicine 2The First Department of Internal Medicine, Asahikawa Medical College 3Department of Internal Medicine, Iwamisawa Workers-accidents Hospital pp.297-301
Published Date 1979/3/15
DOI https://doi.org/10.11477/mf.1404203338
  • Abstract
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 To investigate the changes of small airways in pulmonary silicosis, respiratory function tests were performed in 58 cases. Obtained results were as follows :

 1) MMF, V25 and V50 revealed abnormal values in 82.1%, 94.6% and 91.1% of all cases re-spectively, being exceedingly high incidence in comparison with 51.7% in FEV1.0%. Moreover, the abnormalities of MMF, V25 and V50 were observed in 62.5%, 87.5% and 79.2% of the patients who showed normal values in spirogram test (%VC≧80% and FEV1.0%≧70%), re-spectively. CV/VC was broadcasted.


Copyright © 1979, 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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