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Measurement of CO pulmonary diffusing Capacity by single breath method in normal subjects Haruo Kanagami 1 , Toshiki Katsura 1 , Koichiro Shiraishi 1 , Kenji Baba 1 , Kenji Aonuma 1 1The Research Institute for Tuberculosis and Leprosy, Tohoku University. pp.387-391
Published Date 1960/5/15
DOI https://doi.org/10.11477/mf.1404200892
  • Abstract
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Dco was measured in 39 normal subjects and the following conclusions were obtained.

(1) Dco is highly correlated with body surface (BSA), weight, height and age.

(2) The following regression equations between Dco and BSA, and Dco/BSA and age were obtained ;

Dco=BSA (m2)×18.85-6.8 (1)

Dco= (26.55-O.258×age)-BSA (m2) (2)

Comparison was made between the predicted values of Dco calculated from the equation (1) and that from the equation (2), and good correspondence was found.

Therefore, the equation (1) is recommended for clinical use because of its easy calculation for predicted values, provided that BSA is between 1.23m2 and 1.81m2.


Copyright © 1960, 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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