胸腹壁 抱束性運動制限이 肺機能에 미치는 影響 = Some Effects of Thoraco-abdominal Restriction on Pulmonary Function in Man

국문 초록 (Abstract)

正常人 靑年 22名을 對象으로 胸腹壁의 抱束性 運動制限을 가하고 Collins社 製品인 basic clinical spirometer modul 과 residual volume module을 使用하여 폐기능을 測定하고, helium 폐쇄회로법으로 잔기량, 기능적잔기량 및 전폐기량을 測定하고 아울러 helium混合時間을 測定하였다. 그 結果를 要約하면 다음과 같다.
1회환기량은 감소하고 呼吸數는 增加하였으나 分時換氣量은 不變하였다.
폐내 흡입가스 분포는 뚜렷하게 지연되어서 不均等換氣를 나타냈다.
强制呼氣量, 殘氣量, 機能的殘氣量, 全肺氣量 및 殘氣量의 全肺氣量의 比는 有意하게 감소하였으나 그중에서 殘氣量의 감소는 경하였다.
最大自發的換氣量, FEF 25∼75%, FEV 0.5, FEV 1.0은 감소하였으나 FEV 200∼1200ml, FEV 0.5/FVC, FEV 1.0/FVC는 변동하지 않았다.
氣速係數(air velocity index)는 運動制限後 1보다 큰 수치를 나타내었다.
本 實驗에 있어서와 같이 심한 運動制限을 加했을 때 抱束性 換氣障碍와 함께 閉??性 障碍도 경하게 發生한 것으로 解釋된다.

다국어 초록 (Multilingual Abstract)

This study is for the evaluation of the changes of pulmonary function following chest restriction. In 22 normal males, chest restriction was produced by thoracoabdominal strapping. Pulmonary functions were measured with Collins basic clinical spirometer module and residual module.
Helinm closed circuit technique was used to measure residual volume(RV) and helium mixing time.
Respiratory rate decreased while tidal volume increased, so that minute volume remained unchanged.
Helium mixing time increased significantly and uneven ventilation seemed to be apparent.
Forced expiratory volume, residual volume, functional residual capacity, and RV/TLC markedly decreased, however magnitude of decrease of residual volume was minimal.
Maximal voluntary ventilation, FEF 25∼75%, FEV 0.5 and FEV 1.0 decreased, though FEV 200∼1,200ml, FEV 0.5/FVC and FEV 1.0/FVC showed no significant change.
Above mentioned data are characteristically related to the alteration of pulmonary function of restrictional type of thorax, however some change ascribed to the obstructive lesion also found.