Joseph C M, Sridhar C B, Raphael M
Department of Medicine, St John's Medical College Hospital, Bangalore.
J Indian Med Assoc. 1991 May;89(5):135-7.
Thirty cigarette smokers and 25 non-smoking controls, all men were evaluated by history, physical examination and simple spirometry. The history and physical examination were not of much use in predicting airflow obstruction. Forced mid-expiratory flow (FEF 25-75%) was abnormally low in 23 of the 30 subjects, while forced expiratory volume in 1 second (FEV1) and FEV1/FVC (forced vital capacity) were less sensitive. Thus simple spirometry is a useful screening tool to detect early airflow obstruction even when it is clinically undetectable.
30名男性吸烟者和25名男性非吸烟对照者接受了病史、体格检查和简易肺量计检查。病史和体格检查在预测气流受限方面作用不大。30名受试者中有23人的用力呼气中期流速（FEF 25-75%）异常低，而第1秒用力呼气量（FEV1）和FEV1/FVC（用力肺活量）的敏感性较低。因此，即使在临床上无法检测到气流受限时，简易肺量计也是检测早期气流受限的有用筛查工具。
