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作者根据肺功能检查结果,将98例22～66岁的受试者分为3组:第一组肺功能正常者(49例);第二组小气道病者(31例);第三组代偿性慢性阻塞性肺病者(18例)。分别于运动前和运动3分钟后作血气分析。根据所得结果认为小气道病患者存在肺内气体交换障碍,可能进一步发展成严重阻塞性肺病。血氧分压(PaO_2)测定三组受试者静息时PaO_2平均值相应为68.7、69.5和66.2托尔。运动试验后,三组PaO_2值均有不同程度增高,第一组增达76.7托尔,第二组73.7托尔,第三组仅67.1托尔。进一步分析每一受试者运动前、后PaO_2值的变化,第一组运动后PaO_2值增加者占90％,平均增加9托尔;第二组运动后增加者占71％,平均增加6.6托
According to the results of pulmonary function tests, 98 patients aged 22-66 years were divided into three groups: the first group of patients with normal lung function (49 cases); the second group of patients with small airways disease (31 cases); the third group Compensated chronic obstructive pulmonary disease (18 cases). Blood gases were analyzed before exercise and 3 minutes after exercise respectively. Based on the results obtained, it is considered that patients with small airways disease have intrapulmonary gas exchange disorders that may further develop into severe obstructive pulmonary disease. PaO2 was used to measure the mean values of PaO_2 at rest for the three groups of 68.7, 69.5, and 66.2Torres at rest. After exercise test, the values of PaO_2 in three groups increased to different extents, the first group reached 76.7 tons, the second group 73.7 tons, and the third group only 67.1 tons. Further analysis of each subject before and after PaO_2 value changes, PaO_2 value of the first group of exercise increased 90%, an average increase of 9Tol; the second group of exercise increased 71%, an average increase of 6.6Torrow