本文报道27名25～35岁的健康人经纤维支气管镜(纤支镜)支气管肺泡灌洗(BAL)前后的肺功能变化情况。方法随机分组,每组9人。第1组为对照组,仅作纤支镜检查;第2组经纤支镜用25℃生理盐水(NS)作BAL;第3组经纤支镜用37℃NS 作BAL。所有对象纤支镜检前均用阿托品0.4mg、度冷 This article reports the changes of pulmonary function in 27 healthy people aged 25-35 years before and after bronchial alveolar lavage (bronchoscopy) bronchial lavage (BAL). Methods were randomly divided into groups of 9 people. The first group was control group, only for fiberoptic bronchoscopy; the second group by bronchoscopy with 25 ℃ NS for BAL; the third group by bronchoscopy with 37 ℃ NS for BAL. All subjects before bronchoscopy were atropine 0.4mg, degrees cold