肺性脑病是慢性阻塞性肺疾病(以下简称慢阻肺)急性加重期严重呼吸衰竭的常见临床综合征。近几年来,我国肺性脑病的住院病死率已逐渐下降。我院自1973年1月开展动脉血气分析及机械通气治疗以来,至1987年2月,共收治肺性脑病264例次(197例),其中轻型肺性脑病152例次,占57.6%;中型肺性脑病32例 Pulmonary encephalopathy is a common clinical syndrome of severe respiratory failure in acute exacerbation of chronic obstructive pulmonary disease (hereinafter referred to as COPD). In recent years, the hospital mortality rate of pulmonary encephalopathy in China has gradually decreased. In our hospital since January 1973 arterial blood gas analysis and mechanical ventilation since February 1987, a total of 264 cases of pulmonary encephalopathy were treated (197 cases), of which 152 cases of mild pulmonary encephalopathy, accounting for 57.6%; medium 32 cases of pulmonary encephalopathy