慢性肺源性心脏病是危害人民健康的常见病、复发病、而肺性脑病又是肺心病的严重并发症之一 ,病死率较高 ,笔者将我院近 5年死亡的肺性脑病 2 2 9例的死亡时间进行分析 ,旨在探讨其死亡时间的规律性 ,从而指导治疗 ,提高治愈率。1　资料和方法　　 (1)临床资料 :收集我院 1992 Chronic pulmonary heart disease is a common disease endangering people’s health, relapse, and pulmonary encephalopathy is one of the serious complications of pulmonary heart disease, high mortality, the author of our hospital nearly 5 years of death of pulmonary encephalopathy 2 29 cases of death time analysis, aimed at exploring the regularity of their death time, so as to guide the treatment and improve the cure rate. 1 Materials and Methods (1) Clinical data: collected in our hospital in 1992