肺性脑病是呼吸功能衰竭发展到严重阶段出现的以神经系统机能紊乱为主要表现的综合征。一、病因呼吸衰竭原因很多,其中以慢性阻塞性肺部疾病(以下称 COPD)最常见。主要是心肺功能不全所引起的严重缺氧和 CO_2潴留所致,以及酸硷平衡失调、电解质紊乱与脑组织 pH 值的下降等一系列内环境紊乱。临床上使用镇静剂、激素和供氧不当, Pulmonary encephalopathy is a syndrome characterized mainly by nervous system dysfunction that occurs during the severe phase of respiratory failure. First, the cause of respiratory failure for many reasons, of which chronic obstructive pulmonary disease (hereinafter referred to as COPD) is the most common. Mainly due to cardiopulmonary insufficiency caused by severe hypoxia and CO 2 retention, as well as acid-base balance disorders, electrolyte imbalance and brain tissue pH decline and a series of internal environment disorders. Clinically use sedatives, hormones and improper oxygenation,