肝性脑病 (ｈｅｐａｔｉｃｅｎｃｅｐｈａｌｏｐａｔｈｙ ,ＨＥ)指各种严重肝脏疾病所致的代谢紊乱 ,影响中枢神经系统功能 ,出现以精神、神经症状为主的一种肝脑综合征。其发病机制迄今未明 ,一般认为是由于某些代谢毒性物质的生成增多或代谢物质间的比例失衡等多种因素作用的 Hepatic encephalopathy (HE) refers to a variety of severe liver disorders caused by metabolic disorders, affecting the central nervous system function, the emergence of mental, neurological symptoms of a liver-brain syndrome. The pathogenesis has not yet been identified, generally considered to be due to the increase in the generation of certain metabolic toxic substances or the imbalance between the metabolic substances and other factors