肝昏迷也称肝性脑病,是严重的肝脏疾病和/或门体静脉分流所引起的以中枢神经系统功能紊乱为主的临床危重症。肝昏迷的发病机制十分复杂,目前认为肝昏迷的发生是多种因子综合作用的结果,这些因子包括氨、假性神经递质、硫醇、短链脂肪酸、酚类等。此外,中枢神经系统中氨基酸 Hepatic coma, also known as hepatic encephalopathy, is a critically ill clinical critically ill central nervous system dysfunction caused by severe liver disease and / or portal vein shunting. The pathogenesis of hepatic coma is very complicated. At present, it is thought that the occurrence of hepatic coma is the result of a combination of various factors, including ammonia, pseudo neurotransmitters, thiols, short chain fatty acids and phenols. In addition, the amino acids in the central nervous system