肝性脑病,又称肝昏迷,或肝脑综合征,是临床上常见的严重并发症,也是肝硬化患者死亡的重要原因之一。临床上主要表现为意识障碍、行为异常和昏迷,严重影响着肝硬化患者的生活质量。对于肝性脑病发病机制的研究目前仍停留在几种假说的水平,但专家一致认为血氨浓度过高是肝硬化患 Hepatic encephalopathy, also known as hepatic coma or liver-brain syndrome, is a common and serious complication in clinical practice and one of the major causes of death in cirrhotic patients. The main clinical manifestations of disturbance of consciousness, abnormal behavior and coma, seriously affecting the quality of life of patients with cirrhosis. The pathogenesis of hepatic encephalopathy research is still at the level of several hypotheses, but experts agree that high blood ammonia levels are cirrhosis