肝性脑病是发生于肝病患者、以精神神经障碍为特征的临床综合征,多见于慢性肝病末期或暴发性肝衰竭,有时也可发生于门腔静脉分流术后或先天性尿素循环酶异常等患者。暴发性肝衰竭发生的脑病称为暴发型肝性脑病;肝硬化等疾病伴有门一体静脉分流所致的脑病称为慢性门一体性脑病 Hepatic encephalopathy is a clinical syndrome characterized by neuropsychiatric disorders that occurs in patients with liver disease, more common in the end of chronic liver disease or fulminant hepatic failure, and may sometimes occur after the portal venous shunts or congenital urea cycle enzyme abnormalities patient. Encephalopathy of fulminant hepatic failure is called fulminant hepatic encephalopathy; encephalopathy due to cirrhosis and other diseases associated with portal vein shunting is called chronic portal encephalopathy