重症病毒性肝炎常伴有肝性脑病。肝性脑病(肝昏迷)是急性肝功能衰竭时常见的一组严重的临床综合征,其特点为进行性神经精神变化,从性格改变、嗜睡和/或行为异常开始,很快进入意识障碍和/或昏迷。晚近,Sherlock 对此病的命名提出修正意见。以往大多称为“肝昏迷前期”或”肝昏迷”,现认为称“肝性脑病”更为确切。这一建议已得到大多学者的赞同。一、肝性脑病的早期客观检测Schalm 等对肝性脑病的客观检测进行了评述。他认为对临床医师来说,预计肝衰竭肝昏迷的后 Severe viral hepatitis is often accompanied by hepatic encephalopathy. Hepatic encephalopathy (hepatic coma) is a group of severe clinical syndromes common in acute liver failure characterized by progressive neuropsychiatric changes that begin with personality changes, lethargy and / / Or coma. Recently, Sherlock made amendments to the naming of the disease. Mostly known as “pre-hepatic coma” or “hepatic coma”, now that the “hepatic encephalopathy” more precise. This suggestion has been endorsed by most scholars. First, the early objective detection of hepatic encephalopathy Schalm and other objective assessment of hepatic encephalopathy were reviewed. He believes that for clinicians, the prognosis of hepatic failure after liver coma