重症肝炎包括急性重型(即暴发型肝炎),亚急性重型(即亚急性肝坏死),慢性重型(即慢性肝炎亚急性肝坏死),是病毒性肝炎的一种最严重的类型,死亡率高(约70～90%),发病早期与普通型肝炎往往不易区别。不少学者从临床、组织学及实验室等方面进行了探讨。但当临床症状和体征方面表现明显后常已有肝脏组织学方面的较为严重的破 Severe hepatitis includes acute severe (ie, fulminant hepatitis), subacute heavy (ie subacute hepatic necrosis), chronic heavy (ie, subacute hepatic necrosis of chronic hepatitis), is one of the most severe types of viral hepatitis with high mortality (About 70 ~ 90%), early onset and common hepatitis are often not easy to distinguish. Many scholars from the clinical, histological and laboratory aspects were discussed. However, when the clinical manifestations and signs of obvious manifestations of liver histology has often been more serious broken