急性、亚急性重症病毒性肝炎(下称重症肝炎)是病毒性肝炎的严重型,又称暴发型肝炎或恶性肝炎。其病理变化呈急性或亚急性肝坏死。目前,关于重症肝炎的发病机制尚不清楚,大多认为与机体免疫状态有关,特别是与T细胞系统的免疫功能过强有关。 Acute, subacute severe viral hepatitis (hereinafter referred to as severe hepatitis) is a severe type of viral hepatitis, also known as fulminant hepatitis or malignant hepatitis. The pathological changes were acute or subacute hepatic necrosis. At present, the pathogenesis of severe hepatitis is not clear, most of them are considered to be related to the immune status of the body, especially with the immune system of T cells.