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肝功能衰竭(以下简称肝衰)是肝细胞的严重广泛破坏、功能显著降低以致衰竭所产生的综合征,以深度黄疸、意识障碍、腹水、出血倾向、肾功能衰竭为其临床特点。意识障碍严重甚至昏迷者,称为肝性脑病(肝昏迷),为肝衰晚期的严重表现,临床上有一定的特殊性;但肝衰并不一定都会发展到肝昏迷阶段。病因一、原发因素:肝脏各种严重的实质性损伤均可引起肝衰,如暴发性病毒性肝炎、亚急性肝坏死、中毒、各种肝病的晚期、肝癌、血吸虫病等。
Liver failure (hereinafter referred to as liver failure) is a serious and extensive destruction of liver cells, a significant reduction in function resulting from failure syndrome, with deep jaundice, disturbance of consciousness, ascites, bleeding tendency, renal failure as its clinical features. Seriously impaired consciousness and even coma, known as hepatic encephalopathy (hepatic coma), is a serious manifestation of advanced liver failure, clinically specific. However, liver failure may not always develop into a hepatic coma stage. Etiology First, the primary factors: a variety of serious liver damage can cause liver failure, such as fulminant viral hepatitis, subacute hepatic necrosis, poisoning, a variety of advanced liver disease, liver cancer, schistosomiasis and so on.