肝硬化是常见的终末期肝病,极易合并各种感染而诱发多脏器功能衰竭,感染部位以腹腔、下呼吸道、胃肠道、泌尿道、皮肤黏膜多见[1]。据报道,肝硬化患者医院感染率22.5%～29.6%,但各家报道公认医院感染是肝硬化患者死亡的重要原因[2～4]。感染的病原学包括细菌、病毒、真菌、寄生 Cirrhosis is a common end-stage liver disease, easily combined with various infections and induced multiple organ failure, the site of infection to the abdominal cavity, lower respiratory tract, gastrointestinal tract, urinary tract, skin and mucous membrane more common [1]. It is reported that patients with cirrhosis hospital infection rate of 22.5% to 29.6%, but various reports of hospital infection is recognized as an important cause of death in cirrhotic patients [2-4]. The etiology of infection includes bacteria, viruses, fungi, and parasites