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院内获得性肺炎（N。omialPneumonia，NP）是仅次于泌尿道感染和手术切口感染的第三种常见的院内感染。调查表明，住院患者NP的感染率达0．6～1．l％．而现代的诊断及治疗手段并不能减少NP的病死率，预防非常重要。现着重介绍NP的危险因素及预防措施。一、危险因素NP主要是微生
Nosocomial pneumonia (NP) is the third most common nosocomial infection after urinary tract infection and surgical incision infection. Surveys show that inpatients NP infection rate of 0.6 to 1. l%. The modern diagnosis and treatment does not reduce the mortality rate of NP, prevention is very important. Now highlight the risk factors of NP and precautionary measures. First, the risk factors NP is mainly micro-organisms