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目的了解医院下呼吸道感染的概况,以便加强控制。方法调查我院2008年度院内下呼吸道感染176例。结果≥60岁老年人发生下呼吸道感染多,原发病以肿瘤、脑血管病、肺部疾病占多数,致病菌以G-杆菌为主,G+球菌感染中MRSA达56.7%。结论医院下呼吸道感染病原菌以G-菌为主,多重耐药是已成医院感染的重要致病菌,免疫功能低下、滥用抗感染药是造成医院感染的主要因素。
Objective To understand the general situation of lower respiratory tract infection in hospitals in order to strengthen the control. Methods To investigate 176 cases of nosocomial lower respiratory tract infection in our hospital in 2008. Results The lower respiratory tract infection was more than or equal to 60 years old. The primary disease was tumor, cerebrovascular disease and pulmonary disease. The main pathogenic bacteria were G-bacilli. The MRSA in G + coccus infection reached 56.7%. Conclusions The main pathogens of lower respiratory tract infection in hospital are G-bacteria. Multi-drug resistance is an important pathogen of nosocomial infection. Immunocompromised and abused anti-infectives are the main causes of nosocomial infection.