298例危重病人医院感染分析

Analysis of Nosocomial Infection in Hospitalized Critical and Serious Patients

对重庆地区某综合性医院２９８例危重病人医院感染进行了调查分析。结果危重病人的医院感染率达４３．３％（１２９例）；以脑外科、血液内科等的感染率较高；感染部位以肺部感染最为突出，占６５．１％，是其感染特点之一；感染的危险因素有年龄、住院时间、气管切开、放疗与化疗、脑部手术等；感染病原菌以革兰氏阴性杆菌为主，占５２．２％，其中以绿脓杆菌较多见，占２３．９％，真菌已成为其重要病原菌；感染病例的病死率明显高于非感染病例，预后较差。作者认为加强危重病人医院感染的预防和控制，对医院感染管理具有重要意义。

An investigation was made on 298 hospitalized critical and serious patients in Chongqing.The results showed that the nosocomial infection rate was 43.3%(129/298).The higher infection rate was found in the departments of brain surgery and hematopathy. The lower respiratory tract was found to be the most commouly seen infection sites(65.1%).of 46 strains of the pathogenic or-ganisms causing the nosocomial infection,gram-negatove becilli were accounted for 52.2%and fungi 28.3%. The case fatality rate of infected patients(37.9%)was significantly higher than that of non-infected patient′s(10.7%).