医院感染患病率调查与危险因素分析

目的了解医院住院患者感染患病情况,分析感染的危险因素,为制定有效防控措施提供依据。方法采用横断面调查方法,对某医院2011年9月14日的住院患者医院感染现患率进行了调查。结果实际调查住院患者796人,发生医院感染患者27例、30例次,医院感染现患率3.39%、例次现患率3.77%。感染部位以呼吸道为主,构成比为70.37%,其中上呼吸道为37.04%,下呼吸道为33.33%。日抗菌药物的使用率为40.70%,以治疗用药为主。医院感染主要危险因素是泌尿道和动静脉插管、免疫抑制剂和化疗的使用、手术等有创操作等。结论该院住院患者医院感染现患率不高,主要危险因素是各种置管和免疫抑制剂的使用,应有针对性地加强防控措施。

INVESTIGATION ON NOSOCOMIAL INFECTION PREVALENCE AND RISK FACTORS ANALYSIS

Objective To investigate nosocomial infection prevalence in a hospital and analysis risk factors,so as to provide reference for effective measures of prevention and control.Methods The cross-sectional study was used to survey nosocomial infection prevalence among hospitalized patients on September 14,2011 in our hospital.Results 796 patients were investigated,the nosocomial infection patients were 27 and the cases were 30.Nosocomial infection prevalence rate was 3.39%,case prevalence rate was 3.77%.The main site of nosocomial infection was respiratory tract,which was 70.37%.The prevalence rate of upper and lower respiratory tract was 37.04% and 33.33% respectively.The usage rate of antimicrobial agents was 40.70%,mainly was therapy using.Analysis showed that urinary tract and arteriovenous intubations,the use of immunosuppressive and chemotherapy,operations were the main risk factors for nosocomial infection.Conclusion In our hospital,the nosocominal infection prevalence was low.The usage of intubations and immunosuppressant was the main risk factors,the pertinence prevention and control measures should be strengthened.