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目的对心血管内科重症监护病房下呼吸道铜绿假单胞菌感染暴发进行调查与分析,为控制医院感染提供依据和对策。方法按《医院消毒技术规范》要求采样,参照《医院感染诊断标准》诊断病例。结果铜绿假单胞菌感染病例占同期重症监护病房住院患者46.7%,检测医务人员的手铜绿假单胞菌阳性率为38.5%,从患者暴露时间、区域分布和相同病原菌等可判断感染符合局部同源性暴发。结论铜绿假单胞菌是引起重症患者呼吸道感染的主要致病菌,加强医务人员的手卫生,做好患者的隔离,严格执行无菌操作技术等措施达到控制呼吸道医院感染暴发的目的 。
Objective To investigate and analyze the outbreak of Pseudomonas aeruginosa infection in the lower respiratory tract of cardiovascular medicine intensive care unit and provide the basis and countermeasures for the control of nosocomial infection. Methods According to “hospital disinfection technical specifications” sampling requirements, with reference to “diagnostic criteria for nosocomial infection,” the diagnosis of cases. Results Pseudomonas aeruginosa infections accounted for 46.7% of hospitalized patients in ICU in the same period, and the positive rate of Pseudomonas aeruginosa among medical staff was 38.5%. According to the exposure time, regional distribution and the same pathogen, Homology outbreak. Conclusion Pseudomonas aeruginosa is the main cause of respiratory tract infections in critically ill patients. It is necessary to strengthen the hand hygiene of medical staffs, make the patients quarantine, and strictly enforce aseptic technique to control outbreaks of nosocomial respiratory infections.