OBJECTIVE To learn the condition of nosocomial infection in our hospital,and enforce the prevention and therapy of nosocomial infection.METHODS A total of 8413 inpatients of our hospital in 2006 monitored prospectively and investigated retrospectively.RESULTS A total of 188 patients suffered from nosocomial infection.The rate of infection was 2.23%.The sites of infection were mainly in respiratory tract(30.30%),skin soft tissue(28.79%),gastrointestinal trackt(14.14%) and operative infection(10.10%).The pathogenic bacteria of hospital infection were mainly G+ bacteria(58.14%).CONCLUSIONS Analyzing the risk factors of nosocomial infection,monitoring the pathogens,aseptic manipulation,strictly proper antibiotics usage,and protecting the susceptible population in hospital,all the measures are effective to reduce nosocomial infection.

OBJECTIVE To learn the condition of nosocomial infection of lower respiratory tract,so as to take effective measures to prevent and control it. METHODS A total of 10351 inpatients of our hospital from Mar 2007 to Mar 2008 were monitored prospectively and investigated retrospectively. RESULTS Of 234 nosocomial infection events,the lower respiratory tract infection occupied 80 events which the infection rate was the highest (34.19%) and mainly happened in internal medicine (33.75%) and neurosurgery (25.0%) departments. The pathogenic bacteria of hospital infection were mainly G-bacteria (50.94%). CONCLUSIONS The primary affection should be actively treated with strictly aseptic manipulation,reasonable application of antibiotics and strengthening disinfection and management of wards. All the measures are effective,to prevent the lower respiratory tract infection.