Résumé
OBJECTIVE To investigate the incidence of nosocomial infection in ICU patients,risk factors.and measures to prevent infection.METHODS The nosocomial infection of ICU patients in the hospitals from Nov 2005 to Jun 2009 was investigated using the method of target monitoring.The nosocomial infection rate was regulated by the method of ASA.The invasive procedure and the associated infection rate were analyzed.RESULTS Among 833 inpatients in ICU,92 suffered from nosocomial infection,The nosocomial infection rate was 11.04%.and the nosocomial infection rate per day was 4.43% after modified by the method of ASA.The incidence of patients was 5.37%.Totally 145 strains of bacteria were isolated,and the dominant pathogens were Gram-negative bacilli(56.55%).CONCLUSIONS The patients in ICU are susceptible population of nosocomial infection,A.baumannii is the dominating pathogen to cause nosocomial infection in intensive care units.Target monitoring in ICU is an effective surveillance method to reduce the prevalence of nosocomial infection.