Epidemic characteristic analysis of 454 cases of nosocomial pneumonia / 第三军医大学学报

ABSTRACT

Objective To explore the risk group,distribution and pathogen of nosocomial pneumonia.Methods All the in-patients from May 2004 to May 2005 admitted to Southwest hospital were involved for the investigation of nosocomial pneumonia.Results Among 61 404 cases investigated,454 cases were diagnosed as nosocomial pneumonia(0.74%),accounting for 31.33% of all nosocomial infection cases.According to prevalent characteristics,male and elderly patients had a higher incidence rate of nosocomial pneumonia,mainly occurred in ICU,department of thoracic surgery and department of oncology.The occurrence time within 7 days accounted for 31.72% and within 7 to 14 days for 35.09% after admission.Among the isolated pathogens,Candida was the top one(26.97%),then P.aeruginosa(18.96%),followed by S.aureus(5.20%).Conclusion Nosocomial pneumonia,which mainly occurred in the male and the elderly patients in 2 weeks after hospitalization,is still an important nosocomial disorder,and Candida is the most common pathogen.