Pathogens from Nosocomial Infection Cases:Clinical Distribution and Drug Resistance Analysis of 4 262 Strains
- VernacularTitle:4262株医院感染病原菌的分布及耐药性分析
- Author:
Bo ZHANG
;
Xiaobing ZHANG
;
Yali GONG
;
Weiling FU
- Publication Type:Journal Article
- Keywords:
Nosocomial infection;
Pathogen;
Drug resistance
- From:
Chinese Journal of Nosocomiology
2006;0(03):-
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVE To determine the clinical distribution and drug resistance characteristics of pathogens from nosocomial infection cases to provide the gist for clinical therapy. METHODS Pathogens isolation, and identification and drug resistance tests were conducted for samples, which were gathered from inpatients in our hospital between Jan 2006 to Dec 2006. Then, MRSA tests were performed for Staphylococcus and ESBLs-producing G-bacilli were also detected. RESULTS Among 4 262 strains pathogens from 10 573 samples, 2 475 strains were G-bacilli (58.1%), 695 strains were G+ bacteria (16.3%) and 1 092 strains were fungi (25.6%).The most common species among 3 170 pathogen strains were Pseudomonas aeruginosa (24.3%), Acinetobacter baumannii (10.9%), Klebsiella pneumoniae (10.4%), Escherichia coli (8.9%) and Staphylococcus aureus (10.7%).The clinical departments with higher infective rate were Department of Neurosurgery, Department of Respiratory Disease, ICU, Department of Hepatobiliary Surgery, and Department of Geriatrics in order. Drug resistance results showed that the resistance rates of S. aureus to clindamycin, quinolones, and tetracyclines were more than 50%, but no S. aureus was resistant to vancomycin and minocycline. The resistance rates of G-bacilli to imipenem, meropenem, and piperacillin/tazobactam were lower, but with 30-60% of resistance rates to other commonly used antibiotic drug. CONCLUSIONS The pathogens in nosocomial infection are mainly the opportunistic pathogenic bacteria and mostly G-bacilli. The infection due to fungi shows an increasing trend. It should pay attention to the pathogenic detection and rational use of antimicrobial agent.
