Surveillance of bacterial resistance from a hospital in Chongqing from 2004 to 2005
- VernacularTitle:2004—2005年我院临床常见细菌耐药性监测
- Author:
Chao ZHUO
;
Bei JIA
;
Wen-Xiang HUANG
;
Xing-Ping ZHENG
;
Chong-Zhi LI
;
- Publication Type:Journal Article
- Keywords:
Bacterial resistance;
Antimicrobial agent;
Gram-positive cocci;
Gram negative bacilli
- From:
Chinese Journal of Infection and Chemotherapy
2007;0(05):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the antimicrobial resistance of clinical isolates from a hospital in Chongqing during one year according to CHINET project.Methods Disc diffusion test (K-B method) was employed to study the antimicrobial resistance. WHONET5 was used for data analysis.Results In one year period from 2004 to 2005,690 non-duplicate isolates were collect- ed.Enterobacter isolates showed the lowest resistance rate to imipenem and meropenem.About 37.5% of E.coli and 31.4% of K.pneumoniae isolates produced ESBLs,respectively.All ESBLs-producing strains were susceptible to imipenem and mer- openem.About 37.2%,39.4% and 48.9% of P.aeruginosa isolates were resistant to imipenem,meropenem and ceftazidime, respectively.Pandrug-resistant (PDR) P.aeruginosa was isolated from our hospital.All strains of A.baumannii were sus- ceptible to imipenem and meropenem.About 37.7% of A.baumannii were resistant to cefoperazone-sulbactam.Twenty-nine strains showed the same resistant pattern among non-susceptible strains of A.baumannii,mainly derived from 2 clones by PFGE analysis.Conclusions The surveillance results suggest that prevalent strain resistant to cefoperazone-sulbactam may pres- ent in some ICUs.Resistance rate to cefoperazone-sulbactam increased significantly.
