Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue · 2005
[Antimicrobial resistance of Gram-negative bacilli isolated from patients in intensive care unit].
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Huang Xun, Xu Xiu-hua, Wen Xi-mao, Huang Xin, Li Jie, Wu An-hua
Аннотация
OBJECTIVE: To evaluate antimicrobial resistance of Gram-negative bacilli isolated from patients in intensive care unit (ICU) and to provide guidance for clinical antimicrobial strategy.
METHODS: Antimicrobial susceptibility of Gram-negative bacilli isolated from patients in ICU from 2000 to 2003 was monitored by Epsilometer test E (E-test) methods, and at the same time Whonet 5.1 was used to analyse the results.
RESULTS: Imipenem had the highest antimicrobial efficiency rate(90.8%), followed by cefoperazone/sulbactam, piperacillin/tazobactam, cefepime, amikacin and ceftazidime. On the other hand, the efficiency rate of the third-generation cephalosporins such as cefotaxime and ceftriaxone was as low as 42.8%. The extended-spectrum beta-lactamases (ESBLs) producing strains accounted for 36.0% in E.coli and 25.0% in K. pneumoniae. Significant difference was found between the resistant rate of ESBLs positive and that of negative strains, except imipenem (all P<0.005).
CONCLUSION: Bacterial resistance against antibiotics is still a serious clinical problem among ICU patients, therefore, surveillance of antimicrobial resistance should be strengthened, and the use of the third-generation cephalosporins should be restricted.
METHODS: Antimicrobial susceptibility of Gram-negative bacilli isolated from patients in ICU from 2000 to 2003 was monitored by Epsilometer test E (E-test) methods, and at the same time Whonet 5.1 was used to analyse the results.
RESULTS: Imipenem had the highest antimicrobial efficiency rate(90.8%), followed by cefoperazone/sulbactam, piperacillin/tazobactam, cefepime, amikacin and ceftazidime. On the other hand, the efficiency rate of the third-generation cephalosporins such as cefotaxime and ceftriaxone was as low as 42.8%. The extended-spectrum beta-lactamases (ESBLs) producing strains accounted for 36.0% in E.coli and 25.0% in K. pneumoniae. Significant difference was found between the resistant rate of ESBLs positive and that of negative strains, except imipenem (all P<0.005).
CONCLUSION: Bacterial resistance against antibiotics is still a serious clinical problem among ICU patients, therefore, surveillance of antimicrobial resistance should be strengthened, and the use of the third-generation cephalosporins should be restricted.