In Vitro Activities of 21 Antimicrobial Agents Alone and in Combination with Aminoglycosides or Fluoroquinolones against Extended-Spectrum-β-Lactamase-Producing Escherichia coli Isolates Causing Bacteremia
Author(s) -
Min Kyeong,
CheolIn Kang,
Kim Ys,
Sun Young Cho,
Young Eun Ha,
Yu Mi Wi,
Doo Ryeon Chung,
Kyong Ran Peck,
JaeHoon Song
Publication year - 2015
Publication title -
antimicrobial agents and chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.07
H-Index - 259
eISSN - 1070-6283
pISSN - 0066-4804
DOI - 10.1128/aac.01121-15
Subject(s) - amikacin , cefepime , ciprofloxacin , piperacillin , antimicrobial , microbiology and biotechnology , tazobactam , ceftazidime , bacteremia , piperacillin/tazobactam , medicine , aminoglycoside , combination therapy , antibiotics , biology , imipenem , pharmacology , antibiotic resistance , bacteria , pseudomonas aeruginosa , genetics
We evaluated thein vitro activity of various antimicrobials alone and in combination against 291 extended-spectrum-β-lactamase-producingEscherichia coli (ESBL-EC) isolates causing bacteremia in South Korean hospitals. Ceftazidime, cefepime, and piperacillin-tazobactam in combination with amikacin showed greater activity than found in combination with ciprofloxacin. In settings with a high prevalence of ESBL-producing pathogens, combination aminoglycoside antimicrobial therapy, especially with amikacin, may be considered for empirical therapy against suspected Gram-negative sepsis as a carbapenem-saving strategy.
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