期刊
RESEARCH IN VETERINARY SCIENCE
卷 108, 期 -, 页码 47-53出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.rvsc.2016.07.010
关键词
Combination-therapy; Fluoroquinolone resistance; Apramycin; Mutant prevention concentration
The aim of this study was to determine if apramycin, colistin or lincomycin-spectinomycin, in combination with enrofloxacin, was able prevent the emergence of mutants with reduced susceptibility to fluoroquinolone antibiotics in vitro. MICs were determined for enrofloxacin alone and in combination for panels of Campylobacter (n = 37), Escherichia coli (n = 52) and Salmonella (n = 52) isolates. MIC results suggested that apramycin, colistin and lincomycin-spectinomycin worked in an additive/indifferent way when each was combined with enrofloxacin. Apramycin was considered the most promising antibiotic for combination-therapy in conjunction with enrofloxacin, and further evaluations (MBCs, MPCs and time-kill-curves) were performed for this combination for selected isolates. Results suggest combination-therapy of enrofloxacin with apramycin increases the efficacy, as well as decreasing the emergence and survival of bacteria with mutational resistance to fluoroquinolone antibiotics. Such combination-therapy, minimising the development of mutational resistance, may have relevance for Campylobacter, E. coli and Salmonella infections in poultry. Crown Copyright (C) 2016 Published by Elsevier Ltd. All rights reserved.
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