The aim of this study was to evaluate the antimicrobial activity of imipenem plus amikacin or polymyxin B against six carbapenem-resistant P. aeruginosa by time-kill assay. Synergism was observed in two isolates for combinations with amikacin. For combinations with polymyxin B, synergism and antagonism also occurred in two isolates.
Keywords: Amikacin; Imipenem; Polymyxin B; Pseudomonas aeruginosa; Time-kill assay.
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