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In vitro antimicrobial activity of imipenem in combination with vancomycin or teicoplanin againstStaphylococcus aureus andStaphylococcus epidermidis

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Abstract

The interaction between imipenem and two glycopeptides against staphylococci was examined for potential synergy. Imipenem in combination with vancomycin or teicoplanin exerted a synergistic or additive effect against a majority ofStaphylococcus aureus andStaphylococcus epidermidis isolates tested by the checkerboard method. Synergistic inhibitory effects were frequently accompanied by synergistic bactericidal effects. For a proportion of bacterial isolates of both species, the demonstration of synergy by the checkerboard method was confirmed by time-kill studies using antibiotic combinations at the MICs or at achievable serum antibiotic levels. Only with a single isolate ofStaphylococcus epidermidis was antagonism with either antibiotic combination recorded.

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Barr, J.G., Smyth, E.T.M. & Hogg, G.M. In vitro antimicrobial activity of imipenem in combination with vancomycin or teicoplanin againstStaphylococcus aureus andStaphylococcus epidermidis . Eur. J. Clin. Microbiol. Infect. Dis. 9, 804–809 (1990). https://doi.org/10.1007/BF01967378

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