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Comparison of in vitro activity of doripenem, imipenem and meropenem against clinical isolates of Enterobacteriaceae, Pseudomonas and Acinetobacter in Southern Poland

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Drzewiecki A., Bulanda M., Talaga K., Sodo A., Adamski P.

Polish Journal of Surgery

2012

vol. 84

issue 9

449-453

In the study we tested drug sensitivity to 3 carbapenems (doripenem, imipenem and meropenem) of Gram-negative clinical isolates from Southern Poland. Material and methods. 89 strains were examined: 42 from Pseudomonas genus, 16 Acinetobacter baumannii strains and 31 Enterobacteriaceae strains. Etests were used according to the producers instructions, MIC values were interpreted using EUCAST criteria. Results. Highest in vitro activity against Pseudomonas spp. was shown for doripenem, then meropenem and the lowest for imipenem (MIC values were definitely lower for doripenem; differences were statistically significant); A. baumannii strains showed similar sensitivity to doripenem, meropenem and imipenem (differences non-significant); all Enterobacteriaceae strains showed sensitivity to the tested antimicrobials. Conclusions. As a conclusion-doripenem, which has high in vitro activity (almost the same as imipenem and meropenem) as well as beneficial pharmacologic properties, may be an alternative solution in the treatment of multiresistant Gram-negative bacteria, especially in patients in severe status who require restrictive antibiotic regimens.

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1 Polish Journal of Surgery

1 2012

1 Adamski P.

1 Bulanda M.

1 Drzewiecki A.

1 Sodo A.

1 Talaga K.

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Comparison of in vitro activity of doripenem, imipenem and meropenem against clinical isolates of Enterobacteriaceae, Pseudomonas and Acinetobacter in Southern Poland