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[Comparative study of meropenem and amikacin/metronidazole combination in the treatment of severe abdominal surgical infections]

Author(s): Csapo Z, Pulay I, Konkoly Thege M, Chanis W

Affiliation(s): I. Sebeszeti Klinika, Semmelweis Orvostudomanyi Egyetem, Budapest.

Publication date & source: 1998-11-08, Orv Hetil., 139(45):2699-703.

Publication type: Clinical Trial; Randomized Controlled Trial

The authors compared in a prospective, randomized study the efficacy of amikacin/metronidazole combination and meropenem monotherapy in serious, intra-abdominal infections needing surgical treatment. There were 31 evaluable patients. Fifteen patients were involved to the meropenem and 16 to the combination group. The average age were 46 years in the meropenem group and 50 in the other one, the APACHE II score was similar (12.9 and 12.5). Among the examined parameters, only the white blood cell number decrease showed significant difference between the study groups. In the meropenem group 5.05 x 10(9), while in the comparator group 3.57 x 10(9) (p < 0.01). At the end of the study period, the infection was cured in the case of 11 patients in the meropenem and 9 patients in the control-group. At the end of the treatment the average APACHE II score decreased to 7.6 and to 9.6 points respectively. Clinically both therapies proved to be effective and well tolerated but the microbiological assessment revealed that meropenem tended to cover all pathogens of the mostly polymicrobial infections (12 cases, 43%) more frequently, than amikacin/metronidazole combination (9 cases, 33%). The Gram negative bacteria showed sensitivity to both meropenem and amikacin, but their majority were inhibited by meropenem at a concentration 1 or 2 orders of magnitude lower, than by amikacin. The therapeutic dose of meropenem is not toxic; therefore, it can be safely administered in poor general condition, frequently with renal impairment. We did not observed serious adverse event during the study period.

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