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  • Title: [Imipenem combined with teicoplanin or vancomycin in the initial empirical treatment of febrile neutropenia. Analysis of the primary response and of a global sequential strategy in 126 episodes].
    Author: Figuera A, Tomás JF, Hernández L, Jiménez ML, Peñarrubia MJ, del Rey MC, Arranz R, Cámara R, López-Lorenzo JL, Fernández-Rañada JM.
    Journal: Rev Clin Esp; 1996 Aug; 196(8):515-22. PubMed ID: 8984537.
    Abstract:
    The results of empiric antibiotic therapy in 126 episodes of febrile neutropenia in patients with hematologic neoplasms postchemotherapy and bone marrow transplantation are presented. The main objective of this work was the study of the initial control of infection comparing two glycopeptidic antibiotics: vancomycin and teicoplanin combined with imipenem in first line of empiric therapy. The secondary objective was to analyze the overall control of infection during the complete episode of neutropenia using a sequential empiric antibiotic therapy course which included the addition of amikacin followed by intravenous amphotericin B when fever persisted or recurred without microbiological documentation. Both initial courses (no guidelines), imipenem + vancomycin (arm A) and imipenem + teicoplanin (arm B) resulted in a similar percentage of response at 72 hours, both in episodes of fever of unknown origin (FUO) (55% and 68%, respectively; p = NS) and in those microbiologically documented (54% and 34.5%, p = NS); 58% and 79% of these episodes, respectively, were caused by gram-positive organisms. About 60% of patients in both arm ultimately required the empiric addition of amikacin, with or without amphotericin B, because of persistence or recurrence of fever; the percentage of overall responses in both arm did not differ significantly, both in FUO (70% and 86%, p = NS) and in microbiologically documented episodes (71% and 45%, p = NS). The overall infectious mortality for the whole group was 1.58%. In conclusion, no significant differences were observed in the clinical response or in toxicity between the combination of imipenem with any of the two glycopeptides: vancomycin or teicoplanin, for the initial empiric therapy of febrile neutropenia. The sequential empiric use of amikacin followed by amphotericin B assured an adequate overall control of infection in a group of patients with prolonged severe neutropenia.
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