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  • Title: Should vancomycin be used empirically in febrile patients with prolonged and profound neutropenia? Results of a randomized trial.
    Author: Pico JL, Marie JP, Chiche D, Guiguet M, Andremont A, Lapierre V, Richet H, Tancrede C, Lagrange P, Hayat M.
    Journal: Eur J Med; 1993 May; 2(5):275-80. PubMed ID: 8252157.
    Abstract:
    OBJECTIVES: We conducted a randomized trial with ceftazidine alone or associated with amikacin or vancomycin to investigate the efficacy of the daily 3 g dosage of ceftazidime and the efficacy of monotherapy with ceftazidime and to determine if vancomycin should be added empirically. METHODS: Patient inclusion criteria were: age over 10 years, therapeutically-induced neutropenia and fever for at least three hours above 38.5 degrees C in absence of a clear non-infectious aetiology. Patients were randomized into three groups: group C, ceftazidime alone 3 g/day; group CA, ceftazidime 3 g/day plus amikacin 15 mg/kg/day; or group C, ceftazidime 3 g/day plus vancomycin 1.5 g/day. RESULTS: Results from one hundred and two episodes of fever were analyzed. The underlying diseases were haematological malignancies (89 patients) and solid tumours (13 patients). The median duration of neutropenia (< 0.5 x 10(9) PMN/L) was 18 days and the minimum duration of 7 days. The main criterion for the analysis of efficacy was the onset of a major infectious event, i.e. death related to documented or suspected infection and any infectious event considered life-threatening or hindering future treatment of the underlying disease. Eight (22%) patients in group C developed major infectious events compared with four (13%) in group CA and none in group CV (p < 0.01). Major infectious events were mainly due to Gram-positive organisms, particularly Streptococcus species. CONCLUSION: We conclude that: 1) ceftazidime alone and in association with amikacin is effective in preventing Gram-negative major infectious events; and 2) vancomycin should not be added only when a Gram-positive infection is documented, but used empirically.
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