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  • Title: [Prophylaxis against mycoses in neutropenic patients].
    Author: Arning M, Aul C.
    Journal: Mycoses; 1994; 37 Suppl 2():70-6. PubMed ID: 7541892.
    Abstract:
    During the last years, the proportion of cancer patients who develop systemic fungal infections has increased steadily. These infections are characterised by high mortality, especially in patients with persistent granulocytopenia and in those receiving allogeneic bone marrow transplants. The most important pathogens in neutropenic patients are Candida and Aspergillus spp. Usually, Candida infections arise from overgrowth in the gastrointestinal tract, while Aspergillus infections are acquired by inhalation of spores. Prophylaxis of systemic fungal infections seems mandatory since optimal strategies for diagnosis and treatment of these infections are lacking. Treatment with the non-absorbable polyenes nystatin and amphotericin B is useful for prophylaxis of superficial fungal infections, provided that compliance of the patients is optimal. The imidazoles ketoconazole and miconazole can reduce the incidence of superficial fungal infections, but there are conflicting data regarding their value for prevention of systemic mycoses. There are several studies indicating that prophylactic use of fluconazole reduces the incidence of mucosal and systemic fungal infections, especially in patients receiving allogeneic bone marrow transplants. Fluconazole shows reduced activity against several Non-albicans spp. and is not active against Aspergillus spp. Itraconazole has in vitro and in vivo activity against several Aspergillus spp. but high serum and tissue levels are necessary. However, bioavailability of itraconazole is reduced in patients with raised gastric pH and no i.v. formulation is available. Although there is some evidence for its prophylactic activity against Aspergillus infections in neutropenic patients, more studies are necessary to confirm these findings. Intravenous amphotericin B cannot be recommended for routine prophylactic use because of its toxicity.(ABSTRACT TRUNCATED AT 250 WORDS)
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