OBJECTIVE: To review various aspects of the management of peritonitis due to Fusarium, a soil mold which infrequently causes infections in humans. DATA SOURCES: A case of Fusarium peritonitis in a child on chronic peritoneal dialysis (PD) is presented. The child developed Fusarium peritonitis 2 weeks after an episode of bacterial peritonitis. His Tenckhoff catheter was removed, and he was maintained on hemodialysis while receiving intravenous amphotericin. Following 2 weeks of treatment with amphotericin, he was successfully returned to PD. A literature review of all previously reported cases of Fusarium peritonitis was then conducted to determine features common to infections caused by Fusarium. Emphasis was also placed on unique characteristics of the organism that may affect patient management, as well as patient characteristics that may increase the risk for infection by Fusarium. RESULTS: Fusarium may cause infection in immunosuppressed individuals, such as cancer patients or patients on chronic PD. The organism has a propensity to attach to foreign bodies such as intravascular and intraperitoneal catheters. Therefore, successful treatment of infections caused by Fusarium may require catheter removal in addition to systemic antifungal therapy. CONCLUSIONS: This report presents the first known case of Fusarium peritonitis in a child. In view of the difficulties posed by this unusual organism, optimal therapy of Fusarium peritonitis should consist of immediate catheter removal and treatment with systemic antifungal drugs.

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