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  • Title: Successful Treatment of Pulmonary Mucormycosis Caused by Cunninghamella bertholletiae with High-Dose Liposomal Amphotericin B (10 mg/kg/day) Followed by a Lobectomy in Cord Blood Transplant Recipients.
    Author: Ota H, Yamamoto H, Kimura M, Araoka H, Fujii T, Umeyama T, Ohno H, Miyazaki Y, Kaji D, Taya Y, Nishida A, Ishiwata K, Tsuji M, Takagi S, Asano-Mori Y, Yamamoto G, Uchida N, Izutsu K, Masuoka K, Wake A, Yoneyama A, Makino S, Taniguchi S.
    Journal: Mycopathologia; 2017 Oct; 182(9-10):847-853. PubMed ID: 28577122.
    Abstract:
    Infection caused by Cunninghamella bertholletiae carries one of the highest mortality rates among mucormycosis, and there are no reported cases that survived from the infection in allogeneic hematopoietic stem cell transplantation recipients occurring before neutrophil engraftment. Here, we present two cases of pulmonary mucormycosis caused by C. bertholletiae occurring before neutrophil engraftment after cord blood transplantation. Both were successfully treated with high-dose liposomal amphotericin B (10 mg/kg/day) combined with micafungin, which was then followed by neutrophil recovery, reduction in immunosuppressive agents, and a subsequent lobectomy. The intensive antifungal therapy immediately administered upon suspicion of mucormycosis greatly suppressed the infection in its early stage and was well tolerated despite its prolonged administration and simultaneous use of nephrotoxic agents after transplantation. Although the synergic effect of micafungin remains unclear, these cases highlight the importance of prompt administration of high-dose lipid polyene when suspecting mucormycosis in highly immunocompromised patients, which enables subsequent diagnostic and therapeutic interventions, resulting in a favorable outcome.
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