Invasive Aspergillosis in Neutropenic Patients with Hematological Disorders

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Abstract
Between 1983–1988, 72 patients with acute leukemia and 4 with aplastic anemia were treated in the Hematology Unit of The Chaim Sheba Medical Center. Ten patients with acute leukemia developed invasive pulmonary aspergillosis and 2 with aplastic anemia developed invasive aspergillosis of the nose and paranasal sinuses. These infections were diagnosed during a period of profound neutropenia while these patients were receiving broad spectrum antibiotics. The diagnosis of pulmonary aspergillosis was based on positive sputum cultures in 4 cases and on the appearance of typical clinical and radiologic features in six. In 2 culture-positive and in one culture-negative patient, the diagnosis was confirmed at autopsy. Thus, the diagnosis was definitive in 5 patients and probable in the remaining five patients. The 5 patients who achieved remission responded to antifungal treatment and recovered, while of the 5 who eventually died from the fungal infection, 4 did not achieve remission, and one died while in complete remission. In the 2 patients with aplastic anemia, aspergillosis was detected in cultures from necrotic nasal tissue. Both patients remained neutropenic, failed to respond to antifungal treatment and died within a short time after diagnosis. From this experience it appears that invasive aspergillosis in neutropenic patients is potentially curable if treated early by amphotericin B, provided that the neutrophil count recovers.

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