Granulocyte colony-stimulating factor (G-CSF) treatment in a neutropenic leukemia patient with diffuse interstitial pulmonary infiltrates

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Abstract
Adult respiratory distress syndrome (ARDS) in patients suffering from acute leukemia usually occurs during chemotherapy-induced neutropenia. In addition, intensified chemotherapy with high-dose cytosine arabinoside and mediastinal irradiation may contribute to the development of ARDS. This complication is usually refractory to conservative treatement with antibiotics, steroids, and mechanical ventilation. In this report, we describe a 25-year-old patient with acute lymphoblastic leukemia who developed ARDS during the phase of chemotherapy-induced neutropenia. Subcutaneous administration of granulocyte colony-stimulating factor (G-CSF) at doses of 300–600 μg/day led to a prompt increase of peripheral granulocyte counts. With resolution of neutropenia, respiratory function gradually improved, and mechanical ventilatory support was stopped after 2 weeks. From this observation we surmise that the application of G-CSF may be an effective therapeutic approach for preventing the fatal outcome of ARDS in leukemia patients with bone marrow aplasia.