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Evaluating Pulmonary Complications in Childhood Acute Leukemias

Erdur, Barş MD; Ylmaz, Şebnem MD; Ören, Hale MD*; Demircioğlu, Fatih MD*; Çakmakç, Handan MD†ı; İrken, Gülersu MD*

Journal of Pediatric Hematology/Oncology: July 2008 - Volume 30 - Issue 7 - pp 522-526
doi: 10.1097/MPH.0b013e31816916e4
Original Articles

We evaluated the frequency, etiologic factors, outcome, and the comorbid conditions affecting the morbidity and mortality of pulmonary complications in acute childhood leukemia. Sixty-six (40.4%) out of 163 patients developed 79 pulmonary complications. Infectious etiology was the leading cause (92.4%). The most identified infectious agents were Gram (−) bacteria, followed by fungi. Acute respiratory distress syndrome, leukostasis, lymphomatoid granulomatosis, pulmonary edema, and pneumothorax were among the noninfectious causes. The pulmonary complications in the induction and consolidation phase of leukemia therapy were more severe and the mortality rate was higher. Tachypnea, shock, oxygen and mechanical ventilation requirement, disseminated intravascular coagulation, involvement of other organs or systems, cytopenias, requirement of modification in antimicrobial drugs were found to be related with increased mortality risk. The mortality rate of pulmonary complications was 8.9%. Pulmonary infections in the maintenance phase of the therapy were frequently treated with oral antibiotics, and they were generally rapidly taken under control. In conclusion, pulmonary complications are frequent in children with acute leukemia, and early diagnosis and appropriate management are important to avoid mortality owing to pulmonary complications, especially in neutropenic patients receiving induction or consolidation phase of chemotherapy.

Departments of *Pediatric Hematology

Radiology, Dokuz Eylül University Faculty of Medicine, Izmir, Turkey

Reprints: Dr Şebnem Yılmaz, MD, Department of Pediatric Hematology, Dokuz Eylül University Faculty of Medicine, 35340 Balcova, Izmir, Turkey (e-mail: sebnem.yilmaz@deu.edu.tr).

Received for publication September 26, 2007; accepted January 14, 2008

© 2008 Lippincott Williams & Wilkins, Inc.