• Cağlar Odek, Tanil Kendirli, Figen Doğu, Ayhan Yaman, Göksel Vatansever, Funda Cipe, Sule Haskoloğlu, Can Ateş, Erdal Ince, and Aydan Ikincioğullari.
• Department of Pediatrics, Division of Pediatric Critical Care, Ankara University Faculty of Medicine, Ankara, Turkey, odek@ankara.edu.tr.
• J. Clin. Immunol. 2014 Apr 1;34(3):309-15.

PurposesThe aims of this study were to review the frequency, characteristics, and the clinical course of primary immunodeficiency (PID) patients admitted to pediatric intensive care unit (PICU) and attempt to identify factors related with mortality that might predict a poor outcome.MethodsWe performed a retrospective review of children with PID aged 1 month to 18 years and admitted to PICU from January 2002 to January 2012 in our tertiary teaching children's hospital.ResultsThere were a total of 51 patients accounting for 71 admissions to the PICU. The most common diagnosis was severe combined immunodeficiency. Respiratory problems were the leading cause for admission. A total of 20 patients received hematopoietic stem cell transplantation. Immune reconstitution was achieved in 9 (45 %) patients and eight of them did survive. In all 56 % of all admission episodes resulted in survival. Risk factors for mortality included requirement of mechanical ventilation (P < .001), number of organ system failure (P = .013), need for renal replacement therapy (P < .001), use of inotropes (P < .001), higher Pediatric Logistic Organ Dysfunction (PELOD) score (P = .005), and length of PICU stay (P < .001).ConclusionsThis is the first study regarding the outcome and mortality-related risk factors for PID patients requiring PICU admission. We suggest that PICU management is as important as early diagnosis and treatment for these patients. Prediction of those at risk for poorer outcome might be beneficial for accurate intensive care management and survival.

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