• Surender Rajasekaran, Deborah P Jones, Yvonne Avent, Michele L Shaffer, Lama Elbahlawan, Nan Henderson, Raymond C Barfield, R Ray Morrison, and Robert F Tamburro.
• St. Jude Children's Research Hospital, Memphis, TN, USA. surender.rajasekaran@spectrum-health.org
• Pediatr Crit Care Me. 2010 Nov 1;11(6):699-706.

ObjectivesTo assess the long-term benefits of continuous renal replacement therapy (CRRT) in this patient population and to analyze factors associated with survival. Hematopoietic stem cell transplantation is being utilized as curative therapy for a variety of disorders. However, organ dysfunction is commonly associated with this therapy. Continuous renal replacement therapy (CRRT) is increasingly being used in the treatment of this multiorgan dysfunction.DesignRetrospective cohort study.SettingA free-standing, tertiary care, pediatric oncology hospital.PatientsTwenty-nine allogeneic hematopoietic stem cell transplantation patients who underwent 33 courses of CRRT in the intensive care unit between January 2003 and December 2007.InterventionsCox proportional hazards regressions models were used to examine the relationship between demographic and clinical variables and length of survival.Measurements And Main ResultsThe median length of survival post CRRT initiation was 31 days; only one patient survived >6 mos. Factors associated with increased risk of death included: higher bilirubin and blood urea nitrogen levels before and at 48 hrs into CRRT, lower Pao2/Fio2 ratios at 48 hrs of CRRT, and higher C-reactive protein levels, as well as lower absolute neutrophil counts at CRRT end.ConclusionIn this single-center study, CRRT was not associated with long-term survival in pediatric allogeneic hematopoietic stem cell transplantation patients. Clinical data exist, both before and during CRRT, that may be associated with length of survival. Lower C-reactive protein levels at CRRT end were associated with longer survival, suggesting that the ability to attenuate inflammation during CRRT may afford a survival advantage. These findings require confirmation in a prospective study.

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