• Bernardo Kracer, Susan R Hintz, Krisa P Van Meurs, and Henry C Lee.
• Department of Pediatrics, Division of Neonatal and Developmental Medicine, Stanford University School of Medicine and Lucile Packard Children's Hospital Stanford, Palo Alto, CA. Electronic address: kracerb1@stanford.edu.
• J. Pediatr. 2014 Aug 1; 165 (2): 267-73.

ObjectiveTo characterize the implementation of hypothermia for neonatal hypoxic ischemic encephalopathy (HIE) in a population-based cohort.Study DesignUsing the California Perinatal Quality Care Collaborative and California Perinatal Transport System linked 2010-2012 datasets, we categorized infants≥36 weeks' gestation with HIE as receiving hypothermia or normothermia. Sociodemographic and clinical factors were compared, and multivariable logistic regression was used to determine factors associated with hypothermia therapy.ResultsThere were 238 reported encephalopathy cases in 2010, 280 in 2011, and 311 in 2012. Hypothermia therapy use in newborns with HIE increased from 59% to 73% across the study period, mainly occurring in newborns with mild or moderate encephalopathy. A total of 36 centers provided hypothermia and cared for 94% of infants, with the remaining 6% being cared for at one of 25 other centers. Of the centers providing hypothermia, 12 centers performed hypothermia therapy to more than 20 patients during the 3-year study period, and 24 centers cared for <20 patients receiving hypothermia. In-hospital mortality was 13%, which primarily was associated with the severity of encephalopathy.ConclusionsOur findings highlight an opportunity to explore practice-site variation and to develop quality improvement interventions to assure consistent evidence-based care of term infants with HIE and appropriate application of hypothermia therapy for eligible newborns.Copyright © 2014 Elsevier Inc. All rights reserved.

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