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Outcome After Therapeutic Hypothermia in Term Neonates With Encephalopathy and a Syndromic Diagnosis


The large randomized, controlled trials of therapeutic hypothermia for hypoxic-ischemic encephalopathy excluded neonates with congenital disorders. The objective of this study was to report our experience using hypothermia in neonates with signs of hypoxic-ischemic encephalopathy and a syndromic disorder or brain anomaly. Subjects were identified from a database of neonates admitted to the Neuro-Intensive Care Nursery at University of California, San Francisco. Of 169 patients fulfilling criteria for hypothermia, 8 (5%) had a syndromic disorder and were cooled per guidelines for nonsyndromic neonates. Perinatal characteristics of infants with and without syndromic disorder were not significantly different. Overall outcome was poor: 38% had evidence of acute hypoxic-ischemic injury, 3 subjects died, and 2 survivors had low developmental quotient (ie, 25). The risk versus benefit of therapeutic hypothermia for hypoxic-ischemic encephalopathy among neonates with congenital brain malformations or syndromic diagnoses is uncertain.

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