• Arch. Dis. Child. Fetal Neonatal Ed. · Mar 2016

    Growth restriction and gender influence cerebral oxygenation in preterm neonates.

    • Emily Cohen, Willem Baerts, Thomas Alderliesten, Jan Derks, Petra Lemmers, and Frank van Bel.
    • Department of Neonatology, Wilhelmina Children's Hospital/University Medical Centre Utrecht, Utrecht, The Netherlands The Ritchie Centre, Hudson Institute of Medical Research and Department of Paediatrics, Monash University, Melbourne, Victoria, Australia.
    • Arch. Dis. Child. Fetal Neonatal Ed. 2016 Mar 1; 101 (2): F156-61.

    ObjectiveTo investigate the effect of fetal growth restriction and gender on cerebral oxygenation in preterm neonates during the first 3 days of life.DesignCase-control study.SettingNeonatal Intensive Care Unit of the Wilhelmina Children's Hospital, The Netherlands.Patients68 (41 males) small for gestational age (SGA) (birth weight <10th percentile) and 136 (82 males) appropriate for gestational age (AGA) (birth weight 20th-80th percentile) neonates, matched for gender, gestational age, ventilatory and blood pressure support.MethodsRegional cerebral oxygen saturation (rScO2) and cerebral fractional tissue oxygen extraction (cFTOE) as measured by near-infrared spectroscopy throughout the first 72 h of life were compared between SGA and AGA neonates. The effect of gender was also explored within these comparisons.ResultsSGA neonates demonstrated higher rScO2 (71% SEM 0.2 vs 68% SEM 0.2) and lower cFTOE (0.25 SEM 0.002 vs 0.29 SEM 0.002) than AGA neonates. There was an independent effect of gender on rScO2 and cFTOE, resulting in the finding that SGA males displayed highest rScO2 and lowest cFTOE (73% SEM 0.3 respectively 0.24 SEM 0.003). AGA males and SGA females showed comparable rScO2 (69% SEM 0.2 vs 69% SEM 0.4) and cFTOE (0.28 SEM 0.002 vs 0.28 SEM 0.004). AGA females showed lowest rScO2 and highest cFTOE (66% SEM 0.2 respectively 0.30 SEM 0.002).ConclusionsGrowth restriction and gender influence cerebral oxygenation and oxygen extraction in preterm neonates throughout the first 3 days of life.Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/

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