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Heart rate variability in encephalopathic newborns during and after therapeutic hypothermia
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نویسنده
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Massaro A N ,Govindan R B ,Al-Shargabi T ,Andescavage N N ,Metzler M ,Chang T ,Glass P ,Plessis A J du
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منبع
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journal of perinatology - 2014 - دوره : 34 - شماره : 11 - صفحه:836 -841
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چکیده
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Objective:to evaluate whether heart rate variability (hrv) measures are predictive of neurological outcome in babies with hypoxic ischemic encephalopathy (hie).study design:this case–control investigation included 20 term encephalopathic newborns treated with systemic hypothermia in a regional neonatal intensive care unit. electrocardiographic data were collected continuously during hypothermia. spectral analysis of beat-to-beat heart rate interval was used to quantify hrv. hrv measures were compared between infants with adverse outcome (death or neurodevelopmental impairment at 15 months, n=10) and those with favorable outcome (survivors without impairment, n=10).result:hrv differentiated infants by outcome during hypothermia through post-rewarming, with the best distinction between groups at 24 h and after 80 h of life.conclusion:hrv during hypothermia treatment distinguished hie babies who subsequently died or had neurodevelopmental impairment from intact survivors. this physiological biomarker may identify infants in need of adjuvant neuroprotective interventions. these findings warrant further investigation in a larger population of infants with hie.
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آدرس
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Children's National Medical Center, Department of Neonatology, Department of Fetal and Transitional Medicine, USA. The George Washington University School of Medicine, Department of Pediatrics, USA, Children's National Medical Center, Department of Fetal and Transitional Medicine, USA. The George Washington University School of Medicine, Department of Pediatrics, USA, Children's National Medical Center, Department of Fetal and Transitional Medicine, USA. Virginia Commonwealth University, Richmond, Children's National Medical Center, Department of Neonatology, Department of Fetal and Transitional Medicine, USA. The George Washington University School of Medicine, Department of Pediatrics, USA, Children's National Medical Center, Department of Fetal and Transitional Medicine, USA, The George Washington University School of Medicine, Department of Pediatrics, USA. Children's National Medical Center, Department of Neurology, USA, The George Washington University School of Medicine, Department of Pediatrics, USA. Children’s National Medical Center, Department of Psychiatry and Behavioral Sciences, Washington, Children's National Medical Center, Department of Fetal and Transitional Medicine, USA. The George Washington University School of Medicine, Department of Pediatrics, USA
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Authors
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