Objective: Hypoglycemia is a significant risk factor for perinatal brain injury and adverse outcomes, particularly in infants requiring resuscitation following hypoxic ischemic (HI) insult. We aimed to study blood glucose (BG) levels in physiologically stressed infants in the presence or absence of epinephrine (Epi) administration at resuscitation in the first 24 hours after birth.
Study Design: A retrospective chart review of all infants with heart rate (HR) < 100/min at 1 minute requiring positive pressure ventilation (PPV) at birth was performed. Infants were classified into two groups as follows: (1) : infants' HR improved with PPV only at resuscitation, and : infants received Epi at resuscitation for persistent bradycardia. Serial measurements of BG levels collected and glucose infusion rate (GIR) calculated at 24 hours.
Results: By design, infants in the Epi group had lower cord pH and higher base deficit. BG was significantly lower overtime in premature infants ≤32 weeks of gestation in the Epi group. The BG was markedly higher in near-term and term infants in the Epi group compared with the PPV group. Hypoglycemia was more common despite administration of higher GIR in premature infants ≤32 weeks of gestation.
Conclusion: In the presence of physiological stress, premature infants are more at risk for hypoglycemia than term infants.
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