Opioid Withdrawal in Critically Ill Neonates
2003
OBJECTIVE:To determine the occurrence of and risk factors for opioid withdrawal in critically ill neonates receiving continuous infusions of fentanyl.DESIGN:A prospective interventional cohort study was conducted in a university hospital neonatal intensive care unit with 19 neonates who received a minimum of 24 hours of fentanyl by continuous infusion.MEASUREMENTS:Fentanyl total dose, duration of infusion, and peak infusion rate were recorded. Patients were evaluated for withdrawal using the Neonatal Abstinence Scoring System of Finnegan. Patients with a score ≥8 were considered to have opioid withdrawal.MAIN RESULTS:Withdrawal was observed in 10 (53%) of 19 neonates. The fentanyl total dose (median 525 vs. 168 μg/kg, respectively; p = 0.03) and infusion duration (median 10 vs. 7 d, respectively; p = 0.04) were significantly greater in neonates with withdrawal compared to those without withdrawal. A fentanyl total dose ≥415 μg/kg predicted withdrawal with 70% sensitivity and 78% specificity. A fentanyl in...
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