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Published on: November 8, 2024
Switching a baby from IV levomethadone to IV fentanyl
Hans Ulrich Bender1, Hans-Georg Muench2, Claudia Franziska Nussbaum2
1Center for Pediatric Palliative Care, Dr. von Hauner Children's Hospital, University of Munich Medical Center, Ludwig-Maximilians-University, Munich, Germany.
Insights
This case study details switching a preterm infant from levomethadone to fentanyl for opioid withdrawal. It suggests a conversion ratio and highlights critical steps for neonates during opioid rotation.
Area of Science:
- Pediatric intensive care
- Neonatal pharmacology
- Pain management
Background:
- Levomethadone is used for iatrogenic opioid withdrawal in pediatric intensive care units.
- Limited data exists on opioid rotation from methadone in pediatric patients.
- Switching opioids in critically ill neonates requires careful consideration.
Purpose of the Study:
- To report the successful switch from intravenous levomethadone to intravenous fentanyl in a critically ill preterm infant.
- To identify a potential conversion ratio for this specific opioid rotation in neonates.
- To emphasize critical steps for safe opioid rotation in unstable infants.
Main Methods:
- Case report of a preterm infant in unstable condition undergoing opioid withdrawal management.
- Switch from intravenous levomethadone to intravenous fentanyl.
- Careful titration and dose adjustment based on clinical response.
Main Results:
- A possible levomethadone to fentanyl conversion ratio of 6.0-4.5:1 was identified.
- Successful transition to fentanyl was achieved, managing the infant's condition.
- Critical steps included ensuring equipotency and dose reduction for incomplete cross-tolerance.
Conclusions:
- This case provides initial data on levomethadone to fentanyl conversion in neonates.
- Equipotency and dose reduction are crucial for safe opioid rotation in unstable infants.
- These observations may guide clinical practice when managing opioid withdrawal in neonates.
Abstract:
Methadone, or in Germany levomethadone, may be used for the treatment of iatrogenic opioid withdrawal syndrome in pediatric intensive care units. The limited literature on opioid rotation in children does not provide data for the switch from methadone to another opioid. We report switching a very ill preterm baby in an unstable condition from IV levomethadone to IV fentanyl identifying a possible conversion ratio of 6.0-4.5:1 emphasizing critical steps as equipotency appropriate for neonates and dose reduction for incomplete cross-tolerance. If clinical deterioration occurs in infants on opioid tapering with levomethadone, we hope that our observations may be helpful.
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