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Neonatal Antiepileptic Medication Treatment Patterns: A Decade of Change
Vi T Le1, Hibo H Abdi1, Pablo J Sánchez1,2,3,4
1Center for Perinatal Research, The Research Institute at Nationwide Children's Hospital, Columbus, Ohio.
Insights
Phenobarbital use for neonatal seizures decreased, while levetiracetam use increased significantly. Further research is needed to confirm levetiracetam
Area of Science:
- Neonatal neurology and pharmacology.
- Pediatric seizure management.
- Clinical epidemiology of neonatal care.
Background:
- Neonatal seizures are a critical concern requiring prompt and effective treatment.
- Anticonvulsant medications are the cornerstone of neonatal seizure management.
- Understanding trends in anticonvulsant use is vital for optimizing care.
Purpose of the Study:
- To determine the frequency and characteristics of anticonvulsant medication initiation in neonates.
- To analyze trends in the use of specific anticonvulsant drugs during the neonatal period.
- To identify factors associated with anticonvulsant administration in newborns.
Main Methods:
- Analysis of a cohort of neonates diagnosed with seizures, discharged between 2007 and 2016.
- Utilized data from the Pediatric Health Information System.
- Modified Poisson regression was employed to calculate adjusted risk ratios for anticonvulsant initiation.
Main Results:
- A significant decrease in phenobarbital initiation and continuation was observed.
- Levetiracetam initiation and continuation rates markedly increased during the study period.
- Neonates with intraventricular hemorrhage, stroke, or hypoxic ischemic encephalopathy (HIE) showed higher anticonvulsant use.
Conclusions:
- Phenobarbital remains a primary treatment for neonatal seizures, but its use is declining.
- Levetiracetam is emerging as a significant second-line therapy for neonatal seizures.
- Further investigation into levetiracetam's efficacy and long-term outcomes is warranted.
Objective:
This study aims to describe the frequency and characteristics of anticonvulsant medication treatments initiated in the neonatal period.
Study Design:
We analyzed a cohort of neonates with a seizure diagnosis who were discharged from institutions in the Pediatric Health Information System between 2007 and 2016. Adjusted risk ratios and 95% confidence intervals for characteristics associated with neonatal (≤ 28 days postnatal) anticonvulsant initiation were calculated via modified Poisson regression.
Results:
A total of 6,245 infants from 47 institutions were included. There was a decrease in both phenobarbital initiation within the neonatal period (96.9 to 91.3%, p = 0.015) and continuation at discharge (90.6 to 68.6%, p <0.001). Levetiracetam (7.9 to 39.6%, p < 0.001) initiation within the neonatal period and continuation at discharge (9.4 to 49.8%, p < 0.001) increased. Neonates born at ≥ 37 weeks' gestation and those diagnosed with intraventricular hemorrhage, ischemic/thrombotic stroke, other hemorrhagic stroke, and hypoxic ischemic encephalopathy (HIE) had a higher probability of anticonvulsant administration. The most prevalent diagnosis was HIE (n = 2,223, 44.4%).
Conclusion:
Phenobarbital remains the most widely used neonatal seizure treatment. Levetiracetam is increasingly used as a second line therapy. Increasing levetiracetam use indicates a need for additional study to determine its effectiveness in reducing seizure burden and improving long-term outcomes.
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