Article ; Online: Epilepsy Incidence and Developmental Outcomes After Early Discontinuation of Antiseizure Medication in Neonatal Hypoxic-Ischemic Encephalopathy.
2024 Volume 153, Page(s) 48–55
Abstract: ... P value 0.29). There was no significant difference in developmental outcome between the two groups ... of seizure days (OR: 0.68; 95% CI: 0.21, 2.22; P = 0.52).: Conclusion: We found no significant risk ...
| Abstract | Background: Neonatal seizures caused by hypoxic-ischemic encephalopathy (HIE) have significant morbidity and mortality. There is variability in clinical practice regarding treatment duration with antiseizure medication (ASM) after resolution of provoked neonatal seizures. We examined epilepsy incidence and developmental outcomes in post-HIE neonates discharged or not on ASM. Methods: We conducted a retrospective chart review of all HIE-admitted neonates to the University of Iowa Hospitals & Clinics neonatal intensive care unit between January 2008 and February 2021 who presented with encephalopathy, underwent therapeutic hypothermia, and developed seizures. Neonates were divided into two groups depending on whether ASM was continued or discontinued on discharge. We evaluated the incidence of epilepsy and developmental outcomes on follow-up in these two cohorts up to 12 months. Results: Sixty-nine neonates met the study criteria. ASM was continued on discharge in 41 neonates (59%) and discontinued before discharge in 28 (41%). At the 12-month follow-up, nine neonates (13%) had a diagnosis of epilepsy, out of which seven neonates had ASM continued on discharge (odds ratio [OR]: 2.84; 95% confidence interval [CI]: 0.48, 29.9)]. There was no statistical difference between the development of postneonatal epilepsy between the two groups (P value 0.29). There was no significant difference in developmental outcome between the two groups after adjusting for covariates like magnetic resonance imaging (MRI) brain abnormality and number of seizure days (OR: 0.68; 95% CI: 0.21, 2.22; P = 0.52). Conclusion: We found no significant risk of seizure recurrence by age 12 months in infants who had discontinued ASM before discharge compared with those who had continued ASM. There was no difference in developmental outcomes at the 12-month follow-up between groups after adjusting for brain MRI abnormality and the number of seizure days during admission. Our results support early discontinuation of ASM after resolution of acute provoked seizures in neonates with HIE. |
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| MeSH term(s) | Infant, Newborn ; Infant ; Humans ; Retrospective Studies ; Hypoxia-Ischemia, Brain/drug therapy ; Hypoxia-Ischemia, Brain/epidemiology ; Hypoxia-Ischemia, Brain/diagnosis ; Incidence ; Epilepsy/therapy ; Seizures/drug therapy ; Seizures/epidemiology ; Seizures/etiology ; Hypothermia, Induced/methods ; Infant, Newborn, Diseases/therapy |
| Language | English |
| Publishing date | 2024-01-11 |
| Publishing country | United States |
| Document type | Journal Article |
| ZDB-ID | 639164-3 |
| ISSN | 1873-5150 ; 0887-8994 |
| ISSN (online) | 1873-5150 |
| ISSN | 0887-8994 |
| DOI | 10.1016/j.pediatrneurol.2024.01.009 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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