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Published on: June 11, 2020
Neonatal seizures: diagnosis and management
Shashikant Subramani Seshia1, Richard James Huntsman, Noel John Lowry
1Department of Pediatrics, University of Saskatchewan, Saskatoon, Canada. sseshia@yahoo.ca
Summary
Diagnosing neonatal seizures is difficult due to varied symptoms. Phenobarbital is the primary treatment, but individualized dosing and early consideration of metabolic disorders are key for better outcomes in newborns.
Area of Science:
- Neonatal Neurology
- Pediatric Epilepsy
- Clinical Neurophysiology
Background:
- Neonatal seizures present diagnostic challenges due to diverse paroxysmal motor phenomena, requiring precise differentiation for effective management.
- Etiologies are multifactorial, region-specific, and evolving, with hypoxia-ischemia and infections remaining prevalent globally.
- Increasing recognition of cerebrovascular events and the importance of identifying treatable conditions like inborn errors of metabolism are critical.
Purpose of the Study:
- To review current information on neonatal seizures.
- To provide evidence-based suggestions for the management of neonatal seizures.
- To highlight key considerations in diagnosis and treatment strategies.
Main Methods:
- Review of existing literature and clinical guidelines on neonatal seizures.
- Analysis of etiological factors and their impact on prognosis.
- Evaluation of current treatment protocols and drug choices.
Main Results:
- Phenobarbital is the established first-line anti-epileptic drug globally for neonatal seizures.
- Pharmacogenetics and organ dysfunction necessitate dose adjustments for all anti-epileptic drugs.
- Early consideration of vitamin-responsive seizures (pyridoxine, folinic acid, biotin) is recommended for intractable cases.
Conclusions:
- Accurate diagnosis, often aided by video-EEG monitoring, is crucial for appropriate neonatal seizure management.
- Etiology significantly influences patient outcomes, emphasizing early identification and treatment of underlying causes.
- Management strategies should account for drug pharmacokinetics, potential toxicities, and the specific nature (acute symptomatic vs. chronic) of seizures.
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