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Efficacy of topiramate in children with refractory status epilepticus
Mustafa Kahriman1, Daniela Minecan, Ekrem Kutluay
1Department of Neurology, University of Michigan Health System, Ann Arbor, Michigan 48109, USA.
Insights
Topiramate (TPM) effectively terminated status epilepticus (SE) in three treatment-resistant pediatric cases. This study suggests TPM may be a viable option for refractory SE in children.
Area of Science:
- Pediatric Neurology
- Epileptology
- Clinical Pharmacology
Background:
- Status epilepticus (SE) is a critical neurological emergency with high morbidity and mortality.
- Current SE treatments occasionally fail, necessitating alternative therapeutic strategies.
- Topiramate (TPM) has shown anecdotal efficacy in adult refractory SE.
Observation:
- A retrospective review identified three pediatric patients with refractory SE.
- These patients had not responded to standard treatments including benzodiazepines, phenytoin, phenobarbital, midazolam, or pentobarbital.
- Topiramate was administered via nasogastric tube and patients were monitored via EEG.
Findings:
- All three pediatric patients achieved seizure termination within 24 hours of TPM therapy.
- TPM was initiated at 2-3 mg/kg/day and escalated to a maintenance dose of 5-6 mg/kg/day.
- Successful treatment was observed in infants and older children.
Implications:
- Topiramate demonstrates potential efficacy as a treatment for refractory status epilepticus in children.
- These findings warrant further investigation in larger, prospective studies.
- TPM may offer a new therapeutic avenue for challenging pediatric SE cases.
Purpose:
Status epilepticus (SE) is a life-threatening medical condition associated with significant morbidity and mortality that requires urgent medical intervention. Although several agents are available to treat SE, they occasionally fail to abort seizure activity. Topiramate (TPM) was anecdotally reported to be effective in adult patients with refractory SE. In this study, we evaluated the efficacy of TPM administered to children with this condition.
Methods:
We retrospectively reviewed the pediatric SE database at the University of Michigan Medical Center and identified three children with refractory SE who were treated with TPM. Those children failed to respond to treatment with benzodiazepines, phenytoin, phenobarbital, midazolam, or pentobarbital. Additional treatment with TPM was administered by nasogastric tube. All patients were continuously monitored by 21-channel digital EEG machines, and the diagnosis of SE was made by a board-certified neurophysiologist.
Results:
The ages of the three children were 4.5 months, 34 months, and 11 years. TPM was initiated at 2 mg/kg/day in two children and at 3 mg/kg/day in the third. The status was terminated in all three children within 24 h of maintenance therapy with TPM at 5-6 mg/kg/day.
Conclusions:
These results support the potential efficacy of TPM for children with refractory SE. Larger prospective series are needed to confirm those results.
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