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Vagus nerve stimulation for intractable seizures in children
Russell P Saneto1, Marcio A Sotero de Menezes, Jeffrey G Ojemann
1Division of Pediatric Neurology, Children's Hospital and Regional Medical Center/University of Washington, Seattle, WA 98105, USA. russ.saneto@seattlechildrens.org
Insights
Vagus nerve stimulation effectively reduced intractable seizures in children under 12. This treatment showed a median 55% seizure reduction, offering significant improvement for medically refractory epilepsy.
Area of Science:
- Pediatric Neurology
- Epilepsy Treatment
- Neuromodulation
Background:
- Intractable seizures in children pose significant challenges.
- Limited treatment options exist for medically refractory epilepsy in pediatric populations.
- Vagus nerve stimulation (VNS) is an established neuromodulation therapy.
Purpose of the Study:
- To evaluate the efficacy of vagus nerve stimulation (VNS) in children under 12 with intractable seizures.
- To assess the impact of VNS on seizure frequency and severity in this pediatric cohort.
- To determine the effectiveness of VNS across different seizure types.
Main Methods:
- A cohort of 43 children under 12 years with intractable seizures received vagus nerve stimulation.
- Patients were monitored for varying durations: <12 months (n=5), 12-17 months (n=16), and >=18 months (n=22).
- Seizure reduction was the primary outcome measure.
Main Results:
- An overall median seizure reduction of 55% was observed.
- Thirty-seven percent of children experienced at least a 90% reduction in seizures.
- Vagus nerve stimulation demonstrated effectiveness in children with generalized, mixed, and partial medically refractory seizures.
Conclusions:
- Vagus nerve stimulation is an effective treatment for intractable seizures in children under 12.
- VNS provides significant seizure reduction across various epilepsy types in pediatric patients.
- This neuromodulation therapy offers a viable option for medically refractory epilepsy in children.
Abstract:
Forty-three children less than 12 years of age having intractable seizures were treated with vagus nerve stimulation. Five children were monitored for <12 months, 16 children for 12 to 17 months, and 22 children for > or =18 months with overall median seizure reduction of 55%. Thirty-seven percent had at least 90% reduction. Vagus nerve stimulation was effective in children with generalized, mixed, and partial medically refractory seizures.
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