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Vagal nerve stimulation--the Norwegian experience
Karl O Nakken1, Olaf Henriksen, Geir K Røste
1The National Centre for Epilepsy, Sandvika, Norway. karl.otto.nakken@epilepsy.no
Seizure
|December 24, 2002
Summary
Vagal nerve stimulation (VNS) effectively reduced seizure frequency in Norwegian patients with refractory epilepsy. This safe treatment option is recommended for those with medically or surgically intractable seizures.
Area of Science:
- Neurology
- Epileptology
Background:
- Refractory epilepsy poses significant challenges for patients and clinicians.
- Limited treatment options exist for individuals with medically or surgically intractable seizures.
Purpose of the Study:
- To evaluate the efficacy and tolerability of vagal nerve stimulation (VNS) in a Norwegian cohort.
- To assess VNS as a treatment for refractory epileptic seizures.
Main Methods:
- Open retrospective study design.
- Involved 47 patients with refractory epilepsy.
- Mean follow-up of 2.7 years.
Main Results:
- 34% of patients experienced >50% reduction in seizure frequency with VNS.
- One patient achieved complete seizure freedom.
- VNS was generally well tolerated, with few discontinuations due to side effects.
Conclusions:
- Vagal nerve stimulation is an efficacious and safe treatment for refractory epilepsy.
- VNS should be considered for patients with seizures refractory to medical and surgical interventions.