Prospective Long‐Term Study of Vagus Nerve Stimulation for the Treatment of Refractory Seizures

Summary: Purpose: To determine the long‐term efficacy of vagus nerve stimulation (VNS) for refractory seizures. VNS is a new treatment for refractory epilepsy. Two short‐term double‐blind trials have demonstrated its safety and efficacy, and one long‐term study in 114 patients has demonstrated a cumulative improvement in efficacy at 1 year. We report the largest prospective long‐term study of VNS to date.

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