Efficacy of vagus nerve stimulation for children with drug-resistant epilepsy: Retrospective study

•Approximately 10–20 % of epileptic children develop drug-resistant epilepsy.•Refractory epilepsy as a failure of complete response to antiepileptic drugs.•According to our investigation VNS significantly reduced the frequency of seizures.•And improved areas related to the quality of life in patients.•VNS as an effective treatment modality for drug-resistant epilepsy in children.