Aim. Assess quality-of-life after vagal nerve stimulation and determine patient characteristics associated with improvement in quality-of-life. Methods. Sixteen patients (11 children, 5 adults) who had vagal nerve stimulation at our center were studied. Quality-of-life was assessed pre-and post-vagal nerve stimulation using the Quality-of-Life in Childhood Epilepsy questionnaire for children and the Epilepsy Surgery Inventory-55 for adults. Results. Sixteen patients who did not qualify for resective surgery were included; seven (43.75%) were males and 9 (56.25%) were females. Mean age at onset of seizures was 3.96 ± 4.00 years and at surgery was 15.78 ± 10.78. Follow-up time was 1.26 ± 0.92 years. Fourteen patients (87.5%) were mentally retarded. Ten (62.5%) had cryptogenic etiology and 6 patients (37.5%) symptomatic etiology. Fifty percent had localization-related epilepsy. Six of 7 patients with generalized cryptogenic etiology (85.71%) had Lennox-Gastaut syndrome. Seizures dropped from 122.31 ± 159.49 to 67.84 ± 88.22 seizures/month. Seizure reduction (> 50%) correlated with improvement in total quality-of-life (p = 0.034). Post-vagal nerve stimulation, the total group scored significantly higher in the social domain (p = 0.039). In patients with localization-related epilepsy, significant improvements were detected in the social domain (p = 0.049) and in total quality-of-life (p = 0.042). Conclusion. Despite a diverse and small population size, we observed significant improvements in the social domain 1.26 years post-vagal nerve stimulation. In addition, there was an improvement in total quality-of-life amongst patients with partial seizures. Finally, seizure reduction was associated with quality-of-life improvement. Our results support previous studies from the West reporting improvement in quality-of-life following vagal nerve stimulation, contradict those studies that did not show such differences, and are the first coming from a developing country.
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