Treatment of drug-resistant epilepsy with vagus nerve stimulation m review of 45 cases
Treatment of drug-resistant epilepsy with vagus nerve stimulation m review of 45 cases作者机构：Department of Functional Neurosurgery Beijing Sanbo BrainHospital Capital Medical University Beijing 100093 China
出 版 物：《Chinese Medical Journal》 (中华医学杂志（英文版）)
年 卷 期：2011年第24期
页 面：4184-4188页
核心收录：
学科分类：0710[理学-生物学] 07[理学] 071009[理学-细胞生物学] 09[农学] 071006[理学-神经生物学] 0901[农学-作物学] 090102[农学-作物遗传育种]
主 题：epilepsy vagus nerve stimulation treatment outcome safety prognosis
摘 要：Background Vagus nerve stimulation （VNS） is an alternative treatment for drug-resistant epilepsy （DRE）. The study aimed to explore the potential factors of prognosis, safety and effect of VNS treatment in patients with DRE. Methods We retrospectively examined 45 cases of DRE that received VNS treatment in our center from June 2004 to June 2010 and analyzed the parameters （age of patient receiving VNS, seizure frequency before and after VNS as well as treatment duration） by Student＇s t test, Fisher＇s exact and Mann-Whitney U tests, and multivariate Logistic regression. Results The overall response rate was 64% （29/45）, 67% （6/9） for adults and 64% （23/36） for children, with no significant difference （P=0.28）. Twenty-two cases had been in VNS therapy for over 1 year with a treatment efficacy of 73% （16/22）, whereas 23 cases had been in VNS therapy no more than 1 year with a treatment effecacy of 57% （13/23）, and has statistically significant difference （P=0.03）. The main side effect included hoarseness of voice and cough. One patient＇s device was removed due to infection. One patient＇s VNS was half-way terminated due to seizure aggravation. One patient died due to status epilepticus. Conclusions VNS is a safe and effective treatment for DRE. Duration of VNS therapy may be a crucial factor on prognosis.
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