Affiliation:
1. Department of Neurology Baylor College of Medicine Houston Texas USA
2. Neurology Care Line VA Medical Center Houston Texas USA
Abstract
AbstractObjectiveThere are three neurostimulation devices available to treat generalized epilepsy: vagus nerve stimulation (VNS), deep brain stimulation (DBS), and responsive neurostimulation (RNS). However, the choice between them is unclear due to lack of head‐to‐head comparisons. A systematic comparison of neurostimulation outcomes in generalized epilepsy has not been performed previously. The goal of this meta‐analysis was to determine whether one of these devices is better than the others to treat generalized epilepsy.MethodsFollowing PRISMA (Preferred Reporting Items for Systematic Reviews and Meta‐Analyses) guidelines, a systematic review of PubMed, Embase, and Web of Science was performed for studies reporting seizure outcomes following VNS, RNS, and DBS implantation in generalized drug‐resistant epilepsy between the first pivotal trial study for each modality through August 2022. Specific search criteria were used for VNS (“vagus”, “vagal”, or “VNS” in the title and “epilepsy” or “seizure”), DBS (“deep brain stimulation”, “DBS”, “anterior thalamic nucleus”, “centromedian nucleus”, or “thalamic stimulation” in the title and “epilepsy” or “seizure”), and RNS (“responsive neurostimulation” or “RNS” in the title and “epilepsy” or “seizure”). From 4409 articles identified, 319 underwent full‐text reviews, and 20 studies were included. Data were pooled using a random‐effects model using the meta package in R.ResultsSufficient data for meta‐analysis were available from seven studies for VNS (n = 510) and nine studies for DBS (n = 87). Data from RNS (five studies, n = 18) were insufficient for meta‐analysis. The mean (SD) follow‐up durations were as follows: VNS, 39.1 (23.4) months; DBS, 23.1 (19.6) months; and RNS, 22.3 (10.6) months. Meta‐analysis showed seizure reductions of 48.3% (95% confidence interval [CI] = 38.7%–57.9%) for VNS and 64.8% (95% CI = 54.4%–75.2%) for DBS (p = .02).SignificanceOur meta‐analysis indicates that the use of DBS may lead to greater seizure reduction than VNS in generalized epilepsy. Results from RNS use are promising, but further research is required.
Subject
Neurology (clinical),Neurology
Cited by
13 articles.
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