Systematic review and meta-analysis of vagus nerve stimulation in the treatment of depression: variable results based on study designs.


PURPOSE To determine the efficacy of vagus nerve stimulation (VNS) for treatment of depression. METHODS We conducted a systematic review and meta-analysis of analytical studies. Efficacy was evaluated according to severity of illness and percentage of responders. RESULTS We identified 687 references. Of these, 14 met the selection criteria and were… (More)
DOI: 10.1016/j.eurpsy.2011.07.006


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