Bilateral caudal zona incerta nucleus stimulation for essential tremor: outcome and quality of life.

Background: Over the past few years, bilateral stimulation of the caudal or motor part of the zona incerta nucleus (cZI) has been performed by the authors in patients with essential tremor (ET). Outcomes including quality of life data in 15 patients with a follow-up period of up to 84 months (mean 31.7 ± 28.