Key clinical point: Focused ultrasound thalamotomy provides benefit over 3 years in patients with medication-refractory essential tremor.
Major finding: At 3 years, the range of improvement in hand tremor from baseline was 38%-50%.
Study details: Long-term follow up of 75 patients in a randomized controlled trial of focused ultrasound thalamotomy for essential tremor.
Disclosures: InSightec, the maker of the focused ultrasound equipment used in the study, supported the study. Several of the investigators received research funding from InSightec.
Halpern CH et al. Neurology. 2019 Nov 20 (Epub ahead of print).