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Optimization of VIM Targeting in Essential Tremor Surgery
Sponsor: University Hospital, Bordeaux
Summary
Deep brain stimulation (DBS) for essential tremor is based on the intermedius ventralis nucleus of the thalamus (VIM) stimulation. This structure is however very difficult to target, as it remains invisible on imaging. The current procedure based on awake surgery with clinical and electrophysiological testings has several limitations that lead us to develop a probabilistic model to locate precisely the target. This study aims to show that asleep DBS surgery based on this new targeting method leads to at least the same clinical results than the classical procedure.
Key Details
Gender
All
Age Range
18 Years - 75 Years
Study Type
INTERVENTIONAL
Enrollment
22
Start Date
2019-03-18
Completion Date
2023-08-29
Last Updated
2026-05-27
Healthy Volunteers
No
Conditions
Interventions
Opti-VIM targeting in DBS surgery
DBS surgery will be performed under general anaesthesia, without intra-operative clinical and electrophysiological testing, with a surgical robot and under CT-scan guidance (O-Arm ©). The VIM coordinates will be calculated with the probabilistic model that have been developed.
Locations (2)
CHU de Bordeaux
Bordeaux, France
Hospices Civils de Lyon
Bron, France