Comparison of direct MRI guided versus atlas-based targeting for subthalamic nucleus and globus pallidus deep brain stimulation

Purpose: The subthalamic nucleus (STN) and globus pallidus internus (GPi) targets for deep brain stimulation (DBS) can be defined by atlas coordinates or direct visualisation of the target on MRI. The aim of this study was to evaluate geometric differences between atlas-based targeting and MRI-guide...

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Bibliographic Details
Published in:British journal of neurosurgery 2023-10, Vol.ahead-of-print (ahead-of-print), p.1-6
Main Authors: Melo, Mariane, Furlanetti, Luciano, Hasegawa, Harutomo, Mundil, Nilesh, Ashkan, Keyoumars
Format: Article
Language:English
Subjects:
Deep brain stimulation
dystonia
globus pallidus internus
indirect targeting
MRI-guided direct targeting
Parkinson's disease
Subthalamic nucleus
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Summary:Purpose: The subthalamic nucleus (STN) and globus pallidus internus (GPi) targets for deep brain stimulation (DBS) can be defined by atlas coordinates or direct visualisation of the target on MRI. The aim of this study was to evaluate geometric differences between atlas-based targeting and MRI-guided direct targeting. Methods: One-hundred-nine Parkinson's disease or dystonia patients records who underwent DBS surgery between 2005 and 2016 were prospectively reviewed. MRI-guided direct targeting coordinates was used to implant 205 STN and 64 GPi electrodes and compared with atlas-based coordinates. Results: The directly targeted coordinates (mean, SD, range) for STN were x: [9.9 ± 1.1 (7.1 − 13.2)], y: [−0.8 ± 1.1 (−4.2 − 2)] and z: [−4.7 ± 0.53 (−5.9 - −3.2)]. The mean value for the STN was 2.1 mm more medial (p 
ISSN:0268-8697
1360-046X
DOI:10.1080/02688697.2020.1850641