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Clinical Trial
. 2003;80(1-4):132-5.
doi: 10.1159/000075173.

Use of the NeuroMate stereotactic robot in a frameless mode for movement disorder surgery

T R K Varma  1 , P R Eldridge, A Forster, S Fox, N Fletcher, M Steiger, P Littlechild, P Byrne, A Sinnott, K Tyler, S Flintham
Affiliations
Clinical Trial

Use of the NeuroMate stereotactic robot in a frameless mode for movement disorder surgery

T R K Varma et al. Stereotact Funct Neurosurg. 2003.

Abstract

Background/aims: To evaluate the use of the NeuroMate stereotactic robot with a novel ultrasound registration system for movement disorder surgery (MDS).

Methods: Using the robot in a frameless mode, 51 patients underwent MDS. Surgical planning was carried out using MRI data obtained more than 24 h before surgery.

Results: 37 out of 50 targets in the subthalamic nucleus were satisfactorily identified with a single microelectrode trajectory and the final electrode positions were at a mean distance of 1.7 mm from the calculated target. There was a significant improvement in motor scores of the Unified Parkinson's Disease Rating Scale III (off medication) at 6 (43%) and 18 months (51.7%) compared to pre-operative scores (p < 0.05).

Conclusions: The frameless robot using only MRI data can be used for MDS. The temporal separation of imaging from the surgical procedure provides additional time for detailed image analysis and planning.

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