Neuropsychological evaluation before and after thalamic stimulation in 9 patients with Parkinson disease

Chronic thalamic-VIM stimulation was performed in 9 parkinsonian patients with disabling tremor and poor response to drugs. Neuropsychological assessment was performed before and after deep brain electrode implantation and stimulation. Mild cognitive disorders were observed prior to thalamic implant...

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Bibliographic Details
Published in:	Revue neurologique Vol. 148; no. 2; p. 117
Main Authors:	Caparros-Lefebvre, D, Blond, S, Pécheux, N, Pasquier, F, Petit, H
Format:	Journal Article
Language:	French
Published:	France 1992
Subjects:	Aged Electric Stimulation Therapy Humans Levodopa - therapeutic use Middle Aged Parkinson Disease - complications Parkinson Disease - therapy Psychophysiologic Disorders - etiology Stereotaxic Techniques Thalamic Nuclei Thalamus - surgery Tremor - therapy
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Summary:	Chronic thalamic-VIM stimulation was performed in 9 parkinsonian patients with disabling tremor and poor response to drugs. Neuropsychological assessment was performed before and after deep brain electrode implantation and stimulation. Mild cognitive disorders were observed prior to thalamic implantation. Neuropsychological testing failed to show intellectual function worsening after implantation and stimulation. We conclude that thalamic stimulation could be an appropriate treatment of untractable tremor as this could provide less neuropsychological side-effects than thalamotomy, especially in Parkinson's disease.
ISSN:	0035-3787