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Arquivos de Neuro-Psiquiatria

Print version ISSN 0004-282X
On-line version ISSN 1678-4227


FERRAZ, FERNANDO P. et al. Stereotaxic thalamotomy and pallidotomy with computerized planning without ventriculography in Parkinson's disease: short-term evaluation of motor function in 50 patients. Arq. Neuro-Psiquiatr. [online]. 1998, vol.56, n.4, pp.789-797. ISSN 0004-282X.

We evaluated the motor function of 50 patients with Parkinson's disease, who underwent stereotaxic surgery with computerized planning, without ventriculography (ventrolateral thalamotomy- VLT- and/or posteroventral pallidotomy- PVP) before and one month after surgery. 27 unilateral TVL, 10 unilateral PVP, 6 bilateral PVP, and 7 TVL with PVP were performed. The motor evaluation was performed with the Unified Parkinson's Disease Rating Scale, motor score, during on and off periods. We observed a global motor improvement in all groups. The improvement of dyskinesias was obtained in the contralateral side of the body, in the PVP groups. From the 50 patients, 16 (32%) presented post-operative complications, 9 of these (56,25%) improved completely, 6 (37,25 %) improved partially, and 1 (6,25 %) did not improve during the first month. These results were considered satisfactory, and a long term analysis will show whether these benefits are long lasting or not.

Keywords : Parkinson's disease; thalamotomy; pallidotomy.

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