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Globus pallidus internus pallidotomy for generalized dystonia

Globus pallidus internus pallidotomy for generalized dystonia The authors present a young boy with severe generalized dystonia treated with bilateral simultaneous pallidotomy. Microelectrode recordings with the patient under propofol anesthesia showed that the mean discharge rate of globus pallidus internus (GPi) neurons was between 21 and 31 Hz. This contracts sharply with the mean GPi neuronal firing rates of approximately 80 Hz that are characteristic of Parkinson's disease. The patient had no immediate benefit from surgery, but a progressive improvement in both axial and limb dystonia began within 3 days. The Burke‐Fahn‐Marsden scores were 75 (maximum possible = 120) at baseline, 52 at 5 days, and 16 at 3 months after surgery. The mechanism of action of pallidotoy for dystonia and the reasons for the delayed and progressive improvement are unknown. Nevertheless, the magnitude of the improvement and the safety of the procedure in this one patient warrant a careful evaluation of pallidotomy for dystonia. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Movement Disorders Wiley

Globus pallidus internus pallidotomy for generalized dystonia

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References (23)

Publisher
Wiley
Copyright
Copyright © 1997 Movement Disorder Society
ISSN
0885-3185
eISSN
1531-8257
DOI
10.1002/mds.870120606
pmid
9399208
Publisher site
See Article on Publisher Site

Abstract

The authors present a young boy with severe generalized dystonia treated with bilateral simultaneous pallidotomy. Microelectrode recordings with the patient under propofol anesthesia showed that the mean discharge rate of globus pallidus internus (GPi) neurons was between 21 and 31 Hz. This contracts sharply with the mean GPi neuronal firing rates of approximately 80 Hz that are characteristic of Parkinson's disease. The patient had no immediate benefit from surgery, but a progressive improvement in both axial and limb dystonia began within 3 days. The Burke‐Fahn‐Marsden scores were 75 (maximum possible = 120) at baseline, 52 at 5 days, and 16 at 3 months after surgery. The mechanism of action of pallidotoy for dystonia and the reasons for the delayed and progressive improvement are unknown. Nevertheless, the magnitude of the improvement and the safety of the procedure in this one patient warrant a careful evaluation of pallidotomy for dystonia.

Journal

Movement DisordersWiley

Published: Nov 1, 1997

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