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Updated: Aug 17, 2026

Implantation of Osmotic Pumps and Induction of Stress to Establish a Symptomatic, Pharmacological Mouse Model for DYT/PARK-ATP1A3 Dystonia
Published on: September 12, 2020
Pallidal stimulation relieves myoclonus-dystonia syndrome
C M Magariños-Ascone1, I Regidor, J C Martínez-Castrillo
1Neurología Experimental, Dipartimento di Investigación, Hospital Ramón y Cajal, Madrid 28034, Spain. carlos.magarinos@hrc.es
Abstract:
A patient with myoclonus-dystonia syndrome was treated by implanting electrodes in the internal segment of the globus pallidus (GPi) and applying deep brain stimulation. Surgery was done in two sessions. The most affected limb was treated first and the other limb one year later. Neuronal recordings showed that most pallidal neurones discharged in bursts at a relatively low firing rate (mean (SD), 46 (18) Hz) compared with cells in the GPi in patients with Parkinson's disease. Neurones modified the rate and mode of discharge with dystonic postures and rapid involuntary contractions of limb muscles. Neurological examination at 24 months after surgery showed a decline of 47.8% and 78.5% in the Burke-Fahn-Marsden and disability rating scales, respectively.
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