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Control of post-stroke movement disorders using chronic motor cortex stimulation.
Y Katayama1, H Oshima, C Fukaya
1Department of Neurological Surgery, Nihon University School of Medicine, Tokyo, Japan.
Acta Neurochirurgica. Supplement
|April 27, 2002
Summary
Motor cortex stimulation shows promise for managing post-stroke movement disorders like tremors and involuntary movements. Further clinical studies are warranted to explore its full potential in improving motor function after stroke.
Area of Science:
- Neurology
- Neurosurgery
- Rehabilitation Medicine
Background:
- Post-stroke movement disorders significantly impact patient quality of life.
- Motor cortex (MC) stimulation is an emerging therapeutic option.
Purpose of the Study:
- To analyze the effects of MC stimulation on various post-stroke movement disorders.
- To evaluate MC stimulation for both primary movement disorder control and secondary effects in pain management patients.
Main Methods:
- Retrospective analysis of 50 patients undergoing MC stimulation.
- Patients were grouped based on primary indication: involuntary movements (n=8) or central pain (n=42).
- Effects on co-existent movement disorders were assessed.
Main Results:
- Good control of involuntary movements achieved in hemichoreo-athetosis (2/3) and distal tremors (2/2).
- Some benefit observed for proximal postural tremor (1/3).
- Attenuated rigidity led to subjective motor performance improvement in 8 patients with mild weakness.
Conclusions:
- MC stimulation demonstrates efficacy in controlling specific post-stroke involuntary movements and tremors.
- MC stimulation may offer benefits for motor weakness through rigidity attenuation.
- Findings support further clinical investigation of MC stimulation for post-stroke movement disorders.