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Published on: August 12, 2018
Posttraumatic peripherally-induced dystonia and multifocal deep brain stimulation: case report.
Hans-Holger Capelle1, Eva Grips, Ralf Weigel
1Department of Neurosurgery, Hannover Medical School, Hannover, Germany. hhhc@gmx.net
Neurosurgery
|September 7, 2006
Summary
Multifocal deep brain stimulation (DBS) did not improve dystonia in a patient with a history of peripheral injury. This highlights the limitations of DBS for specific dystonia subtypes.
Area of Science:
- Neurology
- Neurosurgery
- Movement Disorders
Background:
- Posttraumatic dystonia can significantly impact quality of life.
- Deep brain stimulation (DBS) is an established treatment for various movement disorders.
- The efficacy of DBS in peripherally-induced dystonia requires further investigation.
Observation:
- A 34-year-old woman with an 8-year history of dystonia in her left leg following a foot injury was treated.
- Previous pallidal stimulation was ineffective, potentially due to electrode misplacement.
- The patient presented with a Burke-Fahn-Marsden motor score of 34.
Findings:
- Multifocal DBS targeting the globus pallidus internus and ventrolateral thalamus was performed.
- Chronic pallidal and thalamic stimulation did not lead to improvement in motor scores.
- The patient's dystonia remained refractory to the applied DBS therapy.
Implications:
- Deep brain stimulation may have limitations in treating specific subtypes of dystonia, particularly those with peripheral origins.
- Identifying patient subgroups who may not benefit from DBS is crucial for optimizing treatment strategies.
- Further research is needed to understand the mechanisms underlying treatment resistance in certain dystonia cases.
