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Published on: January 7, 2011
Postanoxic generalized dystonia improved by bilateral Voa thalamic deep brain stimulation
J Ghika1, J G Villemure, J Miklossy
1Department of Neurology, Centre Hospitalia Universitaire Vaudois, Lausanne, Switzerland. joseph.ghika@chuv.hospvc.ch
Neurology
|January 24, 2002
Summary
Deep brain stimulation (DBS) targeting the ventralis oralis anterior (Voa) significantly improved severe postanoxic dystonia, enabling ambulation. However, the patient later died by suicide, despite cognitive preservation and correct electrode placement.
Area of Science:
- Neurology
- Neurosurgery
- Movement Disorders
Background:
- Postanoxic dystonia is a severe movement disorder resulting from brain injury.
- Deep brain stimulation (DBS) is a potential treatment for refractory dystonia.
- Pallidal DBS (GPi-DBS) was initially unsuccessful in this patient.
Observation:
- A patient with severe postanoxic dystonia and basal ganglia necrosis received bilateral ventralis oralis anterior DBS (Voa-DBS).
- The patient showed significant motor improvement and regained ambulation after 4 months of Voa-DBS.
- Despite cognitive preservation, the patient died by suicide.
Findings:
- Voa-DBS led to substantial motor recovery in severe postanoxic dystonia.
- Electrode placement in both GPi-DBS and Voa-DBS was confirmed to be accurate.
- The study highlights a complex outcome with significant motor gains but a tragic end.
Implications:
- Voa-DBS may be an effective therapeutic target for severe postanoxic dystonia.
- Further research is needed to understand the psychological impact and suicide risk associated with DBS for dystonia.
- Accurate electrode placement is crucial for effective DBS outcomes.
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