DBS in Dystonia and Other Hyperkinetic Movement Disorders

Area of Science:

• Neurology
• Neurosurgery

Background:

• Hyperkinetic movement disorders necessitate ruling out reversible causes and medication side effects.
• Deep brain stimulation (DBS) is a treatment option for pharmacoresistant movement disorders impacting quality of life.

Purpose of the Study:

• To review the current status and challenges of deep brain stimulation (DBS) for various hyperkinetic movement disorders.
• To highlight the need for individualized treatment approaches in less-established DBS indications.

Main Methods:

• Review of existing literature on DBS for hyperkinetic movement disorders.
• Analysis of established DBS targets and outcomes for Parkinson's disease, tremor, and primary dystonia.
• Evaluation of limited data for secondary dystonia, Gilles de la Tourette syndrome, chorea, and ballism.

Main Results:

• DBS is an established therapy for Parkinson's disease (GPi-STN), tremor (VIM), and primary dystonia (GPi) with known risks and predictive factors.
• Limited data and undefined targets exist for DBS in secondary dystonia, Gilles de la Tourette syndrome, chorea, and ballism.
• Reported outcomes for these less-common indications are generally less significant than for established ones.

Conclusions:

• Established indications for DBS have clear targets, guidelines, and predictive factors.
• For other hyperkinetic movement disorders, a multidisciplinary, individualized approach is crucial, with DBS considered only in expert centers.
• Further research is needed to define optimal targets and refine DBS therapy for less common hyperkinetic movement disorders.