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Deep brain stimulation for movement disorders: what counts in the end is the end result
  1. Peter Warnke
  1. Correspondence to Professor Peter Warnke, Department of Neurosurgery, University of Chicago, 5841 South Maryland Avenue, Chicago, IL 60637, USA; pwarnke{at}

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Deep brain stimulation (DBS) for movement disorders, in particular, Parkinson's disease and essential tremor, is a very well established treatment modality with proven efficacy in randomised controlled trials compared with best medical treatment.1 ,2

What is lacking is the answer to the question whether this is a sustained treatment effect over decades, as patients have a close to normal life expectancy, or whether DBS only works temporarily until the disease has progressed to a stage were DBS is rendered inefficacious. A positive question linked to this is whether DBS may even …

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  • Competing interests None.

  • Provenance and peer review Commissioned; internally peer reviewed.

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