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Updated: Aug 6, 2025

Controlling Parkinson's Disease With Adaptive Deep Brain Stimulation
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Deep Brain Stimulation: When to Test Directional?

Ines Debove1, Katrin Petermann1, Andreas Nowacki2

  • 1Department of Neurology, Inselspital, Bern University Hospital University of Bern Bern Switzerland.

Movement Disorders Clinical Practice
|March 23, 2023
PubMed
Summary
This summary is machine-generated.

Directional deep brain stimulation (DBS) programming can be optimized. Identifying specific contacts that benefit from directional steering can improve therapeutic outcomes for Parkinson's disease patients.

Keywords:
Parkinson's diseasecurrent steeringdeep brain stimulationdirectional electrodessubthalamic nucleus

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Area of Science:

  • Neurosurgery
  • Neurology
  • Biomedical Engineering

Background:

  • Directional deep brain stimulation (DBS) offers precise control over the stimulation field.
  • Current methods for directional steering require extensive and time-consuming contact testing.
  • Determining when directional current steering is most advantageous is crucial for efficient programming.

Purpose of the Study:

  • To evaluate the benefit of directional current steering in Parkinson's disease patients.
  • To develop a predictive model for identifying contacts that benefit from directional stimulation.
  • To optimize the programming process for directional DBS.

Main Methods:

  • Fifty-two Parkinson's disease patients with STN directional DBS underwent standardized monopolar programming.
  • Individual contacts were tested to assess the advantage of directional stimulation.
  • A prediction model was developed to identify contacts suitable for directional steering.

Main Results:

  • No significant average difference in therapeutic window between ring-level and best directional contacts.
  • 66% of patients and 35% of contacts showed a larger therapeutic window with directional stimulation.
  • Directional steering benefit was predicted with 79% sensitivity and 57% specificity.

Conclusions:

  • Directional stimulation can offer a larger therapeutic window for a significant portion of patients.
  • A predictive model can identify contacts likely to benefit from directional steering.
  • Selective testing of contacts with a narrow therapeutic window (<2.0 mA) can streamline DBS programming.