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The long-term development of non-motor problems after STN-DBS.

B Lilleeng1, M Gjerstad1, R Baardsen1

  • 1The Norwegian Centre for Movement Disorders, Stavanger University Hospital, Stavanger, Norway.

Acta Neurologica Scandinavica
|March 11, 2015
PubMed
Summary

Subthalamic nucleus deep brain stimulation (STN-DBS) for Parkinson's disease (PD) does not significantly alter non-motor symptoms. However, fatigue may increase post-surgery, suggesting careful consideration for treatment timing.

Keywords:
Parkinson's diseasedeep brain stimulatordementiadepressionfatiguemovement disordersnon-motor problemssleep disorders

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Area of Science:

  • Neurology
  • Neurosurgery
  • Movement Disorders

Background:

  • Subthalamic nucleus deep brain stimulation (STN-DBS) is a recognized treatment for Parkinson's disease (PD) motor symptoms.
  • The long-term impact of STN-DBS on non-motor symptoms in PD patients remains unclear.

Purpose of the Study:

  • To investigate the longitudinal development of non-motor problems in Parkinson's disease patients undergoing STN-DBS.
  • To compare non-motor symptom progression in STN-DBS patients versus a non-operated control group.

Main Methods:

  • Prospective cohort study of patients with STN-DBS, followed 6-9 years post-surgery.
  • Comparison with a matched, non-operated reference population to assess longitudinal changes.

Main Results:

  • Non-motor problems in advanced PD generally progress independently of STN-DBS.
  • Depression scores improved post-STN-DBS, with no worsening observed.
  • Fatigue significantly increased in STN-DBS patients within one year and continued to rise throughout the follow-up period.

Conclusions:

  • The progression of non-motor symptoms in advanced Parkinson's disease appears unrelated to STN-DBS.
  • Findings may inform strategic decisions regarding the optimal timing for initiating STN-DBS therapy in eligible patients.