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Related Experiment Videos

Autonomic nervous function in progressive supranuclear palsy.

J G van Dijk1, J Haan, M Koenderink

  • 1Department of Neurology, University Hospital Leiden, The Netherlands.

Archives of Neurology
|October 1, 1991
PubMed
Summary
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Autonomic nervous system dysfunction is present in both progressive supranuclear palsy (PSP) and Parkinson's disease (PD). PSP patients exhibited more pronounced autonomic abnormalities than PD patients.

Area of Science:

  • Neurology
  • Autonomic Neuroscience

Background:

  • Autonomic dysfunction is a known feature of Parkinson's disease (PD).
  • Progressive supranuclear palsy (PSP) is a neurodegenerative disorder with overlapping features with PD.

Purpose of the Study:

  • To compare autonomic nervous system (ANS) function in patients with PSP and PD.
  • To determine the prevalence and severity of autonomic dysfunction in PSP.

Main Methods:

  • Assessed parasympathetic function using heart rate response to deep breathing and Valsalva maneuver.
  • Evaluated sympathetic function via blood pressure changes upon standing and sustained handgrip.
  • Compared autonomic test results between 11 PSP patients, 26 PD patients, and 19 age-matched controls.

Main Results:

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  • Both PSP and PD groups showed abnormal parasympathetic and sympathetic nervous system function.
  • Autonomic dysfunction was more pronounced in patients with PSP compared to those with PD.
  • Abnormalities were observed in heart rate variability and blood pressure regulation in both disease groups.

Conclusions:

  • Autonomic dysfunction is a significant feature in both PSP and PD.
  • The severity of autonomic impairment appears greater in PSP than in PD.
  • Autonomic dysfunction should be considered in the clinical evaluation of PSP.