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Parasympathetic function in Huntington's disease.

M Camerlingo1, E Bottacchi, P Gambaro

  • 1Neurology and Neurophysiopathology Service, Regional Hospital, Aosta, Italy.

Functional Neurology
|April 1, 1987
PubMed
Summary
This summary is machine-generated.

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Parasympathetic nervous system function appears preserved in Huntington's disease patients. Autonomic function tests showed responses similar to healthy individuals, suggesting preserved parasympathetic autonomy.

Area of Science:

  • Neurology
  • Autonomic Nervous System Function
  • Cardiovascular Physiology

Background:

  • Huntington's disease (HD) is a neurodegenerative disorder affecting the central nervous system.
  • Autonomic dysfunction is observed in various neurodegenerative conditions.
  • The status of parasympathetic function in HD requires further elucidation.

Purpose of the Study:

  • To evaluate parasympathetic nervous system function in patients with Huntington's chorea.
  • To compare autonomic responses in HD patients with those of healthy controls.

Main Methods:

  • Investigated R-R intervals during quiet breathing, deep breathing, and Valsalva maneuver in 7 HD patients and 7 controls.
  • Ensured patients were free from neuropathy, orthostatic hypotension, heart/lung disease, and medication for 15 days prior.

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Main Results:

  • Overall, Huntington's chorea patients exhibited no significant differences in parasympathetic responses compared to controls.
  • Only one patient showed abnormal responses across all tests.
  • Youngest patients displayed reduced R-R variability during deep breathing.

Conclusions:

  • Parasympathetic autonomic function appears to be sufficiently preserved in Huntington's disease.
  • This finding contrasts with observations in other central nervous system degenerative disorders.