What question did this study set out to answer?

To evaluate autonomic nervous system dysfunction in Parkinson's disease and examine its relationship with patient age, medication, disease duration, and disease severity.

October 1, 1993Journal of Neurology Neurosurgery & PsychiatryOpen Access

Autonomic nervous system dysfunction in Parkinson's disease: relationships with age, medication, duration, and severity.

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Authors

JDJ. Gert van DijkElectrophysiology JHJ. HaanLeiden University Medical Center KZKoos ZwindermanAmsterdam UMC Location University of Amsterdam

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Implication

Case-control study observes mild cardiovascular autonomic dysfunction primarily altering blood pressure in Parkinson's disease, indicating impairments occur mainly in advanced stages.

Key Points

To evaluate autonomic nervous system dysfunction in Parkinson's disease and examine its relationship with patient age, medication, disease duration, and disease severity.
Assessed cardiovascular autonomic function via heart rate variability (rest, deep breathing, standing, Valsalva manoeuvre) and blood pressure tests (standing, sustained handgrip) in 67 idiopathic Parkinson's disease patients and 31 age-matched controls.
Performed multiple stepwise regression analysis across patient variables, including age, anti-Parkinson medication, disease duration, and Hoehn and Yahr stage, with a subgroup analysis of 33 unmedicated patients.
Heart rate variability did not differ significantly between Parkinson's disease patients and controls, with older age explaining up to 36% of its variance and medication explaining less than 7%.
Blood pressure responses to standing and sustained handgrip were significantly impaired in the Parkinson's disease group, with Hoehn and Yahr stage explaining 12.7% of standing variance and medication explaining 10.6% of handgrip variance.
The unmedicated Parkinson's disease subgroup (n = 33), characterized by mild disease of short duration, exhibited no evidence of autonomic dysfunction.

Cite This Study

Dijk et al. (1993) studied this question.

synapsesocial.com/papers/6a8d082a43f8e245501cd0ee https://doi.org/10.1136/jnnp.56.10.1090

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Implication

Case-control study observes mild cardiovascular autonomic dysfunction primarily altering blood pressure in Parkinson's disease, indicating impairments occur mainly in advanced stages.

Autonomic nervous system dysfunction in Parkinson's disease: relationships with age, medication, duration, and severity.

Discussion

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Implication

Key Points

Cite This Study

Autonomic nervous system dysfunction in Parkinson's disease: relationships with age, medication, duration, and severity.

Discussion

Member takes

Implication

Key Points

Cite This Study

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