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September 28, 2025HealthcareOpen Access

Changes in Autonomic Balance, Cardiac Parasympathetic Modulation, and Cardiac Baroreflex Gain in Older Adults Under Different Orthostatic Stress Conditions

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Authors

DMDihogo Gama de MatosJSJefferson Lima de SantanaFAFelipe J. Aidar

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Overview

This observational analysis finds impaired cardiac parasympathetic modulation and increased orthostatic intolerance in older adults, indicating the need for further research into autonomic balance.

Key Points

  • Older adults exhibit diminished autonomic responses during active standing, leading to increased orthostatic intolerance symptoms.
  • Cardiac parasympathetic modulation and baroreflex gain were significantly lower in older adults compared to younger adults following orthostatic stress.
  • Reduced heart rate variability in older adults suggests a shift towards sympathetic dominance in their autonomic function during posture transitions.
  • The study involved 76 participants who underwent various transitions to assess the autonomic and cardiovascular responses.

Cite This Study

Matos et al. (2025) studied this question.

synapsesocial.com/papers/68d913a34ddcf71ba560b8aehttps://doi.org/10.3390/healthcare13192404
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Changes in Autonomic Balance, Cardiac Parasympathetic Modulation, and Cardiac Baroreflex Gain in Older Adults Under Different Orthostatic Stress Conditions2025
  2. 2Short-Term Cardiovascular Compensatory Responses to Varying Levels of Orthostatic Stress During Active Standing in Older Adults2025 · 2 citations
  3. 3Short-Term Cardiovascular Compensatory Responses to Varying Levels of or-Thostatic Stress During Active Standing in Older Adults2025
  4. 4Applanation tonometry for evaluation of the haemodynamic response to the active orthostatic test2017 · 2 citations
  5. 5Postural Changes on Heart Rate Variability among Older Population: A Preliminary Study2021 · 21 citations