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July 15, 2025Open 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

Study reveals impaired cardiac parasympathetic modulation and diminished autonomic balance under orthostatic stress in older adults, highlighting risks of orthostatic intolerance.

Key Points

  • Older adults show altered autonomic balance and reduced heart rate variability compared to younger adults.
  • During orthostatic stress, older adults exhibited higher cardiac parasympathetic modulation and lower cardiac baroreflex gain.
  • Participants performed sit-to-stand and lie-to-stand maneuvers while monitoring heart rate and blood pressure.
  • Higher incidence of orthostatic intolerance symptoms was reported in older adults compared to younger adults.

Cite This Study

Matos et al. (2025) studied this question.

synapsesocial.com/papers/689a02b6e6551bb0af8cc50bhttps://doi.org/10.20944/preprints202507.1123.v1
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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 · 4 citations
  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