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Autonomic Dysfunction Precedes Development of Rheumatoid Arthritis: A Prospective Cohort Study.

F A Koopman1, M W Tang1, J Vermeij1

  • 1Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology & Rheumatology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.

Ebiomedicine
|May 24, 2016
PubMed
Summary
This summary is machine-generated.

Autonomic nervous system (ANS) dysfunction, indicated by higher resting heart rate (RHR), may precede the development of rheumatoid arthritis (RA). This suggests ANS imbalance plays a role in RA pathogenesis.

Keywords:
Autonomic nervous systemHeart rateHeart rate variabilityNorepinephrinePreclinicalRA

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Area of Science:

  • Cardiovascular Physiology
  • Immunology
  • Rheumatology

Background:

  • Heart rate variability (HRV) assesses autonomic nervous system (ANS) activity.
  • Rheumatoid arthritis (RA) is linked to ANS imbalance.
  • Investigating ANS dysfunction as a potential precursor to RA.

Purpose of the Study:

  • To determine if autonomic dysfunction precedes rheumatoid arthritis development.
  • To explore the role of ANS imbalance in RA pathogenesis.

Main Methods:

  • Assessed HRV parameters in healthy subjects, individuals at risk for arthritis, and RA patients.
  • Measured resting heart rate (RHR) in a prospective cohort.
  • Evaluated alpha-7 nicotinic acetylcholine receptor (α7nAChR) expression on monocytes.

Main Results:

  • Individuals at risk for arthritis and RA patients exhibited significantly higher RHR than healthy subjects.
  • Baseline RHR was higher in individuals who later developed arthritis.
  • Lower α7nAChR expression correlated with higher RHR, indicating reduced parasympathetic activity.

Conclusions:

  • Autonomic dysfunction, specifically elevated RHR, precedes rheumatoid arthritis onset.
  • These findings support the role of ANS imbalance in RA development.