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Isolation of Human Atrial Myocytes for Simultaneous Measurements of Ca2+ Transients and Membrane Currents
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Uremic Toxins - Novel Arrhythmogenic Factor in Chronic Kidney Disease - Related Atrial Fibrillation

Shih-Yu Huang1, Yi-Ann Chen2, Shih-Ann Chen3

  • 1Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei; ; Fu Jen Catholic University, School of Medicine, New Taipei City; ; Division of Cardiology, Department of Internal Medicine, Cathay General Hospital, Taipei;

Acta Cardiologica Sinica
|June 9, 2016
PubMed

Insights

Uremic toxins in chronic kidney disease (CKD) promote atrial fibrillation (AF) through cardiac tissue damage. This review explores how these toxins cause structural and electrical changes, leading to AF in CKD patients.

Area of Science:

  • Cardiology
  • Nephrology
  • Toxicology

Background:

  • Atrial fibrillation (AF) is a common arrhythmia.
  • Chronic kidney disease (CKD) significantly increases AF prevalence.
  • Uremic toxins are key contributors to cardiovascular disease in CKD.

Purpose of the Study:

  • To review the mechanisms by which uremic toxins induce AF in CKD patients.
  • To examine clinical, molecular, and electrophysiological data linking uremic toxins to AF.
  • To understand the role of uremic toxins in cardiac remodeling.

Main Methods:

  • Literature review of clinical studies.
  • Analysis of molecular pathways involved in uremic toxicity.
  • Electrophysiological data assessment.

Main Results:

  • Uremic toxins induce pro-fibrotic, pro-hypertrophic, and pro-inflammatory effects on cardiac tissue.
  • These toxins enhance oxidative stress and neurohormonal activity, contributing to AF.
  • Multiple mechanisms of structural and electrical remodeling are implicated.

Conclusions:

  • Uremic toxins are significant arrhythmogenic factors in CKD.
  • Understanding these mechanisms is crucial for managing AF in CKD patients.
  • Further research into toxin-specific effects is warranted.

Keywords:
Atrial fibrillationInflammationOxidative stressUremic toxins

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