Cited by 95Cardiovascular Effects of ExerciseAtrial Fibrillation Management and OutcomesCardiac electrophysiology and arrhythmias

Atrial fibrillation in endurance athletes

Wilhelm, Matthias·2014·European Journal of Preventive Cardiology

Abstract

There is a growing population of veteran endurance athletes, regularly participating in training and competition. Although the graded benefit of exercise on cardiovascular health and mortality is well established, recent studies have raised concern that prolonged and strenuous endurance exercise may predispose to atrial and ventricular arrhythmias. Atrial fibrillation (AF) and atrial flutter are facilitated by atrial remodelling, atrial ectopy, and an imbalance of the autonomic nervous system. Endurance sports practice has an impact on all of these factors and may therefore act as a promoter of these arrhythmias. In an animal model, long-term intensive exercise training induced fibrosis in both atria and increased susceptibility to AF. While the prevalence of AF is low in young competitive athletes, it increases substantially in the aging athlete, which is possibly associated with an accumulation of lifetime training hours and participation in competitions. A recent meta-analysis revealed a 5-fold increased risk of AF in middle-aged endurance athletes with a striking male predominance. Beside physical activity, height and absolute left atrial size are independent risk factors for lone AF and the stature of men per se may explain part of their higher risk of AF. Furthermore, for a comparable amount of training volume and performance, male non-elite athletes exhibit a higher blood pressure at rest and peak exercise, a more concentric type of left ventricular remodelling, and an altered diastolic function, possibly contributing to a more pronounced atrial remodelling. The sports cardiologist should be aware of the distinctive features of AF in athletes. Therapeutic recommendations should be given in close cooperation with an electrophysiologist. Reduction of training volume is often not desired and drug therapy not well tolerated. An early ablation strategy may be appropriate for some athletes with an impaired physical performance, especially when continuation of competitive activity is intended. This review focuses on the prevalence, risk factors, and mechanisms of AF in endurance athletes, and possible therapeutic options.

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  • Wilhelm indicates biatrial remodelling, dilation and fibrosis as crucial substrates to developing atrial fibrillation.

    “Mechanistically, Wilhelm 13 indicates biatrial remodelling, dilation and fibrosis as crucial substrates to developing this pathology.”

    From Risk of atrial fibrillation in athletes: a systematic review and meta-analysis (2021) · cites this paper as [13]

    In “The substrate: atrial remodelling in athletes” (page unavailable), Wilhelm reports enlargement of both atria in endurance athletes and says enlargement accompanied by fibrosis in aging athletes may create a substrate for atrial fibrillation. Calling remodelling, dilation and fibrosis unqualified “crucial substrates” overstates that tentative, age-dependent account; the section also notes that enlarged atria in young athletes did not necessarily increase AF risk. (LLM, conf=0.86)

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Authors
Wilhelm, M.
Affiliations
University Hospital of Bern (CH)
Corresponding author
Wilhelm, Matthias
Venue
European Journal of Preventive Cardiology
Published
2013-01-30
Volume
21
Issue
8
Pages
1040-1048
ISSN
  • 2047-4873 (ISSN-L)
  • 2047-4881
OpenAlex
W2142858838
Cited by
95
References
69
Citations by year
2026: 2 · 2025: 8 · 2024: 9 · 2023: 5 · 2022: 8 · 2021: 8 · 2020: 9 · 2019: 6 · 2018: 8 · 2017: 7 · 2016: 10 · 2015: 10 · 2014: 4 · 2013: 1
FWCI
1.42
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Preventive Cardiology (publishedVersion)
  • PubMed (publishedVersion)
  • Bern Open Repository and Information System (University of Bern) (submittedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Effects of Exercise
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Atrial Fibrillation Management and Outcomes
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
Keywords
atrial fibrillation, endurance athletes, atrial remodeling, atrial flutter, atrial ectopy, autonomic imbalance, atrial fibrosis, left atrial size, sex differences, training volume, left ventricular remodeling, diastolic dysfunction, atrial fibrillation ablation, risk factors
MeSH terms
Atrial Fibrillation, Humans, Physical Endurance, Athletes

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