Cited by 60Cardiovascular Effects of ExerciseAtrial Fibrillation Management and OutcomesCardiac Arrhythmias and Treatments

Atrial Fibrillation in Athletes

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Estes, N.A. Mark, Madias, Christopher·2017·JACC: Clinical Electrophysiology

Abstract

Although the cardiovascular benefits of moderate exercise are well established, there is growing epidemiological support for the notion that high-intensity endurance athletics increases the risk of atrial fibrillation (AF). There are many gaps in evidence related to epidemiology and mechanisms of AF in endurance athletes. The proposed pathophysiological mechanisms include alterations of autonomic tone, electrical remodeling, anatomical remodeling, fibrosis, and inflammation. Clinical management of the athlete with AF often includes a period of decreased frequency, intensity, and duration of exercise with assessment for improvement in AF recurrence. Based on symptoms, a strategy of rate or rhythm control should be selected; however, due to side effects and intolerance of medications, ablation may be a preferred approach. The risks and benefits of anticoagulation for stroke prevention must be carefully assessed in the athlete with AF. All patients should be encouraged to be physically active with moderation; however, men should be advised of the higher risk of AF with long-term, high-intensity endurance training.

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Crossref · 10.1016/j.jacep.2017.03.019

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  • Regular exercise of low or moderate intensity serves as a preventive strategy for cardiovascular disease and AF, while higher-intensity endurance exercise may lead to AF.

    “Regular exercise of either low or moderate intensity seems serve as a preventive strategy for cardiovascular disease and AF, while higher-intensity endurance exercise may lead to AF [6,7,8,12,13,14,15,16,17,18,19,20,21].”
  • A 2 to 10 times higher frequency of AF has been shown in high-intensity endurance athletes compared to individuals who do not exercise.

    “Many retrospective observational studies and meta-analyses have estimated a 2 to 10 times higher frequency of AF in high-intensity endurance athletes compared to individuals who do not exercise [6,7,8,12,13,14,15,16,17].”
  • Theories suggest that complex mechanisms may contribute to AF, including alterations in autonomic tone, systemic inflammation, electrical remodeling, and LA enlargement and fibrosis.

    “Theories suggest that complex mechanisms may contribute to AF, including alterations in autonomic tone, systemic inflammation, electrical remodeling, and LA enlargement and fibrosis [12,44,45,46,47,48,49,50].”
  • The combination of increased basal vagal activity and adrenergic activation may serve as a predisposing factor for AF.

    “In general, the combination of increased basal vagal activity and adrenergic activation may serve as a predisposing factor for AF [12].”

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Authors
Estes, N. A. M., & Madias, C.
Affiliations
Tufts University (US)
Corresponding author
Estes, N.A. Mark
Venue
JACC: Clinical Electrophysiology
Publisher
Elsevier BV
Published
2017-09
Volume
3
Issue
9
Pages
921-928
ISSN
2405-500X (ISSN-L)
OpenAlex
W2752819522
Cited by
56
References
64
Citations by year
2026: 6 · 2025: 5 · 2024: 8 · 2023: 5 · 2022: 4 · 2021: 8 · 2020: 9 · 2019: 8 · 2018: 3
FWCI
0.77
Type
journal article
Language
en
Open access
Locations
  • JACC. Clinical electrophysiology (publishedVersion)
  • PubMed (publishedVersion)
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 Arrhythmias and Treatments
Keywords
atrial fibrillation, endurance athletes, high-intensity exercise, autonomic tone, electrical remodeling, atrial fibrosis, inflammation, atrial remodeling, rate control, rhythm control, anticoagulation, stroke prevention, exercise training
MeSH terms
Anti-Arrhythmia Agents, Anticoagulants, Atrial Fibrillation, Autonomic Nervous System, Female, Fibrosis, Humans, Inflammation, Male, Physical Endurance, Risk Factors, Exercise, Incidence, Catheter Ablation, Stroke, Athletes, Atrial Remodeling

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