Risk of atrial fibrillation and stroke among older men exposed to prolonged endurance sport practice: a 10-year follow-up. The Birkebeiner Ageing Study and the Tromsø Study

Aims Endurance sport practice is associated with a high prevalence of atrial fibrillation (AF), which increases the risk of stroke in the general population. However, stroke risk in endurance athletes with AF is sparsely investigated. Most studies have been limited by design and are largely restrict...

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Main Authors: Bente Morseth, Tom Wilsgaard, Maja-Lisa Løchen, Anette Hylen Ranhoff, Arnljot Tveit, Marius Myrstad, Jon Magne Letnes, Bjarne Martens Nes, Dag S Thelle, Turid Apelland, Kim Arne Heitmann, Kristoffer Robin Johansen, Eivind Sørensen, Bjarne M Nes, Silvana Bucher Sandbakk, Jan Pål Loennechen, Kristine Folkenborg, Kristin Espolin Johnson, Vegard Malmo, Andreas Berg Sellevold, Rune Byrkjeland, Steve Enger, Hilde Larhammer, Sophia Onarheim, Vigdis Bache-Semb
Format: Article
Language:English
Published: BMJ Publishing Group 2022-12-01
Series:Open Heart
Online Access:https://openheart.bmj.com/content/9/2/e002154.full
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author Bente Morseth
Tom Wilsgaard
Maja-Lisa Løchen
Anette Hylen Ranhoff
Arnljot Tveit
Marius Myrstad
Jon Magne Letnes
Bjarne Martens Nes
Dag S Thelle
Turid Apelland
Kim Arne Heitmann
Kristoffer Robin Johansen
Eivind Sørensen
Bjarne M Nes
Silvana Bucher Sandbakk
Jan Pål Loennechen
Kristine Folkenborg
Kristin Espolin Johnson
Vegard Malmo
Andreas Berg Sellevold
Rune Byrkjeland
Steve Enger
Hilde Larhammer
Sophia Onarheim
Vigdis Bache-Semb
author_facet Bente Morseth
Tom Wilsgaard
Maja-Lisa Løchen
Anette Hylen Ranhoff
Arnljot Tveit
Marius Myrstad
Jon Magne Letnes
Bjarne Martens Nes
Dag S Thelle
Turid Apelland
Kim Arne Heitmann
Kristoffer Robin Johansen
Eivind Sørensen
Bjarne M Nes
Silvana Bucher Sandbakk
Jan Pål Loennechen
Kristine Folkenborg
Kristin Espolin Johnson
Vegard Malmo
Andreas Berg Sellevold
Rune Byrkjeland
Steve Enger
Hilde Larhammer
Sophia Onarheim
Vigdis Bache-Semb
collection DOAJ
description Aims Endurance sport practice is associated with a high prevalence of atrial fibrillation (AF), which increases the risk of stroke in the general population. However, stroke risk in endurance athletes with AF is sparsely investigated. Most studies have been limited by design and are largely restricted to younger and middle-aged populations. Thus, we aimed to investigate AF and stroke risk in older athletes exposed to prolonged endurance training.Method During a 10-year period, 505 male athletes aged ≥65 years frequently participating in a long-distance ski race were compared with 1867 men of the same age from the general population. The main exposure was endurance sport practice with self-reported AF and stroke as outcomes. Stroke risk was further examined by joint modelling of AF and endurance practice. Statistical analysis was conducted with a modified Poisson model.Results Athletes (median age: 68, range: 65–90) participated in a long-distance ski race over a median of 14 years (range: 1–53). Prevalence (28.5% vs 17.8%) and adjusted risk of AF (risk ratio (RR): 1.88, 95% CI: 1.49 to 2.37) were higher in athletes compared with non-athletes, whereas the prevalence (5.4% vs 9.7%) and risk of stroke were lower (RR: 0.60, 95% CI: 0.37 to 0.95). Compared with athletes without AF, risk of stroke was twofold in athletes (RR: 2.38, 95% CI: 1.08 to 5.24) and nearly fourfold in non-athletes (RR: 3.87, 95% CI: 1.98 to 7.57) with AF.Conclusion Although older male endurance athletes experienced an increased risk of AF, the long-term risk of stroke was substantially reduced compared with non-athletes.
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spelling doaj.art-e79d8bf408f64eac931794986f4c3f152023-06-30T02:00:06ZengBMJ Publishing GroupOpen Heart2053-36242022-12-019210.1136/openhrt-2022-002154Risk of atrial fibrillation and stroke among older men exposed to prolonged endurance sport practice: a 10-year follow-up. The Birkebeiner Ageing Study and the Tromsø Study Bente Morseth0Tom Wilsgaard1Maja-Lisa Løchen2Anette Hylen Ranhoff3Arnljot Tveit4Marius Myrstad5Jon Magne LetnesBjarne Martens NesDag S Thelle6Turid Apelland7Kim Arne Heitmann8Kristoffer Robin Johansen9Eivind Sørensen10Bjarne M Nes11Silvana Bucher Sandbakk12Jan Pål LoennechenKristine FolkenborgKristin Espolin JohnsonVegard MalmoAndreas Berg SellevoldRune ByrkjelandSteve EngerHilde LarhammerSophia OnarheimVigdis Bache-SembSchool of Sport Sciences, UiT The Arctic University of Norway, Tromso, NorwayDepartment of Community Medicine, UiT The Arctic University of Norway, Tromso, NorwayDepartment of Community Medicine, UiT The Arctic University of Norway, Tromso, NorwayDepartment of Clinical Science, University of Bergen, Bergen, NorwayDepartment of Medical Research, Bærum Hospital Vestre Viken Trust, Gjettum, NorwayDepartment of Medical Research, Bærum Hospital, Vestre Viken Hospital Trust, N-1346 Gjettum, NorwayDepartment of Biostatistics, Institute of Basic Medical Sciences, University of Oslo, Oslo, NorwayDepartment of Medical Research, Bærum Hospital, Vestre Viken Hospital Trust, N-1346 Gjettum, NorwaySchool of Sport Sciences, UiT The Arctic University of Norway, Tromso, NorwaySchool of Sport Sciences, UiT The Arctic University of Norway, Tromso, NorwayDepartment of Internal Medicine, Diakonhjemmet Hospital, Oslo, NorwayDepartment of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, NorwayDepartment for Teacher Education, Norwegian University of Science and Technology, Trondheim, NorwayAims Endurance sport practice is associated with a high prevalence of atrial fibrillation (AF), which increases the risk of stroke in the general population. However, stroke risk in endurance athletes with AF is sparsely investigated. Most studies have been limited by design and are largely restricted to younger and middle-aged populations. Thus, we aimed to investigate AF and stroke risk in older athletes exposed to prolonged endurance training.Method During a 10-year period, 505 male athletes aged ≥65 years frequently participating in a long-distance ski race were compared with 1867 men of the same age from the general population. The main exposure was endurance sport practice with self-reported AF and stroke as outcomes. Stroke risk was further examined by joint modelling of AF and endurance practice. Statistical analysis was conducted with a modified Poisson model.Results Athletes (median age: 68, range: 65–90) participated in a long-distance ski race over a median of 14 years (range: 1–53). Prevalence (28.5% vs 17.8%) and adjusted risk of AF (risk ratio (RR): 1.88, 95% CI: 1.49 to 2.37) were higher in athletes compared with non-athletes, whereas the prevalence (5.4% vs 9.7%) and risk of stroke were lower (RR: 0.60, 95% CI: 0.37 to 0.95). Compared with athletes without AF, risk of stroke was twofold in athletes (RR: 2.38, 95% CI: 1.08 to 5.24) and nearly fourfold in non-athletes (RR: 3.87, 95% CI: 1.98 to 7.57) with AF.Conclusion Although older male endurance athletes experienced an increased risk of AF, the long-term risk of stroke was substantially reduced compared with non-athletes.https://openheart.bmj.com/content/9/2/e002154.full
spellingShingle Bente Morseth
Tom Wilsgaard
Maja-Lisa Løchen
Anette Hylen Ranhoff
Arnljot Tveit
Marius Myrstad
Jon Magne Letnes
Bjarne Martens Nes
Dag S Thelle
Turid Apelland
Kim Arne Heitmann
Kristoffer Robin Johansen
Eivind Sørensen
Bjarne M Nes
Silvana Bucher Sandbakk
Jan Pål Loennechen
Kristine Folkenborg
Kristin Espolin Johnson
Vegard Malmo
Andreas Berg Sellevold
Rune Byrkjeland
Steve Enger
Hilde Larhammer
Sophia Onarheim
Vigdis Bache-Semb
Risk of atrial fibrillation and stroke among older men exposed to prolonged endurance sport practice: a 10-year follow-up. The Birkebeiner Ageing Study and the Tromsø Study
Open Heart
title Risk of atrial fibrillation and stroke among older men exposed to prolonged endurance sport practice: a 10-year follow-up. The Birkebeiner Ageing Study and the Tromsø Study
title_full Risk of atrial fibrillation and stroke among older men exposed to prolonged endurance sport practice: a 10-year follow-up. The Birkebeiner Ageing Study and the Tromsø Study
title_fullStr Risk of atrial fibrillation and stroke among older men exposed to prolonged endurance sport practice: a 10-year follow-up. The Birkebeiner Ageing Study and the Tromsø Study
title_full_unstemmed Risk of atrial fibrillation and stroke among older men exposed to prolonged endurance sport practice: a 10-year follow-up. The Birkebeiner Ageing Study and the Tromsø Study
title_short Risk of atrial fibrillation and stroke among older men exposed to prolonged endurance sport practice: a 10-year follow-up. The Birkebeiner Ageing Study and the Tromsø Study
title_sort risk of atrial fibrillation and stroke among older men exposed to prolonged endurance sport practice a 10 year follow up the birkebeiner ageing study and the tromso study
url https://openheart.bmj.com/content/9/2/e002154.full
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