Evidence map›Paper›PMID 41737931›Full record

ArticleHeart rhythm O22026

Atrial fibrillation detection in endurance athletes vs non-athletes: Positive predictive value and burden estimation using implantable cardiac monitors.

Jon Magne Letnes, Andreas Berg Sellevold, Turid Apelland, Fedelix Phetogo Brown, Rune Byrkjeland, Marius Flasnes, Jan Pål Loennechen, Bjarne Martens Nes, Marius Myrstad, NEXAF Investigators

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Article in Heart rhythm O2, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

Jon Magne LetnesDepartment of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway.
Andreas Berg SellevoldDepartment of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway.
Turid ApellandDepartment of Medical Research, Bærum Hospital, Vestre Viken Hospital Trust, Gjettum, Norway.
Fedelix Phetogo BrownDepartment of Cardiology, University Hospital of North Norway, Tromsø, Norway.
Rune ByrkjelandDepartment of Medical Research, Bærum Hospital, Vestre Viken Hospital Trust, Gjettum, Norway.
Marius FlasnesDepartment of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway.
Jan Pål LoennechenDepartment of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway.
Bjarne Martens NesDepartment of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway.
Marius MyrstadDepartment of Medical Research, Bærum Hospital, Vestre Viken Hospital Trust, Gjettum, Norway.
NEXAF Investigators

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Implantable cardiac monitors (ICMs) enable continuous arrhythmia detection and quantification of atrial fibrillation (AF) burden. However, the influence of an athletic lifestyle on the positive predictive value (PPV) of ICM-detected AF episodes, and the accuracy of automated AF burden estimation, remain uncertain. Objective: This study aimed to compare the PPV of ICM-detected AF episodes between athletes and non-athletes with known AF, and to evaluate the accuracy of automatic AF burden estimation. Methods: During a 4-week pre-randomization phase of 2 randomized trials, 3041 AF episodes lasting ≥30 seconds were detected by ICMs in 32 endurance athletes and 159 non-athletes with non-permanent AF, totaling 4202 monitored days. All episodes were manually adjudicated to determine true AF. Results: The patient-averaged PPV was 0.59 (95% confidence interval [CI] 0.42-0.74) for athletes and 0.51 (95% CI 0.45-0.58) for non-athletes ( Conclusion: The PPV of ICM-detected AF episodes is similar in athletes and non-athletes. Longer AF episode duration enhances accuracy, and excluding short episodes improves automated AF burden estimation. ICMs may serve as good alternatives for AF monitoring also in athletic subpopulations.

Indexed as

Arrhythmia detectionAtrial fibrillationCardiac devicesDiagnostic accuracyImplantable cardiac monitorsSports cardiology

Identifiers

PMID41737931
PMCPMC12925923

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.