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Cardiovascular magnetic resonance assessment of left atrial size and function in endurance athletes

Lookup NU author(s): Dr Adam McDiarmid

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Abstract

Background: Left atrial (LA) dilatation is linked to cardiovascular disease and atrial fibrillation but its associations in athletes are unknown. The authors investigated whether aerobic fitness and clinical parameters are associated with LA dilatation and emptying fraction (EF) in endurance athletes. Materials & methods: 65 endurance athletes underwent cardiovascular magnetic resonance to assess LA size and function along with fitness assessment. 25 sedentary controls underwent an identical cardiovascular magnetic resonance protocol. Results: In athletes, LA volume index was elevated, while total and passive LAEFs were decreased versus sedentary controls. Increasing age and maximal oxygen uptake were associated with LA volume index. Only older age was associated with decreased total LAEF. Conclusion: LA dilatation in athletes is associated with increasing age and aerobic fitness rather than conventional cardiovascular risk factors.

Publication metadata

Author(s): Javed W, Price NJ, Saunderson CE, McDiarmid AK, Erhayiem B, Farooq M, O'Neill J, Millar LM, Malhotra A, Sharma S, Greenwood JP, Plein S, Swoboda PP

Publication type: Article

Publication status: Published

Journal: Future Cardiology

Year: 2022

Volume: 18

Issue: 9

Pages: 697-707

Online publication date: 15/07/2022

Acceptance date: 02/04/2018

ISSN (print): 1479-6678

ISSN (electronic): 1744-8298

Publisher: Future Science Group

URL: https://doi.org/10.2217/fca-2021-0151

DOI: 10.2217/fca-2021-0151

PubMed id: 35838166

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