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Lookup NU author(s): Dr Adam McDiarmid
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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.
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
Online publication date: 15/07/2022
Acceptance date: 02/04/2018
ISSN (print): 1479-6678
ISSN (electronic): 1744-8298
Publisher: Future Science Group
PubMed id: 35838166
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