The impact of demographic, anthropometric and athletic characteristics on left atrial size in athletes.

Journal article


O'Driscoll, J. and Christou, G. A. 2020. The impact of demographic, anthropometric and athletic characteristics on left atrial size in athletes. Clinical Cardiology.
AuthorsO'Driscoll, J. and Christou, G. A.
Abstract

The structural adaptations of the “athlete’s heart” include left atrial (LA) enlargement. A literature search was performed based on PubMed listings up to 2nd November 2019 using "athletes AND left atrium", "athletes AND left atrial", "sports AND left atrium", "sports AND left atrial", “exercise AND left atrium” and “exercise AND left atrial” as the search terms. Eligible studies included those reporting the influence of demographic, anthropometric and athletic characteristics on left atrial size in athletes. A total of 58 studies were included in this review article. Although LA volume has been reported to be greater in males compared to females when indexed for body surface area (BSA), there was no difference between sexes. The positive association between LA size and age in athletes may reflect the increase in body size with maturation in nonadult athletes and the training age of endurance athletic activity in adult athletes. Caucasian and black athletes have been demonstrated to exhibit similar LA enlargement. The positive association of LA size with lean body mass possibly accounts for the relationship of LA size with BSA. LA enlargement has been reported only in endurance-trained, but not in strength-trained athletes. LA size appears to increase with an increase in both the volume and intensity of endurance training. LA size correlates independently with the training age of endurance athletes. The athlete’s characteristics that independently determine LA size include lean body mass, endurance training and training age.

KeywordsLeft atrium; Left atrial volume; Left atrial diameter; Age; Gender; Ethnicity; Body surface area; Lean body mass; Endurance sports; Training age; Cardiology
Year2020
JournalClinical Cardiology
PublisherWiley
ISSN0160-9289
Digital Object Identifier (DOI)doi:10.1002/clc.23368
Official URLhttps://doi.org/10.1002/clc.23368
Publication dates
Online09 Apr 2020
Publication process dates
Accepted24 Mar 2020
Deposited15 Apr 2020
Accepted author manuscript
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Output statusPublished
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