Atrial size and sports. A great training for a greater left atrium: how much is too much?
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ORIGINAL PAPER
Atrial size and sports. A great training for a greater left atrium: how much is too much? Gonzalo Diaz Babio1 · Gustavo Vera Janavel1 · Ivan Constantin2 · Gerardo Masson2 · Celeste Carrero2 · Teresa Garcia Botta1 · Maria Mezzadra2 · Pablo Stutzbach2 Received: 30 April 2020 / Accepted: 21 October 2020 © Springer Nature B.V. 2020
Abstract Athlete’s heart results from physiological adaptations to the increased demands of exercise, and left atrial (LA) enlargement (LAE) is a fundamental component. However, LAE occurs in certain pathological conditions and it might represent a diagnostic challenge in athletes. LA volume index (LAVi) by echo is a convenient diagnostic tool for LAE identification. We hypothesized that accumulated lifetime training thousand hours (LTH) would have a main role in LAE. Therefore, our aim was to assess the association between LTH, LAVi and LAE in athletes. Young and middle-aged males with different training levels were included and grouped as recreational (REa, n = 30), competitive (COa, n = 169) and elite (ELa, n = 80) athletes for LTH calculation and echo assessment. LA dimensions resulted greater in ELa when compared to other groups (p
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