Journal
PROGRESS IN CARDIOVASCULAR DISEASES
Volume 63, Issue 5, Pages 671-681Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.pcad.2020.03.015
Keywords
Right ventricle; Arrhythmogenic right ventricular cardiomyopathy; Arrhythmias; Sudden cardiac death; Athletes; Exercise
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Funding
- Subprograma Atraccio de Talent Contractes Postdoctorals de la Universitat de Valencia
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There is still debate on the range of normal physiologic changes of the right ventricle or ventricular (RV) function in athletes. Genetic links to arrhythmogenic cardiomyopathy (ACM) are well-established. There is no current consensus on the importance of extensive exercise and exercise-induced injury to the RV. During the intensive exercise of endurance sports, the cardiac structures adapt to athletic load over time. Some athletes develop RV cardiomyopathy possibly caused by genetic predisposition, whilst others develop arrhythmias from the RV. Endurance sports lead to increased volume and pressure load in both ventricles and increased myocardial mass. The extent of volume increase and changes in myocardial structure contribute to impairment of RV function and pose a challenge in cardiovascular sports medicine. Genetic predisposition to ACM may play an important role in the risk of sudden cardiac death of athletes. In this review, we discuss and evaluate existing results and opinions. Intensive training in competitive dynamic/power and endurance sports leads to specific RV adaptation, but physiological adaptation without genetic predisposition does not necessarily lead to severe complications in endurance sports. Discriminating between physiological adaptation and pathological form of ACM or RV impairment provoked by reinforced exercise presents a challenge to clinical sports cardiologists. (C) 2020 The Authors. Published by Elsevier Inc.
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