Long-QT Syndrome and Competitive Sports

Abstract : Long QT syndrome (LQTs) is an inherited channelopathy which exposes athletes to a risk of sudden cardiac death. Diagnosis is more difficult in this population because the QT interval is prolonged by training; and the extreme bradycardia frequently observed in athletes makes the QT correction formula less accurate, Based on limited clinical data which tend to demonstrate that exercise, especially swimming, is a trigger for cardiac events, participation in any competitive sports practice is not supported by 2005 European guidelines. However, based on recent retrospective studies and adopting a different medical approach, involving the patient-athlete in shared decision making, the 2015 US guidelines are less restrictive, especially in asymptomatic genotype-positive/phenotype-negative athletes. These guidelines also consider giving medical clearance to competitive sport participation in asymptomatic athletes With appropriate medical therapy.
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Submitted on : Friday, September 21, 2018 - 4:29:58 PM
Last modification on : Friday, June 21, 2019 - 10:28:23 AM

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Frédéric Schnell, Nathalie Behar, François Carré. Long-QT Syndrome and Competitive Sports. Arrhythmia and Electrophysiology Review, 2018, 7 (3), pp.187-192. ⟨10.15420/aer.2018.39.3⟩. ⟨hal-01878960⟩

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