Does extreme endurance training increase the risk of sinus node disease and arrhythmias in former professional cyclists compared to age-matched controls?
Former professional cyclists have a significantly higher risk of sinus node disease and a trend toward more frequent ventricular tachycardias compared to age-matched controls.
Among FAs, SND occurred significantly more often compared with age-matched controls, and there is trend towards more frequent ventricular tachycardias. Further studies have to evaluate prevention of arrhythmias with extreme endurance training, the necessity of regular follow-up of heart rhythm, and management of arrhythmias in former competitive endurance athletes.
Baldesberger et al. (Sat,) studied this question.
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