Key result
Ultramarathon racing shows no link to acute atrial dysfunction or significant arrhythmias in master athletes.
Why the study?
Concerns exist regarding potential proarrhythmic effects induced by ultra-endurance sports in the growing population of master athletes.
Does running an ultramarathon induce acute atrial dysfunction or supraventricular arrhythmias in master athletes?
Population
Master athletes with no history of heart disease participating in an ultramarathon
Comparison
Before vs immediately after an ultramarathon race
Design
Observational cohort study
Follow-up
From the day before to the end of the race
Authors
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May support ultramarathon safety for atrial function in master athletes; leaves open need for prospective arrhythmia studies.
Observational
Does running an ultramarathon induce acute atrial dysfunction or supraventricular arrhythmias in master athletes?
Running a 50-km ultramarathon does not induce acute atrial dysfunction or significant exercise-induced supraventricular arrhythmias in healthy master athletes.
Cavigli et al. (2022) conducted an observational in Master athletes with no history of heart disease. Ultramarathon race vs. Baseline (before the race) was evaluated on Acute atrial remodelling and supraventricular arrhythmias. An ultramarathon race did not induce acute atrial dysfunction in master athletes, and exercise-induced arrhythmias were rare, despite 97% having ≥1 premature atrial beat over 24 hours.
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