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Burden of premature atrial beats in middle-aged endurance athletes with and without lone atrial fibrillation versus sedentary controls.

Abstract：

BACKGROUND:The burden of premature atrial beats (PABs) at 24-h electrocardiographic (ECG) monitoring correlates with the risk of atrial fibrillation. It is unknown whether prolonged and intense exercise increases the burden of PABs, thus contributing to the higher prevalence of atrial fibrillation observed in middle-aged athletes. METHODS:We compared the burden of PABs at 24-h ECG monitoring off therapy in 134 healthy middle-aged (30-60-year-old) competitive athletes who had practised 9 (7-11) h of endurance sports for 8 (4-15) consecutive years, 134 age- and gender-matched healthy sedentary individuals, and 66 middle-aged patients (20 athletes and 46 non-athletes) with 'lone' paroxysmal atrial fibrillation. RESULTS:More than 50 PABs/24 h or ≥1 run of ≥3 PABs were recorded in 23/134 (17%) healthy athletes and in 29/134 (22%) sedentary controls (p = 0.61). Healthy athletes with frequent or repetitive PABs were older (median 50 years vs. 43 years, p < 0.01) and had practised sport for a longer time (median 10 years vs. 6 years, p = 0.03). At multivariable analysis only age (odds ratio 1.11, 95% confidence interval 1.04-1.20, p < 0.01) remained an independent predictor of a higher burden of PABs. Also among patients with 'lone' paroxysmal atrial fibrillation, there was no difference in the prevalence of >50 PABs/24 h or ≥1 run of ≥3 PABs between athletes (40%) and controls (48%, p = 0.74). CONCLUSIONS:Middle-aged endurance athletes, with or without paroxysmal atrial fibrillation, did not show a higher burden of PABs at 24-h ECG monitoring than sedentary controls. Age, but not intensity and duration of sports activity, predicted a higher burden of PABs among healthy athletes.

journal_name

Eur J Prev Cardiol

journal_title

European journal of preventive cardiology

authors

Cipriani A,Vio R,Mastella G,Ciarmatori N,Del Monte A,Trovato D,Iliceto S,Schiavon M,Bertaglia E,Corrado D,Zorzi A

doi

10.1177/2047487319880042

subject

Has Abstract

pub_date

2020-09-01 00:00:00

pages

1555-1563

issue

eissn

2047-4873

issn

2047-4881

journal_volume

pub_type

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Burden of premature atrial beats in middle-aged endurance athletes with and without lone atrial fibrillation versus sedentary controls.