Key result
Long-term vigorous physical training or physical inactivity is associated with an increased risk of atrial fibrillation, while habitual moderate physical activity may reduce this risk.
Why the study?
Does physical activity level affect the risk of atrial fibrillation?
Does physical activity level affect the risk of atrial fibrillation?
Both lack of physical activity and long-term vigorous training increase AF risk, whereas moderate physical activity may reduce it, suggesting a U-shaped relationship.
Supports moderate activity counseling to potentially lower AF risk while avoiding extremes; leaves open causal effects pending randomized trials.
Long-term vigorous physical training or lack of physical activity both are associated with increased risk of AF, while habitual moderate physical activity may be associated with reduced risk. Further large-scale prospective randomized controlled studies particularly in athletes are needed to further confirm these findings.
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Nielsen et al. (2013) studied this question. Long-term vigorous physical training or physical inactivity is associated with an increased risk of atrial fibrillation, while habitual moderate physical activity may reduce this risk.
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