Key result
Marathon running is linked to ~0.002% sudden cardiac death risk due to unsuspected structural disease.
Why the study?
Sudden cardiac death during athletics is highly visible, and controversy persists regarding the true cardiovascular risks associated with participating in intense competitive sports.
What is the risk of sudden cardiac death associated with marathon running in endurance athletes?
Observational (n=215,413)
Yes
What is the risk of sudden cardiac death associated with marathon running in endurance athletes?
The risk of sudden cardiac death during marathon running is exceedingly small (1 in 50,000), suggesting that routine cardiovascular screening in this population may not be justifiable.
No takes yet. Share an insight, caveat, or question.
May warrant caution for intense competition in athletes with known CVD; leaves open precise risk quantification in broader populations.
Maron et al. (1996) conducted an observational in Endurance runners (n=215,413). Marathon running vs. General U.S. population was evaluated on Sudden cardiac death during the marathon. Marathon running was associated with an exceedingly small risk of sudden cardiac death (0.002%, or 1 in 50,000 runners), with all four deaths due to unsuspected structural cardiovascular disease.
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