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Marathon running increases cardiac strain in older men

Update: 2018-12-09 19:25 IST

Washington D.C. : After comparing the levels of cardiac biomarkers, researchers analysed that running a marathon can increase cardiac strain in amateur runners.

Although there was little difference in 10-year risk for cardiovascular events between the runners, the strain on the heart muscle was much greater after a full marathon.

According to a study conducted at the Camilo Jose Cela University, the incidence of cardiac arrests in runners is only about one in 50,000 runners who compete in races, but a high proportion of all exercise-induced cardiac events occur during marathons, especially in older men.

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The findings are published in the Journal of the American Heart Association.

“We typically assume that marathon runners are healthy individuals, without risk factors that might predispose them to a cardiac event during or after a race. Our findings suggest that running shorter endurance races might reduce the strain imposed on the myocardium during a running competition,” said lead investigator Juan Del Coso.

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