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Am J Med. 2012 Jul;125(7):630-5. doi: 10.1016/j.amjmed.2011.11.008. Epub 2012 May 18.

Pheidippides redux: reducing risk for acute cardiac events during marathon running.

Author information

1
Department of Medicine, McLean Hospital, Belmont, MA, USA. asiegel@partners.org

Abstract

Prolonged strenuous exercise such as marathon running transiently increases the absolute and relative risk for sudden cardiac death. A 17-fold increase in the latter over resting baseline in previously sedentary middle-aged men is reduced due to cardioprotection from training in experienced marathon runners. Exertional rhabdomyolysis as a common occurrence during the race is accompanied by neutrophilia and elevated biomarkers of inflammation, including interleukin-6 and C-reactive protein. A hemostatic imbalance with prothrombotic effects includes in vivo platelet activation during the race. Suggesting a pathogenic role for these findings, plaque rupture due to atherothrombosis triggers acute exertional cardiac events, including sudden death, in low-risk runners as in high-risk patients such as those with diabetes mellitus. Strategies including prophylactic aspirin are considered to decrease the risk for acute cardiac events.

PMID:
22608535
DOI:
10.1016/j.amjmed.2011.11.008
[Indexed for MEDLINE]
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