Abstract
Running a marathon or a long-distance triathlon [1–3] induces transient ventricular dysfunctions associated in some subjects with an increase in cardiac troponin I (cTnI), a biomarker of myocardial damages [1,2,4]. Ultra-long duration exercise (ULDE, i.e. >24h) is getting more and more popular. However, little information is available about the potential cardiovascular alterations induced by such race. The present study described for the first time ULDE-induced acute cardiovascular perturbations through simultaneous 2D-strain echocardiography, cTnI and blood and plasma volume evaluations.
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