Clinical Research Directory

The North Sea Race Endurance Exercise Study

Sponsor: Helse Stavanger HF

Summary

Competitions such as marathon running and endurance cycling events are increasingly popular and represent an important motivation for sustaining training among leisure-time athletes. However, there is a concern that prolonged, high-intensity exercise may increase the risk of cardiovascular (CV) events. Following prolonged high-intensity exercise there is an increase in levels of circulating markers of myocardial damage such as Troponin I (TnI). The precise cause and clinical significance of this TnI increase is unknown. * The primary objective of this study was to determine the relationship between high-sensitive cardiac troponin I (hs-cTnI) levels and coronary artery disease and cardiovascular outcomes in 1000 presumably healthy leisure sport athletes that participated in a 91 km long, high intensity endurance cycling competition. * The secondary objective was to assess the relationship between other CV risk factors, fitness level and outcomes following high intensity endurance cycling competition in the same population.

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