Why the study?
Does prolonged exercise during a 2-day mountain marathon induce cardiac dysfunction and elevate cardiac troponin T in competitors?
Population
37 competitors in the 2-day Lowe Alpine Mountain Marathon 2000
Comparison
Prolonged exercise (2-day mountain marathon) vs Baseline (pre-event)
Design
Cohort
Follow-up
2 days
Authors
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Transient LV dysfunction and cTnT elevation after ultra-endurance events appear reversible; leaves open cumulative cardiac effects of repeated exposure.
Does prolonged exercise during a 2-day mountain marathon induce cardiac dysfunction and elevate cardiac troponin T in competitors?
Prolonged ultra-endurance exercise induces transient left ventricular dysfunction and minimal, reversible myocardial damage as indicated by elevated cTnT.
Shave et al. (2002) studied this question.
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