Why the study?
The precise mechanisms causing cardiac troponin increase after exercise remained to be determined.
Does the duration of elevated heart rate predict exercise-induced troponin elevation in participants of a 91-km mountain bike race?
Population
177 participants completing a 91-km recreational mountain bike race
Comparison
Impact of heart rate indices on exercise-induced cardiac troponin increase
Design
Prospective observational study
Follow-up
24 hours after the race
Authors
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Should not yet alter workup of post-endurance troponin elevations; leaves open causality and broader applicability.
Does the duration of elevated heart rate predict exercise-induced troponin elevation in participants of a 91-km mountain bike race?
The duration of elevated heart rate (>150 bpm) during endurance exercise is a significant predictor of physiological cardiac troponin elevation.
Bjorkavoll-Bergseth et al. (2020) studied this question.
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