Why the study?
Postexercise cardiac troponin levels show considerable interindividual variations, and the major determinants of this variation following prolonged high-intensity endurance exercise were unknown.
What are the major determinants of postexercise variation in cardiac troponin I following prolonged high-intensity endurance exercise in healthy individuals?
Comparison
3 episodes of prolonged high-intensity endurance exercise
Design
Prospective observational cohort study
Follow-up
24 hours
Authors
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Individual troponin responses to exercise duration and timing largely explain cTnI variation; extends kinetic understanding but remains hypothesis-generating for athlete risk stratification.
What are the major determinants of postexercise variation in cardiac troponin I following prolonged high-intensity endurance exercise in healthy individuals?
The variation in exercise-induced cardiac troponin I elevation is largely determined by a unique individual response dependent on exercise duration and sampling timing.
Bjorkavoll-Bergseth et al. (2021) studied this question.
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