Key result
High-intensity interval exercise elicited an elevation in high-sensitivity cardiac troponin T that peaked at 4 hours and remained above baseline at 24 hours.
Why the study?
Does a single bout of high-intensity interval exercise increase high-sensitivity cardiac troponin T release in experienced marathon runners?
Population
21 experienced marathon runners
Comparison
Single bout of high-intensity interval exercise… vs Baseline (pre-exercise levels)
Design
Cohort
Follow-up
24 hours
Authors
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HIIE elevates hs-cTnT for ≥24 h in runners; hypothesis-generating for troponin interpretation post-exercise, needs prospective validation.
Observational (n=21)
Does a single bout of high-intensity interval exercise increase high-sensitivity cardiac troponin T release in experienced marathon runners?
High-intensity interval exercise elicits a significant release of high-sensitivity cardiac troponin T in marathon runners, which is positively correlated with exercise heart rate.
Li et al. (2017) conducted an observational in experienced marathon runners (n=21). High-intensity interval exercise (HIIE) was evaluated on high-sensitivity cardiac troponin T (hs-cTnT) release. High-intensity interval exercise elicited an elevation in high-sensitivity cardiac troponin T that peaked at 4 hours and remained above baseline at 24 hours.
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