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Exercise-Induced Release of Cardiac Troponins in Adolescent vs. Adult Swimmers

To examine the exercise-induced release of cardiac troponin T (cTnT) in adolescent and adult swimmers. Thirty-two trained male (18 adolescents, 14 adults) swam at maximal pace in a 45 min distance trial, and blood samples were drawn before, immediately and 3 h after exercise for subsequent cTnT anal...

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Published in:International journal of environmental research and public health 2021-02, Vol.18 (3), p.1285
Main Authors: Cirer-Sastre, Rafel, Corbi, Francisco, López-Laval, Isaac, Carranza-García, Luis Enrique, Reverter-Masià, Joaquín
Format: Article
Language:English
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Summary:To examine the exercise-induced release of cardiac troponin T (cTnT) in adolescent and adult swimmers. Thirty-two trained male (18 adolescents, 14 adults) swam at maximal pace in a 45 min distance trial, and blood samples were drawn before, immediately and 3 h after exercise for subsequent cTnT analysis and comparison. Having comparable training experience and baseline values of cTnT ( = 0.78 and = 0.13), adults exercised at lower absolute and relative intensity ( < 0.001 and < 0.001, respectively), but presented higher immediate cTnT after exercise than adolescents ( < 0.001). Despite that, peak concentrations were observed at 3 h post exercise and peak elevations were comparable between groups ( = 0.074). Fourteen (44%) apparently healthy subjects exceeded the cutoff value for myocardial infarction (MI). Adolescents presented a delayed elevation of cTnT compared with adults, but achieved similar peak values.
ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph18031285