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

Rafel Cirer-Sastre, Francisco Corbi, Isaac López-Laval, Luis Enrique Carranza-García and Joaquín Reverter-Masià
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Rafel Cirer-Sastre: Institut Nacional d’Educació Física de Catalunya (INEFC), Universitat de Lleida (UdL), 25192 Lleida, Spain
Francisco Corbi: Institut Nacional d’Educació Física de Catalunya (INEFC), Universitat de Lleida (UdL), 25192 Lleida, Spain
Isaac López-Laval: Facultad de Ciencias de la Salud y del Deporte, Universidad de Zaragoza, 50009 Zaragoza, Spain
Luis Enrique Carranza-García: Facultad de Organización Deportiva (FOD), Universidad Autónoma de Nuevo León (UANL), San Nicolás de los Garza 66455, Mexico
Joaquín Reverter-Masià: Departament de Didàctiques Específiques, Universitat de Lleida (UdL), 25003 Lleida, Spain

IJERPH, 2021, vol. 18, issue 3, 1-6

Abstract: 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 ( p = 0.78 and p = 0.13), adults exercised at lower absolute and relative intensity ( p < 0.001 and p < 0.001, respectively), but presented higher immediate cTnT after exercise than adolescents ( p < 0.001). Despite that, peak concentrations were observed at 3 h post exercise and peak elevations were comparable between groups ( p = 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.

Keywords: biomarkers; heart damage; swimming; growth (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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