The impact of exercise intensity on the release of cardiac biomarkers in marathon runners
We sought to determine the influence of exercise intensity on the release of cardiac troponin I (cTnI) and N-terminal pro-brain natriuretic peptide (NT-proBNP) in amateur marathon runners. Fourteen runners completed three exercise trials of the same duration but at exercise intensities correspond...
Autores principales: | , , , , , |
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Formato: | Artículo |
Lenguaje: | inglés |
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Springer
2011
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Acceso en línea: | http://eprints.uanl.mx/12286/1/THEIMP~1.PDF |
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author | Legaz Arrese, Alejandro George, Keith Carranza García, Luis Enrique Munguía Izquierdo, Diego Moros García, Teresa Serrano Ostáriz, Enrique |
author_facet | Legaz Arrese, Alejandro George, Keith Carranza García, Luis Enrique Munguía Izquierdo, Diego Moros García, Teresa Serrano Ostáriz, Enrique |
author_sort | Legaz Arrese, Alejandro |
collection | Repositorio Institucional |
description | We sought to determine the influence of exercise intensity on the release of cardiac troponin I (cTnI) and
N-terminal pro-brain natriuretic peptide (NT-proBNP) in
amateur marathon runners. Fourteen runners completed
three exercise trials of the same duration but at exercise intensities corresponding to: (a) a competitive marathon [mean ± SD: heart rate 159 ± 7 beat min-1
, finish time 202 ± 14 min]; (b) 95% of individual anaerobic threshold [heart rate 144 ± 6 beat min-1
] and; (c) 85% of individual anaerobic threshold [heart rate 129 ± 5 beat min-1 ]. cTnI and NT-proBNP were assayed from blood samples collected before, 30 min and 3 h post-exercise for each trial. cTnI and NT-proBNP were not different at baseline before each trial. After exercise at 85% of individual anaerobic threshold cTnI was not significantly elevated. Conversely,
cTnI was elevated after exercise at 95% of individual
anaerobic threshold (0.016 lg L-1) and to an even greater
extent after exercise at competition intensity
(0.054 lg L-1 ). Peak post-exercise values of NT-proBNP
were elevated to a similar extent after all exercise trials (P\0.05). The upper reference limit for cTnI
(0.04 lg L-1 ) was exceeded in six subjects at competition intensity. No data for NT-proBNP surpassed its upper reference limit. Peak post-exercise values for cTnI and NTproBNP were correlated with their respective baseline values. These data suggest exercise intensity influences the release of cTnI, but not NT-proBNP, and that competitive marathon running intensity is required for cTnI to be elevated over its upper reference limit |
format | Article |
id | eprints-12286 |
institution | UANL |
language | English |
publishDate | 2011 |
publisher | Springer |
record_format | eprints |
spelling | eprints-122862021-06-21T13:46:43Z http://eprints.uanl.mx/12286/ The impact of exercise intensity on the release of cardiac biomarkers in marathon runners Legaz Arrese, Alejandro George, Keith Carranza García, Luis Enrique Munguía Izquierdo, Diego Moros García, Teresa Serrano Ostáriz, Enrique GV Deportes y Recreación We sought to determine the influence of exercise intensity on the release of cardiac troponin I (cTnI) and N-terminal pro-brain natriuretic peptide (NT-proBNP) in amateur marathon runners. Fourteen runners completed three exercise trials of the same duration but at exercise intensities corresponding to: (a) a competitive marathon [mean ± SD: heart rate 159 ± 7 beat min-1 , finish time 202 ± 14 min]; (b) 95% of individual anaerobic threshold [heart rate 144 ± 6 beat min-1 ] and; (c) 85% of individual anaerobic threshold [heart rate 129 ± 5 beat min-1 ]. cTnI and NT-proBNP were assayed from blood samples collected before, 30 min and 3 h post-exercise for each trial. cTnI and NT-proBNP were not different at baseline before each trial. After exercise at 85% of individual anaerobic threshold cTnI was not significantly elevated. Conversely, cTnI was elevated after exercise at 95% of individual anaerobic threshold (0.016 lg L-1) and to an even greater extent after exercise at competition intensity (0.054 lg L-1 ). Peak post-exercise values of NT-proBNP were elevated to a similar extent after all exercise trials (P\0.05). The upper reference limit for cTnI (0.04 lg L-1 ) was exceeded in six subjects at competition intensity. No data for NT-proBNP surpassed its upper reference limit. Peak post-exercise values for cTnI and NTproBNP were correlated with their respective baseline values. These data suggest exercise intensity influences the release of cTnI, but not NT-proBNP, and that competitive marathon running intensity is required for cTnI to be elevated over its upper reference limit Springer 2011 Article PeerReviewed text en cc_by_nc_nd http://eprints.uanl.mx/12286/1/THEIMP~1.PDF http://eprints.uanl.mx/12286/1.haspreviewThumbnailVersion/THEIMP~1.PDF Legaz Arrese, Alejandro y George, Keith y Carranza García, Luis Enrique y Munguía Izquierdo, Diego y Moros García, Teresa y Serrano Ostáriz, Enrique (2011) The impact of exercise intensity on the release of cardiac biomarkers in marathon runners. European journal of applied physiology, 111 (12). pp. 2961-2967. ISSN 1439-6319 |
spellingShingle | GV Deportes y Recreación Legaz Arrese, Alejandro George, Keith Carranza García, Luis Enrique Munguía Izquierdo, Diego Moros García, Teresa Serrano Ostáriz, Enrique The impact of exercise intensity on the release of cardiac biomarkers in marathon runners |
thumbnail | https://rediab.uanl.mx/themes/sandal5/images/online.png |
title | The impact of exercise intensity on the release of cardiac biomarkers in marathon runners |
title_full | The impact of exercise intensity on the release of cardiac biomarkers in marathon runners |
title_fullStr | The impact of exercise intensity on the release of cardiac biomarkers in marathon runners |
title_full_unstemmed | The impact of exercise intensity on the release of cardiac biomarkers in marathon runners |
title_short | The impact of exercise intensity on the release of cardiac biomarkers in marathon runners |
title_sort | impact of exercise intensity on the release of cardiac biomarkers in marathon runners |
topic | GV Deportes y Recreación |
url | http://eprints.uanl.mx/12286/1/THEIMP~1.PDF |
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