Exercise-induced cardiac fatigue in low handicap polo horses

Physical exercise leads to several changes in the cardiovascular system of horses and may induce abnormalities that are not observed at rest. Little is known about the cardiac effects of intense physical exercise performed by horses in polo competitions. This study aimed at identifying if exercise-i...

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Autores principales:	Bello,CAO, Dumont,CBS, Barreto-Vianna,ARC, Lima,EMM
Lenguaje:	English
Publicado:	Facultad de Ciencias Veterinarias, Universidad Austral de Chile 2014
Materias:	horse exercise physiology cardiac function
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0301-732X2014000300010
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spelling	oai:scielo:S0301-732X20140003000102015-01-14Exercise-induced cardiac fatigue in low handicap polo horsesBello,CAODumont,CBSBarreto-Vianna,ARCLima,EMM horse exercise physiology cardiac function Physical exercise leads to several changes in the cardiovascular system of horses and may induce abnormalities that are not observed at rest. Little is known about the cardiac effects of intense physical exercise performed by horses in polo competitions. This study aimed at identifying if exercise-induced cardiac fatigue is observed in healthy polo ponies. We examined 25 equine athletes before and after a training match. The results demonstrated post-exercise electrocardiographic alteration such as cardiac arrhythmia, QTc prolongation, abnormal T waves and ST-segment elevation. The post-exercise echocardiogram showed interventricular septum and left ventricle free wall thickness reduction, systolic volume decreased and ejection fraction decreased. These results suggest that polo causes exercise-induced cardiac fatigue. It was not possible to establish accurately the etiology of this abnormality, nor its long-term consequences.info:eu-repo/semantics/openAccessFacultad de Ciencias Veterinarias, Universidad Austral de ChileArchivos de medicina veterinaria v.46 n.3 20142014-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0301-732X2014000300010en10.4067/S0301-732X2014000300010
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	horse exercise physiology cardiac function
spellingShingle	horse exercise physiology cardiac function Bello,CAO Dumont,CBS Barreto-Vianna,ARC Lima,EMM Exercise-induced cardiac fatigue in low handicap polo horses
description	Physical exercise leads to several changes in the cardiovascular system of horses and may induce abnormalities that are not observed at rest. Little is known about the cardiac effects of intense physical exercise performed by horses in polo competitions. This study aimed at identifying if exercise-induced cardiac fatigue is observed in healthy polo ponies. We examined 25 equine athletes before and after a training match. The results demonstrated post-exercise electrocardiographic alteration such as cardiac arrhythmia, QTc prolongation, abnormal T waves and ST-segment elevation. The post-exercise echocardiogram showed interventricular septum and left ventricle free wall thickness reduction, systolic volume decreased and ejection fraction decreased. These results suggest that polo causes exercise-induced cardiac fatigue. It was not possible to establish accurately the etiology of this abnormality, nor its long-term consequences.
author	Bello,CAO Dumont,CBS Barreto-Vianna,ARC Lima,EMM
author_facet	Bello,CAO Dumont,CBS Barreto-Vianna,ARC Lima,EMM
author_sort	Bello,CAO
title	Exercise-induced cardiac fatigue in low handicap polo horses
title_short	Exercise-induced cardiac fatigue in low handicap polo horses
title_full	Exercise-induced cardiac fatigue in low handicap polo horses
title_fullStr	Exercise-induced cardiac fatigue in low handicap polo horses
title_full_unstemmed	Exercise-induced cardiac fatigue in low handicap polo horses
title_sort	exercise-induced cardiac fatigue in low handicap polo horses
publisher	Facultad de Ciencias Veterinarias, Universidad Austral de Chile
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0301-732X2014000300010
work_keys_str_mv	AT bellocao exerciseinducedcardiacfatigueinlowhandicappolohorses AT dumontcbs exerciseinducedcardiacfatigueinlowhandicappolohorses AT barretoviannaarc exerciseinducedcardiacfatigueinlowhandicappolohorses AT limaemm exerciseinducedcardiacfatigueinlowhandicappolohorses
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Exercise-induced cardiac fatigue in low handicap polo horses

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