Eletrocardiografia contínua (Holter) em cães saudáveis submetidos a diferentes exercícios físicos

Barretto, Flávia Lopes; Ferreira, Flávio; Freitas, Millena Vidal; Santos, VC; Corrêa, Elisabete Sales; Carvalho, Cláudio Baptista de

doi:10.1590/s0102-09352013000600006

Cited by 2 publications

(1 citation statement)

References 16 publications

(19 reference statements)

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“…These changes may be present after physical exercise when preheating is inadequate, when the dynamic exercise approaches the maximum capacity or during the rapid recovery, which is called the arrhythmogenic period (Vázquez et al, 1998;Negrão and Barreto, 2010). Ventricular premature complex (VPC) in non-athlete dogs was observed during and after physical activity, which was likely related to the lack of physical conditioning of the animals (Barretto et al, 2013). Vázquez et al (1998) also reported the occurrence of 15 VPC cases in racing greyhounds, seven before and eight after testing 399 animals.…”

Section: Resultsmentioning

confidence: 99%

Effect of exercise on cardiovascular parameters in search and rescue-trained dogs

Santos

Reis

et al. 2018

Arq. Bras. Med. Vet. Zootec.

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Physical activity alters the cardiovascular system of dogs, depending on the exercise characteristics and the animal’s physical conditioning. Little is known about the cardiovascular changes in rescue-trained dogs. This study evaluated the cardiovascular responses to a search and rescue exercise session to differentiate these alterations from cases of exhaustion or some possible pathology. Nine healthy rescue-trained dogs that trained for at least one year were used. Seven German Shepherds and two Belgian Shepherd Malinois were evaluated twice, immediately before exercise (M0) and immediately after a 20-minute training (M1). Electrocardiographic, echocardiographic, and systemic blood pressure (SBP) measurements were performed at each evaluation. Heart rate was evaluated in three moments, M0, M1 and five minutes after the end of the physical activity (M2). The results indicated that training increased oxygen demand and significantly increased cardiac output, left ventricular volume in diastole and aortic artery diameter, and the contraction force with the increased mitral annular motion without impairing systolic and diastolic cardiac functions. Heart rate values immediately and five minutes after exercise were similar to baseline values. Training did not alter SBP and the electrocardiographic parameters. The present study indicated good cardiac performance to the physical effort of rescue-trained dogs and reduced the chances of poor performance and the occurrence of sudden death caused by exercise in response to the pattern of activity performed.

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Section: Resultsmentioning

confidence: 99%

Effect of exercise on cardiovascular parameters in search and rescue-trained dogs

Santos

Reis

et al. 2018

Arq. Bras. Med. Vet. Zootec.

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Efeito de diferentes intensidades de exercício em esteira sobre os parâmetros eletrocardiográficos de cães hígidos

Xavier

Volpato

Dalmina

et al. 2018

Arq. Bras. Med. Vet. Zootec.

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RESUMO Objetivou-se a padronização de testes de exercício de alta e baixa intensidades em esteira, bem como a avaliação do eletrocardiograma de cães submetidos a esses testes. Para tal fim, sete cães da raça Australian Cattle Dog e quatro da raça Border Collie clinicamente saudáveis foram submetidos a dois testes de exercício em esteira, com pelo menos sete dias de intervalo: T1 - teste de exercício de alta intensidade e curta duração, e T2 - teste de exercício de baixa intensidade e longa duração. A amplitude e a duração de ondas e intervalos foram avaliadas no momento antes do exercício (M0) e nos momentos imediatamente após o término dos testes (MPE) e 30 minutos após (M30). A frequência e o ritmo cardíacos foram avaliados antes dos testes e continuamente por 30 minutos após o término do exercício. Verificou-se diferença significativa somente para a duração do intervalo QT em M30 em T1, além de algumas arritmias, como complexos atriais e ventriculares prematuros isolados em três animais após o teste T1, e em quatro após T2. Os testes de exercício foram adequados para promover estimulação simpática nos cães, contudo não causaram alterações significativas no eletrocardiograma, provavelmente em razão do excelente condicionamento físico dos animais.

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Eletrocardiografia contínua (Holter) em cães saudáveis submetidos a diferentes exercícios físicos

Cited by 2 publications

References 16 publications

Effect of exercise on cardiovascular parameters in search and rescue-trained dogs

Effect of exercise on cardiovascular parameters in search and rescue-trained dogs

Efeito de diferentes intensidades de exercício em esteira sobre os parâmetros eletrocardiográficos de cães hígidos

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