Avaliação laboratorial do estresse oxidativo e eletrocardiografia de cadelas submetidas a exercício / Laboratory findings of oxidative stress and electrocardiography of dogs submitted to exercise
AUTOR(ES)
Amanda Polizel
FONTE
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia
DATA DE PUBLICAÇÃO
01/08/2011
RESUMO
The lack or absence of physical activity in dogs, combined with a diet high in energy has seriously affected the health of dogs, taking them to the development of various problems associated with the heart. This study aimed to study the activity of serum enzymes creatine kinase (CK), creatine kinase MB fraction (CK-MB), lactate dehydrogenase (LDH) and glutathione peroxidase (GSH-Px), before and after short duration exercise, evaluating them with electrocardiographic findings such as heart rate (beats / minute), duration of P-R interval (seconds), heart rate and variation of the T wave in 8 healthy dogs. Heart rate, P-R segment size, heart rates and percentage of T wave, did not change during exercise. It can be concluded that exercise of short duration conducted with prior training of animals modified values of CK, CK-MB and LDH, probably caused by muscle injury due to physical exertion and increased GSH-Px was caused by increased production of free radicals due to the higher oxygen consumption by the body during physical effort.
ASSUNTO(S)
cães exercício físico atividade enzimática eletrocardiograma dogs exercise enzymatic activities electrocardiogram medicina veterinaria
ACESSO AO ARTIGO
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