Alterações agudas induzidas por uma prova de triathlon longo em diferentes biomarcadores enzimáticos e da função imune

  • Faber Sérgio Bastos Martins Faculdade de Desporto - Universidade do Porto
  • José Augusto Rodrigues dos Santos Faculdade de Desporto - Universidade do Porto
Palavras-chave: Triathlon, Treino, Atividade enzimática, Sistema imune, Linfócitos

Resumo

Objetivo: Analisar as alterações hematológicas agudas induzidas por uma prova de triathlonlongo. Avaliou-se o comportamento de diversos biomarcadores enzimáticos e da função imune em atletas portugueses masculinos de triathlon. Material e Métodos: 10 atletas seniores masculinos (31,5 ± 1,2 anos; 69,3 ± 1,9 kg;177,7 ± 1,4 cm; 22,0 ± 0,8 de IMC e 10,1 ± 2,2 % GC) divididos em grupos elite e não-elite. Foram recolhidas amostras de sangue venoso periférico antes e imediatamente após as provas. Utilizou-se estatística descritiva, testes não-paramétricos de Wilcoxone Mann-Whitney e coeficiente de correlação de Spearman. Resultados: Verificou-se o aumento da atividadedas enzimas CK e AST (p<0,05) em ambos os grupos. O aumento da atividadeda enzima GGT (p<0,05) ocorreu somente no grupo elite. Foi constatado, em ambos os grupos, um aumento da contagem leucocitária, fundamentalmente expressa pelo aumento da contagem de neutrófilos (p<0,05). Após a prova, registrou-se a diminuição da relação CD4/CD8 e aumento das concentrações dos linfócitos T CD3+CD8+, T CD4+reg e T CD4+CD69+ nos atletas dos grupos não-elite. Conclusão: Os resultados encontrados sugerem que a intensidade e a duração da prova de triathloncondicionam as respostas dos diversos biomarcadores analisados em função do nível de treino dos atletas.

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Publicado
2012-04-22
Como Citar
Martins, F. S. B., & Santos, J. A. R. dos. (2012). Alterações agudas induzidas por uma prova de triathlon longo em diferentes biomarcadores enzimáticos e da função imune. RBPFEX - Revista Brasileira De Prescrição E Fisiologia Do Exercício, 5(27). Recuperado de https://www.rbpfex.com.br/index.php/rbpfex/article/view/403
Seção
Artigos Científicos - Original