Study relations between exercise-induced pulmonary hemorrhage and alterations of upper airways and trachea Thoroughbreds racehorses that have undergone endoscopic examinations in the São Paulo Jockey Club / Estudo da correlação entre a hemorragia pulmonar induzida por exercício e alterações das vias aéreas anteriores e traquéia identificadas por exame endoscópico em eqüinos da raça Puro Sangue Inglês no Jockey Club de São Paulo

AUTOR(ES)

Domingos Antônio Mucciacito Júnior

DATA DE PUBLICAÇÃO

2006

RESUMO

Exercise-induced pulmonary hemorrhage (EIPH) is characterize by blood found in upper and lower respiratory tract. It is considered by many authors to have a negative effect on the athletic performance of racing horses, causing significantive economic losses. Some authors suggest that obstructive and inflammatory process breaks out HPIE, but this question hasn´t been settled so far. The aim of this study is to identify the relations between exercise-induced pulmonary hemorrhage and alterations of upper airways and trachea on Thoroughbreds racehorses that raced at the tracks of the São Paulo Jockey Club from March, 1999 to September, 2005. The endoscopic examination was made 30 minutes after the race by a single examiner, and 4036 results have been analyzed. Among these horses, 2229 took previous furosemide medication and 1737 didn´t. The results regarding the presence of EIPH were 52.40% for the first group and 60% for the second, with no significant difference related to age and sex. However, the prevalence of grade 4 EIPH among females was two times bigger than among males. No positive relation between EIPH and alterations of upper airways and trachea was observed, although in dorsal displacement of the soft palate that was statistically significantive or with recurrent laryngeal neuropathy left although no statistically significative. The horses that presented disease of upper airways didn´t any relation with EIPH. Among alterations of upper airways analyzed, the recurrent laryngeal neuropathy left and dorsal displacement of the soft palate showed positive relation with EIPH, and only the second one was statistically significative.

ASSUNTO(S)

performance performance pulmão tract respiratory disease animal cavalo puro sangue inglês thoroughbreds racehorses hemorrhage hemorragia lung doenças do sistema respiratório em animal

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