RESUMO

Background: Despite the fact that slab fracture of the third carpal bone is an event of great worldwide relevance in racehorses, the third carpal fracture doesn’t have data on treatments and return to racing in Brazil. The search for efficient treatments and which provide recovery providing horses return to racing is an objective of sports equine medicine. Regenerative therapies like Platelet Rich Plasma (PRP) and Stem Cells (MSc) have demonstrated a great potential in the treatment of several injuries. For the treatment of three Thoroughbred racing horses at Brazilian Jockey Club, with sagittal plane slab fractures of the third carpal bone, we used the association of PRP and Stem Cells for reduction of the rest and good return to conditions athletics of these horses. Cases: Three Thoroughbred racing horses, males, 4 and 5 years old, showed slab fracture third carpal bone in different moments of their activity at Brazilian Jockey Club. Usually, the treatment for this type of fracture is the arthroscopic repair and the conservative management. We performed after initial radiographic evaluation dorsoproximal-dorsodistal oblique (DPr-DDiO) “skyline”, intra-articular applications of PRP and MSCs. The treatments were performed according to the radiographic follow-up of the lesion evolution. No other treatment was performed concomitantly with cell therapy in the 3 treated patients. Three treatments were performed in the first patient and 2 in the second and third patients. Before each treatment for all patients, we performed radiography dorsoproximal-dorsodistal oblique (DPr-DDiO) ‘skyline’ of the carpus. After this step, the animal was sedated with 10% xylazine hydrochloride at a dose of 0.5 mg/kg intravenously. Antisepsis of the carpus was performed and applied with radiographic monitoring of the needle positioning, first the PRP in the volume of 2 mL and in sequence, 20 million cells MSCs suspended in autologous...

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RESUMO

O Puro-Sangue-Inglês (PSI), raça nobre de origem inglesa especializada em corridas, encontra-se difundido em todo o Brasile, dada a falta de dados sobre a fisiologia do exercício destes animais torna-se importante a realização de testes de esforçosob algumas condições características visando a obter informações mais precisas e adequadas quando esses cavalos sãosubmetidos a esforços constantes. Alguns parâmetros mostram-se de grande valia na determinação de performance. Foramutilizados 20 animais em fase de treinamento no Jockey Club Brasileiro, com idade entre 2 e 6 anos, machos e fêmeas,submetidos a testes de esforço em esteira visando avaliar os dados hemogasométricos (pH, pO2 , pCO2, HCO3, excesso debase real (ABE) e p50). Os valores médios variaram nos tempos estudados e foram correlacionados e avaliados estatisticamente.Concluiu-se que a realização de teste de esforço em esteira ergométrica é útil para a determinação destes parâmetros e temcomo principal função avaliar a capacidade atlética de cavalos de corridas, bem como detectar possíveis momentos de baixaperformance permitindo a sua correção.

Thoroughbred horses, a noble English breed specialized in races, are spread in Brazil and due to the lack of data concerningtheir exercise physiology, it is important to do exercise tests under some characteristic conditions in order to obtain precise andproper data as these horses are submitted to constant efforts. Twenty Thoroughbred racehorses in training at Jockey ClubBrasileiro, with age ranging from 2 to 6 years old, males and females, submitted to effort tests on treadmill in order to evaluatehemogasometric (pH, pO2, pCO2, HCO3, actual base excess (ABE) and p50) values. The mean values varied at the studiedtimes and they were statistically evaluated and correlated. It was concluded that the exercise tests on a treadmill are useful forthe determination of this parameters and they have as main role to evaluate the athletic ability of racehorses, as well as to detectpossible poor performance times, allowing their correction.

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