Bilateral Osteoarthritis of Coxofemoral Joint in a Thoroughbred Horse

다국어 초록 (Multilingual Abstract)

A 3-year-old black Thoroughbred colt weighing 500 kg was admitted to the Equine Hospital of Korea RacingAuthority (KRA) due to the chronic gait abnormality of the hindlimbs. The history revealed that the patient had runand fallen onto the fence of the farm about at the age of 1 year old and the lameness had been worsening insidiouslysince the accident. The degree of lameness was 2/5 in accordance with the AAEP lameness grading system in bothhindlimbs at hand walking and trot. The lameness was exacerbated at lunging clockwise and counterclockwise onboth hindlimbs. The definitive diagnosis of the bilateral osteoarthritis of coxofemoral joint was established usingradiography under general inhalation anesthesia. The prognosis was considered to be poor with low expectancy forracing and the colt was expelled from the racecourse eventually. The clinicians are required to consider the possibilityof osteoarthritis of coxofemoral joint presented with chronic hindlimb lameness although it is rare. This is the firstreport on the bilateral osteoarthritis coxofemoral joint in Republic of Korea.

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