Relationship between clinical and radiography examination for equine osteoarthritis diagnosis
Keywords:Osteoarthritis, Lameness, Horse, Radiography, Physical activity
Abstractoint disease, specifically osteoarthritis, is one of the most prevalent and debilitating diseases affecting athletic horses. Despite technological advances in recent decades, clinical and radiographic examinations are still the most commonly used methods for diagnosis of equine osteoarthritis. Clinical data of 2872 horses were compiled and compared for this study, it were evaluated 146 cases of osteoarthritis and radiographies of 259 affected joints were reviewed in order to verify how far radiographic examination is consistent with the clinical examination, and to correlate the clinical changes with physical activity performed by horses. Records showed that osteoarthritis in the fetlock and pastern joints (digit) when displaying radiographic changes makes horses more prone to show lameness, compared to others who also have osteoarthritis with radiographic evidence, but in the tarsocrural joint. However, radiographic scores do not correlate the radiographic image with the presence or absence of lameness. The type of physical activity performed by the horses had no influence on the frequency of clinical signs of osteoarthritis. The horses with osteoarthritis had an average of 8.4 ± 3.9 years old and were used for ride, western and work with cattle. Among the breeds studied, those that most frequently had horses with osteoarthritis were Mangalarga Marchador, Crioulo and Quarter Horse.
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