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Title: Prevalence of Radiographic Signs of Osteoarthritis in Lusitano Purebred Horses
Authors: Ramos, Sofia
Pinto, António
Cardoso, Madalena
Alexandre, Nuno
Bettencourt, Elisa
Monteiro, Susana
Telo da Gama, Luis
Keywords: Horse
Issue Date: 23-Jul-2020
Publisher: Elsevier
Citation: Ramos S., Pinto A., Cardoso M. et al. Prevalence of radiographic signs of osteoarthritis in Lusitano Purebred Horses. J Equine Vet Sci 2020;94.
Abstract: Radiographic prevalence and correlation of radiographic findings has not been performed in Lusitano Purebred horses. The aim of this study was to (1) evaluate the prevalence of primary osteoarthritis radiographic findings in Lusitano Purebred horses; (2) to assess correlations between radiographic findings in different joints of the same limb and different limbs; and (3) elucidate the effect of age in the radiographic findings. A radiographic protocol of the stifle, tarsi, fetlocks and distal limbs was done in 98 Lusitanos and the classification of the radiographs was performed using a 0-4 scale developed and applied blindly by three veterinarians. The distal interphalangeal, proximal interphalangeal, meta- carpophalangeal, metatarsophalangeal, tarsometatarsal, distal intertarsal, proximal intertarsal/, tibio- tarsal and femorotibial-patellar joints were evaluated. Most joints presented no abnormal findings or minor abnormal radiographic findings (82.86% grade 1). The most affected joint was tarsometatarsal and more severe lesions were found in tarsometatarsal and distal intertarsal. Femorotibial-patellar radiographic changes were rare (2.13%). A strong/moderate correlation was found between contralat- eral joints with exception hindlimb fetlocks. A moderate correlation was found between fore and hin- dlimbs for distal limb joints. When analyzing ipsilateral as well as diagonal distal limbs, a strong/ moderate correlation was also found. The total score progressed in 0.2 score points per each year of age, revealing that age can be a statistically significant predictor for radiographic changes. Overall, Lusitano horses presented a low prevalence of severe radiographic sings of primary osteoarthritis. Findings in contralateral joints tend to be correlated.
Type: article
Appears in Collections:MED - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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