Thermographic imaging of police working dogs with bilateral naturally occurring hip osteoarthritis
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Acta Veterinaria Scandinavica Open Access
RESEARCH
Thermographic imaging of police working dogs with bilateral naturally occurring hip osteoarthritis João Carlos Agostinho Alves1,2* , Ana Margarida Moniz Pereira dos Santos1, Patrícia Isabel Figueiredo Jorge1, Catarina Falcão Trigoso Vieira Branco Lavrador2 and L. Miguel Carreira3,4,5
Abstract Background: Digital thermal imaging is a physiologic, non-invasive, contactless, and non-radiating diagnostic tool that can assess a wide range of musculoskeletal conditions, including hip osteoarthritis (HOA). Fifty police working dogs were evaluated to compare the dorsoventral (DV) and lateral (LT) thermographic images in dogs with naturally occurring bilateral HOA. A DV, and left and right lateral LT images were obtained for each animal in six different moments. They were positioned standing in a symmetrical upright position for the DV view. Each image included the area from the last lumbar to the first coccygeal vertebrae. Each LT view was set with the greater trochanter in the centre of the image. Images were taken with a thermographic camera from a distance of 60 cm. Mean and maximal temperatures were recorded, analyzed with ANOVA, dependent samples t-test, and Spearman correlation, with P
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