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Ciência Rural

Print version ISSN 0103-8478On-line version ISSN 1678-4596


NOMURA, Roberto Harutomi Corrêa et al. Thermographic images from healthy knees between dogs with long and short hair. Cienc. Rural [online]. 2018, vol.48, n.12, e20170040.  Epub Dec 06, 2018. ISSN 0103-8478.

The aim of this study was to investigate the influence of fur length in the evaluation of knees temperature in healthy dogs, using infrared thermography. This is a non-invasive diagnosis that is able to assess the microcirculation of the internal skin. Changes in temperature reflect from inflammatory reactions and vascular infarction to neurological disorders. Knees of 30 healthy dogs were analyzed, with up to 11 pounds of weight, screened by clinical examination and radiographic examination. Group A, consisting of 13 dogs with short fur, with 26 knees evaluated in total. Group B included animals with long fur, consisting of 17 animals, with 29 knees evaluated in total. The average temperatures of the cranial, lateral, caudal and medial sides of knees were analyzed. A significant difference between the groups was observed, with group A temperature being greater than the group B in all four analyzed faces. Comparing the temperatures of the faces in the contralateral limb, in both groups, the statistical analysis revealed no significant difference. In group A it was observed that temperatures in the cranial and lateral sides were similar, but different from the others. In group B, the statistical analysis showed the cranial lateral and caudal faces was similar, but differed from the medial side. The thermographic examination proved to be sensitive in the evaluation of temperature of small dogs’ knees;however, the length of the fur influenced the result.

Keywords : coat; knees; infrared thermography; imaging diagnosis.

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