Peer-reviewed veterinary case report
Thermography shows back heat in dogs with hip osteoarthritis
By Alves, J C et al.·Published in Journal of thermal biology·2023·MED - Mediterranean Institute for Agriculture·View original on PubMed →
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Original publication title: Evaluation of the thermographic response of the lumbar region in dogs with bilateral hip osteoarthritis.
- Species:
- dog
Plain-English summary
A group of 47 police dogs with hip osteoarthritis (a painful joint condition) had their backs examined using infrared thermography to check for inflammation. The study found that Labrador Retrievers had higher temperatures in their lumbar region compared to German Shepherds and Belgian Malinois, which could indicate different levels of discomfort. While the temperature readings helped predict pain and stiffness in the dogs, there was no clear link between the severity of hip osteoarthritis and temperature. More research is needed to see how these findings can help with treatment.
People also search for: dog hip osteoarthritis treatment · infrared thermography for dogs · Labrador Retriever joint pain · police dog hip pain symptoms
Abstract
Infrared thermography is suggested as a method of medical assistance for evaluating anatomical regions where there may be some inflammatory or painful condition that requires immediate medical attention. For this reason, this study aimed to characterize digital thermography of the lumbar region in police working dogs with hip osteoarthritis, 47 dogs with bilateral hip osteoarthritis were evaluated. A thermographic dorsoventral view of the dogs' backs were obtained, and mean and maximum temperatures were determined. In addition, results from the Canine Brief Pain Inventory, Liverpool Osteoarthritis in Dogs (LOAD), the Canine Orthopedic Index, and weight-bearing distribution evaluation were collected. Results were compared with an Independent Samples T-Test or ANOVA, followed by an LSD post hoc. Multiple regression was run to predict temperatures from age, sex, breed, body weight, and Orthopedic Foundation for Animals hip score and to predict clinical metrology scores and weight-bearing distribution results from temperature results. The sample included 28 males and 19 females, with a mean age of 6.3 ± 2.5 years and bodyweight of 26.9 ± 5.1 kg, with osteoarthritis hip scores of mild (70.2%), moderate (21.3%), and severe (8.5%). Significant differences were observed in mean temperatures between German Shepherd Dogs (GSD) and Labrador Retrievers (LR) (p < 0.01), and LR and Belgian Malinois (BM) (p=0.02). Mean temperature contributed to the prediction of LOAD and stiffness. LR showed significantly higher temperature values than GSD and BM. No differences were observed between osteoarthritis hip scores and mean temperature values contributed to LOAD scores' prediction. This relation needs to be addressed in further studies, involving a larger number of animals, and to determine changes in response to treatment.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/37356203/