Peer-reviewed veterinary case report
Early bone growth on dog hip bone may signal hip arthritis
By Szabo, Stephanie D. et al.·Published in Journal of the American Veterinary Medical Association·2007·View original on Crossref →
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Original publication title: Evaluation of a circumferential femoral head osteophyte as an early indicator of osteoarthritis characteristic of canine hip dysplasia in dogs
- Species:
- dog
Plain-English summary
A group of 48 Labrador Retrievers was studied to see if a specific bone growth called a circumferential femoral head osteophyte (CFHO) could signal early signs of hip arthritis related to hip dysplasia. The dogs were divided into two groups: one group was fed normally, while the other received a reduced diet. Most of the dogs developed CFHOs by around 5 years old, and many of those with CFHOs later showed signs of arthritis. The findings suggest that if your Labrador has a CFHO, it could mean they are at risk for developing hip arthritis later on.
People also search for: Labrador hip dysplasia symptoms · dog arthritis signs · circumferential femoral head osteophyte treatment · hip arthritis in dogs · diet for Labrador with hip problems
Abstract
Abstract Objective—To determine the relationship between a circumferential femoral head osteophyte (CFHO) and osteoarthritis characteristic of canine hip dysplasia, and to ascertain whether CFHO, like osteoarthritis, varies between diet-restricted and control-fed dogs. Design—Longitudinal cohort study. Animals—48 Labrador Retrievers. Procedures—Dogs were paired by size, sex, and litter and assigned to 1 of 2 equal groups at 2 months of age. The control-fed group was fed ad libitum, and the diet-restricted group was fed 25% less on a pairwise basis of the same diet for life. The dogs' hip joints were radiographed yearly for life. Each radiograph was evaluated for radiographic signs of osteoarthritis characteristic of hip dysplasia and for the presence and severity of a CFHO. Results—41 of the 48 (85.4%) dogs had a CFHO, which was detected at a median age of 5.4 years, and 33 of those 41 (80.5%) developed radiographic evidence of osteoarthritis. Nineteen (79.2%) dogs in the diet-restricted group and 22 (91.7%) in the control-fed group had a CFHO at a median age of 9 and 3 years, respectively. Of the dogs with a CFHO, 12 (63.2%) in the diet-restricted group and 20 (90.0%) in the control-fed group developed radiographic evidence of osteoarthritis characteristic of hip dysplasia at a median age of 11 and 6.5 years, respectively. Conclusions and Clinical Relevance—Results indicated a relationship between the CFHO and subsequent development of radiographic signs of osteoarthritis. If a CFHO is present in Labrador Retrievers, it might be considered an early indicator of osteoarthritis.
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Search related cases →Original publication on Crossref: https://doi.org/10.2460/javma.231.6.889