Peer-reviewed veterinary case report
Early hip dysplasia detection in dogs using palpation and X-rays
By Gatineau, Matthieu et al.·Published in Veterinary surgery : VS·2012·Centre Vé, Canada·View original on PubMed →
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Original publication title: Palpation and dorsal acetabular rim radiographic projection for early detection of canine hip dysplasia: a prospective study.
- Species:
- dog
Plain-English summary
A group of 73 dogs was evaluated for hip dysplasia, which can lead to arthritis, by using two diagnostic methods: the Ortolani maneuver and a special X-ray technique. These tests were performed when the dogs were 6, 12, and 24 months old to see how well they could predict the development of arthritis in the hip joints. The results showed that the Ortolani maneuver was the most reliable method for predicting arthritis by the time the dogs reached 2 years old. Early detection and monitoring can help manage the condition and improve the dog's quality of life.
People also search for: dog hip dysplasia symptoms · Ortolani maneuver for dogs · early signs of dog arthritis
Abstract
OBJECTIVE: To determine the value of 2 diagnostic methods: (1) the reduction angle (RA) using the Ortolani maneuver and (2) the dorsal acetabular slope (DAS) from the dorsal acetabular rim (DAR) radiographic projection, to predict osteoarthritis (OA) in dogs with hip dysplasia. STUDY DESIGN: Prospective study. SAMPLE POPULATION: Dogs (n = 73). METHODS: Hip-extended ventrodorsal (VD) radiographic projections, RA, and DAS were evaluated when dogs were 6, 12, and 24 months of age. VD projections were qualitatively scored for OA. RA was determined using the Ortolani maneuver in dorsal recumbency and DAS using the DAR projection. Distraction index (DI) measurements from the compression-distraction radiographic projections (PennHIP method) were also performed at 6 months of age. Statistical analyses were used to establish the range of values of normal and abnormal RA and DAS, to document the temporal variation in RA and DAS, to compare the ability of the different methods to predict coxofemoral OA, to determine the influence of pure passive laxity and of the DAS on the occurrence of an Ortolani sign and on the magnitude of the RA, to establish the relationship between the DAS and subsequent development of passive laxity and coxofemoral OA, and to evaluate the influence of the DAS and RA on the occurrence of coxofemoral OA with severe, moderate, and minimal coxofemoral passive joint laxity, respectively. RESULTS: VD, RA, DAS, and DI methods of coxofemoral joint evaluation correlated significantly with the status of the coxofemoral joints at 2 years of age. The risk of occurrence of coxofemoral OA increased, as the RA, DAS, or DI increased. There was a significant positive linear relationship between RA and DI (P = .015, r(2) = 0.32), RA and DAS (P = .0078, r(2) = 0.38), and DAS and DI (P = .015, r(2) = 0.33). A negative Ortolani sign was at all times significantly predictive of absence of coxofemoral OA at 2 years of age. DAS best predicted coxofemoral OA for DI ≥ 0.7, whereas RA best predicted coxofemoral OA for 0.3 < DI < 0.7; however, RA proved to be the best overall predictor of coxofemoral OA. CONCLUSION: RA measured at 6 months of age in dorsal recumbency was the best predictor of coxofemoral OA at 2 years of age.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/22188178/