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Relationship between hip dysplasia, pain, and osteoarthritis in a cohort of patients with hip symptoms

Abstract : OBJECTIVE: The relationship between acetabular dysplasia (HD) and hip osteoarthritis (OA) remains unclear, especially for mild forms of dysplasia. Our objectives were to estimate the prevalence of HD in a population-based sample with symptoms and to evaluate potential associations linking HD, hip OA, and hip pain. METHODS: Individuals 40 to 75 years of age with symptoms in 1 or both hips were recruited during a multiregional prevalence survey. All study participants underwent examination and radiographs. Radiographs were evaluated using Kellgren-Lawrence staging (with stages ≥ 2 indicating hip OA) and HD measures [center-edge (CE) angle, acetabular inclination angle (HTE), acetabular depth (AD), and vertical center-anterior margin angle]. RESULTS: We studied both hips of 842 individuals (1684 hips), among whom 203 had hip OA. Compared to left hips, right hips had significantly smaller CE angles and significantly greater AD and HTE values (p ≤ 0.001). Overall, the prevalence of HD ranged from 7.6% to 22.2% of the hips depending on the measure used. The prevalence of HD was higher in individuals with hip OA, with significant differences for abnormal HTE (19.1% vs 11.4%; p < 0.0001) and abnormal CE (11.3% vs 7.5%; p = 0.04). By logistic regression, only abnormal HTE remained associated with OA. Same-side hip pain was not statistically more common in individuals with HD after stratification on OA status (p = 0.12). CONCLUSION: Our study confirms the relationship between OA and HD, particularly as defined based on the HTE angle.
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Contributor : Ghislaine Calvez Connect in order to contact the contributor
Submitted on : Thursday, January 23, 2014 - 2:32:23 PM
Last modification on : Monday, February 7, 2022 - 2:49:20 PM



Johanne Morvan, Ronan Bouttier, Bernard Mazieres, Evelyne Verrouil, Jacques Pouchot, et al.. Relationship between hip dysplasia, pain, and osteoarthritis in a cohort of patients with hip symptoms. Journal of Rheumatology, 2013, 40 (9), pp.1583-1589. ⟨10.3899/jrheum.121544⟩. ⟨hal-00935385⟩



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