ArticleArchives of orthopaedic and trauma surgery2024
Characteristics of pelvic obliquity in dysplastic hip osteoarthritis.
Article in Archives of orthopaedic and trauma surgery, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Clinical cutoff value of lumbar bending range for predicting residual pelvic obliquity after total hip arthroplasty in dysplastic hip osteoarthritis.Archives of orthopaedic and trauma surgery · 2026Article
- The Diagnosis of and Preoperative Planning for Rapidly Progressive Osteoarthritis of the Hip: The Role of Sagittal Spinopelvic Geometry and Anterior Acetabular Wall Deficiency-A Prospective Observational Study.Diagnostics (Basel, Switzerland) · 2025Article
- Correlation Analysis of Clinical Outcomes for Patients With Coronal Pelvic Obliquity After Total Hip Arthroplasty in Direct Anterior Approach.Orthopaedic surgery · 2025Article
- Direction of pelvic obliquity after total hip arthroplasty for dysplastic hip osteoarthritis: a retrospective observational study.Archives of orthopaedic and trauma surgery · 2025Observational
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6 authors.
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Abstract
purposeFactors affecting direction of pelvic obliquity (PO) in dysplastic hip osteoarthritis (DHOA) remains unclear. This retrospective cohort study evaluates morphological characteristics, spinal alignment, and hip function in patients with unilateral DHOA.
methodsBetween 2018 and 2022, 104 patients with unilateral DHA were enrolled. Patients were categorized into flat PO (F-PO group; PO < 2°), affected side PO (A-PO group; PO downward by ≥ 2°), and unaffected side PO (U-PO group; PO upward by ≥ 2°). Demographics, radiographic hip and lower limb parameters, spinal parameters, and functional scores were compared between the groups.
resultsThere were 39, 44, and 21 patients in the F-PO, A-PO, and U-PO group, respectively. The subluxation percentage of Crowe classification showed a significant difference among the three groups. The femoral head lateralization distance was significantly greater in the U-PO group than in the F-PO and A-PO groups. Furthermore, the hip adduction angle was significantly lower in the A-PO group than in the F-PO and U-PO groups. The lumbar scoliosis angle was significantly different between the groups. In multivariate analysis, hip adduction angle was extracted as an independent factor associated with the A-PO. Age, subluxation percentage, and hip adduction angle were identified as independent factors associated with the U-PO. Harris hip score was significantly poorer in U-PO group than in F-PO group.
conclusionsHip adduction angle influenced A-PO, while age, subluxation percentage, and hip adduction angle influenced U-PO; lumbar scoliosis angle was associated with PO direction. U-PO patients had poorer functional scores, indicating the impact of hip contracture and subluxation on PO direction in DHOA.
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