ArticleSurgical and radiologic anatomy : SRA2015
Is coxa valga a predictor for the severity of knee osteoarthritis? A cross-sectional study.
Article in Surgical and radiologic anatomy : SRA, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04600024 (The Importance of Pelvic Morphometric Measurements in Piriformis Syndrome), which is not on this map. Cited by 9 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
The Importance of Pelvic Morphometric Measurements in Piriformis Syndrome: A Case-control Study
Who cites it
9 citing papers in PubMed.
- How Do the Morphological Abnormalities of Femoral Head and Neck, Femoral Shaft and Femoral Condyle Affect the Occurrence and Development of Medial Knee Osteoarthritis.Orthopaedic surgery · 2023Article
- Influence of femoral anteversion angle and neck-shaft angle on muscle forces and joint loading during walking.PloS one · 2023Article
- Multivariate analysis of the relationship between gluteal muscle contracture and coxa valga.BMC musculoskeletal disorders · 2021Article
- Femoral neck shaft angle in relation to the location of femoral stress fracture in young military recruits: femoral head versus femoral neck stress fracture.Skeletal radiology · 2021Article
- Prevalence and Risk Factors of Osteoporosis in Chinese Postmenopausal Women Awaiting Total Knee Arthroplasty.Clinical interventions in aging · 2021Article
- The neck-shaft angle: an update on reference values and associated factors.Acta orthopaedica · 2020Article
- [Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2019Article
- Dynamic Change of Lumbar Structure and Associated Factors: A Retrospective Study.Orthopaedic surgery · 2019Article
- Study of the interactions between proximal femur 3d bone shape, cartilage health, and biomechanics in patients with hip Osteoarthritis.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2018Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeIn the present study, we aimed to evaluate the affect of the variations in hip anatomy and pelvic geometry on the severity of knee OA.
methodsIdiopathic knee OA patients fulfilling the clinical criteria of American College of Rheumatology for OA were enrolled in the study. Several measurements regarding the hip and pelvis were performed on pelvic radiographs. Each knee was graded according to the Kellgren and Lawrence (KL) radiographic system (0-4) along with a categorization in accordance with the medial tibiofemoral joint space widths (JSW).
resultsThe study group consisted of 111 subjects. The inner and outer pelvic diameters were getting wider as the JSW grade increased. Likewise, among the hip measurements, femoral head, neck and shaft diameters and hip axis lengths were linked with KL grade. There were significant differences in neck-shaft angle (NSA) between groups of JSW with a highest NSA in JSW grade 3. The optimal cut-off value for NSA in predicting the severity of knee OA was 134.4°. Furthermore, NSA beyond 134.4° was found to increase the risk of severe knee OA eightfold.
conclusionsVariations in pelvic geometry and hip anatomy are associated with the severity of knee OA. People with NSA of above 134.4° have eightfold increased risk of developing severe knee OA. Pelvic radiographies could be evaluated at younger ages-particularly in people with high genetic predispositions-to identify the individuals at high risk and in turn, to tailor the preventive measures to these subjects.
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