Original ArticleJoint space wider than 2 mm is essential for an eccentric rotational acetabular osteotomy for adult hip dysplasia
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Cited by (22)
Computed Tomography–Based Three-Dimensional Analyses Show Similarities in Anterosuperior Acetabular Coverage Between Acetabular Dysplasia and Borderline Dysplasia
2020, Arthroscopy - Journal of Arthroscopic and Related SurgeryCitation Excerpt :The hips were categorized based on LCEA as: control group (25° ≤ LCEA < 40°), borderline group (20° ≤ LCEA < 25°), and dysplasia group (LCEA < 20°). Indication for ERAO were (1) pain lasting more than 6 months with conservative treatment; (2) patients between the ages of 15 and 55 years who want to preserve joints; (3) prearthritis, early-stage, and advanced-stage arthritis with minimum joint space width of >2 mm.22 Indication for CVO were (1) patients younger than 55 years old who want to preserve joints; (2) the Japanese Investigation Committee classification type B, type C1, or C223; and (3) lateral head index, which is a radiographic parameter for assessing the area of the intact portion, >25% at maximum hip abduction position.24
Long-Term Outcomes of Eccentric Rotational Acetabular Osteotomy Combined With Femoral Osteotomy for Hip Dysplasia
2020, Journal of ArthroplastyCitation Excerpt :Several previous reports demonstrated that the clinical outcomes of PAO for advanced OA were poor [7,9]. Conversely, our previous report demonstrated that the long-term outcomes of ERAO were preferable if the preoperative joint space was wider than 2.0 mm [16,17]. The present study revealed that the survival rates for patients with preoperative MJS measurements of over 2.0 mm—using an HHS of <80 as the end point—were similar following ERAO, regardless of whether the procedure was performed with or without ITVO.
Early osteoarthritis: How to define, diagnose, and manage. A systematic review
2017, European Geriatric MedicineUncemented total hip arthroplasty in patients younger than 20 years
2016, Journal of Orthopaedic ScienceCitation Excerpt :On preoperative radiographs, joint space ranged from 0 to 4 mm. In fact, in particular in patients with DDH, with previous acetabular osteotomy, is essential a minimum joints space to obtain excellent clinical and radiographic results; excellent congruity is an important predictor for a stable and well-positioned implant [19]. All femoral components were well-positioned.
Preoperative prognosis score is a useful tool regarding eccentric rotational acetabular osteotomy in patients with acetabular dysplasia
2016, Journal of Orthopaedic ScienceCitation Excerpt :In the present study, the minimum joint space width and joint abduction ROM were abstracted as predictors of the prognosis. Affected joint conformity and joint space width have been reported as postoperative risk factors [18–21]. Regarding the joint space width, Yasunaga [20] and Hasegawa [21] defined a cutoff value of 2 mm.
Eccentric rotational acetabular osteotomy for acetabular dysplasia and osteoarthritis: Follow-up at a mean duration of twenty years
2014, Journal of Bone and Joint Surgery - American VolumeCitation Excerpt :Clinical and radiographic evaluations were made three months before surgery, six months after surgery, and annually thereafter. The radiographic parameters that were analyzed were the center-edge angle22, acetabular head index25, minimum joint space26, horizontal distance from the teardrop to the center of the femoral head (x coordinate), vertical distance from the teardrop to the center of the femoral head (y coordinate), medialization of the femoral head (x – x′), and distalization of the femoral head (y – y′) (Figs. 1-C, 2-A, and 2-B)26–28. The stage of osteoarthritis was also evaluated.