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January 1, 2015Open Journal of OrthopedicsOpen Access

Morphology of Acetabulum and Femoral Head-Neck Junction in Hip Dysplasia Which Underwent Rotational Acetabular Osteotomy

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Key result

Preoperative radiographs of DDH patients undergoing acetabular osteotomy reveal a ~79% prevalence of cam-type deformities.

  • n=23

Why the study?

What is the frequency of femoroacetabular impingement-related bone morphology in patients with developmental dysplasia of the hip undergoing rotational or curved peri-acetabular osteotomy?

Population

24 hips with developmental dysplasia of the hip who underwent curved peri-acetabular osteotomy or rotational…

Design

Cohort

Authors

RKRyo KantoHNHiroshi NakayamaSNShoji Nishio

Discussion

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Overview

May support comprehensive preoperative hip assessment in DDH; hypothesis-generating for combined deformity correction.

Study Design

Type

Observational (n=23)

Multicenter

No

Structured PICO

What is the frequency of femoroacetabular impingement-related bone morphology in patients with developmental dysplasia of the hip undergoing rotational or curved peri-acetabular osteotomy?

P
Population
23 patients (24 hips) with developmental dysplasia of the hip and mild or no osteoarthritis, followed for a minimum of 2 years after acetabular osteotomy.
I
Intervention
Preoperative radiographic evaluation of femoroacetabular impingement (FAI) related bone morphology
O
Outcome
Frequency of femoroacetabular impingement (FAI) related bone morphology in the acetabulum and femoral head-neck junction (sharp angle, center-edge angle, alpha angle, crossover sign and posterior wall sign)surrogate

Patients with developmental dysplasia of the hip undergoing acetabular osteotomy have a high preoperative prevalence of cam-type deformity and acetabular retroversion, highlighting the risk of secondary femoroacetabular impingement post-surgery.

Limitations

  • Small sample size and lack of a control group with normal hips
  • Intraobserver reliability was not reported
  • Did not evaluate pre- and postoperative physical examination
  • Lack of long-term follow-up for postoperative radiological results

Cite This Study

Kanto et al. (2015) conducted an observational in Developmental dysplasia of the hip (n=23). Rotational acetabular osteotomy or curved periacetabular osteotomy was evaluated on Frequency of cam-type deformity (alpha angle ≥ 50.5°) in preoperative radiographs. Preoperative radiographs of patients with developmental dysplasia of the hip undergoing acetabular osteotomy revealed a high prevalence of cam-type deformities (79.2%) and acetabular retroversion (29.2%).

synapsesocial.com/papers/6aa4b1f3de97ea77ee81152ahttps://doi.org/10.4236/ojo.2015.55017
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Proximal Femoral Morphology in Development Dysplasia of the Hip Based on Three-Dimensional (3D) Analysis2025
  2. 2Hip range‐of‐motion (ROM) is less than normal after rotational acetabular osteotomy for developmental dysplasia of the hip: A simulated ROM analysis2015 · 40 citations
  3. 3Radiological comparison of acetabular morphology following Dega and Pemberton osteotomies in the management of developmental dysplasia of the hip2026
  4. 4A 30-year follow-up study of rotational acetabular osteotomy for pre- and early-stage osteoarthritis secondary to dysplasia of the hip2024 · 1 citations
  5. 5Comparison of Postoperative Outcomes of Rotational Acetabular Osteotomy Using Autografts and Allografts2026