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Computer-Assisted Comparison of Hip Socket Volume and Surface Shape After Pediatric Acetabular Osteotomies
Sponsor: Istanbul University
Summary
The goal of this observational study is to learn how four acetabular osteotomy techniques change the shape of the hip socket in children and adolescents with developmental dysplasia of the hip or residual acetabular dysplasia. The main questions it aims to answer are: How do virtual Salter, Dega, San Diego, and Pemberton osteotomies differ in acetabular volume and surface shape on participant-specific three-dimensional models? How closely does the virtual result of the osteotomy actually performed match the early postoperative magnetic resonance imaging (MRI)? Participants will have a three-dimensional pelvis-acetabulum model created from preoperative MRI. Researchers will perform virtual Salter, Dega, San Diego, and Pemberton osteotomies on that model and measure the resulting acetabular morphology. The virtual result of the osteotomy actually performed will then be compared with the participant's early postoperative MRI.
Official title: Computer-Assisted Comparative Analysis of Acetabular Volume and Surface Morphology in Pediatric Acetabular Osteotomies (Salter, Dega, San Diego, and Pemberton)
Key Details
Gender
All
Age Range
2 Years - 18 Years
Study Type
OBSERVATIONAL
Enrollment
12
Start Date
2026-05-10
Completion Date
2026-10-15
Last Updated
2026-06-26
Healthy Volunteers
No
Conditions
Interventions
Salter osteotomy
Redirectional innominate osteotomy performed to improve acetabular orientation and femoral head coverage in children and adolescents with developmental dysplasia of the hip or residual acetabular dysplasia. The acetabulum is reoriented as a single fragment to increase primarily anterolateral coverage. The procedure is performed as routine clinical care, with technique selection based on the treating surgeon's indication and preoperative deformity pattern.
Dega osteotomy
Incomplete transiliac acetabuloplasty performed to reshape the acetabular roof and improve femoral head coverage in children and adolescents with developmental dysplasia of the hip or residual acetabular dysplasia. The osteotomy preserves a hinge at the triradiate cartilage, allowing tailored correction of acetabular deficiency according to the morphology of the dysplastic socket. The procedure is performed as routine clinical care, with technique selection based on the treating surgeon's indication and preoperative deformity pattern.
San Diego osteotomy
Incomplete transiliac acetabuloplasty performed to improve acetabular coverage in children and adolescents with developmental dysplasia of the hip or residual acetabular dysplasia. The procedure preserves a triradiate cartilage hinge and allows directional correction according to the location of acetabular deficiency, including posterolateral or lateral deficiency when appropriate. The procedure is performed as routine clinical care, with technique selection based on the treating surgeon's indication and preoperative deformity pattern.
Pemberton osteotomy
Pericapsular acetabuloplasty performed to reshape and redirect the acetabulum in children and adolescents with developmental dysplasia of the hip or residual acetabular dysplasia. The osteotomy uses the triradiate cartilage as a hinge and increases femoral head coverage by altering acetabular shape and orientation. The procedure is performed as routine clinical care, with technique selection based on the treating surgeon's indication and preoperative deformity pattern.
Locations (1)
Istanbul University, Istanbul Faculty of Medicine, Department of Orthopedics and Traumatology
Istanbul, Turkey (Türkiye)