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Improved functional outcome with no decrease in hip strength 2 years following Ganz periacetabular osteotomies for
Daniel J Sucato1, Kirsten Tulchin-Francis, Adriana de La Rocha
1aDepartment of Orthopaedic Surgery, Texas Scottish Rite Hospital for Children, Dallas, Texas bDepartment of Orthopaedic Surgery, Shriners Hospital for Children, Sacramento, California, USA.
Journal of Pediatric Orthopedics. Part B
|January 27, 2015
Summary
Periacetabular osteotomy (PAO) effectively corrects adolescent hip dysplasia, improving radiographic measures and maintaining hip strength. Functional outcomes show sustained strength and improved scores after surgery.
Area of Science:
- Orthopedic Surgery
- Pediatric Orthopedics
- Hip Preservation Surgery
Background:
- Adolescent hip dysplasia often leads to pain and functional limitations.
- Periacetabular osteotomy (PAO) is a surgical procedure to correct hip dysplasia.
- Long-term outcomes of PAO in adolescents require further analysis.
Purpose of the Study:
- To evaluate the radiographic and functional outcomes of periacetabular osteotomy (PAO) in adolescents with hip dysplasia.
- To assess changes in hip strength, gait, and patient-reported scores following PAO.
- To determine the effectiveness of PAO in this specific patient population with a minimum two-year follow-up.
Main Methods:
- Retrospective analysis of 32 adolescent hips treated with PAO.
- Preoperative and 1-year and 2-year postoperative radiographic assessments.
- Evaluation of gait speed, hip strength (flexion pull-off power, abductor moment impulse), and Harris Hip Score.
Main Results:
- Significant improvement in all radiographic parameters of hip dysplasia post-PAO.
- Hip strength was maintained in 85% (abduction) and 95% (flexion) of patients.
- Harris Hip Score improved significantly from 67.1 preoperatively to 81.3 at 2 years postoperatively.
Conclusions:
- Ganz periacetabular osteotomy (PAO) is an effective treatment for adolescent hip dysplasia.
- PAO leads to significant radiographic correction and functional improvement.
- The procedure demonstrates sustained hip strength and positive patient-reported outcomes in adolescents.

