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[Reconstruction of the acetabular in the Crowe III dysplastic hip]
Jing Tang1, Hong-yi Shao, Qi-heng Tang
1Department of Adult Reconstructive Surgery, Beijing Jishuitan Hospital, Beijing 100035, China.
Insights
Acetabular reconstruction using acetabular deepening, medial-wall osteotomy, or femoral head bone grafting are effective methods for treating Crowe III dysplastic hip osteoarthritis. These surgical techniques improve hip function and patient outcomes.
Area of Science:
- Orthopedic Surgery
- Hip Reconstruction
- Biomechanical Engineering
Context:
- Crowe III dysplastic hip presents significant challenges for total hip arthroplasty.
- Osteoarthritis secondary to hip dysplasia requires specialized acetabular reconstruction techniques.
Purpose:
- To evaluate the efficacy of three acetabular reconstruction methods: acetabular deepening, medial-wall osteotomy, and femoral head bone grafting.
- To assess the radiographic and clinical outcomes of these reconstruction techniques in patients with Crowe III dysplastic hip.
Summary:
- This study analyzed 54 hips in 43 patients with Crowe III dysplastic hip undergoing total hip arthroplasty between 2001 and 2007.
- Acetabular deepening, medial-wall osteotomy, and femoral head bone grafting were employed for acetabular reconstruction.
- Postoperative follow-up included radiographic measurements and Harris scores, demonstrating improved hip function and anatomical restoration.
Impact:
- The findings support the use of acetabular deepening, medial-wall osteotomy, and femoral head bone grafting as viable options for acetabular reconstruction in Crowe III dysplastic hips.
- This research contributes to optimizing surgical strategies for complex hip dysplasia, potentially improving long-term joint health and patient quality of life.
Objective:
To investigate the method and the outcome of the acetabular reconstruction in the Crowe III dysplastic hip.
Methods:
From January 2001 to June 2007, 43 cases (54 hips) were diagnosed osteoarthritis secondary to Crowe III dysplastic hip. Total hip arthroplasty was performed in all cases. The Harris score was 39 pre-operation. The method of the acetabular reconstruction included acetabular deepening (group A), medial-wall osteotomy (group B), femoral head bone grafting (group C). Radiography data and Harris score were taken to evaluate the clinical outcome.
Results:
The method of the acetabular reconstruction included acetabular deepening in 27 cases (34 hips), medial-wall osteotomy in 12 cases (15 hips), femoral head bone grafting in 4 cases (5 hips). Forty cases were followed up by the mean time of 29 months. The bone union time of the osteotomy and bone grafting were 4 - 5 months postoperation. In the three groups the obliquity angle of the cup were (41.0 +/- 7.5) degrees , (46.0 +/- 7.7) degrees , (39.0 +/- 11.0) degrees ; the anteversion angle of the cup were (10.0 +/- 2.8) degrees , (9.0 +/- 2.5) degrees , (4.0 +/- 1.9) degrees ; the rotation center of the hip was shift superiorly (8.4 +/- 3.6) mm, (7.3 +/- 2.6) mm, (1.2 +/- 0.5) mm; the rotation center of the hip were shift internally (7.0 +/- 1.5) mm, (9.9 +/- 1.7) mm, (-2.7 +/- 1.2) mm, and the Harris score were 89, 91, 86 at the follow up. The complication included deep venous thrombosis in 2 cases, pulmonary embolism in 2 cases, sciatic nerve palsy in 4 cases.
Conclusion:
Acetabular deepening, medial-wall osteotomy, femoral head bone grafting can be used in reconstruction of the acetabular in the Crowe III dysplastic hip.