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The management of acetabular malunion with traumatic arthritis by total hip arthroplasty
Qing-Jiang Pang1, Xiao Yu2, Xian-Jun Chen3
1Qing-jiang Pang, Department of Orthopaedics Centre, Ningbo No.2 Hospital, Ningbo, 315010. China.
Objective:
To explore the treatment strategies and clinical effect of the acetabular malunion with traumatic arthritis by total hip arthroplasty.
Methodology:
A retrospective analysis was conducted on 47 cases of acetabular malunion with traumatic arthritis from June 2000 to December 2009. All the patients underwent total hip arthroplasty with bone grafting or titanium cage for bone defect of the acetabulum. Harris hip scoring system was used for evaluating the functional recovery of the hip joint.
Results:
Thirty three cases had an average of 47 months follow-up. No prosthesis was loosened and the function of hip joint was improved obviously with the Harris hip scores improving from 43.5 to 87.6. However, there were one case of sciatic nerve injury and four cases of heterotopic ossification postoperatively.
Conclusion:
Total hip arthroplasty might be an effective treatment of acetabular malunion with traumatic arthritis. Proper evaluation and reasonable reconstruction of acetabular defect as well as reasonable selection of prosthesis are essential to obtain an excellent outcome.
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