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Reconstruction of the deficient acetabulum using the bipolar socket
1Department of Orthopaedic Surgery, Brigham and Women's Hospital, Brookline, Massachusetts.
Clinical Orthopaedics and Related Research
|February 1, 1990
Summary
Bipolar hip reconstruction with grafting can be a successful definitive procedure for acetabular defects. Careful surgical technique and patient selection are key to achieving good pain relief and function.
Area of Science:
- Orthopedic Surgery
- Reconstructive Surgery
Background:
- The bipolar/grafting technique was initially a two-stage procedure for acetabular reconstruction.
- Selected patients may benefit from this technique as a standalone treatment.
Purpose of the Study:
- To evaluate the efficacy of the bipolar/grafting technique as a definitive procedure for acetabular reconstruction.
- To identify critical technical considerations and patient indications.
Main Methods:
- Retrospective analysis of 47 cases using bipolar/grafting for acetabular reconstruction.
- Assessment of outcomes based on pain relief, functional gain (Harris hip score), and radiographic stability.
Main Results:
- Acceptable pain relief and functional improvement were achieved (mean Harris hip score of 86).
- Initial socket migration was observed, but radiographic stability was attained after one year.
- One case of acetabular failure was linked to graft placement.
Conclusions:
- The bipolar/grafting technique can yield acceptable results as a definitive procedure in select patients.
- Proper acetabular bed preparation, graft placement, and outer shell sizing are crucial.
- This technique is indicated for contained acetabular defects, requiring adequate bone stock and surgical expertise.