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Results for a custom acetabular component for acetabular deficiency
Atul B Joshi1, Jonathan Lee, Cecil Christensen
1Park Plaza Hospital, Houston, Texas, USA.
The Journal of Arthroplasty
|August 9, 2002
Summary
This study evaluated a custom titanium implant for complex hip revision surgery. While improving hip scores, the procedure has a high complication rate, suggesting limited use until long-term outcomes are clearer.
Area of Science:
- Orthopedic Surgery
- Biomaterials Engineering
Background:
- Revision total hip arthroplasty presents challenges, especially with severe acetabular deficiency.
- Custom implants offer potential solutions for complex reconstructive cases.
Purpose of the Study:
- To evaluate the clinical and radiographic outcomes of a triflanged titanium cementless custom-made acetabular implant.
- To assess the efficacy and complication rates of this implant in managing major acetabular deficiency during revision hip arthroplasty.
Main Methods:
- Retrospective case series of 27 patients undergoing revision total hip arthroplasty.
- Utilized a triflanged titanium cementless custom-made acetabular implant.
- Clinical outcomes assessed using Charnley's modification of the Merle d'Aubigne and Postel scoring system.
- Radiographic assessment performed using the DeLee and Charnley grading system.
Main Results:
- All patients demonstrated improved hip function scores post-operatively.
- A complication rate of 22% was observed, with 7.4% requiring further revision surgery.
- Mean follow-up was 58 months.
Conclusions:
- The custom triflanged titanium acetabular implant can improve hip function in complex revision cases.
- The procedure is technically demanding with a significant complication rate.
- Consideration for this implant should be reserved for select patients with limited surgical alternatives, pending further long-term data.