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Related Experiment Videos

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
PubMed
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.

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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.

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  • 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.