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The Total Condylar III prosthesis in complex knee reconstruction.

W M Hohl1, E Crawfurd, S B Zelicof

  • 1Brigham and Women's Hospital, Boston, Massachusetts.

Clinical Orthopaedics and Related Research
|December 1, 1991
PubMed
Summary

The Total Condylar III (TC III) prosthesis demonstrated good to excellent outcomes in 71% of patients undergoing complex knee reconstruction. This durable implant offers a satisfactory solution for severe knee deformities and bone loss.

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Area of Science:

  • Orthopedic surgery
  • Biomedical engineering
  • Arthroplasty research

Background:

  • Complex knee reconstruction presents significant challenges.
  • The Total Condylar III (TC III) prosthesis was developed for severe cases.
  • Limited data existed on the long-term performance of the TC III prosthesis.

Purpose of the Study:

  • To evaluate the clinical and radiographic outcomes of the Total Condylar III (TC III) prosthesis.
  • To assess the effectiveness of the TC III prosthesis in complex knee reconstructive problems.
  • To determine the failure rate and radiolucency incidence of the TC III prosthesis.

Main Methods:

  • Retrospective review of 61 TC III prostheses implanted between 1977 and 1987.
  • Analysis of clinical and radiographic data with an average follow-up of 6.1 years.

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  • Evaluation of patient outcomes using the knee score, assessing primary diagnoses including osteoarthrosis and rheumatoid arthritis.

    • Main Results:

    • Knee scores improved significantly from 21.9 preoperatively to 73.7 postoperatively.
    • 71% of patients achieved good or excellent results based on the knee score.
    • A low failure rate of 8.6% (3 of 35 cases) was observed, with 71% of patients showing some radiolucent lines, mostly insignificant.

    Conclusions:

    • The TC III prosthesis is a satisfactory and durable option for complex knee reconstruction.
    • It effectively addresses severe deformity, ligamentous instability, and bone loss.
    • Despite the presence of radiolucencies, the TC III prosthesis provides reliable long-term outcomes.