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Related Experiment Videos

Cemented long-stem revision total knee arthroplasty.

Andrew L Whaley1, Robert T Trousdale, James A Rand

  • 1Department of Orthopedics, Mayo Clinic, Rochester, MN 55905, USA.

The Journal of Arthroplasty
|August 23, 2003
PubMed
Summary
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Revision total knee arthroplasty (TKA) using cemented stems showed durable fixation and improved patient outcomes. This study confirms cemented stem fixation provides good clinical results and long-term stability in revision TKA procedures.

Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Arthroplasty Research

Background:

  • Revision total knee arthroplasty (TKA) presents challenges in achieving durable fixation.
  • The stemmed kinematic stabilizer prosthesis has been utilized for complex revision TKA cases.

Purpose of the Study:

  • To evaluate the long-term clinical outcomes and component survival of cemented, posterior, stabilized, revision TKAs.
  • To assess the durability of cemented stem fixation in revision TKA.

Main Methods:

  • A retrospective review of 38 cemented, posterior, stabilized, revision TKAs performed between 1981 and 1989.
  • Analysis of clinical follow-up data, including Knee Society pain and function scores, and component survival rates.

Main Results:

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  • Mean follow-up was 10.1 years.
  • Significant improvements in Knee Society pain scores (17 to 51) and function scores (48 to 57) were observed.
  • Ten-year component survival free of revision was 96.7%, and 11-year survival free of aseptic loosening was 95.7%.

Conclusions:

  • Cemented stem fixation in revision TKA demonstrates good clinical results.
  • Durable fixation and component survival are achievable with cemented stems in revision TKA at an average of 10 years.