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Related Experiment Videos

Total knee arthroplasty for post-traumatic arthrosis.

J H Lonner1, F X Pedlow, J M Siliski

  • 1Department of Orthopaedic Surgery, University of Pennsylvania School of Medicine, Philadelphia, USA.

The Journal of Arthroplasty
|December 30, 1999
PubMed
Summary

Total knee arthroplasty significantly improves motion and function in post-traumatic arthrosis patients. However, high complication rates necessitate careful surgical technique to minimize adverse outcomes.

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Area of Science:

  • Orthopedic Surgery
  • Biomechanics
  • Reconstructive Surgery

Background:

  • Post-traumatic arthrosis often leads to debilitating knee pain and dysfunction.
  • Total knee arthroplasty (TKA) is a potential treatment option for advanced post-traumatic knee arthritis.

Purpose of the Study:

  • To evaluate the outcomes of total knee arthroplasty (TKA) in patients with post-traumatic arthrosis.
  • To identify factors influencing success and complications in this patient population.

Main Methods:

  • Retrospective study of 31 knees undergoing TKA for post-traumatic arthrosis.
  • Analysis of pre- and post-operative range of motion, functional scores (Knee Society scores), and complication rates.
  • Average follow-up of 46 months.

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Main Results:

  • Significant improvements in mean arc of motion (94° to 100°) and functional scores (44 to 72 points).
  • Knee Society scores improved significantly (36 to 78 points).
  • High complication rate (57%), including aseptic failure (26%) and septic failure (10%).

Conclusions:

  • TKA can restore motion and function in post-traumatic arthrosis.
  • Patients are at high risk for complications; meticulous surgical technique is crucial.
  • Optimizing limb alignment, soft tissue balance, and component alignment can mitigate risks.