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Mobility after amputation for failed knee replacement.

D J Pring1, L Marks, J C Angel

  • 1Royal National Orthopaedic Hospital, Stanmore, Middlesex, England.

The Journal of Bone and Joint Surgery. British Volume
|November 1, 1988
PubMed
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Failed total knee replacement often leads to above-knee amputation. Most amputees struggle with mobility, with many relying on wheelchairs long-term, highlighting challenges in prosthetic limb fitting after failed knee surgery.

Area of Science:

  • Orthopedic surgery
  • Prosthetics and orthotics
  • Rehabilitation medicine

Background:

  • Failed total knee replacement presents significant management challenges.
  • Above-knee amputation is a potential complication of unsuccessful knee arthroplasty.
  • Prosthetic limb fitting is crucial for mobility following amputation.

Purpose of the Study:

  • To evaluate the long-term functional outcomes of patients undergoing above-knee amputation after failed total knee replacement.
  • To assess the efficacy of prosthetic limb fitting in this patient population.

Main Methods:

  • Retrospective review of 23 patients with above-knee amputation post-total knee replacement failure.
  • Analysis of prosthetic limb fitting and mobility outcomes at an average of 48.6 months post-amputation.

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Main Results:

  • Only 7 of 23 patients were regular daily walkers post-amputation.
  • 10 patients walked for over two years, but 20 used wheelchairs partially and 12 were wheelchair-bound.
  • Significant long-term mobility limitations were observed.

Conclusions:

  • Above-knee amputation following failed total knee replacement results in poor long-term mobility for most patients.
  • Challenges persist in achieving independent ambulation with prosthetic limb fitting in this cohort.
  • Further research is needed to improve outcomes for patients with complex knee arthroplasty failures.