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Prosthetic usage following major lower extremity amputation.

T J Moore1, J Barron, F Hutchinson

  • 1Charlotte Rehabilitation Hospital, North Carolina.

Clinical Orthopaedics and Related Research
|January 1, 1989
PubMed
Summary
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Functional prosthetic ambulation after lower extremity amputation is achievable for many, particularly below-knee amputees. Coronary artery disease impacts mobility, especially for above-knee and bilateral amputees, necessitating targeted screening.

Area of Science:

  • Rehabilitation Medicine
  • Orthopedic Surgery
  • Biomedical Engineering

Background:

  • Major lower extremity amputation presents significant challenges to patient mobility.
  • Restoring ambulation through prosthetic use is a primary goal in post-amputation care.
  • Identifying factors influencing successful prosthetic ambulation is crucial for optimizing patient outcomes.

Purpose of the Study:

  • To evaluate the rate of functional prosthetic ambulation in patients following major lower extremity amputation.
  • To identify patient characteristics and comorbidities associated with successful prosthetic ambulation.
  • To inform the development of screening protocols for prosthetic fitting.

Main Methods:

  • Retrospective evaluation of 157 patients undergoing major lower extremity amputation.

Related Experiment Videos

  • Assessment of prosthetic candidacy and functional ambulation outcomes.
  • Analysis of amputation level and presence of coronary artery disease as influencing factors.

    • Main Results:

    • 88 out of 157 patients (56%) achieved functional prosthetic ambulation.
    • Functional ambulation rates varied by amputation level: 66% for below-knee, 46% for above-knee, and 19% for bilateral amputees.
    • Coronary artery disease negatively impacted ambulatory potential in above-knee and bilateral amputees, but not in below-knee amputees.

    Conclusions:

    • Functional prosthetic ambulation is feasible for a majority of lower extremity amputees, with below-knee amputees showing the highest success rates.
    • Comorbidities like coronary artery disease significantly influence prosthetic ambulation potential, particularly in higher-level amputations.
    • Implementing a screening method for elderly, dysvascular amputees prior to prosthetic fitting is recommended to improve patient selection and outcomes.