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Lower limb amputee survival.

C P Stewart1, A S Jain, S A Ogston

  • 1Dundee Limb Fitting Centre, Broughty Ferry, Scotland.

Prosthetics and Orthotics International
|April 1, 1992
PubMed
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Survival times for lower limb amputees have significantly improved over two decades. Below-knee amputees now show longer survival than above-knee amputees, particularly those with peripheral vascular disease.

Area of Science:

  • Orthopedics and Rehabilitation
  • Vascular Surgery
  • Epidemiology

Background:

  • Lower limb amputation is a major surgical procedure often necessitated by vascular disease or diabetes.
  • Understanding long-term survival trends is crucial for patient management and healthcare planning.
  • Previous studies have indicated varying survival rates based on amputation level and underlying cause.

Purpose of the Study:

  • To analyze survival times of primary lower limb amputees over a 25-year period.
  • To compare survival rates between below-knee and above-knee amputations.
  • To investigate the impact of peripheral vascular disease (PVD) and diabetes mellitus on survival.

Main Methods:

  • Retrospective analysis of 1710 consecutive primary lower limb amputees admitted between 1965 and 1989.

Related Experiment Videos

  • Calculation of median survival times based on amputation level, cause, and decade of admission.
  • Statistical comparison of survival data between different patient groups and time periods.

    • Main Results:

    • Overall median survival was 4 years 9 months for below-knee and 4 years 3 months for above-knee amputees.
    • Survival times significantly increased between the 1970s (3 years 6 months) and 1980s (6 years 6 months).
    • In the 1980s, below-knee amputees with PVD had significantly better survival (6 years 7 months) than above-knee amputees (3 years 10 months).

    Conclusions:

    • Lower limb amputee survival has markedly improved over the study period.
    • Below-knee amputation is associated with better long-term survival compared to above-knee amputation, especially in PVD patients.
    • Improved surgical techniques and perioperative care likely contribute to enhanced survival rates.