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Related Experiment Videos

A case series featuring extremely short below-knee stumps.

Jose Andre Carvalho1, Mauricio Dias Mongon, William Dias Belangero

  • 1HC-Unicamp, Campinas, Brazil. ipo@ipobrasil.com.br

Prosthetics and Orthotics International
|December 16, 2011
PubMed
Summary

Extremely short below-knee amputations can result in functional gait and prosthesis adaptation. This surgical option should be considered for lower limb amputations, offering a good functional outcome.

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Area of Science:

  • Orthopedic Surgery
  • Prosthetics and Orthotics
  • Biomechanics

Background:

  • Lower limb amputations necessitate careful evaluation to preserve knee joint function for physiological gait and reduced energy expenditure.
  • Traditional below-knee amputations are performed below the tibial tuberosity, creating short but functional stumps.
  • This study investigates the functional gait outcomes of extremely short below-knee stumps compared to more proximal amputations.

Observation:

  • Four patients underwent extremely short below-knee amputations, including fibular head resection and ligament reinsertion.
  • Prosthetic fitting involved vacuum-assisted suspension sockets.
  • Patients were evaluated for prosthesis adaptation and gait patterns.

Findings:

  • Patients with extremely short below-knee stumps demonstrated good prosthesis adaptation.

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  • Satisfactory gait patterns were achieved post-surgery.
  • The short lever arm did not impede functional outcomes.

    • Implications:

    • Extremely short below-knee amputation is a viable surgical option for lower limb amputations.
    • This technique can lead to good functional prosthetic outcomes.
    • Further research is needed to confirm these findings in diverse patient populations.