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Related Experiment Videos

Volume changes occurring in postoperative below-knee residual limbs.

F L Golbranson1, R W Wirta, E J Kuncir

  • 1Veterans Administration Medical Center, San Diego, California 92161.

Journal of Rehabilitation Research and Development
|January 1, 1988
PubMed
Summary

Plastic laminate sockets offered the fastest residual limb stabilization post-amputation compared to elastic wraps or plaster casts. Elastic wraps were ineffective for stabilizing below-knee amputation sites.

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Area of Science:

  • Orthopedic surgery
  • Prosthetics and orthotics
  • Biomechanical engineering

Background:

  • Postoperative management of below-knee amputation residual limbs is crucial for prosthetic fitting.
  • Residual limb maturation involves volume and circumference changes over time.
  • Effective stabilization methods are needed to promote predictable limb remodeling.

Purpose of the Study:

  • To comparatively evaluate the maturation rates of below-knee amputation residual limbs.
  • To assess the efficacy of different stabilization methods on limb volume and circumference changes.
  • To determine the optimal method for promoting stable residual limb conditions.

Main Methods:

  • Observation of 36 healed, below-knee postoperative amputation residual limbs.

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  • Measurement of limb volumes and circumferences over time.
  • Application of three stabilization techniques: elastic wrap, plaster cast with pylon, and plastic laminate socket with pylon.

    • Main Results:

    • Plastic laminate sockets demonstrated the most rapid residual limb stabilization.
    • Elastic wraps showed no significant stabilizing effect.
    • Statistically significant changes in volume and circumference over time were observed (p < .05), though correlations between volume and circumference were poor.

    Conclusions:

    • Plastic laminate sockets are superior for stabilizing below-knee amputation residual limbs.
    • Elastic wraps are not recommended for residual limb stabilization.
    • While limb volume and circumference change significantly over time, the relationship between these two variables is inconsistent, highlighting the importance of effective stabilization methods.