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Longitudinal improvements in comfort, mobility, and quality of life with adjustable-volume prosthetic sockets.

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A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study
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Patient reported outcomes improve following lower limb prosthesis and socket and replacement.

Todd J Castleberry1, Patsy M Diaz Delgado2, Bretta L Fylstra2

  • 1Hanger Institute for Clinical Research and Education, 10910 Domain Dr., Ste. 300, Austin, TX, 78758, USA. tcastleberry@hanger.com.

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Summary

Prosthetic socket and prosthesis replacements significantly improve mobility and well-being for lower limb amputees. These replacements enhance quality of life, satisfaction, and daily use, underscoring their clinical importance.

Keywords:
OutcomesProsthesis replacementSocket replacement

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Area of Science:

  • Prosthetic engineering
  • Rehabilitation medicine
  • Clinical outcomes research

Background:

  • Prosthetic sockets are crucial for residual limb stability and prosthesis attachment, enabling natural ambulation.
  • Improved mobility from prostheses correlates with enhanced quality of life and patient satisfaction.
  • While initial prosthesis provision is linked to better outcomes, the impact of socket or prosthesis replacement is less understood.

Purpose of the Study:

  • To evaluate the changes in patient outcomes following prosthetic socket and prosthesis replacements.
  • To assess the impact of replacements on quality of life, satisfaction, and mobility in lower limb amputees.

Main Methods:

  • Analysis of a national database from a prosthetic care provider.
  • Inclusion of adult patients with unilateral lower limb amputation receiving socket or prosthesis replacement.
  • Data collection via validated questionnaires (Prosthesis Evaluation Questionnaire-Well Being, Prosthesis Limb Users Survey of Mobility) and statistical analysis (Student's t-tests, estimated marginal means).

Main Results:

  • Significant improvements in quality of life, satisfaction, and mobility observed across all replacement groups (p < 0.01).
  • Increased hours worn post-replacement for sockets (p < 0.01), but not for prostheses.
  • Vascular disease, diabetes, and older age were associated with reduced mobility outcomes.

Conclusions:

  • Prosthetic socket and prosthesis replacements lead to significant improvements in mobility and well-being for lower limb amputees.
  • These findings support the clinical importance of replacements for enhancing patient outcomes and optimizing prosthetic care.
  • Evidence supports prioritizing prosthetic replacements to improve long-term health and quality of life for amputees.