Leg Prosthesis With Somatosensory Feedback Reduces Phantom Limb Pain and Increases Functionality

Frontiers in Neurology
Caroline DietrichThomas Weiss

Abstract

Phantom limb pain (PLP) develops in most patients with lower limb amputation. Changes in the peripheral and central nervous system (CNS) are hypothesized to contribute to PLP. Based on ideas to modify neural reorganization within the CNS, the aim of the study was to test, whether prostheses with somatosensory feedback might help to reduce PLP, and increase the functionality of movement with a prosthesis. We therefore equipped the prostheses of 14 lower leg amputees with a simple to use feedback system that provides electrocutaneous feedback to patients' thigh whenever the foot and toes of the prosthesis touch the ground. Two weeks of training with such a feedback prosthesis reduced PLP, increased the functional use of the prosthesis, and increased patients' satisfaction with prosthesis use. We found a significant overall reduction of PLP during the course of the training period. Most patients reported lower PLP intensities at the end of the day while before training they have usually experienced maximal PLP intensities. Furthermore, patients also reported larger walking distances and more stable walking and better posture control while walking on and across a bumpy or soft ground. After training, the majority of participants (9...Continue Reading

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Aug 3, 2019·Disability and Rehabilitation. Assistive Technology·Pol Monné CuevasJordi Calvo Sanz
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Oct 8, 2021·Frontiers in Psychology·Charles Scelles, Luis Carlo Bulnes

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Methods Mentioned

BETA
amputations
amputation

Software Mentioned

SPSS Statistics

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