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Leg Prosthesis With Somatosensory Feedback Reduces Phantom Limb Pain and Increases Functionality.
Caroline Dietrich1, Sandra Nehrdich1, Sandra Seifert1
1Department of Clinical Psychology, Friedrich Schiller University, Jena, Germany.
Frontiers in Neurology
|May 15, 2018
Summary
Phantom limb pain (PLP) can be reduced with new prosthetic technology. This study shows that prostheses providing somatosensory feedback significantly decrease PLP and improve mobility in amputees.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
- Biomedical Engineering
Background:
- Phantom limb pain (PLP) affects most lower limb amputees.
- Neural reorganization in the central nervous system (CNS) is a suspected cause of PLP.
Purpose of the Study:
- To investigate if prostheses with somatosensory feedback can reduce PLP.
- To assess if feedback-equipped prostheses enhance functional movement and user satisfaction.
Main Methods:
- 14 lower leg amputees were fitted with prostheses providing electrocutaneous feedback upon ground contact.
- A two-week training period with the feedback system was implemented.
Main Results:
- Significant reduction in PLP intensity was observed over the training period.
- Patients reported improved walking distance, stability, and posture control.
- Majority of participants preferred the feedback prosthesis over standard prostheses.
Conclusions:
- Prostheses with somatosensory feedback offer a promising approach to manage PLP.
- This technology enhances functional use and satisfaction in lower limb amputees.
- Findings align with previous studies on upper limb amputees using similar feedback systems.
Keywords:
functionalitylower leg amputationphantom limb painprosthesisprosthesis trainingsomatosensory feedbackMore Related Videos
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