Abstract
Background: The purpose of this study was to design, construct, and evaluate the effectiveness of a vibrating silicone liner on the phantom pain of traumatic below-knee amputees. Methods: Twelve unilateral below-knee amputees who had phantom pain and did not use another treatment participated in this study. The patients were asked to use vibrating silicone liners for three 10-minute sessions daily for 30 days. The severity of pain was evaluated by the short form of the McGill Pain Questionnaire before and after 30 days of using the vibrating silicone liner. Results: The mental aspect of pain intensity, pain intensity based on visual analog scale (VAS), momentary pain intensity, and overall pain intensity decreased significantly after 30 days of using the vibrating silicone liner (P<0.05). Also, there was a significant correlation between initial pain score and psychological aspect of pain (P=0.007). Conclusions: Using a vibrating silicone liner for three 10-minute sessions daily for a period of 30 days had a significant effect on the reduction of all the components of phantom pain in the patients who were included in this study. It seems that the vibrating silicone liner reduced phantom pain by creating heat, controlling gate of pain in the spinal cord, and psychological effects. Level of Evidence: Level II
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