Virtual Walking for Neuropathic Pain in Spinal Cord Injury

Summary

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This treatment will be investigated in two-phase project: Phase 1: Determine the efficacy of VR treatments as a home-based approach and determine the effect of VR treatment on reversal of maladaptive cortical reorganization associated with SCI-NP, as has been shown in other populations with neuropat...

This treatment will be investigated in two-phase project: Phase 1: Determine the efficacy of VR treatments as a home-based approach and determine the effect of VR treatment on reversal of maladaptive cortical reorganization associated with SCI-NP, as has been shown in other populations with neuropathic pain secondary to deafferentation. Phase 2: Determine the effectiveness and immediate analgesic effect of VR treatment among persons with both tetraplegia and paraplegia. The primary outcome variable of this research is the severity of SCI-NP with a secondary outcome of level of pain interference with daily activities. In the phantom pain literature for persons with amputations, treatment paradigms based on visual stimulation, called mirror therapies, have proven helpful. These approaches involve the person viewing a mirror image of their intact limb to produce the visual illusion of a return of the missing limb, often with a marked reduction in pain following. Investigations have demonstrated that such approaches reduce pain in some individuals and that this change is associated with reversal of the functional reorganization in the somatosensory cortex. There has been one study of neuropathic pain in SCI that demonstrated good neuropathic pain relief with a mirror image of the upper half of the individual with SCI with the lower half of their body represented by a rear projection screen generated image of walking legs. We have collaborated with this author, and developed and pilot tested a virtual walking DVD that is presented via virtual reality goggles to enhance the first person sense of immersion. Results were sufficiently encouraging to cause us to seek funding for current, broader project

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