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A controlled pilot study of the utility of mirror visual feedback in treatment of complex regional pain syndrome (type I)
MCCABE CS; HAIGH RC; RING EFJ
RHEUMATOLOGY , 2003, vol. 42, n° 1, p. 97-101 Doc n°: 110763 Localisation : Documentation IRR Descripteurs : DA6 - TRAITEMENTS - APPAREIL LOCOMOTEUR We assessed mirror visual feedback (MVF) to test the hypothesis that incongruence between motor output and sensory input produces complex regional pain syndrome (CRPS) (type 1) pain. METHODS: Eight subjects (disease duration > or =3 weeks to < or =3 yr) were studied over 6 weeks with assessments including two controls (no device and viewing a non-reflective surface) and the intervention (MVF). Pain severity and vasomotor changes were recorded. RESULTS: The control stages had no analgesic effect. MVF in early CRPS (< or =8 weeks) had an immediate analgesic effect and in intermediate disease (< or =1 yr) led to a reduction in stiffness. At 6 weeks, normalization of function and thermal differences had occurred (early and intermediate disease). No change was found in chronic CRPS. CONCLUSIONS: In early CRPS (type 1), visual input from a moving, unaffected limb re-establishes the pain-free relationship between sensory feedback and motor execution. Trophic changes and a less plastic neural pathway preclude this in chronic disease. Langue : ANGLAIS Tiré à part : OUI Identifiant basis : 2004228865 |
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