Effects of mirror therapy in post-traumatic complex regional pain syndrome type-1: a randomized controlled study
DOI:
https://doi.org/10.2340/jrm.v56.40417Keywords:
mirror therapy, complex regional pain syndrome, CRPS, physical therapy, rehabilitationAbstract
Objective: To investigate the effects of mirror therapy applied in addition to routine rehabilitation on clinical outcomes in post-traumatic complex regional pain syndrome type 1.
Design: Single-blind randomized controlled trial.
Subjects: Patients with trauma-induced complex regional pain syndrome type 1 of the hand receiving outpatient rehabilitation.
Methods: Patients were randomized into mirror therapy and control groups. All patients received routine physical therapy and rehabilitation for 20 sessions (5 sessions/week, for 4 weeks). The mirror group received additional mirror therapy at each session. The primary outcome was pain intensity by numeric rating scale. Secondary outcomes were grip/pinch strength, hand/wrist circumference, dexterity, hand activities, and health-related quality of life. All assessments were performed before and immediately after the treatment, and 4 weeks later at follow-up.
Results: Forty patients were enrolled, 20 in each group. Both groups revealed statistically significant improvements from therapy regarding pain, grip/pinch strength, wrist circumference, dexterity, and hand activities (p < 0.05). When groups were compared regarding the improvements in assessment parameters, no statistically significant difference was found between the 2 groups in any of the outcomes (p > 0.05).
Conclusion: Mirror therapy applied in addition to routine therapy in post-traumatic complex regional pain syndrome type 1 did not provide extra benefit to the improvement of pain, function, and other clinical outcomes.
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