Constraint-induced therapy as an approach to the improvement of upper limb in stroke patients
DOI:
https://doi.org/10.5935/0104-7795.20050001Keywords:
Stroke, Rehabilitation, CI-Therapy, Functional Evaluation, Disabilities, NeuroplasticityAbstract
Constraint induced therapy (CI-therapy) consists in the restriction of movements by the preserved upper limb of stroke patients as a means of stimulation of the use of the weakened limb. Experiments performed in selected samples have shown some promising results. This study aimed at verifying the effect of such approach in a sample of stroke patients under rehabilitation. Patients were selected once their cerebral vascular injury had happened at least 6 months previously, and they could perform a 10 degree extension of the wrist and finger voluntarily. Beyond the restriction, 6 daily hours of therapy were performed and there was orientation to keep up with the therapeutic activities at home in the weekends. Evaluating instruments were: Functional Independence Measure (FIMTM), Wolf motor function test (WMFT), stroke impairment scale (SIAS) and hand grip dynamometry. A statistically significant improvement could be observed in FIM (108,5 ± 6,4 versus 113 ± 7,3, p = 0,02) and WMFT (10,5 ± 6,4s versus 6,5 ± 3,7s, p = 0,006), but not in SIAS (56,7 ± 4,4 versus 59,4 ± 8,4, p = 0,16) or grip dynamometry (16,2 ± 4,5 kgf versus 16,3 ± 5,4 kgf, p = 0,98). We concluded that the use of CI-therapy in stroke patients may acutely produce functional improvement, indicating an alternative pathway in the approach to their disabilities.
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