A Comparative Efficacy Study of Mirror Therapy and Dose-Matched Control Intervention in Patients with Chronic Stroke
Date Issued
2011
Date
2011
Author(s)
Yang, Hsiu-Wen
Abstract
Background:
The loss of upper extremity control and sensory deficits are common impairment after stroke. As a consequence of paresis, poor motor control and sensory dysfunction of affected upper extremity, “learned nonuse phenomenon” is often seen in stroke patients. Most of the traditional rehabilitations lack of evidences to exam the efficacy of motor recovery and sensory deficits on stroke patients. To date, an alternative intervention, mirror therapy (MT), which might have activation changes in the primary motor cortex with somatosensory input has been getting much attention in stroke rehabilitation recently. The study investigated the effects of MT on sensorimotor recovery, functional abilities and motor strategy compared with dose-match control intervention (CI).
Methods:
The design of this study was randomized pretest and posttest control trial. Participants were individually randomized to MT (n=12) or CI group (n=12).The clinical measures at pre-treatment and post-treatment were evaluated by a certified rater who was trained before performed the evaluation of clinical measures. The 24 participants were recruited, screened, enrolled and randomized from the rehabilitation department of participating hospitals in Taiwan. Both group received intensive training for 1.5 hours/day, 5 days/week, for 4 weeks. The clinical and kinematic measures were administered before and after the 4-weeks intervention immediately.
Results:
The MT group showed better improvement in sensorimotor recovery compared with CI. Additionally, MT group also showed the smoother and accuracy movement with less compensatory pattern during unilateral task rather than bilateral task. However, the patents in the CI group showed the better improvement on bimanual function and manual dexterity.
Conclusions:
The study provides the evidence that MT could lead to better sensorimotor recovery and motor control of affected upper extremity in chronic stroke patients rather than functional abilities.
Subjects
Mirror therapy, Stroke rehabilitation
Upper extremity
Sensorimotor
Motor control
Type
thesis
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