OJTR  Vol.3 No.2 , May 2015
Ankle-Foot Continuous Passive Motion Device for Mobilization of Acute Stroke Patients
ABSTRACT
Purpose: To develop a continuous passive motion (CPM) device for the passive motion of the paretic ankle-foot and investigate the effect of continuous passive motion of bedridden, hemiparetic acute stroke patients. Methods: 49 patients with stroke were investigated. Results in stroke patients (device group) were compared with those of 15 control subjects (manual group) also with stroke but not treated by device. The period of the treatment was 7 days; the duration was 30 minutes per day by CPM device in the device group. The efficacy of the device was evaluated by scales used in the clinical routine (6th item of National Institutes of Health Stroke Scale (NIHSS), Modified Ashworth Scale (MAS), modified Rankin Scale (mRS)). Ankle’s passive range of motion (PROM) and flexible equinovalgus deformitiy were measured every day with a goniometer. Results: 6th item of NIHSS score improved by -0.76 (SD = 0.56) points in the device group (p < 0.001) compared to the baseline values; the mean change in the manual group was -0.33 (SD = 0.62) points (p = 0.055). The mean of MAS decreased significantly by -0.53 (SD = 1.12) point in the device group (p < 0.001). The ankle’s mean plantar flexion PROM increased by 3.41 (SD = 5.19) degrees in the device group (p < 0.001). Significant improvement of the mean dorsiflexion in the PROM of the ankle was also detected (p = 0.019). The equinovalgus improved significantly by -5.12 (SD = 8.02) degrees (p < 0.001) in the device group. The scores of the mRS also improved significantly in the device group (p < 0.001). Conclusion: In the early phase of rehabilitation, ankle-foot continuous passive motion device treatment combined with manual therapy improved the ankle’s PROM better than manual therapy alone; in addition, device treatment decreased the foot’s equinovalgus, improved the 6th item NIHSS score, and decreased the severity of spasticity.

Cite this paper
Vér, C. , Hofgárt, G. , Menyhárt, L. , Kardos, L. and Csiba, L. (2015) Ankle-Foot Continuous Passive Motion Device for Mobilization of Acute Stroke Patients. Open Journal of Therapy and Rehabilitation, 3, 23-34. doi: 10.4236/ojtr.2015.32004.
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