Objective To investigate the effect of power-assisted EMG feedback electrical stimulation (PEFES) therapy on ankle dorsiflexion dysfunction in patients with cerebral infarction. Method 30 cerebral infarction patients with lower limb disorder admitted in Ruijin Hospital Lu Wan Branch from August 2012 to August 2014 were selected as research objects. All patients were randomly divided into observation group and control group, 15 cases in each group. The two groups received conventional rehabilitation nerve facilitation technique treatment. Besides, observation group received a new type of PEFES treatment, and control group received conventional low frequency electric stimulation therapy. The treatment time was 20 minutes per day, 5 times perweek and 10 times in total. Before and 10 times after treatment, the range of ankle dorsiflexion were measured, and the lower limb motor function was evaluated by Fugl-Meyer assessment (FMA). Result Before treatment, there was no significant difference between the two groups in the range of ankle dorsiflexion and FMA scores (P>0.05). 10 times after treatment, the range of ankle dorsiflexion and FMA scores of the two groups significantly increased (P<0.05), and the range of ankle dorsiflexion and FMA scores of observe group were significantly higher than those of control group (P<0.05). Conclusion PEFES can improve the dorsiflexion function of ankle joint and the motor function of lower limb in patients with cerebral infarction.%目的观察新型智能助力肌电反馈电刺激(power-assisted EMG feedback electrical stimulation,PEFES)治疗脑梗死后患者踝关节背屈功能障碍的疗效.方法选取2012年8月至2014年8月上海交通大学医学院附属瑞金医院卢湾分院收治的脑梗死伴下肢功能障碍患者30例,将其随机分为观察组和对照组,每组各15例,两组患者均接受神经促通技术等常规康复治疗,观察组患者在此基础上使用新型PEFES治疗仪,对照组患者使用常规低频电刺激疗法,两组患者的治疗时间均为每天20分钟,每周5次,共治疗10次.分别于治疗前和治疗10次后测量两组患者踝关节背屈活动度;采用Fugl-Meyer量表(Fugl-Meyer assessment,FMA)评估患者下肢运动功能.结果治疗前,两组患者的踝关节背屈活动度和下肢FMA评分均无显著差异(P>0.05).治疗后,两组患者的踝关节背屈活动度和下肢FMA评分均显著增加(P<0.05),且观察组患者的踝关节背屈活动度和下肢FMA评分均显著高于对照组(P<0.05).结论PEFES能明显提高脑梗死患者的踝关节背屈功能,改善其下肢运动功能.
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