Abstract
Acupuncture is a traditional Chinese therapeutic method, recognized by western medicine as an important complementary therapy. However, the efficacy assessment of this traditional intervention has been mainly empirical rather than scientific. In this paper, we propose a surface electromyography (sEMG) based approach for quantitative assessment of acupuncture on Bell’s palsy. The assessment is made by comparing the muscle activities of healthy with diseased ones. A feature-vector of four individual sEMG features is introduced for more comprehensive representation of muscle activity. A clustering technique is then proposed to calculate quantitative differences between the muscle activities of the healthy and diseased sides. A regressive model is also proposed to predict the recovery trend of a patient based on the quantitative assessments during his/her clinical acupuncture history. As reported in the paper, a total of 20 selected Bell’s palsy patients have participated in the extensive experiments that were conducted to verify the performance of the proposed method.
摘要
针刺是一种传统的中医治疗手段, 已经在临床上得到广泛的应用. 但是, 针刺疗效目前缺乏客观精确的量化评估方法. 本文提出一种基于表面肌电信号的针刺治疗面瘫疗效量化评估方法, 主要包括以下几个部分: 首先, 采集患者健康侧与患侧的表面肌电信号, 并提取特征, 组建特征向量; 然后, 采用主元分析和 k均值方法, 对特征向量进行降维聚类, 以类别中心距离作为评估针刺疗效的指标; 最后, 利用类别中心距离构造自回归模型, 预测患者的康复趋势. 20 名面瘫患者参与到本实验中, 验证上述方法. 结果表明, 本文方法预测精度达到 92.8%以上.
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Han, J., Xiong, A., Zhao, X. et al. sEMG based quantitative assessment of acupuncture on Bell’s palsy: an experimental study. Sci. China Inf. Sci. 58, 1–15 (2015). https://doi.org/10.1007/s11432-015-5282-1
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DOI: https://doi.org/10.1007/s11432-015-5282-1