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Title:: Research progress of muscle electrical impedance technology in neuromuscular diseases

Author(s):: GUO Jiecheng; WANG Xiang; LI Le; (Institute of Medical Research，Northwestern Polytechnical University，Xi＇an 710072，China)

Keywords:: Neuromuscular diseases; Electrical impedance myography; Clinical assessment; Diagnosis; Rehabilitation

摘要:: 神经肌肉疾病涉及周围神经和肌肉的损伤或功能障碍，严重影响受影响个体的生活质量。在大多数情况下，常用的功能影像临床评估工具如磁共振成像（magnetic resonance imaging，MRI）、计算机断层扫描（computed tomography，CT）、双能X线吸收仪（dualenergy X-ray absorptiometry，DXA）和超声成像（ultrasonography），可以诊断疾病、评估治疗效果。肌肉电阻抗（electrical impedance myography，EIM）相对于其他评估技术具有简便性、定量性、灵活性、可重复性、对退化肌肉敏感等优势，被广泛应用于临床评估中。本综述将针对EIM应用于神经肌肉疾病的研究进行简单总结。

Abstract:: Neuromuscular diseases involve damage or dysfunction of peripheral nerves and muscles that severely affect the quality of life of affected individuals. In most cases, functional imaging clinical evaluation tools such as magnetic resonance imaging (MRI) , computed tomography (CT), dualenergy X-ray absorptiometry (DXA) and ultrasonoply are used to diagnose disease and evaluate treatment effectiveness. Compared with other assessment techniques, electrical impedance myography (EIM) has the advantages of simplicity, quantification, application flexibility, repeatability, sensitivity to muscle degradation, etc., so it is increasingly used in clinical evaluation. This review will briefly summarize the application of EIM to neuromuscular diseases.