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目的研究运动神经元病(MND)胸锁乳突肌(SCM)的肌电图特征。方法回顾性分析我院收治的461例MND患者的临床资料,同时整理349例非MND患者的临床资料,对两组患者均进行SCM肌电图检测,对比分析其特征的差异性。结果 MND组患者的SCM肌电图异常情况较多,其异常率道道了60.3%,明显高于对照组患者,患者的异常情况与患者的诊断情况呈现正比关系,确诊患者的异常率明显高于初诊患者,患者的异常情况以自发电位和轻收缩时的运动单位电位异常为主;而患者的延髓症状的SCM肌电图的特异性较高。结论 MND患者的SCM肌电图异常率机器特异性较高,患者的差异情况手延髓肌受累的影响,通过这种方法可以有效的对患者的病症进行确诊诊断。
Objective To investigate the EMG characteristics of sternocleidomastoid muscle (MND) in motor neuron disease (MND). Methods The clinical data of 461 MND patients admitted to our hospital were analyzed retrospectively. The clinical data of 349 non-MND patients were also collected. The SCM EMG test was performed on both groups, and the differences of their characteristics were analyzed. Results There were more abnormal SCM EMGs in MND group, the abnormal rate was 60.3% in MND group, which was significantly higher than that in control group. There was a positive correlation between abnormality and diagnosis in MND group. The abnormal rate of diagnosed patients was significantly higher than The first visit of patients, patients with abnormal spontaneous potential and light contraction of the motor unit potential anomalies; and patients with medullary symptoms of SCM EMG higher specificity. Conclusion The abnormality rate of SCM electromyography in MND patients is higher than that in patients with MND, and the difference of patients is influenced by the involvement of MPB. By this method, the diagnosis of the patient’s condition can be effectively diagnosed.