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采用肌电图检查法测定食管上括约肌区的肌肉在吞咽过程中的电生理变化。证实了环咽肌和咽下缩肌在吞咽活动中呈现典型的电生理规律性变化，是食管上括约肌区行使正常功能的基础。同时测定了喉上神经及下迷走神经运动支对该区肌肉的支配情形，以及吞咽困难病例的肌电图病理改变。提。示本检查可为临床上吞咽功能的判定、吞咽困难的诊断、鉴别诊断以及治疗方法的选择提供客观参考依据。
Electrophysiological changes in muscle during swallowing in upper sphincter area were measured by electromyography. Confirmed the cricopharyngeal and swallowing muscle in the swallowing activity showed a typical electrophysiological changes in the regular exercise of the upper esophageal sphincter area basis. At the same time, the dominant laryngeal nerve and the vagus nerve were measured under the control of muscle in this area, as well as dysphagia cases EMG pathological changes. mention. This test can provide an objective reference for the judgment of swallowing function, the diagnosis of dysphagia, the differential diagnosis and the choice of treatment methods.