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除胃食管返流和食管动力异常外,食管刺激的痛阈降低也被认为是非心源性胸痛的病理生理因素,而对食管气囊扩张的敏感性增高是其表现之一。已证明电或机械刺激人食管可诱发持续的大脑电位。作者通过测量大脑诱发电位来研究食管感觉信息向大胸皮层
In addition to gastroesophageal reflux and esophageal motility abnormalities, esophageal irritation pain threshold reduction is also considered as non-cardiac chest pain pathophysiological factors, and increased sensitivity to the expansion of the esophageal balloon is one of its performance. It has been demonstrated that electrical or mechanical stimulation of the human esophagus induces a sustained brain potential. The authors study esophageal sensory information to the large thoracic cortex by measuring brain evoked potentials