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胃食管反流病(GERD)是指过多的胃、十二指肠内容物反流入食管引起烧心等症状,伴食管pH的改变,内镜检查可见食管黏膜糜烂等的一种表现。若仅有症状或食管pH改变,内镜检查阴性,则称为内镜阴性GERD或非糜烂性胃食管反流病(NERD)。目前认为短暂性食管下端括约肌 (LES)松弛是GER
Gastroesophageal reflux disease (GERD) refers to the excessive stomach, duodenal contents reflux into the esophagus caused by heartburn and other symptoms, with changes in esophageal pH, endoscopic examination of esophageal mucosal erosion can be seen as a manifestation. If only the symptoms or changes in esophageal pH, endoscopy negative, then called endoscopic negative GERD or non-erosive gastroesophageal reflux disease (NERD). It is currently considered transient esophageal lower sphincter (LES) relaxation is GER