一、定义胃食管反流病(gastroesophageal reflux disease,GERD)是指胃内容物反流入食管引起不适症状和(或)并发症的一种疾病。二、GERD 类型及定义GERD 可分为下面3种类型:非糜烂性反流病(non-erosive reflux disease,NERD)、糜烂性食管炎(erosiveesophagitis,EE)和 Barrett 食管(Barrett’s esophagus,BE),也可称 GERD 相关疾病。Fass 等提出 GERD 3种类型相对 I. DEFINITIONS Gastroesophageal reflux disease (GERD) is a condition in which reflux of gastric contents into the esophagus causes symptoms and / or complications. Second, GERD type and definition GERD can be divided into the following three types: non-erosive reflux disease (NERD), erosive esophagitis (erosiveesophagitis, EE) and Barrett’s esophagus (Barrett’s esophagus, BE) Also known as GERD-related diseases. Fass and other proposed three types of GERD relative