BACKGROUND: Esophageal capsule endoscopy (ECE) is a noel technique that offers noninasie ealuation of esophageal pathology in gastroesophageal reflux disease (GERD) patients.

• 背景：食管胶囊内镜（ECE）是治疗胃食管返流性疾病患者非侵袭性新技术。