The objective of this study is to assess whether vertical sleeve gastrectomy (VSG) increases the incidence of gastroesophageal reflux disease (GERD), esophagitis and Barrett esophagus (BE) relative to patients undergoing Roux-en-Y gastric bypass (RYGB) in patients with and without preoperative GERD.

中文翻译：

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垂直袖状胃切除术和胃绕道术后胃食管反流病的结果。

本研究的目的是评估相对于接受 Roux-en-Y 胃绕道手术 (RYGB) 的患者，垂直袖状胃切除术 (VSG) 是否会增加胃食管反流病 (GERD)、食管炎和 Barrett 食管 (BE) 的发生率并且术前没有 GERD。