Safety of magnetic sphincter augmentation in patients with prior bariatric and anti-reflux surgery
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and Other Interventional Techniques
2020 SAGES ORAL
Safety of magnetic sphincter augmentation in patients with prior bariatric and anti‑reflux surgery Steven G. Leeds1,2,3 · Andrew Ngov2,4 · Gerald O. Ogola4 · Marc A. Ward1,2,3 Received: 15 March 2020 / Accepted: 16 September 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Background Magnetic sphincter augmentation (MSA) has been recognized as an effective treatment option for patients with gastroesophageal reflux disease. The feasibility of MSA in patients with prior gastric surgery has not been well established. This study aims to evaluate the safety and efficacy of MSA in patients with prior gastric surgery including bariatric and other anti-reflux operations. Methods A prospectively gathered registry approved by the institutional review board for patients undergoing anti-reflux surgery was retrospectively reviewed. All patients who underwent MSA were included. The patients were divided into two groups based on the presence of prior gastric surgeries compared to those without. Endpoints collected include differences between the two groups in their preoperative evaluation, perioperative course, and postoperative effectiveness. Results A total of 103 patients underwent MSA where 82 patients (80%) had no prior gastric surgery and 21 patients (20%) had prior gastric surgery. The prior gastric surgery group included 10 patients with prior anti-reflux surgery, 11 patients with prior bariatric surgery. Perioperative factors were higher in the prior gastric surgery group including operating room time (135 min vs. 93 min, p =
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