What is the role of magnetic sphincter augmentation in the treatment of gastroesophageal reflux disease (GERD)?

Updated: Oct 16, 2020
  • Author: Marco G Patti, MD; Chief Editor: BS Anand, MD  more...
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In a systematic review, magnetic sphincter augmentation appeared to reinforce the lower esophageal sphincter to antireflux, effectively reducing the time percentage of esophageal acid exposure (pH < 4), improving the GERD health-related quality of life score, reducing the operative time (vs Nissen fundoplication), and achieving similar treatment success as that of fundoplication. [57] These findings suggest that magnetic sphincter augmentation may have potential as an alternative surgical option for patients with conservative GERD treatment failure. [57]

Schizas et al conducted a systematic review of 35 studies that evaluated the safety and efficacy of magnetic sphincter augmentation (MSA) using the LINX® Reflux Management System. A total of 2511 patients were included and analyzed; the majority of patients reported complete resolution of their GERD symptoms. All patients discontinued PPI therapy and experienced less bloating and a better ability to blech or vomit compared to laparoscopic fundoplication. Encouraging results were also noted in bariatric patients as well as patients with large hiatal hernias. [58]

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