Magnetic sphincter augmentation for gastroesophageal reflux disease: review of clinical studies

Updates in Surgery
Emanuele AstiLuigi Bonavina

Abstract

Use of the magnetic sphincter augmentation (MSA) device for the laparoscopic treatment of gastroesophageal reflux disease is increasing since the first clinical implant performed a decade ago. The MSA procedure is a minimally invasive and highly standardized surgical option for patients who are partially responders to proton-pump inhibitors, which have troublesome regurgitation or develop progressive symptoms despite continuous medical therapy. The procedure has proven to be highly effective in improving typical reflux symptoms, reducing the use of proton-pump inhibitors, and decreasing esophageal acid exposure. Observational cohort studies have shown that MSA compares well with fundoplication in selected patients and has an acceptable safety profile. The device can be easily removed if necessary, thereby preserving the option of fundoplication in the future. The majority of the removals have occurred within 2 years after implant and have been managed non-emergently, with no complications or long-term consequences. "Expanded" indications to MSA (large hiatal hernia and Barrett's esophagus) need to be tested in further comparative studies with classic fundoplication procedures.

References

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Citations

May 14, 2020·Annals of the New York Academy of Sciences·Miles J KlimaraNikki Johnston
Aug 8, 2019·Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract·Shahin AyaziBlair A Jobe
May 19, 2021·Diseases of the Esophagus : Official Journal of the International Society for Diseases of the Esophagus·K H FuchsA Meining
Sep 1, 2021·Langenbeck's Archives of Surgery·Davide BonaAlberto Aiolfi
Oct 1, 2021·Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract·Milena NikolicSebastian F Schoppmann

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