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Expanded Indication for Magnetic Sphincter Augmentation: Outcomes in Weakly Acidic Reflux Compared to Standard GERD
Milena Nikolic1, Aleksa Matic1, Joy Feka1
1Department of Surgery, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria.
Summary
Magnetic sphincter augmentation (MSA) effectively treats weakly acidic reflux, significantly improving GERD symptoms and quality of life. This surgical anti-reflux technique demonstrates low postoperative morbidity in patients.
Area of Science:
- Gastroenterology
- Surgical Innovation
- Reflux Management
Background:
- Magnetic sphincter augmentation (MSA) is an advanced surgical anti-reflux technique.
- It has demonstrated efficacy and low morbidity in patients with acidic reflux.
Purpose of the Study:
- To evaluate the symptomatic outcomes of MSA in patients experiencing weakly acidic reflux.
- To compare these outcomes with patients who have preoperative acidic reflux.
Main Methods:
- Retrospective review of 67 patients with weakly acidic reflux identified via 24-h impedance-pH-metry.
- Assessment of postoperative gastrointestinal symptoms, PPI use, GERD-HRQL, and patient satisfaction.
- Comparison with a control group of patients with preoperative acidic reflux.
Main Results:
- At 24-month follow-up, no patients required reoperation or endoscopic dilatation.
- Significant reduction in GERD-HRQL scores (2 vs. 20; p<0.001) and high alimentary satisfaction (median 9/10).
- Improvement in heartburn (95%), regurgitation (95%), and respiratory symptoms (96%); similar outcomes to acidic reflux group.
Conclusions:
- Magnetic sphincter augmentation is highly effective for managing weakly acidic reflux.
- The procedure leads to significant improvements in GERD-related symptoms and quality of life.
- MSA offers a safe anti-reflux solution with minimal postoperative complications.
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