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Surg Endosc. 2015 May;29(5):1123-9. doi: 10.1007/s00464-014-3772-7. Epub 2014 Aug 30.

Magnetic sphincter augmentation and fundoplication for GERD in clinical practice: one-year results of a multicenter, prospective observational study.

Author information

1
Department of Surgery, Medical University Vienna, 1090, Vienna, Austria, martin.riegler@refluxmedical.com.

Abstract

BACKGROUND:

The techniques available for antireflux surgery have expanded with the introduction of the magnetic sphincter augmentation device (MSAD) for gastroesophageal reflux disease (GERD).

METHODS:

A prospective, multicenter registry evaluated MSAD and laparoscopic fundoplication (LF) in clinical practice (ClinicalTrials.gov identifier: NCT01624506). Data collection included baseline characteristics, reflux symptoms, proton-pump inhibitor (PPI) use, side effects, and complications. Post-surgical evaluations were collected at one year.

RESULTS:

At report, 249 patients (202 MSAD patients and 47 LF patients) had completed one-year follow-up. The LF group was older and had a greater frequency of large hiatal hernias and Barrett's esophagus than the MSAD group (P < 0.001). The median GERD-health related quality of life score improved from 20.0 to 3.0 after MSAD and 23.0 to 3.5 after LF. Moderate or severe regurgitation improved from 58.2 to 3.1% after MSAD and 60.0 to 13.0% after LF (P = 0.014). Discontinuation of PPIs was achieved by 81.8% of patients after MSAD and 63.0% after LF (P = 0.009). Excessive gas and abdominal bloating were reported by 10.0% of patients after MSAD and 31.9% following LF (P ≤ 0.001). Following MSAD, 91.3% of patients were able to vomit if needed, compared with 44.4% of those undergoing LF (P < 0.001). Reoperation rate was 4.0% following MSAD and 6.4% following LF.

CONCLUSION:

Antireflux surgery should be individualized to the characteristics of each patient, taking into consideration anatomy and propensity and tolerance of side effects. Both MSAD and LF showed significant improvements in reflux control, with similar safety and reoperation rates. In the treatment continuum of antireflux surgery, MSAD should be considered as a first-line surgical option in appropriately selected patients without Barrett's esophagus or a large hiatal hernia in order to avoid unnecessary dissection and preserve the patient's native gastric anatomy. MSAD is an important treatment option and will expand the surgeon's role in treating GERD.

PMID:
25171881
DOI:
10.1007/s00464-014-3772-7
[Indexed for MEDLINE]

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