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Int J Surg. 2018 Apr;52:82-88. doi: 10.1016/j.ijsu.2018.02.041. Epub 2018 Feb 20.

Early results of magnetic sphincter augmentation versus fundoplication for gastroesophageal reflux disease: Systematic review and meta-analysis.

Author information

1
University of Milan, Department of Biomedical Sciences for Health, Division of General Surgery, IRCCS Policlinico San Donato, Italy. Electronic address: alberto.aiolfi86@gmail.com.
2
University of Milan, Department of Biomedical Sciences for Health, Division of General Surgery, IRCCS Policlinico San Donato, Italy. Electronic address: Emanuele.Asti@grupposandonato.it.
3
University of Milan, Department of Biomedical Sciences for Health, Division of General Surgery, IRCCS Policlinico San Donato, Italy. Electronic address: dani_02@hotmail.it.
4
University of Milan, Department of Biomedical Sciences for Health, Division of General Surgery, IRCCS Policlinico San Donato, Italy. Electronic address: bbonit@icloud.com.
5
University of Milan, Department of Biomedical Sciences for Health, Division of General Surgery, IRCCS Policlinico San Donato, Italy. Electronic address: emarausa@yahoo.it.
6
University of Milan, Department of Biomedical Sciences for Health, Division of General Surgery, IRCCS Policlinico San Donato, Italy. Electronic address: stesibo@gmail.com.
7
University of Milan, Department of Biomedical Sciences for Health, Division of General Surgery, IRCCS Policlinico San Donato, Italy. Electronic address: luigi.bonavina@unimi.it.

Abstract

BACKGROUND:

Laparoscopic Nissen and Toupet fundoplication (LF) are currently considered gold-standard surgical treatment for Gastroesophageal Reflux Disease (GERD). Magnetic Sphincter Augmentation (MSA) is an innovative surgical procedure that has been showed to be effective to control GERD symptoms and to reduce esophageal acid exposure. The aim of this systematic review and meta-analysis was to compare early outcomes of LF and MSA.

MATERIALS AND METHODS:

PubMed, MEDLINE, Embase, and Cochrane databases were consulted matching the terms "Gastroesophageal reflux or heartburn", "LINX or magnetic sphincter augmentation" and "fundoplication". Pooled effect measures were calculated using an inverse-variance weighted or Mantel-Haenszel in random effects meta-analysis. Heterogeneity was evaluated using I2-index and Cochrane Q-test. Meta-regression was used to address the effect of potential confounders.

RESULTS:

Seven observational cohort studies, published between 2014 and 2017, matched the inclusion criteria. Overall, 1211 patients, 686 MSA and 525 LF, were included. Postoperative morbidity ranged from 0 to 3% in the MSA group and from 0 to 7% in the LF group, and there was no mortality. Dysphagia requiring endoscopic dilatation occurred in 9.3% and 6.6% of patients respectively (OR = 1.56, 95% CI = 0.61-3.95, p = 0.119). The pooled OR of gas/bloat symptoms, ability to vomit, and ability to belch were 0.39 (95% CI 0.25-0.61; p < 0.001), 10.10 (95% CI 5.33-19.15; p < 0.001), and 5.53 (95% CI 3.73-8.19; p < 0.001), respectively. The postoperative GERD-HRQL was similar (p = 0.101). The pooled OR of PPI suspension, endoscopic dilation, and reoperation were similar in the two patients groups (p = 0.548, p = 0.119, p = 0.183, respectively).

CONCLUSION:

Both anti-reflux procedures are safe and effective up to 1-year follow-up. PPI suspension rate, dysphagia requiring endoscopic dilatation, and disease-related quality of life are similar in the two patient groups. MSA is associated with less gas/bloat symptoms and increased ability to vomit and belch.

KEYWORDS:

Gastroesophageal reflux disease (GERD); LINX; Laparoscopic fundoplication; Magnetic sphincter augmentation

PMID:
29471155
DOI:
10.1016/j.ijsu.2018.02.041
[Indexed for MEDLINE]

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