Journal
INTERNATIONAL JOURNAL OF SURGERY
Volume 52, Issue -, Pages 82-88Publisher
ELSEVIER
DOI: 10.1016/j.ijsu.2018.02.041
Keywords
Gastroesophageal reflux disease (GERD); Laparoscopic fundoplication; Magnetic sphincter augmentation; LINX
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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 I-2-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.
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