Significant and distinct impacts of sleeve gastrectomy and Roux-en-Y gastric bypass on esophageal acid exposure, esophageal motility, and endoscopic findings: a systematic review and meta-analysis.

Autor:	Valentini DF Jr; Postgraduate Program in Medicine: Surgical Sciences, School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil; Division of Gastrointestinal Surgery, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil. Electronic address: jrdirceuvalentini@gmail.com., Mazzini GS; Division of Bariatric and Gastrointestinal Surgery, Virginia Commonwealth University, Richmond, VA, United States., Lazzarotto-da-Silva G; Postgraduate Program in Medicine: Surgical Sciences, School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil; Division of Gastrointestinal Surgery, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil., Simões AB; School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil., Gazzi VS; School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil., Alves JBO; School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil., Campos VJ; Division of Gastrointestinal Surgery, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil., Gurski RR; Postgraduate Program in Medicine: Surgical Sciences, School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil; Division of Gastrointestinal Surgery, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil; School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
Jazyk:	angličtina
Zdroj:	Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract [J Gastrointest Surg] 2024 Sep; Vol. 28 (9), pp. 1546-1557. Date of Electronic Publication: 2024 Jun 18.
DOI:	10.1016/j.gassur.2024.06.014
Abstrakt:	Background: The lack of standardized objective assessment of esophageal physiology and anatomy contributes to controversies regarding the effects of sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB) on gastroesophageal reflux disease. This study aimed to investigate esophageal acid exposure, esophageal motility, and endoscopic findings before and after SG and RYGB. Methods: This was a systematic review and meta-analysis of studies reporting at least 1 objective measure of esophageal physiology and/or esophagogastroduodenoscopy (EGD) at baseline and after SG or RYGB. The changes in pH test, manometry, and EGD parameters were summarized. Results: Acid exposure time (AET) and DeMeester score (DMS) significantly increased after SG (mean difference [MD]: 2.1 [95% CI, 0.3-3.9] and 8.6 [95% CI, 2.0-15.2], respectively). After RYGB, both AET and DMS significantly decreased (MD: -4.2 [95% CI, -6.1 to -2.3] and -16.6 [95% CI, -25.4 to -7.8], respectively). Lower esophageal sphincter resting pressure and length significantly decreased after SG (MD: -2.8 [95% CI, -4.6 to -1.1] and -0.1 [95% CI, -0.2 to -0.02], respectively). There were no significant changes in esophageal manometry after RYGB. The relative risks of erosive esophagitis were 2.3 (95% CI, 1.5-3.5) after SG and 0.4 (95% CI, 0.2-0.8) after RYGB. The prevalence rates of Barrett esophagus changed from 0% to 3.6% after SG and from 2.7% to 1.4% after RYGB. Conclusion: SG resulted in the worsening of all objective parameters, whereas RYGB resulted in the improvement in AET, DMS, and EGD findings. Determining the risk factors associated with these outcomes can help in surgical choice. Competing Interests: Declaration of competing interest The authors declare no competing interests. (Copyright © 2024 Society for Surgery of the Alimentary Tract. Published by Elsevier Inc. All rights reserved.)
Databáze:	MEDLINE
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