{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T16:52:09Z","timestamp":1774630329686,"version":"3.50.1"},"reference-count":30,"publisher":"FapUNIFESP (SciELO)","issue":"4","license":[{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ABCD, arq. bras. cir. dig."],"abstract":"<jats:p>ABSTRACT  Background: Gastroesophageal reflux (GER) is one of the most common indications for conversion of sleeve gastrectomy (LSG) to laparoscopic Roux-en-Y gastric bypass (LRYGBP). Objective evaluations are necessary in order to choose the best definitive treatment for these patients.  Aim: To present and describe the findings of the objective studies for gastroesophageal reflux disease performed before LSG conversion to LRYGBP in order to support the indication for surgery.  Method: Thirty-nine non-responder patients to proton pump inhibitors treatment after LSG were included in this prospective study. They did not present GER symptoms, esophagitis or hiatal hernia before LSG. Endoscopy, radiology, manometry, 24 h pH monitoring were performed.  Results: The mean time of appearance of reflux symptoms was 26.8+24.08 months (8-71). Erosive esophagitis was found in 33\/39 symptomatic patients (84.6%) and Barrett\u00b4s esophagus in five. (12.8%). Manometry and acid reflux test were performed in 38\/39 patients. Defective lower esophageal sphincter function was observed independent the grade of esophagitis or Barrett\u00b4s esophagus. Pathologic acid reflux with elevated DeMeester\u00b4s scores and % of time pH&lt;4 was detected in all these patients. more significant in those with severe esophagitis and Barrett\u00b4s esophagus. Radiologic sleeve abnormalities were observed in 35 patients, mainly cardia dilatation (n=18) and hiatal hernia (n=11). Middle gastric stricture was observed in only six patients.  Conclusion: Patients with reflux symptoms and esophagitis or Barrett\u00b4s esophagus after SG present defective lower esophageal sphincter function and increased acid reflux. These conditions support the indication of conversion to LRYGBP.<\/jats:p>","DOI":"10.1590\/0102-672020200004e1553","type":"journal-article","created":{"date-parts":[[2021,1,25]],"date-time":"2021-01-25T20:09:55Z","timestamp":1611605395000},"source":"Crossref","is-referenced-by-count":17,"title":["WHEN SHOULD BE CONVERTED LAPAROSCOPIC SLEEVE GASTRECTOMY TO LAPAROSCOPIC ROUX-EN-Y GASTRIC BYPASS DUE TO GASTROESOPHAGEAL REFLUX?"],"prefix":"10.1590","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2024-3029","authenticated-orcid":false,"given":"Italo","family":"BRAGHETTO","sequence":"first","affiliation":[{"name":"University of Chile,  Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7840-2534","authenticated-orcid":false,"given":"Owen","family":"KORN","sequence":"additional","affiliation":[{"name":"University of Chile,  Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6024-1795","authenticated-orcid":false,"given":"Anamar\u00eda","family":"BURGOS","sequence":"additional","affiliation":[{"name":"University of Chile,  Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4907-5727","authenticated-orcid":false,"given":"Manuel","family":"FIGUEROA","sequence":"additional","affiliation":[{"name":"University of Chile,  Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"530","published-online":{"date-parts":[[2020]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1016\/j.soard.2015.04.005","article-title":"Reasons and outcomes of conversion of laparoscopic sleeve gastrectomy to Roux-en-Y gastric bypass for non-responders","volume":"12","author":"Abdemur A","year":"2016","journal-title":"Surg Obes Relat Dis"},{"key":"ref2","doi-asserted-by":"crossref","first-page":"14","DOI":"10.1007\/s11605-012-2057-5","article-title":"Gastroesophageal reflux disease and antireflux surgery-what is the proper preoperative work-up","volume":"17","author":"Bello B","year":"2013","journal-title":"J Gastrointest Surg"},{"key":"ref3","doi-asserted-by":"crossref","first-page":"473","DOI":"10.1007\/s00423-018-1675-0","article-title":"Short-term outcomes of sleeve gastrectomy conversion to R-Y gastric bypass multi-center retrospective study","volume":"403","author":"Boru CE","year":"2018","journal-title":"Langenbecks Arch Surg"},{"key":"ref4","doi-asserted-by":"crossref","first-page":"1442","DOI":"10.1007\/s11695-008-9421-2","article-title":"Valladares H, Guti\u00e9rrez L, Csendes A, Debandi A, Castillo J, Rodr\u00edguez A, Burgos AM, Brunet L Laparoscopic sleeve gastrectomy: surgical technique, indications and clinical results","volume":"17","author":"Braghetto I","year":"2007","journal-title":"Obes Surg"},{"key":"ref5","doi-asserted-by":"crossref","first-page":"357","DOI":"10.1007\/s11695-009-0040-3","article-title":"Manometric changes of the lower esophageal sphincter after sleeve gastrectomy in obese patients","volume":"20","author":"Braghetto I","year":"2010","journal-title":"Obes Surg"},{"key":"ref6","doi-asserted-by":"crossref","first-page":"1817","DOI":"10.1016\/j.soard.2016.09.038","article-title":"Revision of primary sleeve gastrectomy to Roux-en-Y gastric bypass indications and outcomes from a high-volume center","volume":"12","author":"Casillas RA","year":"2016","journal-title":"Surg Obes Relat Dis"},{"key":"ref7","doi-asserted-by":"crossref","first-page":"645","DOI":"10.1016\/S0039-6060(98)70202-8","article-title":"Long term results of classic antireflux surgery in 152 patients with Barrett's esophagus: clinical, radiological, endoscopic, manometric, and acid reflux test: analysis before and after operation","volume":"126","author":"Csendes A","year":"1998","journal-title":"Surgery"},{"key":"ref8","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1007\/s11605-016-3215-y","article-title":"Indications for revisions following 630 consecutive laparoscopic sleeve gastrectomy cases: Experience in a single acreditated center","volume":"21","author":"El Chaar M","journal-title":"J. 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