Evidence map›Paper›PMID 42581263›Full record

ArticleObesity surgery2026

Long-Term Outcomes up to 10 Years After Indication-Based Conversion to One-Anastomosis Gastric Bypass or Roux-En-Y Gastric Bypass Following Sleeve Gastrectomy.

José Cooke, Jorge Andrés Claria, Gustavo Matus, Xaris Iván Merino Rosas, Sandra Andino

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Article in Obesity surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

José CookeSanatorio Mayo, Córdoba, Argentina. cookejose@gmail.com.
Jorge Andrés ClariaSanatorio Mayo, Córdoba, Argentina.
Gustavo MatusSanatorio Mayo, Córdoba, Argentina.
Xaris Iván Merino RosasSanatorio Mayo, Córdoba, Argentina. merinorxaris@gmail.com.
Sandra AndinoSanatorio Mayo, Córdoba, Argentina.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionSleeve gastrectomy (SG) is the most performed bariatric surgery worldwide. Over time, conversion may be required for refractory weight recurrence (WR), gastroesophageal reflux disease (GERD), or both. This study evaluated indication-based conversion outcomes after SG.

methodsAt a single center, 576 SG procedures were performed between 2007 and 2019. Procedure selection was predefined: one-anastomosis gastric bypass (OAGB) for WR without GERD, and Roux-en-Y gastric bypass (RYGB) for GERD with or without WR. Follow-up included weight measurements and upper gastrointestinal endoscopy at 1, 5, and 10 years. Ten-year analyses were restricted to patients converted between 2007 and 2014. Weight-loss analyses excluded isolated GERD conversions.

resultsFollow-up after primary SG was available in 423/576 patients at 1 year and 283/576 at 5 years. Among patients with 5-year follow-up, 87/283 underwent conversion: 43 to RYGB and 44 to OAGB. Mean total weight loss (TWL) after RYGB was 31.2%, 23.5%, and 21.6% at 1, 5, and 10 years; after OAGB, it was 32.8%, 29.9%, and 27.4%. At 10 years, TWL data were available for 4 RYGB and 18 OAGB patients. GERD with esophagitis after conversion was observed after RYGB in 2/43, 1/41, and 1/9 patients at 1, 5, and 10 years, and after OAGB in 0/43, 0/42, and 0/18.

conclusionIn this indication-based cohort, OAGB showed sustained TWL after conversion for WR without GERD, whereas RYGB provided reflux control in most GERD conversions. Between-procedure differences were descriptive, reflecting non-randomized allocation and small 10-year denominators.

Indexed as

GastrectomyGastric BypassGastroesophageal RefluxObesity, MorbidAdultFemaleFollow-Up StudiesHumansMaleMiddle AgedReoperationRetrospective StudiesTime FactorsTreatment OutcomeWeight LossConversion metabolic and bariatric surgeryGastroesophageal reflux diseaseOne-anastomosis gastric bypassRoux-en-Y gastric bypassSleeve gastrectomyWeight recurrence

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.