Evidence mapPaperPMID 41998485Full record

ArticleObesity surgery2026

Metabolic Outcomes and Recurrent Weight Gain 10 Years After Roux-en-Y Gastric Bypass, a Longitudinal Cohort Study.

Monica Chahal-Kummen, Stephen Hewitt, Torgeir Thorson Søvik, Jon Kristinsson, Tom Mala

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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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1 · What the graph read from it

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5 · Who and what money

Authors and funding

5 authors.

Monica Chahal-KummenOslo University Hospital, Oslo, Norway. monichalkum@outlook.com.
Stephen HewittOslo University Hospital, Oslo, Norway.
Torgeir Thorson SøvikOslo University Hospital, Oslo, Norway.
Jon KristinssonOslo University Hospital, Oslo, Norway.
Tom MalaOslo University Hospital, Oslo, Norway.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionLong-term weight loss and improvement in associated medical problems are seen after metabolic bariatric surgery (MBS) as Roux-en-Y gastric bypass (RYGB). Few studies have focused on recurrent weight gain (RWG) after RYGB.

methodsPatients operated with RYGB from 2004 to 2008 were invited to 10-year follow-up consultations. The primary outcome was weight development in terms of total weight loss and RWG. Significant RWG was defined as gaining > 30% of initial weight loss two years postoperatively. Secondary outcomes included associated medical problems.

resultsAmong a total of 582 patients operated, 311/544 (56%) patients attended 10-year follow-up. Mean age at 10 years was 52.8 (9.2) years, with 76.5% females. Body mass index (BMI), weight and total weight loss at 10-year follow-up were 35.6 (6.8) kg/m2, 103.7 (24.1) kg and 23.4 (12.3) %, respectively. RWG at 10-year follow-up was 26.0 (48.8) %, with 45.6% of the patients experiencing RWG > 30%. For patients with and without RWG > 30%, the relapse and remission rates of diabetes type 2 and hypertension were comparable. Relapse rates of dyslipidemia were higher in patients with RWG > 30%.

conclusionWe found a high prevalence of significant RWG 10 years after RYGB. Except for dyslipidemia, the metabolic benefits of RYGB persisted despite RWG.

Indexed as

Diabetes Mellitus, Type 2Gastric BypassObesity, MorbidWeight GainWeight LossAdultBody Mass IndexFemaleFollow-Up StudiesHumansLongitudinal StudiesMaleMiddle AgedRecurrenceTreatment Outcome

Identifiers

PMID41998485
PMCPMC13249726

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