International expert consensus on definitions and management of weight recurrence and suboptimal response after metabolic and bariatric surgery: a Delphi study.

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Title: International expert consensus on definitions and management of weight recurrence and suboptimal response after metabolic and bariatric surgery: a Delphi study.
Authors: Wills MV; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio., Lee S; Department of Surgery, Seoul Medical Center, Seoul, South Korea., Mocanu V; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio., Lee Y; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio., Kachornvitaya P; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio., Zhu X; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio., Alfaris N; Obesity, Endocrine, and Metabolism Center (OEMC), King Fahad Medical City, Riyadh, Saudi Arabia., Andromalos L; Department of Clinical Nutrition, University of Minnesota Medical Center, Minneapolis, Minnesota., Apovian C; Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts., Behrens E; New Life Center, Guatemala, Guatemala., Birk D; Department of General Surgery, Klinikum Bietigheim-Ludwigsburg, Bietigheim-Bissingen, Germany., Busetto L; Department of Medicine, University of Padova, Padova, Italy., Courcoulas A; Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania., Cummings D; University of Washington Medical School, Seattle, Washington., Faria SL; University of Brasilia/Gastrocirurgia, Nutrition Department, Brasilia, Brazil., Ghanem O; Department of Surgery, Mayo Clinic, Rochester, Minnesota., Han SM; Department of Surgery, Seoul Medical Center, Seoul, South Korea., Karmali S; Department of Surgery, University of Alberta, Edmonton, Alberta., Kaplan L; Section of Obesity Medicine and Weight Center, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire., Kow L; College of Medicine and Public Health, Flinders University, Adelaide, Australia., le Roux CW; Department of Chemical Pathology and Metabolic Medicine, University College Dublin School of Medicine, Dublin, Ireland; Department of Metabolic Medicine, Ulster University, Londonderry, United Kingdom., Mahawar K; Department of Surgery, South Tyneside and Sunderland NHS Foundation Trust, Sunderland, UK., Gawdat K; Bariatric Surgery Unit, Faculty of Medicine, Ain Shams University, Cairo, Egypt., Munoz R; Department of Digestive Surgery, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Region Metropolitana, Chile., Musella M; Department of Advanced Biomedical Sciences, University of Naples 'Federico II', Naples, Italy., Nimeri A; Laboratory for Surgical and Metabolic Research, Division of General and GI Surgery, Department of Surgery, Brigham and Women's Hospital, Massachusetts., O'Kane M; Dietetic Department, Leeds Teaching Hospitals NHS Trust, St James's University Hospital, Leeds, United Kingdom., Palermo M; Division of Bariatric Surgery, University of Buenos Aires, Buenos Aires, Argentina., Ponce de Leon Ballesteros G; Department of Surgery, Hospital Angeles Morelia, Morelia, Mexico., Salminen P; Department of Surgery, University of Turku, Turku, Finland., Sullivan S; Center for Digestive Health, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire., Udomsawaengsup S; Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand., Tewksbury C; Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania., Vidal J; Obesity Unit, Endocrinology and Nutrition Department, Hospital Clínic, Barcelona, Spain., Wilding J; Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK., Dang J; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio., Strong A; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio., Navarrete S; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio., Zundel N; Department of Surgery, University at Buffalo, Buffalo, New York., Kermansaravi M; Department of Surgery, Minimally Invasive Surgery Research Center, Division of Minimally Invasive and Bariatric Surgery, Hazrat-E Fatemeh Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran., Butsch S; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio., Kroh M; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio., Corcelles R; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio. Electronic address: corcelr@ccf.org.
Source: Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery [Surg Obes Relat Dis] 2026 Jul; Vol. 22 (7), pp. 753-761. Date of Electronic Publication: 2026 Mar 17.
Publication Type: Journal Article; Consensus Statement
Journal Info: Publisher: Elsevier Country of Publication: United States NLM ID: 101233161 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1878-7533 (Electronic) Linking ISSN: 15507289 NLM ISO Abbreviation: Surg Obes Relat Dis Subsets: MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:1878-7533
DOI:10.1016/j.soard.2026.03.006