Research Article

Weight regain after bariatric surgery: the role of surgical procedure and dietitian follow-up

Published in: South African Journal of Clinical Nutrition
Volume 39 , issue 3, pages: 139–147

DOI: 10.1080/16070658.2026.2710451

Author(s): Sunette SwartUniversity of the Free State, South Africa, Mariette NelUniversity of the Free State, South Africa, Violet Louise Van den BergUniversity of the Free State, South Africa, Hermina Catharina SpiesUniversity of the Free State, South Africa,

Keywords: excess weight loss (EWL), obesity, Roux-en-Y gastric bypass (RYGBP), sleeve gastrectomy (SG),

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Abstract

Introduction: Bariatric surgery (BS) is an effective long-term treatment for severe obesity, resulting in substantial weight loss (WL). However, weight regain (WR) is a common physiological response influenced by metabolic adaptation, plus physiological and behavioural factors, and may differ between surgery types. Postoperative dietitian follow-ups are vital for maintaining adherence and minimising WR.

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Research Article

Weight regain after bariatric surgery: the role of surgical procedure and dietitian follow-up

Abstract

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