Adherence
Dietary non-adherence, specifically the consumption of high-calorie liquids, 'grazing' (repeated small meals), and food indiscretion (sweets/fats), is a primary behavioral cause of weight regain and insufficient weight loss after bariatric surgery.
Avoid 'grazing' (frequent small snacks) and high-calorie liquids (sugary drinks, milkshakes). These bypass the stomach's physical restriction and satiety signals. Focus on structured, nutrient-dense meals and monitor liquid calorie intake closely.
Among RYGB patients, 23% demonstrated dietary non-adherence and continuation of their pre-surgical eating patterns, leading to suboptimal weight loss, WR, or both [50]. After BS, food indiscretion such as intake of excessive calories, snacks, sweets, oils, and fatty foods was statistically higher among patients with WR [51]. ... Grazing is defined as repeated episodes of consumption of smaller quantities of food over a long period of time, accompanied with feelings of loss of control [53, 54].
Why this rating
Based on a scoping review of multiple studies, including RCTs and observational studies, showing consistent associations.
Source
Weight Regain and Insufficient Weight Loss After Bariatric Surgery: Definitions, Prevalence, Mechanisms, Predictors, Prevention and Management Strategies, and Knowledge Gaps—a Scoping Review
Walid El Ansari et al. · Obesity Surgery · 2021
DOI 10.1007/s11695-020-05160-5
More from this paper
- Bariatric surgery (BS) induces initial weight loss through foregut exclusion-mediated hormonal upregulation of satiety hormones (GLP-1, PYY) and downregulation of ghrelin, but long-term weight regain (WR) is driven by the subsequent normalization or decline of these hormonal levels, alongside behavioral factors like dietary non-adherence and grazing.Moderate
- Pharmacotherapy (specifically topiramate, phentermine, liraglutide, and bupropion/naltrexone) can facilitate weight loss in post-bariatric surgery patients with weight regain or insufficient weight loss, with topiramate showing higher likelihood of significant weight loss compared to other medications.Moderate
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