Weight/Obesity - Bariatric Surgery

Practice Guidance Toolkit

Key Nutrition Issues


Bariatric surgery physically alters the gastrointestinal tract by gastric restriction, intestinal modifications or both to induce weight loss and potentially metabolic benefits (1). Changes in hormones may explain metabolic benefits (such as diabetes improvements). Bariatric surgical procedures can reduce food intake by gastric restriction only (e.g. adjustable gastric banding (LAGB), vertical banded gastroplasty (VGB), and sleeve gastrectomy (LSG)), create malabsorption by bypassing varying
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Last Updated: 2014-09-12