Roux-en-Y Gastric Bypass
Surgery Illustrations from © Ethicon Endo-Surgery
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- Most commonly performed bariatric surgery in the United States
- Restrictive procedure that produces early satiety, limits food intake, and thus promotes weight loss
- Possible intolerance of high sugar, high fat foods – “dumping syndrome”
- Lifelong vitamin and mineral supplements needed
- Average weight loss is 60-80% of excess body weight
- Long term (7-10 years) weight loss is 25-70% of excess body weight
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Vertical Sleeve Gastrectomy
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- Restrictive procedure that produces early satiety, limits food intake, and thus promotes weight loss
- Approximately 85% of the stomach is removed
- Lifelong vitamin and mineral supplements needed
- Average weight loss is 40-70% of excess body weight
- Long term (5 year) weight loss is 42-60% of excess body weight
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Laparoscopic Adjustable Gastric Band
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- Silicone band with an inflatable inner collar is placed around the upper stomach
- Small upper stomach pouch is created which helps limit food intake
- Gastric lap band is adjustable (by your surgeon)
- No absorption issues with micronutrients
- Average weight loss is 30-60% of excess body weight
- Long term (7-10 years) weight loss is 14-60% of excess body weight
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Possible Nutrition Challenges with Bariatric Surgery:
- Dehydration, due to not drinking enough fluids
- Nausea and vomiting, due to eating/drinking too fast, too much, or not chewing well
- Constipation, due to limited fluid and fiber intake
- Weight regain
