Roux-en-Y Gastric Bypass
Surgery Illustrations from © Ethicon Endo-Surgery
 |
- 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
|
Vertical Sleeve Gastrectomy
 |
- 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
|
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
