Surgical Weight Loss

Gastric Bypass

Large portion of the stomach is closed off. This leaves a small pouch to hold food, restricting the amount that can be eaten at one time. The small intestine is cut below the duodenum and reattached to the new stomach pouch, leaving a shortened path for food to travel through. Large portion of the stomach is closed off. This leaves a small pouch to hold food, restricting the amount that can be eaten at one time. The small intestine is cut below the duodenum and reattached to the new stomach pouch, leaving a shortened path for food to travel through.

  • “Gold Standard”
  • Restrictive and malasorptive
  • 60%-70% excess weight loss (EWL)
  • Very rapid initial weight loss
  • Stomach stapling and intestinal re-routing required
  • Risk of nutrient/vitamin deficiency
  • Must take vitamin supplements for life
  • “Dumping Syndrome” can occur
  • 2-3 day hospital stay

Sleeve Gastrectomy

Staples are used to create a vertical stomach pouch. The rest of the stomach is removed. This restricts the amount of food you can eat at one time. Staples are used to create a vertical stomach pouch. The rest of the stomach is removed. This restricts the amount of food you can eat at one time.

  • Staples are used to create a vertical stomach pouch. The rest of the stomach is removed. This restricts the amount of food you can eat at one time.
  • Not enough long term data to measure success

Duodenal Switch

A portion of the stomach is removed. The intestine is cut and the last section of the intestine is reattached to the remaining stomach. Only a very short length of intestine is left that can absorb food.

  • Mainly malabsorptive
  • 60%-70% EWL- highest of all procedures
  • Highest co-morbidity resolution rates
  • Abdominal bloating and foul-smelling stool or gas may occur
  • Risk of protein malnutrition, anemia and bone disease
  • Must take vitamin supplements for life
  • Procedure may increase the risk of forming gallstones and the need for removal of gallbladder
  • Possibility of intestinal irritation and ulcers
  • 3-4 day hospital stay

More Information, visit:
American Society for Metabolic & Bariatric Surgery
National Heart, Lung, and Blood Institute Obesity Education Initiative
Overeaters Anonymous

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