Laparoscopic Roux-en-Y Gastric Bypass
This procedure comprises two steps: food intake is reduced by creating a small stomach pouch, thus reducing the size of the stomach, and the ability to absorb calories is reduced by diverting a portion of the stomach and small intestine.
Laparoscopic Vertical Sleeve Gastrectomy
This procedure consists of removing a portion of the stomach by laparoscope.