The gastric sleeve procedure jump starts weight loss by removing a portion of the stomach and narrowing the remaining parts to the size of a banana or a thin vertical “sleeve.”. A smaller sized stomach leaves you feeling fuller on much smaller portions of food and allows for normal digestion of nutrients. The procedure also causes the .... 2021. 2. 7. · After the Surgery. Gastric sleeve surgery, also known as “sleeve gastrectomy,” is a procedure in which a major portion of the stomach is removed to promote rapid weight loss. The procedure is typically performed in a hospital under general anesthesia and the surgery usually takes between 40 and 70 minutes. The Sleeve Gastrectomy, or Gastric Sleeve surgery, is a restrictive procedure performed on the stomach. This weight loss procedure consists of making the stomach into a long tube, or "sleeve", by removing two-thirds of the stomach which supplies for quicker and more prolonged satiety (sense of fullness) and decreased appetite. "/>The gastric sleeve