This procedure is a restrictive procedure that changes the shape and size of the stomach. The surgeon removes approximately two-thirds of the stomach; thus, the stomach is reshaped into a long tube, or “sleeve.” After the procedure, the stomach is about the size and shape of a banana and resembles a sleeve.
restricts food intake by allowing only a small amount of food to be consumed in a single sitting, providing a quicker sense of fullness and decreased appetite
does not require the surgeon to implant a foreign body such as the band used in gastric banding
decreases the secretion of the hormone ghrelin, which is responsible for the feeling of satiety (fullness)
initially decreases the body weight of the severely obese patient to prepare this patient for a staged procedure or other surgery at a later time