A large incision will be made in the abdomen. Surgical staples will be used to create a small pouch at the top of the stomach. The small intestine will be cut and attached to the new pouch. Food will now move from the new stomach pouch to the middle section of the small intestine. It will skip the lower stomach and the upper section of intestine. The upper section will be attached to the middle section of the small intestine. This will allow fluid that the lower stomach makes to move down the upper section of the small intestine and into the middle intestine. The incision will be closed with stitches or staples. A bandage will be placed over the area.
The small pouch can hold only 1 cup of soft, moist, and well-chewed food. A normal stomach can hold 4 to 6 cups.
Bariatric surgery. Merck Manual Professional Version website. Available at: http://www.merckmanuals.com/professional/nutritional-disorders/obesity-and-the-metabolic-syndrome/bariatric-surgery. Accessed September 28, 2021.
Bariatric surgery in adults. EBSCO DynaMed website. Available at: https://www.dynamed.com/procedure/bariatric-surgery-in-adults. Accessed September 28, 2021.
Gastrict bypass surgery. Columbia University Medical Center website. Available at: http://columbiasurgery.org/conditions-and-treatments/gastric-bypass-surgery. Accessed September 28, 2021.
Obesity surgery. Cleveland Clinic website. Available at: https://my.clevelandclinic.org/health/treatments/17285-obesity-surgery/roux-en-y-gastric-bypass. Accessed September 28, 2021.
Risks of gastric bypass surgery: anastomotic leaking. Johns Hopkins Medicine website. Available at: https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/risks-of-gastric-bypass-surgery-anastomotic-leaking. Accessed September 28, 2021.
Weight-loss (bariatric) surgery. National Institute of Diabetes and Digestive and Kidney Diseases website. Available at: https://www.niddk.nih.gov/health-information/weight-management/bariatric-surgery. Accessed September 28, 2021.
Last reviewed July 2021 by
EBSCO Medical Review Board
Marcin Chwistek, MD
Last Updated: 9/28/2021
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