Mini Gastric Bypass Surgery

Minimally invasive weight loss surgical procedure

  • Performed laparoscopically (5 small, 1″ incisions)
  • Usually takes less than one hour to perform
  • Overnight hospital stay
  • Easily reversible or revisable
  • Excellent weight loss
  • Low complication rate
  • Return to normal activity within one week

Three Important Ways the Mini Gastric Bypass Surgery Helps Your Body Shed Pounds


A small stomach pouch is created restricting the amount of food you can eat.


A portion of the small intestine is bypassed. Since the small intestine is responsible for absorbing the calories from the food you eat, bypassing a portion of the small intestine results in fewer calories being absorbed, thus creating additional weight loss.


The hormone ghrelin has been nicknamed the “Hunger Hormone” by researchers because of its significant effect on appetite. Gastric Bypass results in a fall in ghrelin levels resulting in a reduced appetite.

The Five Steps in the Mini Gastric Bypass Surgery


  1. Access to the abdominal cavity: 5 small (1 inch) incisions on the abdominal wall to allow the insertion of access ports. Instruments are then passed through the various ports to complete the operation.
  2. Retraction of the Liver: The liver lies over the stomach and must be lifted out of the way in order to complete the operation.
  3. Creation of the Mini-Stomach: The stomach is divided into 2 parts. One part, a long narrow tube that will serve as your new “mini-stomach”. The second part is the larger remaining part of your stomach which remains alive and well, but is now “defunctionalized”, that is to say, it no longer receives or processes food.
  4. Bypass of the small intestine: The length of small intestine bypassed varies from patient to patient, usually ranging from 3 to 7 feet. The actual length of intestine bypassed will be determined by your surgeon based on multiple factors including your height and weight, your weight loss expectations, and a careful review of the risks and benefits of a Shorter vs. Longer Bypass.
  5. Removal of ports and closure of skin incisions: Upon completion of the operation, all instruments and ports are removed and the 5 small skin incisions are closed with skin closure staples.


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Learn Everything You Need to Know about MGB Surgery!