Mini gastric bypass procedure

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Mini gastric bypass procedure

The Mini-Gastric Bypass (MGB) is a type of obesity surgery which is a simple, successful and inexpensive technique in weight loss surgery. It is a hybrid procedure that has the advantages of a restrictive procedure (like Laparoscopic sleeve gastrectomy) and also the advantages of a malabsorptive procedure ( like Roux-en-y gastric bypass). It involves creating a long narrow tube of stomach along its right border and then joining it to a loop of small intestine about 180 cms from the starting point of the jejunum. The MGB is a viable and effective alternative to the Roux en-Y procedure due to the simple jejunal loop creation, thus reducing the morbidity and malasborption seen with a proper gastric bypass. MGB is fast becoming popular because of low risk of complications and good sustained weight loss. It has the effectiveness of sleeve and Roux-en-y gastric bypass without their complications or reflux problem.

In the MGB, restriction of stomach volume is achieved by surgically altering the stomach to make its size and capacity smaller just like in sleeve gastrectomy. Next, malabsorption is accomplished by looping and attaching the small intestine to the stomach tube bypassing about 150 to 180 cm of intestine as in Roux-en-Y gastric bypass.


  • Single stage permanent procedure

  • No resection or removal of parts stomach or intestine

  • No implants like a balloon or band

  • No reflux or acidity problem

  • Hunger is reduced 

  • Sustained, long term weight loss

  • Easily reversible and revisable if necessary

  • No prolonged hospital stay

  • No major malabsorption complications



Hospital stay

  • Usually 2-3 days

  • Patient should be able to take enough fluids and nutrients through the mouth before discharge.

  • Lack of physical activity