This type of Bariatric Surgery is simply termed as Roux-en-Y Gastric Bypass (as there are other types of gastric bypass surgeries too). Here the stomach is reduced to its size and a bypass is created from the reduced stomach to the small intestine.
How is this surgery performed?
This process involves dividing the stomach into a smaller upper portion and the larger lower portion. The small upper portion that is connected to the food pipe at one end is reconstructed with a portion of the small intestine to the other end and is stapled to the small intestine bypassing the distal part of the stomach and a considerable length of the proximal intestine (hence the name “bypass”).
How is weight loss achieved in this surgery type?
The reduced stomach and the reduced length of the small intestine play a vital role. Since the capacity of the stomach and the small intestine is reduced, the food consumption is greatly reduced which aids in weight loss. One more important point is apart from food the nutrient absorption of the body is also greatly reduced. This condition can be managed by daily intake of multivitamins.