Basically, gastric bypass surgery is done in two parts- Pouch creation and Roux-en-Y (bypass) creation. During the pouch creation stage, the stomach is divided into two parts- one big and one small. The smaller part is then sewn up to form a small pouch. This pouch can hold at maximum a cup of food. The new, smaller stomach makes the patient feel fuller sooner and eat less.
During the second stage, the new, smaller pouch is disconnected from the duodenum and connected to the jejunum. The duodenum is the upper portion of the small intestine while jejunum is the lower part. This helps in the formation of a bypass that makes the food to go from the stomach to the jejunum directly. This greatly decreases the area of absorption of calories and nutrients. Though a big portion of the stomach is separated, it continues to produce the acids and digestive enzymes needed for the digestion process. In most of the cases, the patient is able to lose more than 75% of their excess weight. The patient starts losing weight soon after the surgery and may continue losing weight for many months after the surgery.
Gastric bypass is generally considered as a bariatric weight loss option for morbidly obese persons. However, there is hardly any surgery which doesn’t have any risks associated with it. And, so is the case with gastric bypass. If you are going to have this weight loss surgery, it is better to get acquainted with its complications and risks. Like the other surgeries like gastric sleeve plication, bariatric surgery, gastric band etc. we can’t rule out the possibility of complications in this surgery as well. The probable complications may involve infection, bleeding, anesthesia problems, ulcers, blood clots etc. Also, as like in the other surgeries like lap band surgery, laparoscopic surgery, gastric sleeve etc. the patient has to commit to a lifetime of healthy lifestyle and regular exercise.
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