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| Laparoscopic Roux en Y Gastric bypass |
Laparoscopic Roux en Y gastric Bypass ("LRYGBP") procedure involves creating a stomach pouch out of a small portion of the stomach approximately the size of an egg. This pouch is then attached directly to the small intestine, bypassing a large part of the stomach and duodenum. Not only is the stomach pouch too small to hold large amounts of food, but by skipping the duodenum, fat absorption is substantially reduced. Due to the connection of the pouch to the intestine and the lack of a pyloric valve, an Roux-en-Y patient eating sugary foods will sometimes suffer from "dumping syndrome". This is what happens when a high sugar food is eaten or drunk, the body dumps in a lot of insulin to counteract the sugar level, this results in a low blood sugar level which causes nausea and vomiting and a generallly awful feeling. For this reason, the Roux-en-Y gastric bypass is believed to be the operation for those with a sweet tooth as the dumping syndrome will hopefully deter the patient from eating sugar too much. Roux-en-Y patients have to take vitamin supplementation for life and need to have their bloods checked at regular intervals.
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The Laparoscopic Roux-en-Y Gastric Bypass is performed by dividing the stomach into two compartments, creating a very small pouch (approximately 30 ml) that remains connected to the esophagus (food pipe). The larger portion of the stomach is left in its place and not removed. The two parts of the stomach are completely separated. The small intestine is divided downstream from the stomach and one of its ends is attached to the small stomach pouch. Thus, ingested food goes in to the small intestine and bypasses the stomach, hence the name of the operation. The intestine is then reconnected downstream from the pouch to receive the acid secretions made by the bypassed portion of the stomach. This operation induces weight loss by limiting the amount of food you eat and by limiting absorption of food in the intestine. In individuals with a BMI that exceeds 60 kg/m2 we will consider elongating the segment of intestine in which there is no absorption in order to induce further weight loss (Very Long Roux-en-Y Gastric Bypass). On average, patients who undergo Roux en Y gastric bypass surgery experience a 70% loss of excess weight. |
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