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Tuesday, November 13, 2012

A Beginner’s Guide to Gastric Bypass

مرسلة بواسطة Yacine Blog في 5:56 AM
A gastric bypass is carried out by dividing the stomach into a smaller upper portion and a larger lower portion and rearranging the small intestine so that it connects with both portions of the stomach; the objective of this procedure is to treat morbid obesity. The condition is one in which the BMI goes over 40. Doctors recommend this procedure when other means of weight loss and weight control have failed to produce the desired result.
In this procedure, stapling the stomach results in reduced food consumption and because the food bypasses part of the intestine, nutrient absorption is controlled. These two factors eventually lead to weight loss.
The Roux en-Y gastric bypass procedure is the most technique used to surgically treat morbid obesity. The gastric bypass procedure can reduce the stomach’s volume by as much as 90%. After this procedure is performed, subjects eat less and report a feeling of satiety much sooner than earlier. The procedure when accompanied by disciplined changes in lifestyle can help achieve significant reduction in weight. However, this is a major surgery, not without its complications. One has to be aware of the potential risks associated with gastric bypass.
The risks, complications, and indeed the mortality rates associated with gastric bypass are to a very large degree influenced by prevalent conditions such as hypertension, diabetes, and heart disease. Gastric bypass procedures carried out laparoscopically report a very minute mortality risk as compared to open procedures where the risk is around 0.5%.
Infection is a big risk and can occur due to a number of reasons. Intestinal bacteria can cause peritonitis. Nosocomial bacterial and fungal infections acquired in a hospital environment are another cause. A blood infection or sepsis is a serious matter. The subject should try to stay as active as possible after surgery and should diligently follow the prescribed course of antibiotic medication.
Blood clots can occur; if these travel to the lungs or block an artery it can lead to a fatality. Post-surgery bleeding of blood vessels into the gastrointestinal tract is another complication that surgeons have to guard against.
Leakage from the stomach into the abdominal cavity is a serious issue; it occurs in two out of every hundred surgeries and may necessitate a re-operation. The opening at which the stomach and intestine are connected during the surgery may contract and make passage of food and water difficult. Consumption of sugary food can lead to a condition known as Dumping Syndrome characterized by rapid heart beat and diarrhea.
You will have to control alcohol consumption because gastric bypass patients absorb alcohol into their systems much faster than healthy individuals. Your doctor will prescribe a regimen of vitamin and mineral supplementation that you will have to follow for the rest of your life.
It is possible to lose as much as 80% of the excess weight after a gastric bypass procedure. This is truly a life-saving surgery that also helps patients re-attain a quality of life that is not really possible for obese individuals. The best candidates for this procedure are those individuals who understand that this surgery is only part of the solution. To achieve and maintain a healthy weight they have to work towards it.

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