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Gastric Bypass Operations for Bariatric Surgery: What You Need to Know
Gastric bypass is a kind of bariatric surgery done on the stomach and upper small intestines intended to cut down food intake. Gastric bypass procedures usually create small pouch to limit food intake and bypasses on segments of the small intestine are constructed for malabsorption of food nutrients. Gastric bypass is an extensive procedure performed under general anesthesia and takes up to four hours to complete.
How is gastric byspass performed? Gastric bypass surgery currently uses two techniques: Roux-en-Y gastric bypass and biliopancreatic diversion bypass.
Roux-en-Y gastric bypass or RGB
Roux-en Y gastric bypass (RGB) is the most commonly performed gastric bypass procedure in the United States because it is less complicated and least likely to result in nutritional difficulties. A small stomach pouch is created by stapling part of the stomach together and a Y-shaped section in the small intestine is then attached to the pouch. This limits food intake for gastric bypass patients and reduces the ability to absorb calories and nutrients. Gastric bypass roux en-y is commonly called stomach stapling by some people.
RGB gastric bypass procedures can be done in two ways: traditional and laparoscopic Traditional RGB is performed through open surgery with one long incision. Laparoscopic Roux-en-Y gastric bypass uses a thin instrument called laparoscope so that the surgeon can view the inside of the abdomen on a TV monitor. Laparoscopic RGB produces less scarring and lets the patient recover faster after gastric bypass. Laparoscopic gastric bypass is inherently safer than the old style of bariatric surgery where the abdomen is cut open.
Techniques involved may include retrograde cholangiopancreatography percutaneous,hernia herniorrhaphy, bowel colectomy.
Biliopancreatic diversion bypass
Biliopancreatic diversion bypass is a more extensive bypass operation. The aim of this complicated gastric bypass is a smaller stomach. The procedure removes the lower portion of the stomach and a small pouch is left to connect directly to the final segment of the small intestine. This procedure bypasses both the duodenum and jejunum to cause malabsorption of nutrients. Like to Roux-en-Y gastric bypass, biliopancreatic diversion bypass is employed through open surgery and with one long incision. It leaves a permanent scar. It is not as widely used as RGB because of the risk for nutritional deficiencies.
Advantages of Gastric Bypass Surgery
People who undergo bariatric weight loss surgery can achieve significant loss in excess body weight in 2 years post operative gastric bypass. Since a large section of the stomach is bypassed, only a small pouch is left that severely restricts the amount of food that the person can consume. The food that is consumed must be rich in protein and highly nutritious so that dietary requirements are met. The person will most likely be unable to tolerate sugars and carbohydrates which contribute to weight loss. It is important to keep an eye on total food intake. Probiotics after surgery may be also be necessary to restore intestinal flora.
Gastric bypass also has positive effects following gastric bypass on common weight-related health problems such as heart disease, hypertension and diabetes. Venous thromboembolic disease in legs is also significantly reduced in risk. Post operative patients with Type 2 diabetes has been known to improve after the surgery. Patients should beware of nosocomial infection such as flesh eating staph and always follow doctors orders!
If you seem to have problems acheiving ideal body weight, have symptoms like obstructive sleep apnea, and are morbidly obese. Gastric Bypass Surgery may be your answer. Call your loacl bariatric surgery center. If you have questions on gastric bypass surgery still, speak with your doctor if you are wanting to undergone gastric bypass.
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