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Gastric Bypass Operations for Weight Loss Surgery: Things You Need to Know
Gastric bypass is a type of weight loss surgery performed to cut down food intake. In gastric bypass operations, a small stomach pouch is created to limit food intake and bypasses are constructed on segments of the small intestine to decrease its ability to absorb nutrients from food. Gastric bypass is an extensive procedure performed under general anesthesia and takes up to four hours to complete.
How is gastric byspass performed? There are currently two techniques for gastric bypass: (1) Roux-en-Y-gastric bypass or RGB and (2)biliopancreatic diversion bypass
Roux-en-Y gastric bypass
In the United States, Roux-en Y gastric bypass (RGB) is the most commonly employed gastric bypass procedure because it is less complex and least likely to result in nutritional difficulties.In the procedure, a small stomach pouch is created by stapling part of the stomach together to limit food intake. A Y-shaped section in the small intestine is then attached to the pouch to reduce calorie and nutrient absorption. This is known as stomach stapling.
Roux-en-Y gastric bypass can be done traditionally or by laparoscopy. Traditional Roux-en-Y is performed through open surgery with one long incision. Laparoscopic RGB on the other hand uses a thin instrument called laparoscope that allows the surgeon to clearly view the inside of the abdomen on a TV monitor. This procedure causes less scarring and lets the patient recover faster.
Biliopancreatic diversion bypass (extensive gastric bypass)
Biliopancreatic diversion bypass is more extensive than RGB.It is a complicated gastric bypass that aims for a smaller stomach. The procedure removes the lower portion of the stomach and a small pouch is left to connect to the final segment of the small intestine. This reduces the ability of the small intestine to absorb nutrients. Similar to RGB, biliopancreatic diversion bypass is employed through open surgery and with one long incision. It leaves a permanent scar. This procedure is not as widely used as RGB because of the high risk for nutritional deficiencies.
Benefits of Gastric Bypass
Those who undergo bariatric surgery or weight loss surgery can achieve significant weight loss in two years since a large section of the stomach is bypassed 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.
Gastric bypass surgery also has positive effects on weight-related health concerns such as heart diseases and high blood pressure. Type 2 diabetes can also be eradicated by gastric bypass surgery.
Weight Loss Surgical Tactics Bariatric Bypass
