Weight loss surgeries, or bariatric surgeries, are an easier and effective method of weight loss. Weight loss surgeries lower the risk of medical problems associated with being overweight and obese. This is how bariatric surgery contributes to weight loss:
Restriction: Weight loss surgeries help physically reduce the amount of fat your stomach holds, limiting the calories you can consume.
Malabsorption: Surgeries help shorten or bypass a section of the small intestine, which again reduces calorie intake.
Some of the most common types of weight loss surgery are:
- Roux-En-Y Gastric Bypass
Roux-en-Y gastric bypass is a type of bypass surgery in which the surgeon creates a small pouch inside the top of your stomach. This small pouch becomes the only place where the stomach can now store food hence this greatly reduces the calorie intake. The small intestine is now linked to the small pouch so there is no effect on digestion and the body continues to function normally.
Candidates for This Surgery: Candidates for this type of weight loss surgery should be morbidly obese and face other major health problems. Generally, this surgery is opted for by people who can no longer lose weight by any other method apart from surgery.
- Duodenal Switch with Biliopancreatic Diversion
In this procedure, the surgeon removes a large part of the stomach. The valve of the small intestine is left along with the duodenum. The surgeon now performs a procedure called the duodenum switch in which he attaches the last part of the intestine directly to the duodenum. The removed section is not taken out from the body. Instead it is reattached to the end of the intestine. As a result of this surgery, food now directly passes to the small intestine, limiting the amount of absorption of calories and nutrients in the body. The smaller size of the stomach further helps you lose weight more efficiently.
Candidates for This Surgery: People with a BMI of over 55 are considered eligible for this procedure.
- Sleeve Gastrectomy
In this type of weight loss surgery, a part of the stomach is removed and separated from the body. This greatly reduces the capacity of the stomach, leading you to consume fewer calories. The smaller stomach thus becomes unable to hold a great amount of food, aiding in weight loss.
Candidates for This Surgery: People with a BMI greater than 40 and who face serious weight issues.