What Are the Different Types of Bariatric Surgery?


Quick Answer

Four common types of bariatric surgery are duodenal switch with biliopancreatic diversion, sleeve gastrectomy, laparoscopic adjustable gastric banding and Roux-en-Y gastric bypass, states Mayo Clinic. These types of procedures enable a patient to effectively lose weight.

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What Are the Different Types of Bariatric Surgery?
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Full Answer

Bariatric surgery works by either limiting the stomach's capacity for food or by bypassing the length of the small intestine to minimize nutrient absorption. A combination of both methods can also be applied to promote weight loss.

As of 2015, Roux-en-Y gastric bypass is the most predominant form of bariatric surgery in the world, notes the American Society for Metabolic and Bariatric Surgery. In terms of results, this operation leads to a 60 to 80 percent reduction in excess weight, which the patient can enjoy for a long time.

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