Classification of Bariatric Weight Loss Surgery Procedures

There are a number of surgical options available to treat obesity, each with their advantages and pitfalls. Generally Weight Loss can be accomplished through bariatric surgery , but one must consider operative risk (including mortality or death) and side effects. Usually, these procedures can be carried out safely.
Bariatric surgery can be grouped into 3 main categories.

A. Predominantly malabsorptive procedures
1. Biliopancreatic diversion
2. Jejuno-ileal bypass

B. Predominantly restrictive procedures
1. Vertical Banded Gastroplasty
2. Adjustable gastric band
3. Sleeve gastrectomy

C. Mixed procedures
1. Gastric bypass
2. Sleeve gastrectomy with duodenal switch
3. Implantable Gastric Stimulation