This procedure is also known as biliopancreatic diversion with duodenal switch (BPD-DS) or simply, the duodenal switch.

Duodenal Switch – How It Works

In this procedure, both the stomach and intestines are altered. Most of the stomach and cells containing ghrelin are removed. The remaining portion of the stomach is stapled off, creating a 3-5 ounce pouch.

The intestines are divided and rearranged to separate food from the digestive juices for a good portion of its journey. Food bypasses 40-60 percent of the small intestine, and mixes with digestive juices farther down the intestines. This prevents the body from absorbing all of the calories that are eaten.

Ideal Candidate for Duodenal Switch

• Has BMI >50 kg/m2.
• People with poorly controlled diabetes or insulin-dependent diabetes.

Duodenal Switch – Benefits

• Most powerful weight loss operation.
• Most effective procedure for people with diabetes.
• 1-2 hour procedure with 1-2 night hospital stay.
• Recovery time ranges from a few days to several weeks.
• Stomach resection may reduce hunger by eliminating hunger-causing hormones.

Duodenal Switch – Considerations and Risks

• This surgery is performed less frequently than other weight loss surgeries due to the higher risk of nutritional deficiencies.
• Some preoperative weight loss is recommended.
• Stomach removal is permanent; intestinal bypass may be reversed.
• Potential complications include diarrhea, protein and vitamin deficiencies, and intestinal blockages.