With the Biliopancreatic Diversion with Duodenal Switch (BPD-DS), about 50-60% of the stomach is removed and the duodenum is detached from the stomach. These maneuvers provide a smaller stomach capacity and also metabolic re-balancing for reduced appetite. The intestines are surgically connected so that digestive juices mix with food only a short distance upstream from the colon. The reduced absorptive area causes a significant portion of food to pass into the colon and then to be excreted with frequent and sometimes foul-smelling bowel movements.

The BPD-DS is accomplished laparoscopically (minimally invasive) in most cases. Patients usually go home after 2-3 nights in the hospital, and go back to work 2-4 weeks after surgery.

Long term bariatric follow up and long term supplement intake are important for all bariatric operations, but vitamins are especially important with the BPD-DS. Patients who don’t take the right supplements incur significant risk of medically serious conditions due to vitamin deficiency.

Results vary from patient to patient, but on average patients lose 100-300 pounds after a BPD-DS. The percentage of improvement in obesity-related medical problems is even higher than with Gastric Sleeve or Gastric Bypass, but close lifetime follow up is absolutely required.


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