Complications of the Biliopancreatic diversion with duodenal switch

  • Fat malabsorption results in diarrhea and foulsmelling gas in approximately 30% of patients.
  • The potential nutritional deficiencies mandate frequent follow-up visits, with close monitoring and supplementation of multivitamins and minerals.
  • Malabsorption of fat soluble vitamins (vitamins A, D, E, and K)
  • Vitamin A deficiency, which causes night blindness
  • Vitamin D deficiency, which causes osteoporosis
  • Iron deficiency
  • Protein-energy malnutrition (may require a second operation to lengthen the common channel)