How are the complications of bariatric surgery managed?

Updated: Feb 16, 2021
  • Author: Alan A Saber, MD, MS, FACS, FASMBS; Chief Editor: John Geibel, MD, MSc, DSc, AGAF  more...
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Because the biliopancreatic diversion with duodenal switch procedure is less well known, the complications are potentially more problematic if the surgeon is unfamiliar with the procedure.

Fat malabsorption results in diarrhea and foul-smelling 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 (similar incidence to Roux-en-Y gastric bypass procedure)
  • Protein-energy malnutrition (may require a second operation to lengthen the common channel)

In a case series and national database study, Ungaro et al found bariatric surgery to be associated with an increased risk of new-onset inflammatory bowel disease. [45]

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