What are late complications of Roux-en-Y gastric bypass bariatric surgery?

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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Late complications (less frequent and less dramatic than with gastric banding) of the Roux-en-Y procedure are as follows:

  • Stomal stenosis, most common (20%)
  • Bowel obstruction, small bowel obstruction (1%)
  • Internal hernia
  • Cholelithiasis
  • Micronutrient deficiencies
  • Marginal ulcer
  • Staple line disruption
  • Ventral hernia formation (more prevalent after open approach)

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