Table 9

The late complications (>30 days) following RYGB and VSG29 30

Operation Late complications
RYGBGastro-jejunal anastomotic marginal ulcer (8%), gastro-jejunal anastomtic stricture (7%), malnutrition of vitamins and minerals (up to 50%), dumping syndrome (up to 50%), gallstones (symptomatic in 2%), internal hernia or small bowel obstruction (4%).
VSGGastro-oesophageal reflux disease (33%), gastric dilatation, gastric stenosis leading to gastric outlet obstruction (1–4%), gastric leak.
  • Prevalence where known is included in brackets.

  • RYGB, Roux-en-Y gastric bypass; VSG, vertical sleeve gastrectomy.