Sleeve Gastrectomy Failure—Revision to Laparoscopic One-Anastomosis Gastric Bypass or Roux-n-Y Gastric Bypass: a Multicenter Study

A total of 396 patients were included in the assessment of converting failed laparoscopic sleeve gastrectomy to either one-anastomosis gastric bypass or Roux-n-Y gastric bypass.

• Percent total body weight loss was 16% ± 1% for the Roux-n-Y gastric bypass group compared to 23% ± 12% for the one-anastomosis gastric bypass group at a median follow-up of 29 months.
• Gastroesophageal reflux disease was reported in 17.4% of patients who underwent one-anastomosis gastric bypass versus 7.6% in the Roux-n-Y gastric bypass group one year after conversion.
• The mean age of patients at the time of revision was 44.2 years, with a body mass index of 40.6 ± 5.9 kg/m².
• The majority of patients undergoing conversion were female, accounting for 73% of the total cohort.

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