Extended Pouch Gastric Bypass vs One-anastomosis Gastric Bypass in Patients With BMI≥45

"Classic gastric bypass with 2 anastomoses but with an extended pouch of 12-15cm and a biliary limb of 150cm.~Patients will be single blinded randomized for one of the two procedures. 125 patients will undergo EPGB and 125 patients will undergo OAGB.~Pre-operatively, 6 months post-op and yearly post-op we will collect: weight, complications, revisions, comorbidities, blood samples and questionnaires."

"Gastric bypass with 1 anastomosis and an extended pouch of 12-15cm and a biliary limb of 150cm.~Patients will be single blinded randomized for one of the two procedures. 125 patients will undergo EPGB and 125 patients will undergo OAGB.~Pre-operatively, 6 months post-op and yearly post-op we will collect: weight, complications, revisions, comorbidities, blood samples and questionnaires."