Increased risk of OGTT-induced hypoglycemia after gastric bypass in severely obese patients with normal glucose tolerance

Background Hypoglycemic episodes are described after bariatric surgery. Objective: To report the prevalence of hypoglycemia after a 75 g oral glucose load (OGTT) after Roux-en-Y gastric bypass (RYGB) and adjustable gastric banding (LAGB), and to identify predicting factors. Setting: Bariatric surgery referral center. Methods Prospective cohort of 351 consecutive patients before and 12 months after bariatric surgery, on whom an OGTT was...