Laparoscopic Roux-en-Y gastric bypass (LRYGB) is the gold standard in bariatric surgery. A long-term complication can be marginal ulceration (MU) at the gastrojejunostomy. The mechanism of development is unclear and symptoms vary. Management and prevention is a continuous subject of debate. The aim was to assess the incidence, mechanism, symptoms, and management of MU after LRYGB by means of a systematic review. Forty-one studies with a total of 16,987 patients were included, 787 (4.6%) developed MU. The incidence of MU varied between 0.6 and 25%. The position and size of the pouch, smoking, and nonsteroidal inflammatory drugs usage are associated with the formation of MU. In most cases, MU is adequately treated with proton pump inhibitors, sometimes reoperation is required. Laparoscopic approach is safe and effective.
Marginal ulcers occurred in 6.6% of the patients after a LRYGB. Smoking, the use of corticosteroids and the use of NSAIDs were associated with an increased risk of MU. Most patients were managed conservatively.
BackgroundAround 20% of bariatric surgery patients develop a short- or long-term complication.ObjectiveAim of this study was to develop a risk model predicting complications: the Bariatric Surgery Index for Complications (BASIC).SettingThe Obesity Center Amsterdam, located in a large teaching hospital, in Amsterdam, The Netherlands.MethodsA prospective consecutive database including patients operated between November 2007 and February 2015 was used. For the BASIC, analysis according to the TRIPOD statement was performed to identify risk factors for complications. Class I included patients with zero to one risk factor, class II patients with two risk factors, and class III patients with three or more risk factors.ResultsOf 1709 analyzed patients, mean age was 45 years (±SD 10.7), 1393 (81.5%) were female; mean body mass index was 44.5 kg/m2 (6.8). Overall, 271 (15.9%) patients developed a complication of which 197 (72.5%) occurred within 30 days. Predictors in multivariable analysis were use of anticoagulants (odd’s ratio (OR) 1.5); chronic obstructive pulmonary disease (OR 2.3); dyslipidemia (OR 1.4); gender (OR 1.4); psychiatric history (OR 1.3); and revisional surgery (OR 1.5). In class I, 13.5% (181 out of 1338) experienced complications, in class II 58 (21.6%) of the 269 patients and in class III 32 (31.4%) of the 102 patients, respectively. There was a significant difference (p < 0.001) in both overall and 30 day complications.ConclusionThe BASIC uses six preoperative variables to classify patients in a low-, intermediate-, or high-risk group for postoperative complications after bariatric surgery.
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