Background : DiaRem score consists in preoperative model for predicting remission of type 2 diabetes mellitus in obese patients who underwent gastric bypass. Aim : To evaluate the applicability of DiaRem comparing the scores obtained preoperatively with remission of T2DM after surgery. Method : Preoperative parameters such as age, use of insulin, oral hypoglycemic agents and glycated hemoglobin, were retrospectively evaluated in diabetic patients undergoing gastric bypass during the period between July 2012 to July 2013. Through these data the DiaRem score were applied. The results of fasting blood glucose and glycated hemoglobin were requested prospectively. Results : Were selected 70 patients; the remission of T2DM after surgery was found in 42 (60%) and no remission in 28 (40%). Checking the final score, it was observed that: from 0 to 2 points, 94.1% of patients remitted completely; between 3 and 7 had remission in 68.9%, of which 42.8% complete; from 8 to 12, 57.1% achieved complete remission; between 13 to 17, 87.5% did not achieve remission and was not seen this complete remission group; between 18 to 22, 88.9% were not remitted. Conclusion : The DiaRem score showed appropriate tool to assess remission of T2DM in obese patients who will undergo gastric bypass.

Background The gastric bypass has nutritional and electrolyte disturbances rate of approximately 17%. The most common deficits are protein malnutrition, ferric and zinc, in addition to the vitamin. Although rare, some malnutrition stages reach such severity that ends up being necessary hospitalization and sometimes revisional or reversal surgical procedures.Aim: To present a proposal of surgical revision for treatment of severe malnutrition after bariatric surgery.Methods: The procedure is to reconstitute the food transit through the duodenum and proximal jejunum, keeping the gastric bypass restrictive component. As an additional strategy, the gastric fundus resection is performed, aiming to intensify the suppression of the greline and avoiding excessive weight regain.Results: After initial stabilization, nutritional and electrolytic support, the procedure was performed in two patients as definitive treatment of malnutrition status. Good results were observed at one year follow up.Conclusion: As improvement option and/or resolution of the nutritional alterations, surgical therapy is one of the alternatives. There is still no consensus on the surgical technique to be performed. This procedure is based on pathophysiological factors for the treatment of this condition, with good initial results, without significant clinical alterations. Longer follow-up will determine its effectiveness.

Background: Among the options for surgical treatment of obesity, the most widely used has been the Roux-en-Y gastric bypass. The gastrojejunal anastomosis can be accomplished in two ways: handsewn or using circular and linear stapled. The complications can be divided in early and late. Aim:To compare the incidence of early complications related with the handsewn gastrojejunal anastomosis in gastric bypass using Fouchet catheter with different diameters. Method: The records of 732 consecutive patients who had undergone the bypass were retrospectively analyzed and divided in two groups, group 1 with 12 mm anastomosis (n=374), and group 2 with 15 mm (n=358). Results: The groups showed anastomotic stenosis with rates of 11% and 3.1% respectively, with p=0.05. Other variables related to the anastomosis were also analyzed, but without statistical significance (p>0.05). Conclusion: The diameter of the anastomosis of 15 mm was related with lower incidence of stenosis. It was found that these patients had major bleeding postoperatively and lower surgical site infection, and in none was observed presence of anastomotic leak.

Background : Hyperinsulinemic hypoglicemia with severe neuroglycopenic symptoms has been identified as a late and rare complication in patients submitted to Roux-en-Y gastric bypass. However, the potential gravity of its manifestations requires effective treatment of this condition. The absence of treatment makes it necessary to develop more effective clinical or surgical methods. Aim : To present one surgical option to revisional surgery in the treatment of hyperinsulinemic hypoglicemia Methods : The procedure consists in reconstituting alimentary transit through the duodenum and proximal jejunum, while keeping the restrictive part of the gastric bypass. As an additional strategy to maintain weight loss, is realized gastric fundus resection, aiming to suppress ghrelin production more effectively. Results : It was used in three patients with successful results in one year of follow-up. Conclusion : The procedure to reconstruct the food transit through the duodenum and proximal jejunum, keeping the restrictive component of gastric bypass in the treatment of hyperinsulinemic hypoglycemia showed good initial results and validated its application in other cases with this indication.