Abstract
This article aimed to present possible postoperative complications that develop late after bariatric surgery by gastric by pass technique with Roux-en-Y anastomosis (BGYR) and the factorsthat make it possibleto minimize these complications to results in a favorable prognosis. The study high lights the importance of this invasive intervention for the treatment of obesity and over weight, since they are increasing problems and are strongly linked to comorbidities that influence the morbidity and mortality of the affected population. Relevant aspects of general bariatric surgical procedures are discusse dregarding evaluation classifications, characteristics and recommendations –indications and contraindications - for admission of surgery. The focus of the work was turned to the BGYR technique, who sesurgical procedure is presented in more detail, in addition to the demonstration of the main clinical manifestations, diagnosis and how recurrent late postoperative complications are developed. Relevant factors are seen that assist in there cognition of these complications, as well as interventions and forms of prevention that are important for a good result of the technique. Finally, we consider the importance of the procedure and the questions raise dregarding complications and the correct management, aiming to contribute positively to the approach.