Surgical Treatment for Morbid Obesity by Sleeve Gastrectomy Versus Gastric Bypass

Inclusion Criteria: * Patient aged from 18 to 60 years old * Patient having given his consent to the use of data from the project * Patient fulfilling the inclusion criteria for surgery of obesity according to the ANAES (french national health service) * Patient presenting one of the following criteria: * A morbid obesity strict with BMI\> 40 * A super obesity BMI\> 50 * A super super obesity BMI\> 60 * Obese patient in failure following the installation of a gastric banding with BMI\> 35 * obese patient 35\>BMI\>40 with a comorbidity * Preliminary agreement during the consultation of a psychiatrist / psychologist Exclusion Criteria: * Patient with complications or co morbidities associated involving life to less 6 months * Patient presenting no anaesthetic indication * Patient presenting no psychiatric indication for obesity surgery * Patient not affiliated with a social security scheme * Pregnant Patient likely to breastfeed in the first year