[Bariatric surgery in the treatment of severe obesity].

Over the past ten years, the treatment of severe obesity has radically changed through the benefits of bariatric surgery not only on weight loss significant and lasting, but also on reducing mortality, correction of metabolic disorders, reduction of cardiovascular risk and improving the quality of life. Its indication should be multidisciplinary. Laparoscopy has become the rule, reducing the postoperative morbimortality. Four types of intervention are regularly performed in France. We report their principle, their results and major complications.