[Bariatric and metabolic surgery].

The prevalence of obesity and its comorbidities is constantly rising and is one of the most threatening global health and economic problems worldwide. Whereas bariatric surgery is well accepted in the treatment of morbid obesity, surgical treatment for ist comorbidities (metabolic surgery) such as type 2 diabetes mellitus, dyslipidemia and other diseases are still under discussion. A more profound knowledge of its physiologic mechanisms is crucial for the future implementation of the bariatric and metabolic surgery to treat obesity-related comorbidities.