Bariatric surgery – time to replace with GLP-1?
2017
AbstractObesity with a body mass index (BMI) over 30 kg/m2 represents a significant risk for increased morbidity and mortality, with reduced life expectancy of about 10 years. Until now, surgical treatment has been the only effective longterm intervention. The currently standardized method of bariatric surgery, gastric bypass, means that many gastrointestinal peptide hormones are activated, yielding net reductions in appetite and food intake. Among the most important gut peptide hormones in this perspective is glucagon-like peptide-1 (GLP-1), which rises sharply after gastric bypass. Consistent with outcomes of this surgery, GLP-1 suppresses appetite and reduces food intake. This implies that GLP-1 has the potential to achieve a similar therapeutic outcome as gastric bypass. GLP-1 analogs, which are used for the treatment of type 2 diabetes mellitus, also lead to significant weight loss. Altered hormonal profiles after gastric bypass therefore indicate a logical connection between gut peptide hormone leve...
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