Researchers analyzed 59 studies to compare how two common types of weight loss surgery affect hormones. They looked at patients who underwent Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG). The goal was to see how each procedure changes the body's metabolic signals.
The study found that RYGB leads to sustained increases in GLP-1 and PYY, while GIP levels steadily decline. In contrast, sleeve gastrectomy results in a durable suppression of ghrelin and an earlier rise in adiponectin. Both procedures caused leptin levels to drop, but the decrease was larger following the gastric bypass.
Because these two surgeries change hormones in different ways, doctors may use these profiles to help choose the best procedure for a patient's specific metabolic needs. While the results show distinct hormonal paths for each surgery, patients should talk to their medical team to understand how these findings apply to their personal health goals.
Common questions
How do these two surgeries differ in their effects on hormones?
The two procedures affect the body differently. Roux-en-Y gastric bypass (RYGB) leads to sustained increases in GLP-1 and PYY, while GIP levels decline. Sleeve gastrectomy (SG) results in a durable suppression of ghrelin and an earlier rise in adiponectin. Both surgeries cause a drop in leptin, though the drop is larger after RYGB.
What are GLP-1 and PYY hormones?
GLP-1 and PYY are hormones that play a role in metabolism and appetite. The study found that these specific hormones show sustained increases following Roux-en-Y gastric bypass surgery, which helps doctors understand the metabolic profile of different weight loss procedures.
How can this information help patients?
Because each procedure creates a unique hormonal profile, these findings may help doctors choose the best surgical option based on a patient's specific metabolic characteristics. You should speak with your doctor to discuss which surgery is right for your health.
