Why Roux-en-Y Gastric Bypass Remains the Gold Standard in Bariatric Surgery

Roux-en-Y gastric bypass remains the gold standard of bariatric surgery. Obesity and nutrition expert Caroline Apovian, MD, explains why and how it differs from the 3 other types of weight loss surgery.

Obesity and nutrition expert Caroline Apovian, MD, explains the 4 types of bariatric surgery, the essential differences in how each affects levels of regulatory peptides that communicate satiety to the brain, and why Roux-en-Y gastric bypass remains the gold standard.


Caroline M. Apovian, MD, is professor of medicine and pediatrics, in the section of endocrinology, diabetes, and nutrition at Boston University School of Medicine and the director of the Center for Nutrition and Weight Management at Boston Medical Center.

Bariatric surgery, Roux-en-Y gastric bypass, Caroline Apovian, MD

Caroline Apovian, MD

Dr. Apovian is an internationally recognized authority on nutrition, metabolism, and obesity medicine and has been in the field for nearly 3 decades.

Her current research interests are in: weight loss/gain and its effects on adipose tissue metabolism and inflammation, obesity and cardiovascular disease (CVD), resolution of diabetes and CVD in the bariatric surgery population, disparities in the treatment of obesity in underserved populations and novel pharmacotherapeutic agents for the treatment of obesity.

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