Roux-en-Y gastric bypass

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Roux-en-Y gastric bypass surgery reduces the size of your stomach so you do not eat as much. It also helps reduce and maintain weight loss by bypassing some of your small intestines so you absorb less fatty foods. Gastric bypass surgery is the only weight loss surgery with more than 20 years of research to show long-term weight loss maintenance. People typically experience 55-65 percent weight loss during the first year following gastric bypass surgery and a significant reduction in obesity-related complications including type 2 diabetes, high blood pressure, and sleep apnea.

Choosing a gastric bypass surgeon and bariatric clinic

We want you to feel confident in your decision to choose Duke's bariatric clinic for your roux en-y gastric bypass surgery. The bariatric surgeons in our bariatric clinic offer you:

  • Excellent patient outcomes. Our quality of care, years of experience performing bariatric surgery, comprehensive services, and positive patient outcomes are the reasons why our gastric bypass program is designated a Center of Excellence and Center of Distinction by the Metabolic and Bariatric Surgery Accreditation and Quality Improvement ProgramBlue Cross Blue Shield, OptumHealth and Cigna. Only weight loss surgery centers that meet their strict criteria are included among their distinguished bariatric centers.
  • Years of experience. Our board-certified bariatric surgeons who are fellowship-trained, meaning they have completed additional years of training in bariatric surgery. They perform approximately 800 bariatric surgeries each year and have been performing gastric bypass and other weight loss surgeries in the Triangle for more than 20 years. Studies show that surgical experience is an important indicator of your successful outcome.
  • A commitment to help you achieve your goals. Our gastric bypass doctors, physician assistants, psychologists, nutritionists, endocrinologists, nursing, and anesthesia teams work with you and your doctor to establish a successful weight loss plan.
  • The right weight loss surgery option for you. Your initial consultation will include an extensive physical exam and nutritional, psychological, and lifestyle evaluation to determine if gastric bypass or another weight loss surgery is right for you. We also carefully evaluate you for all related medical conditions. This often requires special studies and occasionally consultations from medical specialists. This information helps us recommend the safest, most effective weight loss surgery option for you.  
  • Scheduling your gastric bypass procedure. Scheduling depends on your individual circumstances and insurance requirements. Gastric bypass surgery typically occurs within weeks of the initial consultation.
  • Laparoscopic gastric bypass surgery. Laparoscopic surgery requires small incisions. We perform laparoscopic gastric bypass in nearly 99 percent of cases. We may use robotic tools to minimize incisions for more complex weight loss procedures that normally require larger incisions. Smaller incisions mean less pain, fewer complications, smaller scars, shorter stays, and faster recovery. Sometimes an abdominal incision is necessary based on your weight, body shape, and surgery history.
  • Post-surgery body contouring. If unwanted, loose skin and tissue hide the results of weight loss surgery, our skilled plastic surgeons smooth and shape your body and ensure you feel and look your best. 
  • Pre- and post-gastric bypass support. We offer free, monthly and weekly weight loss surgery support groups before and after gastric bypass and other weight loss surgeries. Topics include nutrition, exercise and lifestyle changes. You can talk to people with similar experiences in an educational and supportive setting. You can participate if your gastric bypass was not performed at Duke.

Comprehensive consultation

The journey to weight loss surgery includes several consultations to evaluate your medical condition and overall well-being. The consultations are typically scheduled to take place during your first visit to our bariatric clinic.


Several tests are needed to complete the medical evaluation. Tests can be completed at Duke Raleigh Hospital or Duke Regional Hospital, or your surgeon can order the tests at a location that is convenient to you.

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