Skip to Main Content

Roux-en-Y Gastric Bypass Surgery

The journey to a healthy new you starts at CHI Saint Joseph Health. Our surgeons specialize in a wide variety of weight loss surgery options, including gastric bypass surgery (also called Roux-en-Y). They often perform the procedure laparoscopically, which means you may be home in as little as 48 hours and back to normal activities within a week.

Learn more below. Then view our free weight loss surgery seminar. It’s a great chance to hear from the team, learn more and see if a procedure can help you find life-changing results.


About Gastric Bypass

Roux-en-Y gastric bypass has long been considered the “gold standard” procedure by the American Society for Metabolic and Bariatric Surgery and the National Institutes of Health (ASMBS), and is the most frequently performed weight loss surgery in the U.S.

During the procedure, gastric or stomach stapling creates a small, thumb-sized stomach pouch. The remainder of the stomach is not removed, but is completely divided from the pouch. The small intestine is divided about 18 inches below the stomach, and is rearranged to provide an outlet to the small stomach, while maintaining the flow of digestive juices.

Food enters the second part of the small bowel within about 10 minutes of beginning the meal. There is very little interference with normal absorption of food. The technique works by reducing food intake and reducing the feeling of hunger. The result is an early feeling of fullness, followed by a profound sense of satisfaction.



  • Fastest and highest weight loss compared to gastric banding and gastric sleeve (over 80% average weight loss of excess body weight one year after surgery)
  • Over 80% of people with type 2 diabetes enjoy remission; also highly effective at relieving or eliminating hypertension and other serious obesity-related conditions


  • Not reversible like gastric banding
  • Possible nutrition and vitamin deficiency
  • Dumping syndrome (nausea, vomiting, sweating, abdominal pain, diarrhea) may occur from consuming highly concentrated sweets


Find a Weight Loss Surgery Location

For more information about gastric bypass programs near you, explore a location:

Online Weight Loss Surgery Seminar

Weight Loss Surgery Assessment

Learn if you qualify for weight loss surgery with our free online assessment.

Find a Provider

Find a primary care provider or specialist near you in our extensive network of clinics and hospitals.

Nationally Recognized Bariatrics Program

MBSAQIP Accredited Center