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The laparoscopic Roux-en-Y Gastric Bypass leads to weight loss through two mechanisms: restriction and malabsorption. 

The restriction is done by reducing the size of the stomach, limiting the amount of food you can eat before you feel full. Malabsorption occurs as a portion of the small intestine is bypassed, reducing the amount of food the body will absorb. It’s important to note that malabsorption simply means consumed calories will have less of an impact. Malnutrition, on the other hand, is produced by bypassing too much of the small intestine. This operation is considered “the gold standard” for weight loss surgery given its length of existence and extensive use since 1967.

A small stomach pouch (about the size of a medium egg) is created with a stapler device. The small intestines are divided; one end is brought up and connected to the small stomach pouch using the stapler. The intestines are reconnected further downstream.

Dr. Josh Roller, Dr. Yong Kwon, Dr. Jaime Dutton, Dr. Jessica Pries, and Dr. Noe Rodriguez typically performs this procedure laparoscopically 99% of the time, aiming to avoid a large incision in the abdomen. It is extremely rare for our surgeons to have to perform open weight loss surgery. Most of our patients stay for one night in the hospital. They are able to go back to work in a week’s time and have less than a 1% wound complication rate.

Expected Weight Loss from ROUX-en-Y Gastric Bypass Surgery

Patients generally lose between 65-80% of their excess weight. The exact amount of weight lost depends on your preoperative body mass index (heavier people lose more weight), compliance with dietary instruction, and increasing your activity levels (exercise). Commitment to proper food choices, nutritional supplementation, and increased activity is essential to maximizing and maintaining your weight loss in the long-term. Failure to make these commitments can lead to weight regain.

The first step your weight loss journey is to register for one of our weight loss seminars.

*Results may vary person to person.


Are you ready to take the first step on the road to a longer, healthier life? Attend one of our FREE online seminars to learn more about our weight loss program and which path may be right for you.