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Gastric Bypass

The gastric bypass, or Roux-en-Y Gastric Bypass, is the oldest and most commonly performed bariatric procedure. It consists of cutting and stapling the stomach to create a smaller pouch while also re-routing the intestines. The gastric bypass helps patients lose weight by restricting the amount of food a patient can consume and by creating a malabsorptive effect. We also believe this procedure will recalibrate the body's metabolic set point. 

Gastric bypass patients report an early sense of satiety and fullness, reducing the amount of calories a patient will consume and thus helping them to lose weight. The gastric bypass is a reversible procedure and can be revised to another procedure if needed.

How it Works

During the operation, the surgeon will divide the stomach into two parts—the small gastric pouch at the top and the larger disconnected section at the bottom. The small intestine is then divided a few feet from the stomach and brought up to meet the small gastric pouch.  

The new, smaller stomach is now about the size of an egg. As a result, patients will feel full faster, thereby eating less. Also, when food bypasses the stomach, this causes fewer calories and nutrients to be absorbed, creating a malabsorptive effect. Additionally, we believe that by diverting food away from the upper part of the intestines (duodenum) will recalibrate the body's metabolism through hormonal mechanisms. 

The gastric bypass surgery takes about 1 hour to perform and patients can expect to stay at the hospital for 24 to 48 hours after surgery. Depending on the type of work performed, patients will be able to return to work within 2 to 4 weeks from surgery. 


Patients who have gastric bypass surgery can expect to lose 70 to 75% of their excess body weight within the first year. About 75% of patients who undergo gastric bypass surgery are able to keep off at least 50% of their excess weight for 10 years or longer.
*Excess body weight is the percentage of how much weight was lost based on how much you have or want to lose.
Improvement or resolution of serious medical conditions
Long term cost savings as a result of reduced medical care
Improvement in overall health and quality of life


Before considering any surgical procedure, you should be familiar with the potential risks.
Minor complications that are uncommon and can be managed fairly easily:
  • Minor wound or skin infection
  • Excess / loose skin 
  • Vomiting or nausea
  • Acid reflux (heartburn)
  • Changes in bowel habits like constipation, diarrhea, bloating, cramping, or gas
  • Gastric ulcer or anastomotic stricture
  • Development of gallstones or gallbladder disease
  • Nutritional deficiencies as a result of food bypassing the stomach
  • Dumping syndrome when high sugar foods move too fast from the stomach to the small intestine 
Major complications, that could result in re-operation:
  • Internal Bleeding
  • Intestinal obstruction
  • Blood clots in the legs or lungs
  • Internal hernia
  • Perforation of stomach/intestine or leakage