Gastric Bypass

The Roux-en-Y gastric bypass consists of creating of a small, 15–30 cc, thumb-sized pouch from the upper stomach, that gets completely disconnected from the remaining stomach (which is thus bypassed).   The small intestines are then connected directly to that pouch in a Y configuration.  Although this "Roux-en-Y" reconstruction configuration is the most common, other variations are available with different pros and cons to them.  Occasionally, the amount of small intestine that is bypassed is increased to allow for further reduction in food absorption and more weight loss (distal gastric bypass).

The surgery is done laparoscopically or robotically which allows for minimal pain and a very fast recovery.

The Gastric Bypass allows patient to feel full quickly with small amounts of food.  The Gastric Bypass surgery is a very well established procedure that is considered the "gold standard" in bariatric surgery and numerous long term studies are available demonstrating its safety and efficacy.  On average, individuals lose about 70% of their excess weight by one year after Gastric Bypass surgery and the majority of them keep weight off long term.

The Gastric Bypass results in resolution or significant improvement in all obesity related medical illnesses such as diabetes mellitus, high blood pressure, sleep apnea, etc.  It is particularly effective in diabetes due to the effects it has on the hormones in the body.  The Gastric Bypass is also very effective in resolving heartburn and is usually our recommended procedure for patients with significant gastro-esophageal reflux disease (GERD).

What are the main disadvantages of the gastric bypass?

Because of "re-routing" of the intestines, the gastric bypass carries a higher risk of deficiencies in certain vitamins and minerals.  Intestinal obstruction may occur due to twisting in the intestines. Patients should avoid aspirin and non-steroidal anti-inflammatory medications in order to reduce the risk of stomach pouch ulcers.  Patient may develop dumping syndrome, which consist of a host of symptoms such as heart racing, flushing, cold sweats, diarrhea, etc when patients consume sugary foods. 

How long will I need to recover from a gastric bypass?

Most patients can return home one or two days following surgery, as long as they are able to drink liquids comfortably and stay hydrated.  Patients are encouraged to walk and stay active immediately after surgery and as tolerated.  Depending upon their general health and their job, most patients are ready to go back to work within two weeks after surgery.