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Gastric Bypass Surgery


Gastric Bypass Surgery via the Roux-en-Y procedure is generally considered to be the best surgical procedure for the treatment of morbid obesity. Weight loss is achieved by reducing the functional portion of the stomach to a pouch one ounce or less in size, and by creating a stoma, a small opening between the stomach and the intestine.A New Year...A New Life...A new YOU! Click here to get started!

After the gastric bypass procedure, a small size of the stomach pouch causes the patient to have a sensation of fullness after eating only a small portion of food. The small stoma delays stomach emptying, making the sensation of fullness last longer. These are called the Restrictive components of the procedure.

The limb of intestine coming down from the small pouch is called the Roux limb. The limb of intestine coming down from the bypassed portion of the stomach can be called the Biliary or Bypassed limb. The remaining portion of the intestine is called the Common Channel.

Food does not pass down the Bypassed limb, only the Roux limb and the Common Channel. The longer the Bypassed limb, the less the length of intestine actively working to absorb nutrients from the food that is eaten. Digestive juices that normally help absorb nutrients from the food enter the Bypassed limb from the larger portion of the stomach, the liver, and the pancreas, and pass down the Bypassed limb to the Common Channel. These juices do not mix with the food while it is passing down the Roux limb. The longer the Roux limb, the longer the portion of intestine trying to absorb nutrients without the benefit of these digestive juices. Both of these changes result in less absorption of nutrients and contribute to weight loss, and are called the Malabsorptive components of the procedure.

Exactly how the operation is done for an individual patient depends on their individual anatomy, their general health status, whatever changes they may have from prior surgeries, and what they hope to be achieve from the operation. The stomach compartments can be completely divided from each other or simply partitioned, the small stomach pouch and the intestinal limbs may be connected to each other with either staples or sutures, a small band may be placed around the stomach pouch, and the two intestinal limbs may be made longer or shorter.Gastric Bypass Surgery Illustration

Risks of Gastric Bypass Surgery

If you are considering having the gastric bypass surgical procedure done, it is important that you understand the risks involved. At the time a decision is made to have the surgery, you will be asked to sign a consent form stating you understand all the risks involved. You are encouraged to ask any questions at the time of your consultation. Some of the risks are as follows:

  • Bleeding

  • Infections

  • Follow-up surgeries to correct complications, or to remove excess skin

  • Gallstones due to significant weight loss in a short amount of time

  • Gastritis (inflammation of the lining of the stomach)

  • Vomiting from eating more than the stomach pouch can hold

  • Iron or vitamin B12 deficiencies (if they occur) can lead to anemia

  • Calcium deficiency (if it occurs) can contribute to the development of early osteoporosis or other bone disorders

Advantages of Gastric Bypass Surgery

The benefits of the gastric bypass procedure very much outweigh the risks. 75% of patients are expected to lose 75 to 80% of their excess body weight. Well over 70 to 80% of patients with hypertension will be off medications and well over 90% of patients with type II non-insulin dependent diabetes mellitus are expected to be off medication. Drastically improved, if not completely resolved includes sleep apnea, asthma, joint pain, arthritis, reflux, fatigue, shortness of breath and an overall increased sense of well-being.

There is expected to be a significant reduction in risks of heart disease, pulmonary disease and cancers. Morbid obesity can reduce the lifespan as much as 20% in a given patient, depending on their age and co morbid problems. There is also a significantly improved quality of life and self-esteem in patients who have undergone gastric bypass procedure for weight loss.

To learn more about the gastric bypass surgical procedure visit:



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Obesity treatment options  l  Obesity surgery  l  Weight loss options  l  Contact Us

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