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Gastric Bypass Surgery Options: Which Will You Choose?

If you are reading this, your BMI is probably 35 or above and your health is starting to suffer from prolonged obesity. You have exhausted every diet and weight loss trick that you know and are ready for the type of change that brings about permanent weight loss results and a results in a better quality of life.  You’re considering Gastric Bypass Surgery but which procedure will you choose?

Your Three Choices for Gastric Bypass Surgery

Once you have decided to find out more about weight loss surgery and what it can do for your health and happiness, the next step is to discuss which procedure best suits your lifestyle with your Bariatric doctor. Consider these three Gastric Bypass variations, listed below:


Proximal Roux-en-Y

The most common Gastric Bypass surgery and Bariatric procedure in the United States is called the Proximal Roux-en-Y, designed to make the patient feel full after just a few small bites.  During this procedure, Bariatric surgeons divide the small intestine almost directly (45cm) below the stomach’s lower outlet.

The intestine is then repositioned, creating a Y configuration that allows food to flow from a tiny upper stomach pouch formed by the Bariatric surgeon. The Y intersection is placed close to the proximal portion of the intestine while the Roux limb (80-150 cm) is preserved to absorb nutrients needed by the body. 

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Distal Roux-en-Y

Another type of Gastric Bypass used by Bariatric surgeons with great success is the Distal Roux-en-Y.  This procedure uses the same basic steps as listed above but with one major change: the Y connection is moved further down the gastrointestinal tract, closer to the distal area of the small intestine. 

This reduces the food and nutrient absorption rate, causing unabsorbed food to pass into the large intestine where it will become waste. While some vitamins and minerals will be lost in the malabsorption, it is mostly starches and fats that will be converted to waste via the large intestine. 

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Mini-Gastric Bypass

Considered to be a simple technique, the Mini gastric Bypass offers a viable alternative to the Roux-en-Y procedure while eliminating some of the adversities caused by Bariatric surgery.  With less risk of complications and impressive weight loss results, more and more Bariatric patients are opting for this weight loss surgery.

Developed in 1997 by Dr. Robert Rutledge, the Mini Gastric Bypass (MGB) is a modification to another Bariatric procedure popular among surgeons, the standard Billroth II. The Mini Gastric Bypass requires the creation of a long narrow tube of the stomach, placed along the right border. Next, the small gut is looped and fastened to the tube near the beginning (180 cm) of the intestine.

According to numerous studies, applying the loop on the lowest part of the stomach delivers the best results while reducing the possibility of bile/acid reflux. Additionally, positioning too close to the esophagus delivers negative results. Loops are also used in other types of medical procedures such as in the treatments of stomach cancer, ulcers and various stomach injuries. 

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