Important Facts On Gastric Banding And Sleeve Gastrectomy

By Martha Foster


Lifestyle changes are one of the most effective approaches in achieving weight loss. While their effect can be clearly appreciated in a majority of New York residents over time, there is a smaller group of people in whom these lifestyle changes alone cannot achieve the desired results. These people form the bulk of potential candidates for surgical weight loss procedures which include gastric banding and sleeve gastrectomy. The two operations are examples of bariatric surgery.

Bariatric operations are also termed restrictive operations. The reason as to why this is the case is due to their effect in reducing the stomach capacity. The amount of food that is eaten in one sitting is markedly reduced. There is early satiety and reduced food consumption. The reduced intake of food causes weight loss in subsequent weeks and months.

Gastric banding is achieved by use of a silicon band using laparascopic approach. When the band is slipped onto the upper part of the stomach (the fundus), it squeezes it to leave just a small outlet. The estimated capacity of this pouch is one ounce of food. Laparascopic procedures, use small entry points (ports) that result in smaller scars later on. This is in contrast to open surgeries in which large incisions have to be made.

The band is connected through a plastic tubing to an area just below the skin. The surgeon (or patient) can exert control on the pressure created by the band. When saline is injected through the tube, the pressure is increased which decreases the volume of the stomach further. This may be needed if the desired effects are not being seen. Drawing the saline achieves the reverse effect which is a reduction in the squeeze and an increase in the stomach volume.

Gastric banding has been shown to cause up to 50% in weight loss in a couple of months. The procedure is largely safe but a few side effects may be experienced. Such may include nausea and vomiting, wound infections or minor bleeding. Adjusting the tube often resolves the nausea and vomiting but removal of the tube may be needed if these effects are severe.

Sleeve gastrectomy involves the removal of a large part of the stomach to leave between 20 and 25% of the original. The resultant shape is tubular or sleeve-shaped (hence the name). Weight loss is mainly due to two effects. The first is the reduced volume which also reduces food intake and contributes to early satiety. The second is the increased transit time that reduces food absorption.

Sleeve gastrectomy is safe for use in children and adolescents. There are no adverse effects on growth for children aged less than fourteen years according to studies. The main side effects of this operation include leakage, aversion to food, vomiting, esophageal spasms and infections among others. With time, the stomach may dilate. This occurs over years and is rarely a cause for worry.

The two procedures are considered day cases in most centers. What this means is that you can go home on the same day of the operation. One can resume their normal daily routine within a day or two. Usually, one has to be on a light diet comprising of liquids and mashed up foods of about two weeks. This is followed by soft foods for another two weeks then the regular diet.




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