Comparison With Other Bariatric Surgeries
Unlike more open forms of weight loss surgery (e.g. Roux-en-Y gastric bypass surgery (RNY), Biliopancreatic Diversion (BPD) and Duodenal Switch (DS)), gastric banding does not require cutting or removing any part of the digestive system. It is removable, requiring only a laparoscopic procedure to remove the band, after which the stomach usually returns to its normal pre-banded size so it is not unusual for a person to gain weight after having a band removed. However, it is not entirely reversible as adhesions and tissue scarring are inevitable. Unlike those who have procedures such as RNY, DS, or BPD, it is unusual for gastric band patients to experience any nutritional deficiencies or malabsorption of micro-nutrients. Calcium supplements and Vitamin B12 injections are not routinely required following gastric banding (as is often the case with RNY, for example). Gastric dumping syndrome issues also do not occur since intestines are not removed or re-routed.
Typically, patients who undergo adjustable gastric banding procedures lose less weight over the first 3.5 years than those who have RNY gastric bypass, BPD, or DS surgeries. Although other procedures appear to result in greater weight loss than adjustable gastric banding in the short term, results from the study by Maggard suggest that this difference decreases significantly over time. Gastric banding patients lose an average of 47.5% of their excess weight, according to a meta analysis by Buchwald.
It is important to note that, in order to maintain their weight reduction, patients must carefully follow post-operative guidelines relating to diet, exercise, and band maintenance. Weight regain is possible with any weight loss procedure, including the more radical procedures that initially result in rapid weight loss. The National Institutes of Health recommendation for weight loss is 1 to 2 pounds (½ to 1 kilogram) per week, and an average banded patient may lose this amount. This is variable based on the individual and their personal circumstances, motivation, and mobility.
Read more about this topic: Adjustable Gastric Band
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