Different bariatric surgery: gastric banding, gastric bypass gastric ball
Last week the TV program issued a special chapter on diets “Always on a diet” and a part of the program was devoted to different bariatric surgery procedures carried out today. Today we review the three most important: adjustable gastric banding, gastric bypass and gastric balloon.
We should note that this type of surgery always require a commitment from the patient’s nutritional rehabilitation, being necessary to follow medical advice of a diet after surgery. are indispensable changes in behavior, both at lunchtime and in the lifestyle, or otherwise results will not be maintained over time (is regained some or all of the lost weight).
First of all it should be mentioned that this type of surgery are performed in patients with severe obesity class II and morbid obesity. In addition, the candidate must have an index greater than 40 body mass and should have resulted ineffective sustainable weight loss long term by traditional methods (medical treatment with diet, exercise and even medication).
The different types of bariatric surgery
There are different types of bariatric surgery depending on whether it is restrictive, malabsorptive or mixed media. The gastric band and gastric balloon belong to the restrictive technique (reduced stomach capacity), while gastric bypass is a mixed technique (reduces the stomach capacity and disrupts the absorption of nutrients.
AGB: An inflatable band around the upper stomach, thereby reducing capacity and, therefore, the amount of food that can ingest and the speed at which pass through the stomach is placed. The problems that may arise (and spoken in the program that I have cited above) are the displacement of the band and reflux, requiring removal.
Gastric or BIB: By means of an endoscopy is introduced into the stomach flexible silicone ball. When filling the stomach with the ball a feeling of early satiety it occurs. Possible problems arising from this technique are esophageal or intestinal obstruction.
Gastric bypass: A gastric bypass surgery. On the one hand the ability of making smaller stomach is reduced, and the other connects this “new small stomach” directly to the small intestine. This gives us a feeling of fullness and also a reduced absorption of nutrients. Furthermore, pancreas insulin secretion decreases, but also reduces the production of ghrelin.
Nutritional rehabilitation after surgery
In all cases, periodic medical monitoring and nutritional rehabilitation is necessary. A multidisciplinary team should take over control of the patient: psychologists, psychiatrists, endocrinologists … Here I miss the figure registered dietician-nutritionist, who would be responsible for carrying out this nutritional rehabilitation of the patient.
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If the patient does not adhere to these new nutritional and living habits, also incorporating physical activity when the doctor deems it appropriate, it is quite possible that the weight is again recovered.