Gastric Bypass

By gastric bypass, the surgeon creates a small stomach pocket (20-30 ml). The pocket acts as a small conduit between the esophagus and the intestine. When one is reoperated, it is relatively crowded in the connection between the small stomach pocket and the intestine. Gradually, this expands and makes it easier to increase the size of portions. One of the reasons why the portions are so small the first time after the gastric bypass is that the intestines must adapt to the calorie supply directly to the intestinal lining. If you eat too fast, too much or for energy-dense foods (fats and sugars), it will result in so-called dumping. Dumping is a physiological phenomenon in which liquids are drawn from the blood path to the intestines to separate food with excessive energy densities. Dumping occurs at approx. 75% of all patients who have been executed gastric bypass, but are declining with time. Another reason why you reduce the size of the portions after the gastric bypass, is that the signaling system for hunger and saturating changes. This can give a reduced appetite so that one has to remind himself to eat. The taste can also change, making altered taste preferences. One can, for example, be less light on fatty foods and more sensitive to matlukt. The amount of calories that can be taken up becomes somewhat smaller, especially after fat meals.  The stool will then be light, odorous and difficult to flush down. The fact that your body takes up less energy (calories) is not however the biggest reason you lose weight. The intestines have large reserve capacities, and the bulk of the calories will be absorbed further down the intestines.  

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