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What is the Duodenal Switch?
Frequently Asked Questions
Is it safe for me to go to Mexicali?
Will I lose weight?
Are standards the same as in the US?
Will I have complications?
Can I trust the Doctors?
Will I regain Weight?
In our 14+ years of experience here are the 5 things we know will help you keep your weight off permanently.
– Plan your meals and snacks.
– Eat every 4 hours, meal or snack, do not skip meals
– Avoid liquid calories
– Do not drink with your meals.
– Stay accountable; join a WLS support group, online if not one available in your city.
This part of the process is virtually considered a Vertical Sleeve Gastrectomy. Patients that have been through Duodenal Switch will experience food restriction rates that will change over time within a process called ‘pouch maturation’, reached about 9 to 12 months after DS surgery. At first stance, the patient’s stomach seems small, and it’s the starting point for weight loss. Then the stomach will stretch out gradually until reaching a food intake about half or two-thirds the amount of food they would eat before undergoing a Duodenal Switch procedure. And even though the stomach becomes of a smaller size after DS, none of it’s functions change.
These changes allow patients to enjoy different foods. Patients become able to follow their diet, knowing that quantities and digestion will become favorable for them by being capable of controlling their intake and limiting to the healthiest food available. One of the possible advantages for Ds patients -as opposed to those with a Gastric Bypass (RNY)- Duodenal Switch patients can eat dense protein(pork, steak, stew meat beef) with no problem at all, considering these as healthy protein sources. The anatomic configuration after DS provides patients of much healthier eating. Still, this freedom implies certain responsibility. While able to eat freely, DS patients must observe the healthiest way of eating possible their bodies allow. This is the restrictive part of a DS procedure.
Intestines are divided and rearranged so food is separated from digestive juices. The alimentary limb (the intestine portion carrying food) receives food from the stomach and is attached to the duodenum, and comprises less than half of the body’s intestinal tracts, consisting of the downstream of the intestine and the reaction to food it presents is rather different to the one by the upstream part of the intestine, the bypassed portion.
This bypassed portion carries digestive juices originated in the liver and pancreas and also consists of more than half of total intestinal length, joining the food limb towards the last 75 to 100 cm of the intestine (known as a common limb). This last portion is the only one capable of absorbing lipids, starches, fats, and other complex carbohydrates. The size reduction of the intestine allows Duodenal Switch patients efficiently, since it is less than half of the intestine providing such function, so the excess starches and fats are excreted from the body in stool. 2 to 4 bowel movements a day are average for DS patients eating properly, while the ingestion of indigestible starches and lipids bring patients to experience a higher number of bowel movements per day.
Aside from the restrictive and malabsorptive nature of Duodenal Switch, there’s also a metabolic effect, whose improved mechanisms have a positive impact on weight loss. Apart from absorbing sugars and proteins from food intake, the alimentary limb of the intestines also secretes a hormone named enteroglucagon (also known as GLP-1) when undigested food is present. This secretion is enhanced after a Duodenal Switch procedure, since this part of the intestine is rearranged, thus causing an earlier pass of food through the alimentary limb. Also, the body normally secretes insulin as a response to carbohydrate consumption, but enteroglucagon is able to suppress this response so it reduces the total carbohydrate to be converted to and stored as fat.