my bariatric surgeon doesn't perform the duodenal switch and said that only 2-3% of patients get it. but when i read online it said it had fewer complications than bypass. is this true and if so, why do so few patients opt for it?
Why Isn't the Duodenal Switch More Popular?
Doctor Answers 3
Duodenal Switch is a great surgery for bad diabetes but not super high bmi
A gastrectomy is simply cutting out your stomach. A sleeve gastrectomy means you are cutting out only part of your stomach but leaving a small tube or "sleeve." The duodenal (doo-oh-deen-nul) switch is a sleeve gastrectomy on your stomach with an intestinal rerouting bypass.
Why would you want to bypass some of the intestines? In your intestines you have fullness hormones that are released when food hits your intestines. By rerouting the intestines (without removing any portion) you feel fuller faster and longer.
It is not appropriate for most patients simply because there are more risks associated with the procedure. If you have a high BMI it's too risky a procedure. Point blank. The reason most bariatric surgeons do not perform this surgery often is one, they might not be trained in it.
Plus, most people will show a lot of improvement with a gastric sleeve or LapBand. There's more risk, because there's more surgery. Additionally, on the post op side, you'll have to be more vigilant about taking your vitamins and minerals to avoid deficiencies.
Since most people lose lots of weight with the sleeve, most surgeons would prefer to see how you do with a sleeve first. If for whatever reason, you aren't losing weight, your diabetes is still acting up, and for whatever reason the sleeve alone isn't doing the trick the DS can be added after the sleeve as a second stage procedure.
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Duodenal Switch - when to consider.
The duodenal switch otherwise known as the DS, is an excellent operation in the well selected patient that carries an overall low complication rate. The complication rate in terms of leaks is comparable to that of gastric bypass. Certain patients with severe metabolic syndrome will benefit greatly from this opeation. DS is better at achieving overall weight loss for patients with BMI > than 50 and helping those patients get to a more "normal BMI". Also the DS is more resistant to weight regain which is far more common in gastric bypass patients. DS has potential issues or complicaitons such as protein and vitamin deficiencies. If you are a patient with high triglycerides and insulin dependent diabetes, and a high BMI, a DS procedure may be the right fit for you.
Duodenal Switch vs. Gastric Bypass
There are higher complications with the duodenal switch as opposed to a gastric bypass or a laparoscopic sleeve gastrectomy or a lap band. There is a higher risk of leak and a higher mortality with the duodenal switch versus the gastric bypass. Also, there are many more nutritional and vitamin deficiencies with the duodenal switch. Duodenal switch patients have a higher incidence of diarrhea after the procedure, as well.
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