Four Post-Duodenal Switch Nutrition Facts You Might Not Know

One of the fastest growing and most effective Weight Loss Surgery procedures is the Duodenal Switch method, which is a complex procedure that combines the restrictive and malabsorptive elements of weight loss surgery (and is a specialty of our Director of Bariatric Surgery, Dr. Folahan Ayoola).

Because this procedure is more complex than other procedures that have been in use for a longer amount of time, there may be less knowledge publicly about the post- Duodenal Switch life. One aspect that separates the DS from other methods in post-surgery nutrition, which doesn’t mirror other WLS procedures.

Here are four post-DS nutrition facts you might not know:

1. Saturated fats are generally allowed: In the DS procedure, the “intestine is re-routed to interfere with the natural digestion process” which makes it a “malabsorptive” form of WLS, meaning “difficulty or inability to properly absorb nutrients from food.” After DS, only approximately 20% of the fats you eat are absorbed, which means you’re encouraged to eat saturated fats, like bacon or high-fat cheeses. However you are discouraged from eating trans fats, like baked goods and fried foods.

2. Hydration is important but challenging: Because your stomach is significantly smaller, drinking water can be difficult. However it is extremely important to remain hydrated in case you become dehydrated. You want to avoid caffeine – like coffee and tea – but you can flavor your water with natural flavorings like lime or lemon. Sugar-free flavoring can work too.

3. Protein is the most important food group: DS patients typically consume a diet of more than 90 grams of protein per day, consisting of foods high in protein for every meal and snack. Protein sources like fish (tuna especially), eggs, nuts and other lean meats are encouraged. However, unlike gastric bypass patients, DS patients can generally consume dense meats as well, like steak, pork and stewed meats.

4. HOW you eat can be just as important as WHAT you eat: When drinking, sip slowly. When eating, you may need to leave drinking until after – usually 30 minutes after finishing your meal – before you start consuming liquid.

Of course, diet and nutrition requirements are very specific to each patient, and your bariatric doctor can guide you to the right one that fits you.

Now you have some of the post-WLS facts about Duodenal Switch. Want to know more about the procedure, and see if it might be a something that works for you? Get in contact with Your WLS Journey Navigator Sharon or request an appointment here.

Bariatric Success Stories – Pertresa Wright

Petresa Wright before and after weight loss surgery photosPetresa Wright before and after weight loss surgery photosPertresa Wright wrote in to tell us about her weight loss journey.

“I’ve been overweight my whole life. Teased in school and even in adulthood. I’ve been on every diet you can think of. I’d lose weight then gain it all back plus more. I’ve tried having the surgery twice before but I only found impersonal surgeons who didn’t really care about their patients in my opinion. So I never felt comfortable enough with them to go through with it. I met Dr. Ayoola and his staff and that first day I was sure I was doing the right thing. His compassion for his patients just overwhelms me every time I see him and hear him talk of his patients and his work. From initial consult to present day his compassion has not wavered. My experience with Flower Mound Hospital was just as good. The staff was amazing and caring and genuinely cared about my situation on every level. Sharon is amazing. She was there when I pre-registered. I had been there all day and had not eaten and she took me and fed me before we did anything else. She was there before I went into surgery and there when I got out and until I left the hospital. Again, such compassion. My experience with every person and facility involved with my surgery makes me all the surer that this was the best decision I could’ve made. I started at 363 lbs. and I now weight 179 lbs. My BMI went from a 55.2 to a 27.2.  I no longer have diabetes, high blood pressure or high cholesterol. I don’t snore anymore either, which my son loves that fact. Lol. I’m more active and definitely more self-confident. Thank you for giving me the opportunity to share my story.”


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For World Cancer Day in 2017, individuals and organizations are adopting the “We can. I can” approach to cancer. This means that organizations and individuals will both do their part to reduce the global burden of cancer.

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