Gastric Sleeve vs Duodenal Switch
One of the most popular bariatric procedures today is Vertical Sleeve Gastrectomy (VSG), otherwise known as Gastric Sleeve Surgery. The gastric sleeve is hands down the top choice for most patients looking to have extremely successful results without having many risks, side effects, or complications.
Gastric sleeve and duodenal switch are both great procedures to cure fatness. Yet, they differ in the amount of weight loss, reversal of comorbidities, level of invasiveness, side effects, and risk of complications.
A very effective but more aggressive weight loss procedure is Biliopancreatic Diversion with Duodenal Switch (BPD/DS), otherwise known as Duodenal Switch Surgery. It is an evolved version of the gastric sleeve, combining two mechanisms of action to achieve the most significant expected weight loss.
If you are comparing gastric sleeve vs. duodenal switch, this is a complete guide to help you choose the best option for you!
Which Procedure is Best for Me?
The gastric sleeve is used for all ranges of obesity – obese, severely obese, morbidly obese, and super obese. Although it’s an excellent starter surgery, it has over 80% success rate long-term and can be readily revised in the event it fails.
Duodenal switches are reserved for severely obese and previous sleeve/gastric bypass patients. They show durable results with their weight loss and remission of comorbidities, better than the gastric sleeve. As more surgeries are performed, surgeons are getting more experienced in the duodenal switch, and it’s gradually growing as a treatment for severe obesity.
Candidacy Requirements
Do I Qualify for Gastric Sleeve?
Do I Qualify for Duodenal Switch?
What is the Biggest Difference?
Both VSG and BPD/DS are performed laparoscopically, as opposed to an open-incision approach. In laparoscopic sleeve gastrectomy, only physical changes are made to the body. In classic DS surgery, physical and chemical changes are made to the body.
Sleeve gastrectomy was performed in 1990 as the first stage of the duodenal switch (BPD-DS) operation. The first stand-alone sleeve surgery was performed in 1999.
The duodenal switch is considered the most effective and complex weight loss surgery. However, it has higher complication rates and side effects but better long-term weight reduction. Both sleeve and DS procedures are efficacious in inducing weight loss and improving obesity-related conditions. The success of patients losing weight with the less invasive gastric sleeve has led to a limited number of DS surgeries.
Amount of Weight Loss
Patients with duodenal switch lose more excess weight due to additional malabsorptive components (refashioning the small intestine). Research studies at 18-24 months after surgery show that:
- The patients with gastric sleeve lose an average of 65% to 75% of their excess body weight.
- The patients with duodenal switch lose an average of 75% to 85% of their excess body weight.
However, with the BPD/DS, the patients tend to achieve a relatively lower BMI than those who underwent gastric sleeve surgery. Weight loss in DS patients lasts longer also. Duodenal Switch is mainly reserved for the morbidly obese.
Reversal of Obesity-Related Disease
Both surgeries lead to a significant reversal of obesity-associated conditions. There is a higher rate of resolution of comorbid conditions, such as:
- diabetes type 2 (T2DM),
- hypertension
- dyslipidemia
- obstructive sleep apnea
- osteoarthritis
- CKD
- etc.
With duodenal switch vs. gastric sleeve surgery.
Sleeve Gastrectomy versus Duodenal Switch
Comparison Table
Sleeve gastrectomy has been the most widely performed treatment for morbid obesity and obesity-related health issues in the past decade. Duodenal switch is considered a last-resort procedure for the most severely obese, usually requiring a body mass index of 40+.
Comparing Costs and Insurance Coverage
The costs of gastric sleeve surgery range from $4,495 to $19,500, depending on where the surgery occurs. In Mexico, the price ranges from $4,495 to $8,995. In the United States, self-pay ranges from $15,000 to $30,000 for gastric sleeve surgery. Our VSG price starts at $4,495.
Duodenal switch surgery costs anywhere from $6,795 to $35,000 worldwide. At Mexico Bariatric Center®, our surgical teams pioneered duodenal switch surgery in Mexico and have some of the most highly trained surgeons specializing in it. Our DS price starts $6,795.
Duodenal Switch operation is more involved than gastric sleeve surgery and, therefore, more expensive. The average cost of the duodenal switch is $29,000 compared to the average price of gastric sleeve surgery of $19,000 in the United States. The cost of both surgeries is lower outside the United States. While some insurance policies cover gastric sleeve surgery, fewer insurance policies provide coverage for the duodenal switch. Patients undergoing duodenal switch procedures also incur $1500 annually on additional supplements and necessary tests.
Gastric Sleeve vs Duodenal Switch Cost Comparison
Complications and Side Effects
Digestive Tract and Anatomy
The new stomach is like a hot dog or a “sleeve” and has the same shape as the duodenal switch pouch but is smaller. With vertical sleeve gastrectomy surgery, there are no anatomical changes, no changes to the pyloric valve, and no intestinal bypass.
The gastric sleeve surgery significantly restricts the volume of food eaten. Mixing food with bile and pancreatic enzymes occurs as before surgery with no changes. Therefore, there is no malabsorption of nutrients, dumping, or bowel movements.
The new digestive tract after duodenal switch surgery is also changed through restriction (by resecting about 70% of the stomach, similar to a gastric sleeve) and malabsorption (bypassing a large portion of the small intestine).
A larger portion of the small intestines is bypassed or switched, which causes the DS patient to need more vitamins and supplements for their lifetime. The anatomy is more intact, although less protein and fat are absorbed, causing more nutritional deficiencies.
Final Words
Mexico Bariatric Center® (MBC) is the longest-standing medical tourism for weight loss surgery in Mexico. MBC has offered technically intricate procedures such as DS/BPD and SADi-S since its inception (2012). We have also introduced an innovative bariatric procedure called SASi-S to our services (2025). We are a one-stop shop – we provide a wide range of laparoscopic and endoscopic operations.
Contact our knowledgeable and caring staff to help you get the life-changing bariatric procedure that fits you best!