SADI-S (Duodenal Switch) Surgery in Tijuana

SADI-S surgery in Tijuana for weight loss

Why Select SADI-S or Duodenal Switch Surgery?

SADI-S and duodenal switch surgery in Tijuana are advanced bariatric procedures that change both stomach size and the digestive pathway. This helps patients eat less and absorb fewer calories.

Compared with gastric sleeve or gastric bypass, these procedures may offer stronger weight loss and better metabolic support for some patients. They may also help improve type 2 diabetes and other obesity-related conditions.

Quick Answer: SADI-S and Duodenal Switch Surgery

SADI-S and duodenal switch surgery are advanced bariatric procedures designed for patients who may need stronger weight loss and metabolic support than a standard gastric sleeve alone. Both procedures combine stomach reduction with intestinal rerouting to help patients eat less, absorb fewer calories, and improve obesity-related conditions.

SADI-S: a newer version that uses one intestinal connection.
Duodenal switch: a more complex procedure with greater intestinal rerouting.
Best for: patients with higher BMI or major metabolic concerns.
Key consideration: patients need long-term vitamins, nutrition follow-up, and medical guidance.

Discover Our Bariatric Procedures

Meet Dr. Fernando Garcia

Dr. Fernando Garcia bariatric surgeon in Tijuana

SADI-S and Duodenal Switch Surgery in Tijuana

SADI-S surgery and duodenal switch surgery are advanced weight loss procedures for patients who may need stronger results than a standard gastric sleeve alone.

These procedures use both restriction and malabsorption. Restriction means the stomach holds less food. Malabsorption means the body absorbs fewer calories because part of the digestive pathway is changed.

For some patients, this approach may support major weight loss and help improve conditions such as type 2 diabetes, high blood pressure, high cholesterol, sleep apnea, and other metabolic concerns.

Before & Afters Bariatric Surgery

View Gallery

bariatric surgery before and after results

weight loss surgery before and after patient results

Tijuana Bariatric Center before and after bariatric results

bariatric patient weight loss transformation

before and after weight loss surgery results

Top 5 Reasons to Choose Tijuana Bariatric Center

Our proven track record — Our results speak for themselves. With countless successful procedures under our belt, our expertise in SADI-s is unmatched.
A tailored approach — We don't believe in one-size-fits-all. Each patient is unique, and we adapt our techniques and care plans accordingly, ensuring the best outcome for your specific needs.
Patient-centric care – From your first consultation to your post-operative follow-ups, our team is dedicated to your well-being, comfort, and success. We're with you every step of the way.

Cutting-edge facilities – Our commitment to adopting the latest in medical technology means you're getting the best the industry has to offer, in terms of safety, precision, and efficiency.
Affordable excellence – While we offer top-tier medical services, we believe in transparent and competitive pricing, making high-quality care accessible to all.

In essence, choosing us means prioritizing experience, personalized care, and a team genuinely committed to your transformative journey.

Tijuana Bariatric Center bariatric surgery team

Understanding Duodenal Switch and SADI-S Surgery

To choose the right bariatric procedure, patients need to understand how each option works. Duodenal switch and SADI-S both involve a surgical connection between parts of the digestive system. This connection is called an anastomosis.

In simple terms, these procedures reduce stomach size and change how food travels through the intestine. This can help reduce calorie absorption and improve metabolic response.

I had my surgery almost a week ago. I was totally blown away by the level of care and professionalism that I’ve been given, from the very beginning of this journey. Martha Mejia was my initial contact and turned out to be my constant source of encouragement, information, and support. Dr. Garcia is second to none. I could not have been in better hands. I think the whole medical staff came to my room to check on me and to give me information about my surgery and recovery. The nursing staff and technicians monitored me continuously. I had misgivings about undertaking a surgery like this after age 65, but it was the right decision because I found the right team.

How Does a Duodenal Switch Procedure Work?

Duodenal switch surgery was developed as an improvement on a procedure called biliopancreatic diversion (BPD), which is why you may see this obesity surgery referred to as DS-BPD. The original surgery divided the patient's stomach in half horizontally and rerouted the digestive system. Because the amount of the small intestine bypassed was extremely long, many patients suffered extreme malnutrition and dumping syndrome. The duodenal switch was developed to alleviate the adverse side effects of BPD.

Instead of sectioning off the stomach horizontally, duodenal switch surgery reduces the stomach by about 75%, shaping it into a slightly larger gastric sleeve. The smaller pouch limits stomach capacity, while intestinal rerouting is less severe to allow food to remain longer in the digestive tract. These modifications reduce dumping syndrome and malnutrition side effects.

Sometimes surgeons perform duodenal surgery in two separate steps when weight loss patients have an extremely high body mass index (BMI) to reduce the risks involved and shorten surgical time.

Step one: Gastric sleeve surgery to reduce stomach size and promote initial weight loss.
Step two: After two to three months, a second surgery alters the digestive system to reduce the amount of time ingested food stays in the body, with fewer calories absorbed.

Duodenal switch bariatric surgery in Tijuana leads to dramatic weight loss and remission of many obesity-related health issues. However, because of its complexity and risks, doctors developed a modified variation called the Single Anastomosis Duodeno-ileal Bypass With Sleeve Gastrectomy, commonly called SADI-s.

How Does SADI-S Surgery Work?

SADI-s is a further variation, also known as single-loop duodenal switch or Stomach Intestinal Pylorus Sparing (SIPS) surgery. Its purpose is to reduce other risks and complications duodenal switch surgery presents through only one anastomosis. It's also less invasive than a bypass with sleeve gastrectomy or duodenal switch surgery.

The malabsorptive portion reroutes part of the small intestine, creating two separate pathways and one common channel. The shorter digestive loop of the two pathways allows food to flow from the stomach to the common channel.

The longer pathway, the biliopancreatic loop, carries bile from the liver to the common channel.

This diversion limits the time that food mixes with digestive juices and reduces the number of calories a patient’s body absorbs, resulting in increased weight loss. Some patients may also have their gallbladder removed during this bariatric procedure, as many patients who lose significant amounts of excess weight require gallbladder removal at a future date to avoid gallstones.

Dr. Fernando Garcia bariatric surgeon for SADI-S surgery

Dr. Fernando Garcia – A Visionary Leader in the Field of Bariatric Surgery

Dr. Garcia is a veteran bariatric surgeon who has performed over 15,000 successful procedures during his decade-plus career in medicine. Known for his skill, precision, and cutting-edge techniques, he is also often praised for his genuinely compassionate bedside manner and his unwavering dedication to his patients’ well-being and success.

As a provider who has himself transversed the weight loss journey, Dr. Garcia knows firsthand how frustrating and daunting the process can be. He has put great effort and time into creating a comprehensive weight loss program that goes far beyond surgery and incorporates ongoing support groups, nutritional counseling, and extensive email follow-up. Dr. Garcia believes that every patient is entitled to live their best life, free from health concerns and reduced self-esteem associated with obesity.

Dr. Fernando García obtained his Licensed Physician Degree from the prestigious Universidad Michoacana de San Nicolás de Hidalgo before going on to complete his residency in General Surgery at Hospital General (General Hospital), endorsed by Universidad Autónoma de Baja California (UABC). As a professor of Advanced Laparoscopic Surgery at Universidad Autonoma de Baja California, Dr. Garcia continues to educate generations to come with his innovative techniques. Additionally, he has been on staff at the Instituto Mexicano del Seguro Social for over a decade.

What Differentiates Dr. Garcia’s Surgical Approach?

When it comes to SADI-s, Dr. Garcia’s approach is a blend of time-tested methods and innovative techniques that he has refined over the years. He uses minimally invasive laparoscopic methods, leading to less postoperative discomfort and a quicker recovery. His cutting-edge techniques also result in smaller incisions, which enhances the final aesthetics of any surgery.

When it comes to the duodenal switch aspect of the SADI-s, Dr. Garcia’s technique ensures an optimal balance between effective weight loss and nutrient absorption, tailored to each patient's specific needs. The closure methods he employs are designed for both durability and minimal scarring.

Furthermore, at the Tijuana Bariatric Center, we believe in a comprehensive post-surgical regimen. This includes tailored dietary plans and physical therapy routines to assist patients in their recovery and weight loss journey. This unique combination of tried-and-true practices, personalized care, and an unwavering commitment to excellence in bariatric surgery is what differentiates our practice’s approach to the SADI-s procedure.

In the Doctor’s Own Words

Having performed a variety of procedures, SADI-s stands out for its innovative approach to weight loss and metabolic balance. What I personally admire most about SADI-s is its combination of sleeve gastrectomy's restriction with the intestinal rerouting's benefits. This harmonious blend ensures effective weight loss while minimizing potential nutrient deficiencies. Each SADI-s procedure is a testament to the adaptability of modern bariatric surgery to meet individual needs.

Beyond the technical aspects, it's the transformative journey of my patients that truly inspires me. To witness their health revitalize, their energy levels soar, and their confidence bloom is nothing short of awe-inspiring. It's a poignant reminder of why I dedicated myself to this field and the mission of Tijuana Bariatric Center. The SADI-s procedure is more than just an operation; it's a beacon of hope for many, offering them a chance at a renewed, healthier life, and I feel deeply honored to be a part of that journey.

— Dr. Fernando Garcia

bariatric surgery patient testimonial background

Benefits of Duodenal Switch Surgery

Approximately 99% of those with type II diabetes or high cholesterol, 92% with obstructive sleep apnea, and 83% with hypertension enter remission or are cured following bariatric surgery. Other conditions that can experience significant improvement or resolution include*:

Asthma/breathing issues
Dyslipidemia
Arthritis
Headaches and migraines
Infertility/PCOS syndrome
GERD and acid reflux
Heart disease
Back and joint pain

*According to DS Facts

SADI-S and duodenal switch surgery anatomy diagram

Benefits of SADI-S Surgery

SADI-S may offer strong weight loss and metabolic benefits while using a simpler intestinal connection than traditional duodenal switch surgery.

Potential benefits include:

Significant long-term weight loss
Reduced hunger after part of the stomach is removed
Improved blood sugar control
Better support for patients with type 2 diabetes or insulin resistance
Fewer intestinal connections than traditional duodenal switch surgery
Possible lower risk of some complications compared with more complex bypass procedures
Smaller meal portions while still allowing patients to adapt to a long-term eating routine

Patients still need long-term nutrition guidance, vitamins, hydration, and follow-up care after SADI-S surgery.

Similarities Between Duodenal Switch Surgery and SADI-S

Both techniques are performed through laparoscopic surgery, but some weight loss patients may occasionally require open surgery for various reasons. This decision usually occurs during pre-op consultations. Surgeons can perform both operations in two stages, which is needed to help patients with the highest body mass index achieve sufficient excess weight loss to make the second part of the procedure safer.

The risk of malnutrition remains present with both bariatric procedures, although the single anastomosis duodeno ileal bypass procedure lessens that risk. Patients must follow strict vitamin and mineral supplementation for the rest of their lives.

Differences Between Duodenal Switch Surgery and SADI-S

The Y-shape connection in duodenal switch surgery prevents bile from getting into the
stomach, avoiding stomach discomfort and irritation. It also results in selective fat and nutrient absorption not present in SADI-S because of the multiple channels. The single ileal bypass with sleeve procedure (SIPS) has a reduced operating time of about 30 minutes and a reduced risk of post-surgical complications because of the single intestinal connection. SADI-s preserves approximately ten feet of absorption in the intestines instead of two to five feet associated with traditional duodenal switch surgery.

Shared Benefits

SADI-s and duodenal switch patients experience the following shared benefits:

Dramatic long-term weight loss
A longer-lasting feeling of fullness
Better portion control
Less absorption of calories

As patients lose weight, they will realize a significant decrease or resolution of obesity-related diseases, including obstructive sleep apnea, joint pain, etc.

Am I a Good Candidate for Duodenal Switch or SADI-S Surgery?

SADI-S or duodenal switch surgery may be considered for patients who need more powerful weight loss support than other bariatric procedures can provide.

You may be a candidate if you:

Have a BMI over 40
Have a BMI between 35 and 39.9 with obesity-related health conditions
Have type 2 diabetes, sleep apnea, hypertension, fatty liver disease, or high cholesterol
Have struggled to lose weight through diet, exercise, or medication
Need stronger metabolic support than gastric sleeve alone
Are willing to follow long-term nutrition, vitamin, and follow-up recommendations

The best way to know if SADI-S is right for you is to complete a medical evaluation with an experienced bariatric team.

Bariatric Candidacy Tool

Am I a Candidate for Bariatric Surgery?

Answer a few questions to see whether a personalized bariatric evaluation may be an appropriate next step.

This quiz does not provide a diagnosis or medical approval. Final candidacy must be determined by a qualified medical professional after reviewing your complete health history.

Step 1 of 12

Before we start

Bariatric candidacy depends on more than weight alone. Your BMI, health history, previous treatments and personal goals may all be considered.

What is your age range?

Age is not used by itself to reject a patient, but some age ranges may require a more personalized review.

Which measurement system would you like to use?

Choose the system that is easier for you. We will calculate your estimated BMI automatically.

Enter your height and weight

Your BMI is only one part of bariatric candidacy. Your medical history and personal circumstances must also be reviewed.

Height – Feet *

Height – Inches *

Current Weight – Pounds *

Have you had a previous bariatric procedure?

Previous bariatric surgery can change which procedures, tests, and treatment options may be considered.

Have you been diagnosed with any of these conditions?

Select all that apply. You do not need to share lab results or extra medical details here.

Which weight-loss approaches have you tried?

This helps the coordinator understand your history. It does not determine candidacy by itself.

What is your main reason for considering bariatric surgery?

Your motivation helps the team give more human, personalized guidance.

Do you already have a bariatric procedure in mind?

This is only informational. The final procedure recommendation should come from the medical team.

When are you considering surgery?

This helps the team understand how soon you may need guidance.

Would you like information about financing options?

Financing can be an important part of planning. Your answer helps the coordinator follow up with the right information.

Your assessment is ready

Enter your information to view your result and learn about the recommended next step.

First Name *

Last Name *

Email Address *

Phone Number *

Country *

State / Province

Preferred Language *

Preferred Contact Method

Your Result

Estimated BMI—

Procedure Interest—

Next StepPersonalized review

Important: This assessment is educational and does not constitute medical approval. Final candidacy must be determined after the medical team reviews your complete health history.

Complete My Health History Talk to a Coordinator

Who Is SADI-S Best For?

SADI-S may be a strong option for patients with a higher BMI, significant metabolic concerns, or a history of struggling with long-term weight loss through diet, exercise, or medication alone. It is often considered by patients who need more powerful weight-loss support than a standard sleeve and are also looking for stronger metabolic improvement.

This procedure may be especially relevant for patients living with obesity-related conditions such as type 2 diabetes, sleep apnea, hypertension, fatty liver disease, or hyperlipidemia. At Tijuana Bariatric Center, every patient is evaluated individually to determine whether SADI-S, duodenal switch, gastric bypass, or another bariatric procedure is the best fit for their health profile and long-term goals.

What to Expect in Your First Week After SADI-S

The first week after SADI-S is focused on healing, hydration, and gradual adjustment. Patients typically begin with a liquid diet, rest, light walking, and close follow-up instructions from the medical team. Mild discomfort, fatigue, and changes in appetite are common in the early recovery phase, but patients are guided step by step to help them recover safely and confidently.

As healing progresses, patients move through a structured nutrition plan and begin adapting to new habits that support long-term success. At Tijuana Bariatric Center, recovery does not stop at discharge. Ongoing education, nutrition guidance, and patient support help make the transition feel more manageable during the first days and beyond.

Traveling to Tijuana for SADI-S: What Patients Need to Know

For many patients, the decision is not only about the surgery itself, but also about the travel experience. They want to know where they will go, how the hospital process works, what support they will receive, and whether they will feel safe and well-guided throughout the journey.

Tijuana Bariatric Center helps patients understand each step before they arrive, from consultation and preparation to surgery, recovery, and follow-up. This level of communication and structure can make a major difference for patients traveling from the United States who want clarity, reassurance, and a smoother overall experience.

FAQs About SADI-S and Duodenal Switch Surgery

What is SADI-S surgery?

SADI-S surgery is an advanced bariatric procedure that combines sleeve gastrectomy with intestinal rerouting. It is designed to help patients lose weight and improve metabolic health.

How is SADI-S different from duodenal switch surgery?

SADI-S is a newer variation of duodenal switch surgery. It uses one intestinal connection instead of the more complex rerouting used in traditional duodenal switch surgery.

Who is SADI-S best for?

SADI-S may be a strong option for patients with a higher BMI, type 2 diabetes, insulin resistance, sleep apnea, hypertension, or other obesity-related health conditions.

How much weight can patients lose after SADI-S?

Weight loss varies by patient. Results depend on starting BMI, health history, nutrition habits, physical activity, and long-term follow-up care.

Do SADI-S patients need vitamins after surgery?

Yes. Because SADI-S changes the digestive pathway, patients usually need long-term vitamin and mineral supplementation, plus follow-up testing to monitor nutrition levels.

How long is recovery after SADI-S surgery?

Recovery varies, but the first week usually focuses on hydration, walking, rest, pain control, and starting a staged bariatric diet. Patients receive specific instructions from the medical team.

Schedule A Consultation Start Living Your Best Life

schedule a SADI-S surgery consultation in Tijuana

SADI-S and duodenal switch surgery comparison chart

Are There Any Safety Concerns With the SADI-s Procedure?

Duodenal switch patients should remain aware that this weight loss procedure has drawbacks. As with any surgery, you can expect the following risks:

Internal bleeding
Infection
Blood clots in your legs that can move to the lungs
Hernia
Death

Because stomach size is reduced, certain foods can cause excessive gas that you may be unable to control. Additionally, patients must augment their diet with vitamins and minerals to prevent poor nutrition. If you follow a proper post-op diet and have realistic expectations, you can manage these potential disadvantages and achieve long-term weight loss.

SADI-S surgery safety at Tijuana Bariatric Center

What Risks are Associated with the Procedure?

SADI-S is an advanced bariatric surgery, so patients should understand the possible risks before making a decision. At Tijuana Bariatric Center, our team focuses on patient education, safety protocols, and close follow-up to help reduce risk and support recovery.

Surgical risks: infection, bleeding, blood clots, leakage, or hernia can occur with any major surgery.
Nutritional deficiencies: because the digestive pathway is changed, patients need long-term vitamins and nutrition monitoring.
Digestive changes: some patients may experience gas, reflux, diarrhea, food intolerance, or changes in bowel habits.
Rapid weight loss effects: hair thinning, fatigue, or temporary weakness may occur during major weight loss.
Skin changes: some patients may develop loose skin after significant weight loss.

Our team explains these risks before surgery and provides post-op instructions, nutrition guidance, and follow-up support to help patients recover safely.

Which Procedures Complement SADI-S?

Following a SADI-s procedure, it's not uncommon for patients to contemplate additional treatments to further refine their new silhouette and address the nuances of their weight loss journey.

Body contouring options such as tummy tucks, arm lifts, and thigh lifts are increasingly popular for remedying the sagging skin that can accompany dramatic weight loss. Given the impact of weight fluctuations on the chest, treatments like breast lift, breast augmentation, or breast reduction can be pivotal in restoring balance and proportion.

For those grappling with a pronounced skin apron over the groin area, a panniculectomy becomes a go-to solution. Moreover, as the face mirrors weight changes, procedures like facelifts, neck lifts, or blepharoplasty can be invaluable in regaining a refreshed and youthful visage. To further hone the body's contours, liposuction can target those lingering, stubborn fat pockets.
Should there be concerns or unsatisfactory results with the initial SADI-s, bariatric revision surgeries might be on the table. Beyond the realm of surgeries, the importance of nutritional and psychological counseling can't be stressed enough, ensuring sustained weight management and emotional well-being.

As always, before taking any next steps, engaging in insightful consultations with both bariatric and plastic surgery specialists is the key to tailored, optimal post-SADI-s care.

Economical Weight Loss Surgery for Medical Tourists

Traveling to Mexico to undergo a bariatric surgical procedure rewards patients with more than just excess weight loss. In the United States, most insurance policies do not cover bariatric surgery fees, so patients spend $20,000 to $30,000 for many procedures. When you come to Tijuana Bariatric Center, you'll spend a lot less while getting the dramatic results you want. We charge around $ 7000 USD. What’s more, you will be enchanted by the beauty and culture of Mexico, enjoying our warm, inviting climate and world-class cuisine.

Why Patients Trust Tijuana Bariatric Center for SADI-S

Patients considering SADI-S are often looking for more than a procedure. They want a skilled surgical team, a clean and professional hospital environment, clear communication, and the confidence that they will be supported before and after surgery. At Tijuana Bariatric Center, that trust is built through experience, patient-centered care, and a process designed to feel organized rather than overwhelming.

Many patients also value the fact that our team combines advanced bariatric expertise with ongoing nutritional guidance, follow-up care, and access to a support community. For people making a life-changing decision, those factors can matter just as much as the surgery itself.

What Can I Expect From My Consultation?

In our SADI-s consultations at Tijuana Bariatric Center, we strive for transparency and trust. We break down the procedure, highlighting its benefits and addressing any potential concerns. We assess each patient's unique health profile and weight loss objectives to ensure a personalized approach. It's vital for us to establish an open dialogue so we touch on logistical aspects like costs and timelines. Our aim is to ensure each individual leaves the consultation well-informed, feeling both prepared and confident about the next steps in their weight loss journey.

What Patients Are Saying

SADI-s surgery with Dr. Garcia was a game changer!”
“I can’t believe how much more energy and stamina I have!”
“My doctor is thrilled with the changes in my health profile.”
“I find myself being more active than ever before in my life.”
“Getting used to my new meal plan was challenging, but I’m so grateful I went through with the surgery!”
“The team at Tijuana Bariatric Center gave me the support I needed every step of the way. My procedure was a success.

Consider Bariatric Surgery in Tijuana, Mexico

Dr. Fernando Garcia, our lead surgeon, specializes in treating patients struggling with extremely high BMIs who may have been refused treatment at other medical practices. He has performed thousands of complicated bariatric procedures, including duodenal switch surgery, SADI-s, and other techniques that help patients safely lose excess weight. Our office in Tijuana, Mexico, limits the number of surgeries daily, so you get the highest quality pre-op, surgical, and post-op care possible.

Contact our office today at 800-970-0577 to set up a virtual consultation and begin a successful journey of losing weight once and for all.