guarantee
Bariatric Surgery for Patients from Istanbul
for good —
14,000 CMC patients already live in a new body. The result is fixed in an official contract, legally and not only verbally.
patients
experience
from excess weight
rating
Bariatric Surgery for Patients from Istanbul
for good —
Everything for the result — included
Bariatric surgery —
is it right for me?
Tick the situations that sound familiar.
From 2 matches — a reason to talk to a surgeon.
Everything needed for the result —
already included
No hidden extras. Nothing unexpected. One package, start to end.
Bariatric surgery —
is it right for me?
Tick the situations that sound familiar.
From 2 matches — a reason to talk to a surgeon.
Reasons to see a surgeon
Related conditions, not just a high BMI, can be grounds for a surgical consultation
Medical history
Excess weight since childhood or a genetic predisposition
Metabolic disorders
Type 2 diabetes and hypertension associated with obesity
Resistance to conservative treatment
Diets and medication have brought no lasting result over several years.
Medical history
Excess weight since childhood or a genetic predisposition
Metabolic disorders
Type 2 diabetes and hypertension associated with obesity
Resistance to conservative treatment
Diets and medication have brought no lasting result over several years.
When is bariatric surgery justified?
Surgery is prescribed only when clear criteria are met
The role of body mass index (BMI)
Obesity is graded mainly by BMI, calculated as body weight (kg) over height squared (m²). A BMI above 40 usually justifies surgery, as does a BMI above 35 with serious related conditions. In certain cases surgery is considered at lower values too, if approaches without surgery have not succeeded.
Key factors
- The patient's body mass index (BMI)
- Overall health and any related chronic conditions
- Earlier attempts to lose weight by conventional means have failed
Why don't diets and exercise work for everyone?
Many spend years on diets and exercise, and the body fights them all the way: metabolism slows, appetite grows, the lost kilos come back. As soon as it is clear that medication and diet changes alone cannot fundamentally improve the situation, bariatric surgery is the only effective way out.
Key factors
- The patient's body mass index (BMI)
- Overall health and any related chronic conditions
- Earlier attempts to lose weight by conventional means have failed
The role of body mass index (BMI)
Obesity is graded mainly by BMI, calculated as body weight (kg) over height squared (m²). A BMI above 40 usually justifies surgery, as does a BMI above 35 with serious related conditions. In certain cases surgery is considered at lower values too, if approaches without surgery have not succeeded.
Why don't diets and exercise work for everyone?
Many spend years on diets and exercise, and the body fights them all the way: metabolism slows, appetite grows, the lost kilos come back. As soon as it is clear that medication and diet changes alone cannot fundamentally improve the situation, bariatric surgery is the only effective way out.
Medical indications
for bariatric surgery
If you have chronic conditions, please see a clinic doctor first!
Indications
Excess weight
Type 2 diabetes
Hypertension
Sleep apnea
Joint disease
Varicose veins
Fatty liver disease
Reproductive health problems
Contraindications
Age under 18
Malignant tumors
Less than six months since breastfeeding ended
Acute illness or flare-ups of chronic disease
Severe chronic and mental illness
Blood clotting disorders
Pregnancy
Bariatric surgery methods at City Medical Centre
Sleeve gastrectomy
The surgeon removes the larger part of the stomach so it becomes a narrow tube. This strongly reduces how much fits in a portion and lowers ghrelin, the hunger hormone; the patient feels full faster and eats less.
Effectiveness: suitable for a BMI of 35 to 45. Patients lose 60–70% of their excess weight on average.
Specifics: bypass operations give a more durable result. Should the diet be ignored, especially with high-calorie drinks and liquid food, weight can return.
Roux-en-Y gastric bypass
The surgeon creates a small 50–70 ml pouch at the top of the stomach and connects it directly to the small intestine. This limits food intake and reduces calorie absorption by shortening the path food travels through the gut.
Effectiveness: the “gold standard” for patients with a BMI over 45–50 and type 2 diabetes. Up to 75–85% of excess weight is lost.
Specifics: outcomes are more durable than with other bariatric procedures. Diabetes, hypertension and other related conditions often go into remission. With the digestive anatomy changed, lifelong vitamin and mineral supplements are a must.
Mini gastric bypass (MGB)
This is an enhanced form of the classic bypass. The standard method differs: here the surgeon makes only one connection (anastomosis) between the small stomach and the small intestine. Thanks to the simpler technique, the patient has an easier time and recovers faster.
Effectiveness: on par with the classic Roux-en-Y bypass — patients shed up to 75–80% of excess weight.
Specifics: a faster operation and shorter recovery. The procedure can be undone technically, but there is a bile reflux risk from the single anastomosis.
Single anastomosis duodeno-ileal bypass (SADI-S)
SADI-S is a modern combined method that brings together the advantages of sleeve gastrectomy and intestinal bypass. It is performed in two stages: first the stomach becomes a narrow tube, then the small intestine is rerouted so most of it no longer takes part in active digestion.
Effectiveness: one of the most potent bariatric operations; excess weight loss hits 80–90% and the result is long-lasting.
Specifics: removal of the ghrelin-producing zone shrinks the stomach and appetite, and routing food past part of the intestine curbs calorie absorption. Appropriate for super obesity (BMI over 50), severe type 2 diabetes, or as a second stage after a sleeve that failed.
Book a consultation
Call or message us -
our coordinator will contact you shortly
and book your consultation
Book a consultation
Call or message us -
our coordinator will contact you shortly
and book your consultation
Preparing for bariatric surgery at City Medical Centre
We start with a surgical consultation: history taking, choosing the method and planning recovery
Lab tests
Complete blood count and urinalysis, biochemistry, HbA1c, coagulation panel (clotting test).
Instrumental diagnostics
Chest X-ray, ECG, ultrasound of abdomen and kidneys, Doppler of leg veins.
Endoscopy
Gastroscopy (required) and colonoscopy (if indicated).
Specialists
Cardiologist, endocrinologist, psychiatrist, GP and gynecologist (for women).
Diet
2–4 weeks before the operation, limit fast carbs and fats; the day prior, eat only light meals.
Lifestyle
Stop smoking, cut physical activity and avoid stress starting a month before.
The day before
Evening: last light meal. Fluids: stop 3–4 hours before the operation.
Lab tests
Complete blood count and urinalysis, biochemistry, HbA1c, coagulation panel (clotting test).
Instrumental diagnostics
Chest X-ray, ECG, ultrasound of abdomen and kidneys, Doppler of leg veins.
Endoscopy
Gastroscopy (required) and colonoscopy (if indicated).
Specialists
Cardiologist, endocrinologist, psychiatrist, GP and gynecologist (for women).
Diet
2–4 weeks before the operation, limit fast carbs and fats; the day prior, eat only light meals.
Lifestyle
Stop smoking, cut physical activity and avoid stress starting a month before.
The day before
Evening: last light meal. Fluids: stop 3–4 hours before the operation.
Our specialists
Experienced bariatric specialists who are committed to patients' health
Ruslan S. Menzulin
Bariatric surgeon · surgical oncologist
Underwent training at Mercy clinic under Vadim Gushchin; spoke at the World Congress of bariatric surgery (2025). Co-authored international research published in The Lancet.
Andrey G. Ugay
Lead bariatric surgeon · surgeon
Performed the highest number of SASJ operations in the country. An expert council member of the national Society of Bariatric Surgeons who often presents at national and international congresses.
City Medical Centre bariatric surgery centre
— your path
to confidence and harmony
City Medical Centre handles obesity comprehensively. After the first exam, every patient gets an individual diagnostic program (lab plus instrumental) designed to pinpoint every disorder in the body.
A method matched to your goal
Our doctors choose the surgical method individually for each patient. Before deciding, they review your health, weight history and related conditions to offer the most suitable surgical treatment.
Support that stays in touch
After surgery the City Medical Centre team continues to support you. Throughout year one, specialists track weight loss, review your tests and answer all your questions on diet and recovery.
Fast recovery
City Medical Centre's bariatric operations are laparoscopic, so recovery is much shorter. On day one most patients are already up and moving, and within a week they return to normal life.
Full diagnostics on site
No running from clinic to clinic. Our centre has everything for your work-up, from its own lab to ultrasound and gastroscopy. Preparation is fast, queue-free and all under one roof.
Recovery after bariatric surgery
Recovery largely depends on the individual, but minimally invasive laparoscopic techniques keep rehabilitation as short as possible.
Duration
For 1 to 5 days the patient stays in the clinic under observation; this depends on the surgery's extent and related conditions.
Activity
Already in the first hours post-surgery you are allowed to sit up, stand and drink.
Wound care
Absorbable sutures are used; they dissolve on their own.
Work
A return to work is possible 7–14 days after surgery, based on how physical your job is.
Restrictions
For the first few weeks, skip the bathhouse, sauna and intense exercise.
Diet
A staged diet is set for 1–2 months — from liquid to solid food — so the stomach can adapt.
Pace
Following the specialists' advice, patients lose on average 10% of excess weight per month.
Stabilization
The final result takes 1.5–2 years. By that stage, the patient has stable eating habits in place that block weight regain.
Important! Specialists from City Medical Centre supervise recovery and provide psychological and medical support at each weight-loss stage.
Duration
For 1 to 5 days the patient stays in the clinic under observation; this depends on the surgery's extent and related conditions.
Activity
Already in the first hours post-surgery you are allowed to sit up, stand and drink.
Wound care
Absorbable sutures are used; they dissolve on their own.
Work
A return to work is possible 7–14 days after surgery, based on how physical your job is.
Restrictions
For the first few weeks, skip the bathhouse, sauna and intense exercise.
Diet
A staged diet is set for 1–2 months — from liquid to solid food — so the stomach can adapt.
Pace
Following the specialists' advice, patients lose on average 10% of excess weight per month.
Stabilization
The final result takes 1.5–2 years. By that stage, the patient has stable eating habits in place that block weight regain.
Important! Specialists from City Medical Centre supervise recovery and provide psychological and medical support at each weight-loss stage.
Book a consultation
Call or message us -
our coordinator will contact you shortly
and book your consultation
Book a consultation
Call or message us -
our coordinator will contact you shortly
and book your consultation
Frequently asked questions
about bariatric surgery at CMC
Bariatric vs plastic surgery: what's the difference?
Many people confuse them, but the goals are fundamentally different. Bariatric surgery is a medical way to treat obesity and related diseases. It changes how the digestive tract works, getting at the causes of excess weight and metabolism. Plastic surgery only reshapes the body's outer contours; it does not treat obesity or affect metabolism.
How soon can I return to work and normal life?
Will there be visible scars?
We use modern laparoscopic technique. The operation is done through 4 small punctures of 5 to 15 mm. Cosmetic sutures are placed, so once healed the marks become almost invisible.
What diet do I need to follow?
Stage by stage, you move from liquid food to soft and then solid. Priority goes to protein, and high-calorie, fatty food is limited.
What types of bariatric surgery are there?
City Medical Centre carries out four main types of bariatric surgery: sleeve gastrectomy, Roux-en-Y gastric bypass, mini gastric bypass (MGB) and SADI-S duodeno-ileal bypass. The choice of method is individual, based on BMI, related conditions and the patient's goals.
Can I plan a pregnancy after surgery?
Bariatric surgery does not rule out pregnancy, but doctors suggest waiting 12–18 months or more. During that time the body settles, weight reaches target values and nutrition status normalizes.
Do I need to take vitamins after surgery?
Yes, vitamins are essential after bariatric surgery. As digestive anatomy changes, the body absorbs certain nutrients less well, so regular vitamin and mineral supplements become a lasting part of the patient's life.
Can the weight come back?
Regain after bariatric surgery is possible, but very unlikely if you follow the doctor's advice. Proper nutrition, no high-calorie drinks and regular follow-up visits with City Medical Centre specialists make the difference.
Prices
Submit an application before the month ends — free consultation on any service
Service
Discounted price
City Medical Centre licences
Other services at our clinic
Bariatric surgery in Istanbul: methods, stages and package
SADI-S combines a sleeve with intestinal bypass in two stages and is one of the most powerful bariatric operations, with 80–90% excess weight loss and a long-lasting result. It suits super obesity with a BMI over 50, severe type 2 diabetes, or a second stage after an ineffective sleeve. Anyone in Istanbul in these situations can discuss it at a consultation.
The work-up is done in one building with its own lab, ultrasound and gastroscopy, so preparation is quick and without queues. After laparoscopic surgery, the patient stays under observation for 1 to 5 days depending on the extent of the operation. Within the first hours you may sit up, stand and drink. Most Istanbul patients are up and moving on day one.
Your investment covers more than surgery. The package includes the full diagnostic programme, the chosen laparoscopic method, inpatient care with food and nursing staff, round-the-clock medical presence and specialists tracking your weight and tests throughout the first year. For people searching for weight loss surgery in Istanbul, the first consultation with the surgeon is free and takes about 15 minutes.
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