Established treatment pathway

Mini Gastric Bypass (OAGB) in Turkey

A one-anastomosis gastric bypass with restrictive and metabolic effects, selected after detailed reflux and nutrition assessment.

Request specialist assessment Dr Kenan’s team

Procedure snapshot

ApproachLaparoscopic surgery

Anatomical changeMajor anatomical change

Centre statusEstablished treatment pathway

Bariatric surgical assessmentDr Kenan Afilitak

Understand the procedure

What is Mini Gastric Bypass (OAGB)?

One-anastomosis gastric bypass creates a long, narrow stomach pouch and connects it to a measured loop of small intestine through one surgical join. Food bypasses part of the upper intestine.

OAGB creates a long gastric pouch connected to the small intestine through one join. Nutritional risk, bile reflux and individual anatomy must be reviewed before selection.

01Laparoscopic surgeryTreatment approach

02Major anatomical changePermanence

03Established treatment pathwayClinical status

Individual selection

Who may be considered?

BMI alone does not select a treatment. Medical history, metabolic health, reflux, previous procedures, nutrition and capacity for long-term follow-up are considered together.

Obesity with a need for strong metabolic treatment

Type 2 diabetes or related metabolic conditions

People able to commit to lifelong supplements and monitoring

Selected primary or revision cases after specialist review

Clinical safety:

This is general information. A decision should follow discussion of individual risks, alternatives and the option of no procedure.

Balanced decision

See potential benefits and limitations together.

Potential benefits

One intestinal connection
Strong weight-loss and metabolic potential
Usually a shorter technical reconstruction than Roux-en-Y
Can be considered in selected revision pathways

Risks and disadvantages

Bleeding, leak, infection and clots
Bile reflux or reflux symptoms
Ulcer at the gastro-intestinal join
Diarrhoea or altered bowel habit
Protein, iron, B12 and other deficiencies

Follow-up requirements

Staged post-operative diet
Long-term protein and hydration targets
Daily supplements tailored to blood results
Lifelong multidisciplinary monitoring

Step by step

From first review to long-term follow-up.

The pathway and timing vary with individual medical needs; obtain your written plan before flights or payment.

Initial assessment

Medical history, BMI, medicines, goals and previous attempts.

Clinical selection

Surgeon or responsible clinician review, tests and comparison of alternatives.

Written plan

Hospital, clinician, inclusions, price, travel and aftercare confirmed.

Treatment & follow-up

Procedure, discharge, nutrition progression and long-term clinical review.

Transparent quotation

Mini Gastric Bypass (OAGB) price and package scope.

No verified fixed price has been supplied for procedures other than gastric sleeve. A personal quotation follows confirmation of suitability, responsible clinician, hospital time, tests, materials or device and aftercare.

Request an itemised quote

Responsible clinician and clinical plan

Required tests and anaesthesia

Hospital or procedure-centre scope

Device and materials where applicable

Hotel, interpreter and transfers if included

Nutrition, medicines and aftercare plan

Patient experiences

See results—and ask for the details.

These images show different bariatric patient journeys at the centre and may not represent this exact procedure. Results vary and are never a guarantee.

Bariatric patient journey result 1 — Real patient journey

Bariatric patient journey result 2 — Real patient journey

Bariatric patient journey result 3 — Real patient journey

Independent reviewsRead current positive and critical feedback on the source platforms.

Google Reviews Trustpilot Patient Reels

Editorial visual of a consultation with Dr Kenan Afilitak

Illustrative consultation scene

Your doctor and care team

Dr Kenan Afilitak

General Surgery and Bariatric Surgery Specialist Dr Kenan Afilitak works with the multidisciplinary team across bariatric, metabolic and laparoscopic surgical assessment.

The centre has focused on obesity care for more than 22 years. The responsible treating clinician, hospital and aftercare plan should be confirmed in writing before booking.

Surgeon profile +90 546 917 81 97

Bariatric coordinatorMustafa Hekin+90 544 388 28 34 Bariatric dietitianAylin Demir+90 505 459 11 62

Hospital interpreterYaseminCommunication support from admission to discharge

Your treatment setting in Istanbul

Hospital, room and partner hotel.

The proposed facility and accommodation can vary with procedure and clinical need; verify the official name and current applicable documents before booking.

Istanbul hospital room — Hospital & clinical care

A first screening step

Calculate BMI—then decide with the team.

BMI is only one part of assessment. Procedure choice also depends on medical history, related conditions, anatomy, nutrition and individual risks.

Your result—

Enter your height and weight for a screening BMI estimate.

BMI is a screening measure, not a diagnosis or a decision about surgery. Medical history, related conditions, nutrition, previous weight-management attempts and surgeon assessment are also required.

Frequently asked questions

Mini Gastric Bypass (OAGB) questions, answered clearly.

What to know about suitability, risk, price, travel and aftercare before booking.

01What is Mini Gastric Bypass (OAGB)?+

One-anastomosis gastric bypass creates a long, narrow stomach pouch and connects it to a measured loop of small intestine through one surgical join. Food bypasses part of the upper intestine.

02Who may be suitable for Mini Gastric Bypass (OAGB)?+

Obesity with a need for strong metabolic treatment. Type 2 diabetes or related metabolic conditions. People able to commit to lifelong supplements and monitoring. Selected primary or revision cases after specialist review.

03What are the main potential benefits?+

One intestinal connection. Strong weight-loss and metabolic potential. Usually a shorter technical reconstruction than Roux-en-Y. Can be considered in selected revision pathways.

04What are the risks and disadvantages?+

Bleeding, leak, infection and clots; Bile reflux or reflux symptoms; Ulcer at the gastro-intestinal join; Diarrhoea or altered bowel habit; Protein, iron, B12 and other deficiencies. Personal risks must be discussed with the surgeon or responsible clinician.

05How much does Mini Gastric Bypass (OAGB) cost in Turkey?+

No verified fixed price is published for this procedure. An itemised personal quotation is supplied after tests, hospital stay, responsible clinician, device or material, accommodation and aftercare needs are defined.

06How long would I need to stay in Turkey?+

Length of stay depends on the procedure, investigations, hospital observation and individual recovery. You should receive a written travel and discharge plan before booking flights.

07What does recovery and nutrition involve?+

Staged post-operative diet. Long-term protein and hydration targets. Daily supplements tailored to blood results. Lifelong multidisciplinary monitoring.

08Is Dr Kenan Afilitak involved in assessment?+

Bariatric and metabolic surgical assessments are planned with Dr Kenan Afilitak and the relevant multidisciplinary team. The responsible treating clinician and hospital are confirmed in writing before booking.

09Is aftercare included after treatment?+

Nutrition, supplements, blood tests, medicine changes and urgent contact routes are defined in the written aftercare plan for the selected procedure. Long-term clinical review remains important.

Medical sourcesASMBS — Bariatric surgery procedures NICE — Overweight and obesity management

Free initial assessment

Let’s assess the right approach for you.

Complete the form and our medical coordination team will contact you on WhatsApp. Final suitability is decided only after surgeon review and appropriate testing.

+90 545 133 99 79 info@istanbulobesitycenter.com