Historical information · not offered

Jejunoileal Bypass in Turkey

An abandoned historical intestinal bypass documented because its late complications can still require specialist care.

Request revision assessment

Procedure snapshot

ApproachDiscontinued historical surgery

Anatomical changeMajor anatomical change

Centre statusHistorical information · not offered

Bariatric surgical assessmentDr Kenan Afilitak

Understand the procedure

What is Jejunoileal Bypass?

Jejunoileal bypass excluded most of the small intestine from food flow without creating a modern gastric restriction. The profound malabsorption caused serious long-term complications.

Jejunoileal bypass excluded most of the small intestine and was abandoned because of serious long-term complications. It is included only to support informed historical and revision discussions.

01Discontinued historical surgeryTreatment approach

02Major anatomical changePermanence

03Historical information · not offeredClinical status

Previous-procedure assessment

Who should seek specialist review?

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.

Never offered as a new procedure

People who had the operation historically

Assessment for liver, kidney, bowel or nutrition complications

Specialist consideration of reversal or conversion

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

Included for historical understanding only
Explains anatomy behind late symptoms
Supports safe referral and revision planning
Modern alternatives have replaced it

Risks and disadvantages

Severe diarrhoea and malnutrition
Liver injury or liver failure
Kidney stones and kidney disease
Electrolyte imbalance and vitamin deficiency
Inflammatory, immune and bowel complications

Follow-up requirements

Urgent review for new systemic or abdominal symptoms
Comprehensive liver, kidney and nutrition testing
Locate old operative records where possible
Revision or reversal only in specialist centres

Step by step

A safe assessment pathway.

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

Collect records

Previous operation report, imaging, endoscopy and medicine list.

Review symptoms

Weight change, pain, vomiting, reflux and nutrition problems.

Define anatomy

Endoscopy, imaging and blood tests when indicated.

Compare options

Monitoring, device care, reversal or modern revision pathways.

Editorial visual of a consultation with Dr Kenan Afilitak

Illustrative consultation scene

Specialist revision assessment

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

Frequently asked questions

Jejunoileal Bypass questions, answered clearly.

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

01Is Jejunoileal Bypass still performed today?+

Jejunoileal Bypass is not offered as a new treatment at Istanbul Obesity Center. This page supports historical understanding and safe referral for people who previously had the operation.

02How did Jejunoileal Bypass work?+

Jejunoileal bypass excluded most of the small intestine from food flow without creating a modern gastric restriction. The profound malabsorption caused serious long-term complications.

03Why is it no longer preferred?+

It has been replaced by safer, better-standardised modern options and is not used as a new primary treatment because of long-term concerns including severe diarrhoea and malnutrition, liver injury or liver failure, kidney stones and kidney disease, electrolyte imbalance and vitamin deficiency, inflammatory, immune and bowel complications.

04What information should I collect if I had this operation?+

Previous operation reports, discharge summaries, recent endoscopy or imaging, current medicines, weight history and present symptoms make specialist assessment safer.

05Is revision surgery always required?+

No. Revision depends on symptoms, anatomy, nutrition, risks and the balance of modern alternatives.

06Which symptoms need urgent medical help?+

Severe or worsening abdominal pain, persistent vomiting, bleeding, fever, jaundice, collapse, breathlessness or inability to keep fluids down may require urgent assessment.

07How much does revision assessment cost?+

Your anatomy, investigations and required specialists are identified first. Any fee is provided only after a personalised plan and itemised scope are confirmed in writing.

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