Second procedure · Re-sleeve · Bypass conversion · İzmir, Turkey

Gastric Revision Surgery in Turkey – when the sleeve is no longer enough

You lost the weight and it is coming back. Or the reflux has become worse. Or the band has been in place for years and no longer does what it should. This is not a personal failure — it is a well-documented course, and for each of these situations there is a surgical way back. This page explains when gastric revision surgery makes sense — and when we advise against it.

Re-sleevestomach narrowed again
Bypasswhere reflux is present
Bandremoval and conversion
4 nightshospital, never a hotel

Send us your operative report — even if you were operated on in the UK or at another clinic abroad. We never plan bariatric revision in turkey without the paperwork from the first operation.

Op. Dr. Volkan Arayici performing bariatric surgery in the operating theatre in Izmir
Op. Dr. Volkan Arayıcı IFSO member · more than 5,000 bariatric operations, including revisions after surgery elsewhere

Why am I gaining weight again after gastric sleeve surgery?

This is the most common question patients considering gastric revision surgery write to us with — and it almost always arrives with a sense of guilt. That guilt is misplaced. Weight regain five to ten years after surgery affects a substantial proportion of all operated patients. It has physical causes, not character ones.

The stomach stretches

The remaining stomach is elastic tissue. Over the years it can widen again, particularly where portions have regularly gone beyond the point of fullness. Volume grows, portions grow with it. This is exactly where a gastric resleeve applies.

Hunger returns

A sleeve removes the part of the stomach that produces ghrelin, the hunger hormone. That is why hunger almost disappears at first. Over the years the body compensates in part — other tissue takes over production.

Liquid calories

A small stomach limits solid food. It does not limit juice, milky coffee, alcohol or chocolate that melts in the mouth. Anyone who unconsciously shifts to those calories bypasses the operation without noticing.

Metabolism adapts

After substantial weight loss the body lowers its resting metabolic rate and raises hunger signals. That is a biological protective mechanism, not a failure. It is the reason maintaining is harder than losing.

Important, before you think about a second operation

Regaining five to ten per cent is normal and not a matter for the operating theatre. Only when a substantial share of the lost weight returns, or comorbidities come back, does gastric revision surgery become a subject at all. We assess that against your numbers, not against how you feel. More on the causes on our page about weight regain after gastric sleeve.

Before the second operation: medication first

This is the part you rarely read on clinic websites, because it does not earn anyone money. In patients with weight regain after a bariatric operation, our first step is usually not an operation.

Step 1Try GLP-1 analogues

Semaglutide or tirzepatide act on the same hormonal pathway that has weakened since the operation. In a proportion of patients that is enough to stop the regain — without a second procedure, without anaesthesia, without the added risk of revision.

Step 2Establish the cause, do not operate on the symptom

In parallel we look at what has come back: portion size, liquid calories, reflux, night eating. A widened anatomy is only one of several possible reasons — and only for that one does a second procedure reliably help.

Step 3Only then, revision

If the medication does not work, is not tolerated, or you do not wish to take it long term — and the anatomy justifies it — then we discuss gastric revision surgery turkey. In that order, not the other way round.

The case where we operate straight away

Where a patient does not want to stay on medication permanently and also suffers from reflux, the mini gastric bypass is usually the more sensible answer than another attempt with tablets or injections. It resolves both problems in one procedure. What else we know about handling these drugs is on our page about bariatric surgery after GLP-1 and Ozempic.

Which second procedure suits me?

Bariatric revision in turkey is not a single operation but a decision between several. Which route is right depends on your current anatomy and on what specifically went wrong — not on what is currently being marketed.

The sleeve has widened, no reflux→ Re-sleeve

The existing sleeve is narrowed again. The smaller of the two procedures, with no rerouting of the small bowel.

Reflux, heartburn, night-time regurgitation→ Conversion to bypass

A re-sleeve would make the reflux worse. The bypass diverts acid away from the junction with the oesophagus and resolves both at once.

Substantial regain, high BMI→ Bypass or mini bypass

Where a large share of the lost weight is back, restriction alone rarely suffices. The bypass adds the second, hormonal mechanism.

A gastric band is still in place→ Band-to-Sleeve Conversion

The band is removed and the stomach reshaped into a sleeve, in the same or in a second stage. Details further down.

CriterionRe-sleeveConversion to bypass
With refluxunsuitablesuitable
Extent of surgerysmallerlarger
Supplements afterwardsas beforelifelong, extended
Effect on type 2 diabetesmoderatestrong
Hospital stay4 nights4 nights
Reversiblenoin principle yes

Whether a re-sleeve or a conversion is right is only settled after gastroscopy and imaging. How the bypass works in detail, and who it suits even without a previous operation, is on our page about gastric bypass surgery in Turkey.

Gastric resleeve: narrowing the sleeve a second time

Where the sleeve has widened over the years and there is no reflux, the re-sleeve is the obvious route. It uses the existing anatomy and leaves the small bowel untouched — which is why it is the smaller of the two second procedures.

Can a gastric sleeve actually stretch again?

Yes. The remaining stomach is muscle and mucosa, not a rigid tube. Two things lead to widening: a sleeve created too wide from the outset — which we see regularly in patients operated on elsewhere — or gradual stretching through persistently large portions. Before any decision we perform a gastroscopy and imaging, so that we know whether a widened anatomy is genuinely present or whether the problem sits elsewhere. How you can spot the first signs yourself is described in detail on our page about gastric resleeve in Turkey.

In favour
  • Demonstrably widened sleeve on imaging
  • No reflux, or only mild
  • Wish to leave the small bowel untouched
  • No lifelong extended supplementation needed
Against
  • Existing reflux — it would worsen
  • Very substantial regain with a high BMI
  • Type 2 diabetes that needs treating
  • Sleeve was already narrow and has stayed narrow

What is different the second time round

After a previous operation there are adhesions. Tissue has to be released carefully before any work on the stomach can begin — which is why gastric sleeve revision takes longer than a first operation and belongs in experienced hands. We operate laparoscopically here too and test the seal during the procedure itself.

How the sleeve works as a first procedure, and what results are realistic without a previous operation, is on our page about gastric sleeve in Turkey.

Conversion to a gastric bypass

In gastric revision surgery there is one situation where a re-sleeve would be the wrong answer and conversion to a bypass the right one: reflux. And a second where the bypass is simply the stronger option: substantial regain at a high starting weight.

Reason 1Heartburn and regurgitation

A sleeve can cause or worsen reflux because pressure rises inside the narrow remaining stomach. Making it narrower still sharpens the problem. The bypass diverts acid away from the junction with the oesophagus — which is why it is the clean solution for night-time regurgitation, cough or long-term acid suppression. If you have been on proton pump inhibitors for years, say so.

Reason 2Substantial regain

The sleeve works through portion size. The bypass works additionally through gut hormones and reduced absorption. Where a large share of the lost weight is back, restriction alone rarely suffices — then conversion achieves more than another attempt at the same principle.

Mini bypass or classic bypass?

Both routes are possible after a sleeve. The mini gastric bypass has one anastomosis instead of two, takes less time and is technically easier to reverse — points that carry weight after a previous operation. The classic Roux-en-Y bypass is slightly more reliable where reflux is the driver. Which we recommend is decided after gastroscopy and on your symptoms, never as a blanket rule.

What you will need permanently afterwards

After conversion to a bypass, vitamin B12, iron, calcium and vitamin D are absorbed less well for good. Supplements and an annual blood count are not optional from that point — that is the price of the stronger effect, and it applies for life. What the mini bypass costs and how it differs in practice is on our page about the mini gastric bypass in Turkey.

Removing a gastric band and converting

Among all the reasons for gastric revision surgery, the gastric band is the oldest. It was the standard procedure for years and is barely used today. Many patients still carry one, however — often for ten years or more, often without regular checks. For them the Band-to-Sleeve Conversion is the most common reason to write to us, and the most common trigger for gastric revision surgery altogether.

How long can a gastric band stay in place?

There is no fixed deadline, but there is a point at which it becomes critical. A band left in for years can erode into the stomach wall, slip, or cause the stomach above it to dilate. Some patients notice this through vomiting, night-time regurgitation, or the fact that solid food no longer passes at all. If you carry a band and have not had a check for years, a gastroscopy is overdue — regardless of whether you are considering surgery.

Removal only

Possible where you do not want a new procedure or the anatomy is not yet suitable. Realistically, without a follow-on procedure the weight usually returns.

Removal + sleeve

The classic route. The band comes out and the stomach is shaped into a sleeve. This requires stomach wall tissue that is stable enough after removal.

Removal + bypass

Where reflux is present or the tissue at the band site is scarred. The bypass goes around that area instead of stapling through it.

Why we do not decide this over the phone

Whether band and conversion are possible in one procedure depends on how the tissue under the band looks — and that is only visible once the band is out. We tell you beforehand which of the two variants is likely, and decide finally in theatre. Anyone who gives you a guarantee in advance has not seen the stomach. What a band revision costs on its own is on our page about gastric band revision in Turkey.

Is a second procedure riskier than the first operation?

Yes. This belongs among the things that must be said before the decision and are missing from most pages. Gastric sleeve revision is technically more demanding than a first operation, and there are three concrete reasons for that.

01Adhesions

After any abdominal operation, tissue layers stick together. They have to be released before any work on the stomach can begin. That costs operating time and requires experience with previously operated abdomens.

02Altered tissue

At old staple lines, or under a band left in place for years, the stomach wall is scarred and less well perfused. That is precisely where the risk of a leaking suture is higher than in untouched tissue.

03Unknown starting point

In patients operated on elsewhere we often do not know exactly what was done. That is why we insist on the operative report from the first procedure — and on a gastroscopy before any date is given.

How we address this

  • Leak testing during the operation, not afterwards. We have not seen a leak by this route in years.
  • Three clearances before anaesthesia — cardiology, respiratory medicine, anaesthesia. If one is missing, we do not operate, even if you have already travelled.
  • Four nights in hospital with intensive care on site. Complications appear in exactly that window — not in a hotel room.
  • Declining is an option. If the work-up argues against gastric revision surgery, we say so instead of operating.

Which risks and drawbacks every bariatric procedure carries — not only the second one — are listed in full under gastric revision surgery risks. How high complication rates actually are, and how to recognise a safe clinic, is under how safe gastric surgery in Turkey is.

One procedure or two? The question that shapes your travel plans

With a Band-to-Sleeve Conversion, and in some re-sleeve cases, there are two routes: everything in one sitting, or two procedures with a pause in between. This is not a question of price but of tissue — and it determines whether you travel once or twice.

Single stageEverything in one operation

Band out and conversion in the same procedure. One anaesthetic, one journey, one hospital stay of four nights. Possible where the tissue under the band is healthy and well perfused — which it is in most patients.

The usual case
Two stageTwo procedures, three to six months apart

First the band alone is removed. The scarred tissue is given time to recover, and the conversion follows. Two journeys, two anaesthetics — but considerably safer where the stomach wall at the band site is damaged.

Where the tissue demands it

What this means for your planning

We tell you before you travel which variant is likely, based on gastroscopy, imaging and the report from your first operation. The final decision is made in theatre, once the band is out and we can see the tissue. If two stages are needed, we give you the terms for the second procedure beforehand — in writing, before you book. You will not learn that only after the first operation. The flight remains your own arrangement in both cases.

When band and conversion really can be done in one sitting is described with case examples under removal of the gastric band and conversion.

What a revision costs

All-inclusive from£3,500Fixed price on the day of surgery · no deposit · no instalments

The price for gastric revision surgery turkey applies from your landing in İzmir and covers the work-up including gastroscopy, the operation, four nights in hospital, medication and twelve months of aftercare. Your flight is not included.

Gastric revision surgery sits above the price of a first operation because it takes longer and needs more preparation. A gastric band revision starts at £3,600. In the UK, self-funding patients pay considerably more for a bariatric second procedure.

Every procedure in one price comparison — sleeve, bypass, balloon and revision — is set out in full on our page about gastric sleeve surgery price.

Will the NHS or private insurance pay for a revision?

Almost every patient weighing up gastric revision surgery after regaining weight asks this — and the answer is less comfortable than it was for the first operation.

Treatment abroad

No. Neither the NHS nor private insurers reimburse elective bariatric surgery carried out abroad as a self-funded procedure. Do not plan around it.

In the UK

Possible in principle, but harder than for a first operation. Funding panels expect evidence that the regain is not down to eating behaviour alone but has an anatomical cause. That is exactly where most applications fail — and waiting times run into years.

Paperwork

Whichever route you take, we issue a complete operative report in English, the findings of the work-up and an aftercare plan — documents your GP and any UK clinic can read if you are treated there later.

If you are considering an application at home, do it in parallel rather than instead. The work-up you need for it is the same one we ask for, so nothing is wasted either way.

Experiences: patients who came a second time

All quotes are taken verbatim from our public Trustpilot profile and can be read there with their dates — see all 160 reviews on Trustpilot (average 4.9). We do not claim that every one of these people had a revision — what is being reviewed is the consultation, the process and the care. With a second procedure, that is precisely the question that counts.

"The main part I really appreciated was the tests they did before my operation. I've had many operations since I was a kid and the tests before this op was a lot more than any other operation I've had in the uk."
Steph · Trustpilot, May 2024 · 5 starswork-up before surgery
"Fantastic communication beforehand with his Team via WhatsApp! Nice WhatsApp group for previous and current clients to exchange experiences and questions. […] Very re-assuring for this high anxiety lady."
Lena · Trustpilot, October 2024 · 5 stars
"He is 24/7 online for his Patient's."
Bonnie · Trustpilot, May 2024 · 5 stars
Op. Dr. Volkan Arayici with a patient and the team in the hospital room in Izmir
The day after surgery, in the hospital room. With gastric revision surgery you stay here for four nights — not in a hotel. Complications appear in exactly that window, which is why care is the point patients mention most often in their reviews.

More accounts, including first operations and other procedures, are collected under gastric sleeve Turkey experiences.

Recovery, daily life and the part in your head

A great deal is written about gastric revision surgery itself and very little about the weeks afterwards — and practically nothing about what a second operation means psychologically. Both belong here.

When are you back in daily life?

Week 1–2Light activityWalking from day one, short distances, nothing over five kilos. Liquid diet as planned.
Week 3–4Back to workDesk work is usually possible. Physically heavy work considerably later — agree this with us beforehand so your sick note is planned realistically.
Week 4–6Full recoveryAfter a second procedure this often takes longer than the first time, because more tissue had to be released. Exercise that loads the abdominal wall only once cleared.

The part nobody talks about

Almost every patient who comes to us because of weight regain brings a sense of shame with them. "I messed it up." "Others manage it, I don't." That is the most common line in the first messages — and it is factually wrong. Regain after five to ten years is a known, biologically explicable course, not a character problem.

What a second procedure can give you

Beyond the weight, patients above all describe getting control back — and that comorbidities such as type 2 diabetes or high blood pressure are better managed again. For many that is the real gain, not the number on the scales.

What it will not give you

Surgery does not resolve eating driven by stress, grief or boredom. Where that is the main reason for the regain, a second procedure helps only temporarily. We say so beforehand — and then recommend psychological support alongside the operation, not instead of it.

What changes psychologically — mood, self-image, the relationship with your own body — is described in a separate article: personality changes after gastric bypass. How relationships and intimacy develop is under sex after gastric sleeve surgery.

Patients on video

Two recordings from the clinic in İzmir, both in English and both from patients who came for gastric revision surgery. The patients speak for themselves — no script, no cutting down to single sentences. The videos load only when you click on them.

Jacqueline talking in the hospital room about her band removal and bypass in Izmir 1:50
Jacqueline: band out, bypass inA revision from start to finish — the gastric band removed and converted to a bypass. Exactly the case this page is about, described by the patient herself, filmed in the hospital where she spent the first days.
Op. Dr. Volkan Arayici in theatre and patients after sleeve gastrectomy in Turkey 3:01
Inside theatre and afterwardsWhat the first operation looks like and how patients are doing later. Useful context if you are weighing up a second procedure: the same team, the same hospital, the same aftercare.

Privacy notice: the videos load only when you click the preview image. Clicking transfers data to YouTube and YouTube's privacy policy applies. No connection to YouTube is made before that.

Before and after: results following a second procedure

All images are from patients who travelled to İzmir for gastric revision surgery and consented to publication. None of them had a first operation only. We show them without names and without ages — and we quote only the weight figures documented on the images themselves.

Band-to-Sleeve Conversion: female patient before and after, 45 kilos lighter
−45 kgPatient from Spain, on the left on admission day with Op. Dr. Volkan Arayıcı, on the right later the same year.
Gastric revision surgery Turkey: male patient before and after, 85 kilos lost
−85 kgThe largest documented weight loss in this selection — a course that is possible at a very high starting weight.
Gastric revision surgery before and after image of a patient 55 kilos lighter
−55 kgImages taken several months apart, documented as part of the twelve-month aftercare.
Gastric revision surgery before and after pictures: patient 54 kilos lighter
−54 kgPatient in a direct before-and-after comparison following bariatric surgery in İzmir.
Gastric revision surgery in Turkey: before and after result of a female patient
Before-and-after comparison with no weight figure — the course is documented, the exact number is not available to us, so we do not quote one.
Bariatric revision in turkey: male patient in a before and after comparison
Male patient after a repeat gastric operation. Again without a weight figure, because it is not documented.

Results are individual. How much weight someone loses after a second procedure depends on the starting weight, the reason for the revision, comorbidities and engagement with aftercare. These images are examples, not a promise — and some of these patients already had a first operation behind them before the revision.

See the gallery with all before and after images

Who operates — and what we need from you first

SurgeonOp. Dr. Volkan ArayıcıSpecialist in general and visceral surgery, member of the IFSO, more than 5,000 bariatric operations. He operates on every patient himself — including the second procedures, where experience with previously operated abdomens is what counts.
HospitalÖzel Medifema Hastanesi, İzmirPrivate hospital in Torbalı, around 12 kilometres from İzmir airport. JCI- and TEMOS-accredited, with its own intensive care unit on site — the decisive point in a revision.
AccommodationFour nights in hospitalNo hotel transfer after the operation. A companion can stay overnight in the room. Plan five to seven days in Turkey in total.

What we need to see before a date is given

  • The operative report from your first operation. We need to know what was actually done — not what you were told at the time. If you do not have it, request it from the clinic; you are entitled to it.
  • A current gastroscopy. It shows whether the sleeve is widened, whether reflux is present and whether a band has eroded. Without it, any recommendation is guesswork.
  • Your weight history. Starting weight, lowest point, current weight with approximate dates. That tells us whether this is genuine regain or a normal fluctuation.
  • Your medication. Acid suppressants and GLP-1 drugs in particular — both change the planning.

Send it to us on WhatsApp. We never plan bariatric revision in turkey without these documents — and we will tell you honestly if, having reviewed them, we advise against a second procedure.

Not sure whether your case is suitable for a revision at all?

Send me your height, your weight, the year of your first operation and what is going wrong now. I will look at it personally and tell you whether gastric revision surgery makes sense in your case — including when the answer is that no operation is needed for the moment.

Ask for a free assessment on WhatsApp

Frequently asked questions about gastric revision surgery

Is it normal to regain weight after gastric sleeve surgery?

Yes. Regaining five to ten per cent after the lowest point is the rule and not a setback. Only when a substantial share of the lost weight returns, or comorbidities such as diabetes and high blood pressure come back, do we speak of regain that needs treating.

Can a gastric sleeve stretch again?

Yes, the remaining stomach is stretchable tissue. Two causes are possible: a sleeve created too wide from the start, or gradual stretching over years. Only a gastroscopy and imaging show which applies to you — and whether a gastric resleeve makes sense at all.

Can a gastric sleeve be narrowed a second time?

Yes, that is the re-sleeve. It applies where the sleeve is demonstrably widened and there is no reflux. If reflux is present, a re-sleeve would worsen the symptoms — then conversion to a gastric bypass is the right route.

How many times can you revise at all?

There is no fixed number, but scarring and risk rise with each procedure. In practice, after a second procedure you have usually reached the end of what surgery can sensibly offer. That is why we treat revision as a decision to get right once — and check beforehand whether medication would be enough.

Can a gastric sleeve be reversed?

No. A sleeve removes part of the stomach, and removed tissue cannot be brought back. What is possible is conversion to another procedure, such as a gastric bypass. A bypass, by contrast, is reversible in principle, because nothing is removed — only rerouted.

Is a second procedure riskier than the first operation?

Yes. Adhesions, scarred tissue at old staple lines and the often unclear starting point make gastric sleeve revision technically more demanding. We address this with a gastroscopy and the operative report before any date is given, three specialist clearances before anaesthesia, and leak testing during the procedure itself.

Can a gastric band be removed again?

Yes, and in many cases it is overdue. A band left in for years can slip, erode into the stomach wall or dilate the stomach above it. Removal on its own is possible, but without a follow-on procedure it usually leads to renewed weight gain — which is why the Band-to-Sleeve Conversion is the more common route.

How long can a gastric band stay in place?

There is no fixed deadline. What matters is regular checking. If you carry a band and have not had a gastroscopy for years, that is worth doing — regardless of whether you are considering a second procedure.

Should I try Ozempic or Mounjaro first?

Usually yes. Where there is weight regain after a bariatric operation, our first step is normally not a second procedure but a trial of GLP-1 analogues. For a proportion of patients that is enough. Anyone who does not want to stay on the medication and also suffers from reflux is usually better served by a mini gastric bypass.

Do you accept patients who were operated on elsewhere?

Yes — with gastric revision surgery turkey that is in fact the rule. Most of our revision patients had their first operation in the UK or at another clinic. The condition is the operative report from that first procedure. Without it we do not schedule a date.