Prof. Dr. Ali Serdar Fak
Cardiac SurgeryVerified
- 29+years exp.
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Interventional Cardiology
Covered stent placement
What a covered stent (stent graft) is, when it is used to seal a torn or bulging artery or to treat a graft or blocked vessel, how it differs from a drug-eluting stent, how placement is done, approximate costs in Turkey against the UK, US and Germany, the hospital stay, recovery, antiplatelet tablets, risks and how to check a vascular team.
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Dr. Bülent İlçöl
Cardiac SurgeryVerified
- 25+years exp.
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What is covered stent placement, and how is it different from a normal stent?
Covered stent placement means implanting a stent that has a thin fabric or membrane wrapped around a metal mesh. A normal stent is an open mesh that props an artery open but lets blood seep through its gaps. A covered stent (also called a stent graft) is sealed, so it acts as a patch from inside the vessel. It is therefore chosen when the aim is to close off a hole, a tear or a bulge in an artery wall, or to stop debris from a diseased vessel travelling downstream, and not simply to widen a narrowing. In cardiology it is used mainly to seal a coronary artery that has been torn during a procedure, and in some patients with a diseased bypass vein graft. Our cardiology treatments in Turkey hub lists the related procedures.
This guide explains when a covered stent is used, how it is placed, what it costs compared with the UK, US and Germany, and what recovery and follow-up involve. It is general information and does not replace the advice of your own cardiologist or vascular specialist.
When is a covered stent used instead of a standard stent?
The covering matters in a handful of situations:
- Coronary perforation: a rare tear in a heart artery, usually during angioplasty, where blood leaks into the sac around the heart. A covered stent can seal the tear quickly and is a recognised emergency treatment.
- Aneurysm or false aneurysm: a bulge in an artery wall that a covered stent can exclude from the circulation. In the aorta this is done with larger stent grafts; see aortic stent grafting.
- Diseased vein bypass grafts: older vein grafts fill with soft, crumbling plaque; a covered stent was tried to trap it, though trials have not shown a clear advantage over standard stents.
- Peripheral and carotid vessels: some narrowed or injured arteries in the leg or neck are treated with covered stents.
Because the indications are narrower than for an ordinary stent, a covered stent should come with a clear explanation of why it was chosen.
Does covered stent placement work, and what does the evidence say?
For a coronary perforation, covered stents have a long record and are accepted in guidelines from the European Society of Cardiology and in cardiology society consensus papers; they can stop bleeding that would otherwise need emergency surgery. Results are less convincing in vein graft disease: randomised trials of PTFE-covered stents in vein grafts did not show a better outcome than bare-metal stents. A covered stent also has no drug coating in most designs, which can mean a higher chance of the vessel narrowing again, so follow-up and tablets matter. For aneurysms, stent grafts are an established treatment, with benefits and long-term surveillance needs described by vascular societies and NICE. Ask for the reason for the choice, and for the other options.
How is covered stent placement done, step by step?
Placement follows the same catheter route as an ordinary stent, through the wrist or groin artery under local anaesthesia with sedation. The cardiologist advances a guide wire and delivers the stent, crimped on a balloon, to the site under X-ray, with contrast dye. In a coronary perforation, speed matters: a balloon may first be inflated to stop the leak, then the covered stent is placed to seal it. Because the covering makes the stent stiffer and bulkier, delivery can be harder in twisting arteries. After deployment the cardiologist repeats the pictures to confirm that blood no longer leaks and that flow is good. Duration is typically 45 minutes to two hours.
Covered stent placement cost in Turkey compared with the UK, US and Germany
These are approximate ranges for a planned procedure and are not hospital quotes. Emergency treatment, additional stents, intensive care and complications change the cost significantly. The hospital confirms its price in writing after reviewing your reports.
| Country | Approximate cost range |
|---|---|
| Turkey | €4,000 – €12,000 |
| United Kingdom | €10,000 – €22,000 |
| United States | €25,000 – €55,000 |
| Germany | €9,000 – €18,000 |
What changes the price: the vessel treated (heart, leg, neck or aorta), the size and number of covered stents, imaging used during the procedure, the days in hospital and any additional angioplasty. A covered stent costs more than a standard stent because of the device itself. A package normally includes pre-procedure tests, the procedure, the device, hospital nights, discharge medication and transfers; ask for the list in writing and the number of devices assumed.
Covered stent, drug-eluting stent or surgery?
The right choice depends on what is wrong with the vessel. The table compares the usual options.
| Option | Best suited to | Typical limits |
|---|---|---|
| Covered stent | Sealing a tear or aneurysm; selected graft disease | Stiffer, harder to deliver; risk of clot or re-narrowing; needs antiplatelet tablets |
| Drug-eluting stent | Narrowed coronary arteries; see coronary stenting | Does not seal a leak or aneurysm |
| Surgery | Large tears, complex or failed catheter treatment | Open operation with a longer recovery |
For a narrowing without a tear or aneurysm, a standard drug-eluting stent usually does the job; see coronary angioplasty for how that treatment works.
Who is a good candidate for a covered stent, and who is not?
A covered stent suits patients with a confirmed perforation, aneurysm or specific graft problem, a vessel of suitable size and shape for the device, and the ability to take dual antiplatelet tablets for the period advised. It may not be suitable if the artery branches are essential and would be covered by the device, if the vessel is very small or twisted, if you cannot take antiplatelet drugs, or if another treatment would be safer. A planned procedure allows time for imaging; an emergency does not, and an emergency is not a reason to plan travel.
How long is the stay in Turkey, and what does recovery look like?
After a planned covered stent most people stay one to two nights and remain near the clinic for several days so that the cardiologist can review the puncture site and medicines before the flight. After an emergency or a large device the stay is longer, set by how you recover.
- Days 1 to 3: walking, a check of the puncture site, tablets started or continued.
- Week 1: light activity; no heavy lifting; many people return to desk work in about a week.
- Weeks 2 to 6: increasing walking; follow-up imaging if advised; contact your cardiologist with chest pain, breathlessness or a swollen, painful puncture site.
- Driving and flying: only when the cardiologist agrees.
Which tablets will I take after placement, and for how long?
Because a stent is a foreign surface in the blood, you take antiplatelet tablets to prevent clots forming on it. Commonly this is aspirin plus a second drug for about six to twelve months, then aspirin alone, but the duration for a covered stent is set by the cardiologist and depends on the vessel and the reason for placement. Stopping tablets early is the biggest avoidable risk. Ask for a written list of drugs, doses and dates, and tell any dentist or surgeon that you have a stent before any procedure.
What are the risks of covered stent placement?
As with any catheter procedure, risks include bleeding or bruising at the puncture site, an allergic reaction to the contrast dye, kidney strain, irregular heart rhythm and damage to the artery. Specific concerns with covered stents are clot formation inside the stent (stent thrombosis), narrowing at the ends of the device and blocking of a side branch that the covering crosses. Serious complications, including heart attack, stroke or the need for emergency surgery, are uncommon but are the reason the team should have surgical back-up on site. The NHS and the British Cardiovascular Society explain stent risks in general terms; your cardiologist should describe those that apply to your vessel before you consent.
How do I choose a hospital, and what are the red flags?
Choose a licensed hospital with a catheterisation laboratory, vascular or cardiac surgery on the same site, intensive care and 24-hour cardiology cover. Ask how often the team places covered stents and in which vessels. Red flags include recommending a covered stent without images, no explanation of why a standard stent is not enough, quotes without a device count and no plan for antiplatelet follow-up. Read how our process works and use the free quote form so that the hospital reviews your reports and sends a written plan and price.
Questions to ask the clinic before you travel
- Why is a covered stent chosen for me instead of a standard stent?
- Is surgical back-up available in the same hospital?
- Which device is used, and will I receive an implant card?
- How long do I take antiplatelet tablets?
- When can I fly, and who follows me at home?
Hospitals with Cardiac Surgery in Turkey
Frequently asked questions
A covered stent, or stent graft, is a metal mesh stent wrapped in a thin fabric or membrane so that it seals the artery wall like a patch. It is used to close a tear or bulge and not just to widen a narrowing.
It is mostly used to seal a torn heart artery (coronary perforation), to exclude an aneurysm or false aneurysm, and in selected cases of diseased vein grafts or peripheral vessels. A cardiologist should explain why it is chosen.
For sealing a coronary perforation it is a recognised and effective emergency treatment. In diseased vein grafts trials have not shown a clear advantage over standard stents, so the choice should be made case by case.
A planned procedure is approximately €4,000 to €12,000 in Turkey, against about €10,000 to €22,000 in the UK. The price depends on the vessel, the size and number of devices and the hospital stay, confirmed in a written quote.
A drug-eluting stent is an open mesh that releases a medicine to keep a narrowed artery open. A covered stent is sealed and has no such role; it closes a hole or bulge in the vessel wall.
Many people walk the same day, return to desk work within about a week and build up activity over several weeks. Antiplatelet tablets continue for months, and the exact timing depends on the vessel and procedure.
A planned procedure usually needs one to two hospital nights and a few extra days nearby for review before flying. Emergency cases, large devices or complications may need longer.
It is done through the wrist or groin with local anaesthesia and sedation. You may feel pressure or brief chest tightness, and afterwards some soreness at the puncture site that settles within days.
It is generally safe in experienced hands, but risks include bleeding, contrast reactions, kidney strain, clots in the stent and blocking of a side branch. Rarely, serious complications need emergency surgery.
Usually two antiplatelet tablets for around six to twelve months, then one long term, but your cardiologist sets the period. Stopping early raises the risk of a clot forming inside the stent.
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