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Coronary stent overview
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A coronary stent is a tiny mesh tube that a doctor places inside a narrowed or blocked artery that supplies blood to your heart. The stent holds the artery open so blood can flow better. The procedure to place a stent is called angioplasty.
Key facts
Yes, coronary stenting is one of the most common heart procedures done worldwide. Millions of stents are placed each year.
People who have coronary artery disease — a condition where fatty deposits narrow the heart arteries. It is more common in older adults, men, and those with risk factors such as smoking, high blood pressure, high cholesterol, diabetes, or a family history of heart disease.
The need for a coronary stent is usually determined after tests show narrowing or blockage in the heart arteries. The most common test is a coronary angiogram, where a thin tube is threaded into the heart arteries and dye is injected to see blockages on X-ray.
If your doctor finds a blockage that can be treated with a stent, it is often placed during the same angiogram procedure. You will be awake but given medicine to help you relax. The doctor makes a small cut in your groin or wrist, guides a thin tube to the blockage, and expands a tiny balloon to open the artery. Then the stent (a mesh tube) is placed to keep the artery open.
The main treatment for a narrowed coronary artery is to open it up and keep it open. A coronary stent is the most common way to do this. After the stent is placed, you will need to take certain medicines to prevent blood clots and manage cholesterol. Lifestyle changes are also a key part of treatment.
Most people can go back to normal activities within a week after getting a stent. You may feel tired at first, but that is normal. You will need to avoid heavy lifting and strenuous exercise for a few days. Your doctor will tell you when it is safe to return to work.
Eat a heart-friendly diet: plenty of vegetables, fruits, whole grains, lean protein (like fish and chicken), and healthy fats (like olive oil and nuts). Limit processed foods, red meat, and sugary drinks. For exercise, start with gentle walking and gradually increase as you feel better. Cardiac rehabilitation (a supervised program of exercise and education) is highly recommended.
While a stent itself is a treatment, you can take steps to prevent future blockages from forming in your other arteries. Eating a healthy diet, staying active, not smoking, and controlling blood pressure, cholesterol, and diabetes all reduce your risk of needing another stent or having a heart attack.
Regular health checkups to monitor your blood pressure, cholesterol, and blood sugar levels can help catch problems early. If you have a family history of heart disease, talk to your doctor about when to start screening.
Having a coronary stent is very effective at opening blockages and restoring blood flow. Most people live active, full lives after their procedure. By taking your medicines and making heart-healthy choices, you can greatly reduce the risk of future problems. Your healthcare team will help you stay on track.
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 9, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.
After stent placement, you will be prescribed medications to prevent blood clots from forming inside the stent (antiplatelet medicines) and often medicines to lower cholesterol, control blood pressure, or manage diabetes. Your doctor will tell you which ones are right for you. It is very important not to stop these medicines without talking to your doctor.
If you have severe or widespread blockages that are not suitable for stenting, your doctor may recommend coronary artery bypass graft (CABG) surgery. This is a more invasive procedure where healthy blood vessels are taken from another part of your body and used to create a new path for blood to flow around the blockage.
It is very common to feel anxious, worried, or down after a heart procedure. Talking about your feelings with your doctor, a counsellor, or a support group can help. If you have thoughts of harming yourself, call your local emergency number or a crisis helpline immediately. You are not alone.