Radiology·Radiology
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Embolisation is a medical procedure that blocks blood flow to a specific area of the body. A doctor called an interventional radiologist uses a thin, flexible tube called a catheter to deliver tiny particles or coils into blood vessels. This stops blood from reaching a tumour, a bleeding spot, or an abnormal cluster of vessels. The aim is to treat the problem without major surgery.
Key facts
Embolisation is not done every day, but it is a well-established procedure available at many hospitals, especially those with a specialist radiology department.
The people who may be helped by embolisation vary because it is used for different conditions. For example, women with heavy bleeding from fibroids, people with bleeding after an injury, and patients with certain liver or kidney tumours may all be considered for this treatment.
Before embolisation, doctors need to find the exact cause of your symptoms. They will use imaging tests to look at your blood vessels and the area that may need treatment.
You will usually have a consultation with an interventional radiologist. They will review your medical history, do a physical exam, and suggest the best imaging tests. The tests are generally painless but may involve lying still for a while. Afterwards, your doctor will explain if embolisation is a good option for you.
Embolisation is one of several treatment options. It is not the only choice, and your doctor will discuss alternatives such as medicines (for example, to control bleeding), other minimally invasive procedures, or surgery. The procedure itself is done by a specialist radiologist, often under local anaesthetic with sedation, so you are awake but relaxed. A tiny cut is made in your groin, arm, or wrist, and a catheter is guided through your blood vessels to the target area using X-ray video. Then tiny particles, coils, or a special glue is released to block the vessel. The whole process can take one to three hours, depending on the complexity.
After embolisation, most people go home the same day or stay in hospital overnight. You may feel tired or have some mild pain for a few days. Most people return to normal activities within a week. You will have a follow-up appointment to check how well the treatment worked, often with an imaging test after a few months.
There are no special dietary restrictions after embolisation. A balanced diet with plenty of fruits, vegetables, and whole grains supports healing. Gentle walking is fine the day after the procedure, but avoid heavy exercise for about a week. Your doctor will give you personalised advice.
Embolisation is usually a treatment, not a preventive measure. Most of the conditions it treats, such as fibroids or vascular malformations, cannot be prevented. However, a healthy lifestyle that includes not smoking, managing blood pressure, and maintaining a healthy weight may lower your risk of some blood vessel problems.
There is no routine screening for conditions that might require embolisation. If you have symptoms such as heavy bleeding, pelvic pain, or unexplained bleeding, see your doctor for evaluation.
Embolisation is usually very effective. Most people who have the procedure experience significant improvement in their symptoms. For example, women with fibroids often see a 50-80% reduction in heavy bleeding and pain. Like any medical procedure, there are some risks, such as a small chance of infection, bruising at the puncture site, or the embolic material going to the wrong place. Your doctor will explain these risks before the procedure. Overall, the outlook is positive, and complications are uncommon when performed by an experienced radiologist.
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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 16, 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.
Embolisation is a medical procedure itself. Other treatments for the underlying condition may include hormone therapies to shrink fibroids, medicines to control high blood pressure or bleeding risk, and other interventional procedures like radiofrequency ablation (using heat to destroy tissue). Surgery, such as myomectomy (removal of fibroids) or hysterectomy, is sometimes used if embolisation is not suitable or does not work. Your doctor will recommend the approach that best fits your health and preferences.
Surgery may be considered if embolisation is not possible, for example if the blood vessels are too small or if the condition is better treated by removing the affected organ. Your doctor will explain when surgery might be the better option.
Waiting for a procedure and recovering from it can be stressful. Some people feel anxious about the outcome or worry about possible complications. It is normal to have these feelings. Talk to your healthcare team – they can answer your questions and reassure you. If you feel very anxious or down, reach out to a counsellor or a support group for people with similar conditions.