Angiography is a medical imaging technique designed to visualize and therefore study blood vessels and their dividing branches that are not visible on standard radiography.
Arteriography is also used to refer to the exploration of arteries and phlebography to refer to the exploration of veins.
Angiography is the visualization of the body's blood vessels. It may have a diagnostic or therapeutic purpose.
Angiography is an examination to investigate and identify the cause of a blood vessel abnormality such as blockage (thrombosis) or narrowing (stenosis) of a vessel, a possible malformation of arterial or venous vessels or an aneurysm.
The examination is based on a medical imaging technique that combines the use of a contrast agent (blood-injected dye) and X-ray radiography.
Angiography makes it easier to diagnose certain diseases and to establish a better treatment plan, which It can be endovascular, medicinal or surgical. It is also a serious ally before surgery, so that the doctor can accurately track the path of blood vessels.
Duration of hospital stay
1 day.
The patient can go home after the angiography.
Average length of stay
1 to 2 days.
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Before an angiography, do not eat or drink for 6 to 8 hours.
It is important to inform the medical team of any treatments taken and, for example, to bring prescriptions or medical records.
The patient lies on an X-ray table, the examination is performed under local anesthesia, usually on an outpatient basis, by a radiologist.
Depending on the area under examination, the puncture may be performed on the fold of the groin (femoral artery), the fold of the elbow (humeral artery) or the neck (carotid artery). In the case of venous angiography, the puncture is performed on the femoral vein, the jugular vein, or the back vein of the hand. The puncture allows a small plastic tube called a "catheter" to be inserted into the artery/vein and guided through the vessel under the control of a screen.
Once on the site to be explored, the doctor injects a colouring product, opaque to X-rays, through the catheter. X-ray imaging is then used to x-ray the targeted artery/vein.
The examination is slightly or not painful. The catheter is finally removed at the end of the procedure and the doctor compresses the puncture site to stop the bleeding.
Contraindications:
Pregnancy and breastfeeding
Not recommended for patients allergic to iodine
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