Coarctation of the aorta
The narrowed aorta obstructs the flow of blood to the body's organs.
Vascular stents
a and b: Uncovered stents
c and d: Covered stents
e: Dilatation balloon
Stenting of coarctation of the aorta
Angiography images of aortic coarctation before and after stenting
What is coarctation of the aorta?
Coarctation of the aorta is an abnormal narrowing of the aorta, the large blood vessel that carries blood from the heart to the rest of the body. This limits blood flow to organs and lower limbs. It can be present from birth (congenital coarctation) or develop later in life. The heart has to work harder to push blood through the narrowed part of the aorta.
Why are you being offered coarctation of the aorta stenting?
Stenting helps reduce blood pressure in this area, relieving the heart and improving blood flow . It widens the narrowed area, allowing blood to flow more freely. This improves perfusion of the abdominal organs and lower limbs, reducing the risk of complications .
Performing stenting of coarctation of the aorta:
Your test will take place in the interventional cardiology unit.
When you are admitted to the cardiology department, you will be asked to put on a hospital gown. You will need to remove all jewelry, underwear and socks.
A small area of your groin will be shaved which will be the entrance route for the examination.
A stretcher-bearer will take you to the catheterization room in your bed. You will be helped onto a narrow, hard table. It will be a little cold in the room. Around you, you will see X-ray machines and monitors. Small sticky patches will be placed on your chest. These will be connected to a heart monitoring machine. Your body will be covered with a large sterile drape. General anesthesia will begin.
The procedure involves dilating the narrowed area of the aorta and implanting a stent to prevent it from narrowing again.
This procedure is performed under local anesthesia, but you will be sedated during dilation so as not to feel any pain.
You will be asked to lie down for a few hours after the procedure.
You will generally be discharged the day after the procedure.
Are there any risks associated with coarctation of the aorta stenting?
Despite technical progress and the experience of doctors, cardiac catheterization involves, as with any invasive or surgical procedure, a risk of incidents or accidents:
Allergic complications: Most often linked to the use of iodinated radiological products or local anesthetics. If you have already experienced allergic manifestations, it is imperative to inform your doctor.
Complications at the artery puncture site: This can range from a simple hematoma to a vascular injury requiring surgical repair and/or blood transfusion.
Cardiac and vascular complications: During the examination, discomfort, chest pain, palpitations related to a rhythm disorder may occur. Serious complications are very rare. The risk of death is very low.
What follow-up after stenting of coarctation of the aorta?
Stenting requires taking antiplatelet treatment for a period of 6 months.
No special physical or professional precautions are necessary after implantation of the prosthesis. This prosthesis also does not contraindicate any future exploration or intervention.
Antibacterial prophylaxis will be offered in the event of risky extracardiac procedures during the 6 months following implantation of the prosthesis.
A chest CT scan for monitoring will be offered to you at one year.
Coarctation of the aorta
Stenting of coarctation of the aorta
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