Carotid Stenosis

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About a disease

Description

Carotid artery stenosis is a narrowing of the carotid artery that develops as a result of atherosclerosis. Carotid artery stenosis is the main cause of ischemic stroke.

Simptoms

Most people with carotid artery lesions do not have any symptoms. In the presence of symptoms, the risk of ischemic stroke increases several times.

The most common symptoms are transient (i.e. transient) ischemic attacks, which are sometimes called small strokes.

During an ischemic attack, the blood supply to certain areas of the brain decreases. This can cause temporary dizziness, visual disturbances, numbness and tingling of the skin of the extremities, and weakness in the arm or leg, which usually last no more than 30 minutes.

Diagnostics

– Tomography: computer (CT) and magnetic resonance (MRI).

– Doppler ultrasound.

– Angiography to contrast-enhanced studies of the carotid artery.

Treatment

Сarotid endarterectomy (CEA) is an open surgical intervention to remove thrombotic masses from the carotid artery, ensuring normalization of blood supply to the head.

Percutaneous transluminal angioplasty of the carotid artery is a minimally invasive procedure that expands the carotid artery. The procedure consists of inserting a hollow catheter equipped with a balloon into the vascular bed and into the carotid artery. The catheter advances under x-ray control. When the catheter reaches the place of narrowing of the carotid artery, the balloon inflates. Due to the pressure of the balloon, partial destruction of atherosclerotic plaques occurs, increasing the lumen of the vessel and restoring blood flow through it. After performing the control images, the indications are stenting of the carotid artery a stent is inserted (a compressed spring, for the manufacture of which a special alloy is used). The stent is straightened in the artery, resulting in the expansion of the vessel diameter and normalization of blood supply to the head.

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