Enlargement of the neck arteries reduces stroke risk Artwork (internet source)
The carotid artery is quite large in size, located in the neck, including the left carotid artery and the right carotid artery, we can feel their pulse on both sides of the neck.
Carotid arteries function to bring blood from the heart to nourish the brain. This arterial surgery will restore blood flow to the brain.
However, scientists believe that surgery is also at risk of about 3% causing an immediate stroke. For some older people the risk may be higher than the benefits.
In their study, scientists at Oxford University randomly selected 3,120 patients with carotid stenosis for surgery or no surgery depending on the condition of each case.
A total of 1,979 surgeries were performed. Among these patients, the risk of stroke within 30 days was 3%, including 26 cases of mild form and 34 cases of severe or fatal stroke.
During the average follow-up period of five years later, 4.1% of those who had had surgery had a stroke, compared with 10% in those with carotid stenosis but not yet had surgery. And if in 10 years, 10.8% of those who had carotid stenosis had a stroke, compared with 16.9% in those who had not yet had surgery.
Stroke (also known as stroke) is very common and is the third leading cause of death after cardiovascular disease and cancer.
There are many causes of cerebral vascular accident, in which carotid artery stenosis is one of the most common causes (accounting for about 30% of cases).
Carotid artery stenosis is caused by atherosclerosis that attaches to the artery wall, where the carotid artery is narrowed, plaque and blood clots can be clogged in place, or self-rupture, forming small pieces of flow the blood comes to fill up some branch of the artery in the brain, causing the necrosis of a corresponding brain region that is fed by the artery branch.