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Doctor insights on: Carotid Artery Block

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Dr. Jan Lei Iwata
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Artery (Definition)

Arteries are defined as blood vessels which carry blood away from the heart (to either the body or lungs). Arteries: higher pressure, thicker walls, stretch (pulse) with each heart contraction & deliver blood to the arterioles which control the flow to individual capillaries. Veins are blood vessels which carry blood from capillaries back to the heart (body to right heart; ...Read more


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Can carotid arteries be replaced if they are too blocked for carotid end-arterectomy?

Can carotid arteries be replaced if they are too blocked for carotid end-arterectomy?

No: If you have a complete blockage of the carotid artery, then no treatment is advised. If blockage is severe, carotid endarterectomy or stenting can be done. The degree of blockage and presence of symptoms determine the need for intervention. ...Read more

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Could blocked carotid arteries impair vision?

Could blocked carotid arteries impair vision?

Yes: It can cause a field cut (homonymous hemianopsia) in which vision is lost in the same area of the field in both eyes often described as "shade coming down"; it can also cause sudden blindness in one eye (retinal embolism). ...Read more

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Could blocked carotid arteries impair vision?

Could  blocked carotid arteries impair vision?

Definately: Amarosis fugax, or "fleeting blindness" is described as a curtain coming down over your eye -- this is a classic presentation of carotid artery disease. You should see your doctor right away. ...Read more

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What are the treatment options for blocked carotid arteries?

What are the treatment options for blocked carotid arteries?

Just depends: There are a lot of options when discussing carotid artery disease. The treatment guidelines are very strict and are based on symptoms and the degree of narrowing found on tests. The options range from observation to placing a stent or surgery to remove the blockage. It is really hard to tell which one is the right treatment until evaluated by a vascular surgeon. ...Read more

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What happens if your cardiologist told you both of your carotid arteries were blocked?

What happens if your cardiologist told you both of your carotid arteries were blocked?

Depends: Depends on the degree of blockage. In most cases it is just an indicator that a patient needs treatment for generalized atherosclerosis. In occasional cases it increases the risk for stroke and needs to be treated. See a vascular surgeon for a good opinion. ...Read more

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My grandfather had a stroke. His carotid arteries are 100% and 85% blocked. What kind of surgery does he need?

Depends: We do not perform surgeries to open up complete (100%) blockages. For the side with 85% blockage he should first and foremost be on an Aspirin as well as a cholesterol lowering statin medication for optimal medical management. The surgical options are an open carotid endarterectomy or a carotid stent. If he can tolerate anesthesia then an open procedure is preferred. ...Read more

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My cardiologist told me both of my carotid arteries are blocked. What are my options?

My cardiologist told me both of my carotid arteries are blocked. What are my options?

See vascular surgeon: I suspect he means that the carotid arteries have partial blockage, usually in the form of atherosclerosis. In the absence of neurological symptoms, most cases can be handled with medicine and close periodic follow up by a vascular surgeon. However, if the blockage is more than 80%, surgery will reduce the risk of stroke. In very special instances, carotid angioplasty and stent may be an option. ...Read more

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Carotid Arteries (Definition)

The carotid arteries start in the chest and progress up the sides of the neck. About mid neck they split and one branch supplies blood to the face the, the other continues without branches into the skull and supplies ...Read more