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Clearing blocked carotid artery can prevent bigger stroke - Aluminium Cylinder Block Manufacturer by grehh hernjer
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Clearing blocked carotid artery can prevent bigger stroke - Aluminium Cylinder Block Manufacturer by GREHH HERNJER
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| Article Posted: 09/24/2013 |
| Article Views: 69 |
| Articles Written: 1951 - MORE ARTICLES FROM THIS AUTHOR |
| Word Count: 447 |
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Clearing blocked carotid artery can prevent bigger stroke - Aluminium Cylinder Block Manufacturer |
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An ischemic stroke is caused by a blockage in a blood vessel (anartery) that supplies blood to a part of your brain. When all bloodflow to a part of the brain stops for more than a few minutes, thatpart dies. This is called a stroke. Usually, but not always, thiscauses symptoms.
Sometimes a blockage is just temporary and causes only briefsymptoms and no lasting brain damage. This is called a transientischemic attack (TIA). (I've listed the symptoms of a TIA on mywebsite.) There are many possible causes of a blockage that causes anischemic stroke. In all of us, the heart pumps blood first throughthe largest artery, the aorta, and then into smaller arteries. Forexample, the two carotid arteries, one on each side of the neck,carry blood to arteries inside the brain.
Inside the brain, thearteries get narrower and narrower. Diseases of the heart, aorta and arteries in the neck or inside thebrain can all lead to blockages. Blood clots or little pieces ofthe wall of the heart, aorta and arteries of the neck can break offand travel through the progressively narrower arteries until theyget wedged in an artery, stopping blood flow to a part of thebrain. It sounds like your doctor thinks you had a mild stroke thatresulted from a blockage in one of the carotid arteries in yourneck. The most common cause of such a blockage is a plaque ofatherosclerosis.
Your doctor may think that a small piece of thatplaque broke off, traveled downstream and blocked a small artery inyour brain. If I were your doctor, I'd be worried that a biggerpiece could break off and cause a big stroke. A carotid endarterectomy is a surgical procedure to remove ablockage in a carotid artery. In general, carotid endarterectomy isperformed on people who have had a TIA (not a stroke) or, like you,a mild stroke and in whom a major stroke appears imminent.
The surgeon makes an incision in the neck, opens the artery, cleansout the plaque and stitches you back up. When someone is too frailfor surgery, an alternative to carotid endarterectomy is carotidangioplasty and a stent. As is done with the heart, a catheter ispassed to the point of blockage, and a small wire mesh cylinder(the stent) expands to squash the blockage.
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