Type of Surgery
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Last updated: 11/24/2009
The desired outcome of carotid endarterectomy is improved blood flow to the brain and a reduced risk of stroke. The National Stroke Association has reported that successful carotid endarterectomy surgery reduces risk of stroke by as much as 80% in...
people who have had either transient ischemic attacks or symptoms of stroke, or who have been diagnosed with 70% or more arterial blockage. Studies of people who have no symptoms but have been found to have stenosis from 60% to 99%, show that endarterectomy surgery also reduces the risk of stroke by more than 50%. These groups of people at higher risk for stroke will benefit most from having carotid endarterectomy. The benefit for people who have lesser degrees of blockage is shown to be much lower than that of high-risk stroke candidates. Surgery is not indicated for people with artery narrowing less than 50%.
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In a carotid endarterectomy, the carotid artery is access through an incision in the neck (A). A measurement of the pressure inside the vessel is taken to assess the degree of blockage (B). The carotid is clamped above and below the incision, and a shunt is inserted to maintain blood flow (C). Plaque lining the artery is removed (D). The shunt is taken out (E), and the incisions are repaired (F). (Illustration by GGS Inc.)
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Carotid endarterectomy (CEA) is a surgical procedure used to correct carotid stenosis (narrowing of the carotid artery lumen by atheroma), used particularly when this causes medical problems, such as transient ischemic attacks (TIAs) or cerebrovascular accidents (CVAs, strokes). Endarterectomy is the removal of material on the inside (end-) of an artery. Angioplasty and stenting of the carotid artery are undergoing investigation as alternatives to carotid endarterectomy.
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They've become more prevalent since the heart surgery.
-Skip Rutherford
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