Joint study of extracranial arterial occlusion. X. Internal carotid artery occlusion

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Abstract
One cannot now predict with accuracy the degree of deficit that may be anticipated following a carotid occlusion, even when the condition of the opposite artery is known. When symptoms and signs occur, they are most likely related to the hemisphere or eye on the side of the occlusion. In patients with carotid occlusion, a higher rate of severe complications and mortality was encountered following arteriography than in the general study population. Among randomized patients with a carotid occlusion and a contralateral carotid stenosis, 63% of medically treated patients were alive at the end of a 66 mo. follow-up, whereas only 34% of surgically treated patients were still living. Surgical mortality was extremely high in patients with a carotid occlusion. Mortality (67%) occurred in patients undergoing surgery within wk of a cerebral infarction.

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