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Stroke, Vol 21, 528-531, Copyright © 1990 by American Heart Association

ARTICLES

Long-term follow-up of occlusive cervical carotid dissection

E Pozzati, G Giuliani, N Acciarri and G Nuzzo
Division of Neurosurgery, Bellaria Hospital, Bologna, Italy.

We retrospectively studied 19 cases of occlusive cervical carotid dissection encountered at our hospital between 1974 and 1984 and followed for 5-13 (mean 8.2) years to assess the long-term prognosis of the disease. Five patients had transient ischemic attacks, seven had minor stroke, six had major stroke, and one had epileptic seizures. Angiography demonstrated the typical string sign in 17 cases, a double lumen with occlusion in one, and multiple scalloped narrowings with distal occlusion in the other. Three patients died within 1 month and three remain severely disabled (overall mortality and major morbidity 32%), five have permanent deficits, and seven are neurologically intact; the remaining patient was lost to follow-up. Five patients were treated surgically (two had extracranial-intracranial bypass and three had cervical carotid exploration), and the other 14 were treated medically. The overall rate of reopening was 47% with eight of 10 patients demonstrating recanalization on control angiography and another patient demonstrating recanalization at surgery. These nine patients remain clinically stable on follow-up evaluations. However, vascular abnormalities in the healed arteries were notable and include kinking, fibromuscular dysplasia, dissecting aneurysms, intracranial occlusion, and a residual mural defect.

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