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- Francisco Rubio, Sergio Martínez-Yélamos, Pedro Cardona, and Jerzy Krupinski.
- Stroke Unit, Department of Neurology, Bellvitge University Hospital, Barcelona, Spain. frubio@csub.scs.es
- Cerebrovasc. Dis. 2005 Jan 1; 20 Suppl 2: 119-22.
AbstractExtracranial internal carotid artery stenosis accounts for 15-20% of ischemic strokes. Carotid endarterectomy has high efficacy in stroke prevention in selected patients with symptomatic (age <80 years) and asymptomatic carotid stenosis (age <75 years). Randomized clinical trials demonstrated that carotid endarterectomy reduces the stroke risk, compared to medical therapy alone, for patients with 70-99% symptomatic stenosis with 16% absolute risk reduction at 5 years. The benefit for patients with 50-69% symptomatic stenosis is lower i.e. absolute risk reduction 4.6% at 5 years. Endarterectomy is not indicated for symptomatic patients with <50% stenosis. There is no need for time-delay for surgery in patients after transient ischemic attack or minor stroke. Patients with more extensive strokes or hemorrhage should undergo surgery after 4-6 weeks following initial symptoms. Carotid endarterectomy for asymptomatic stenosis reduces the risk of ipsilateral stroke, and any stroke, by approximately 30% over 3 years. However, the absolute risk reduction is small over the first few years and decision should be based on individual institutional experience. In all situations, the best medical therapy should accompany surgery. In the recent years, appearance of angioplasty, stenting, and distal protection procedures provides competitive alternatives to classical endarterectomy. However, long-term benefits of carotid angioplasty should be confirmed by bigger, randomized, comparative clinical trials.2005 S. Karger AG, Basel
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