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Intracerebral Imaging and Carotid Artery Stenosis

  • K. -O. Lövblad
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Abstract

Cerebrovascular disease is the third cause of death in industrialized countries. Carotid stenosis is associated with an increased risk of acute and chronic infarction. Patients with 80–99% lesions had a 20.6% annual event rate. The main factor that appears to predict increased risk for future stroke is progression of stenosis. A significant carotid stenosis can be found in approximatively one third of patients with cerebral ischemia. Overall carotid atherosclerosis is responsible for approximately 20% of all cerebral ischemic strokes. At 2 years of follow-up, the risk of a repeat stroke is 28 and 13% for symptomatic stenoses of 70–99% and 50–69%. Carotid endarterectomy is now well established as a way to prevent infarction in the presence of carotid stenosis either symptomatic and of a higher grade than 50%, or symptomatic or asymptomatic of a higher grade than 70%. This was proven by two randomized clinical trials, the European Carotid Surgery Trial [3] and the North American Symptomatic Carotid Endarterectomy Trial [1].

Keywords

White Matter Fractional Anisotropy Diffusion Tensor Imaging Acute Stroke Carotid Stenosis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag/Wien 2007

Authors and Affiliations

  • K. -O. Lövblad
    • 1
  1. 1.Radiology DepartmentHUG Geneva University HospitalGenevaSwitzerland

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