“…[234][235][236][237][238][239][240][241][242] Subclinical ischemic injury has also been detected by MRI. 172,243,244 In the recent randomized trial ICSS (International Carotid Stenting Study), comparisons were possible between patients with CAS and CEA. These injuries, which presumably resulted from microembolism, were more frequent after CAS, as will be discussed further below.…”