Background Previous studies have shown that carotid endarterectomy in patients with
symptomatic severe carotid stenosis (defined as stenosis of 70 to 99 percent of the luminal …

Background Randomized trials of surgery for epilepsy have not been conducted, because
of the difficulties involved in designing and implementing feasible studies. The lack of data …

Background and Purpose— Most acute ischemic stroke patients arrive after the 3-hour time
window for recombinant tissue plasminogen activator (rtPA) administration. The …

The Society of Radiologists in Ultrasound convened a multidisciplinary panel of experts in
the field of vascular ultrasonography (US) to come to a consensus regarding Doppler US for …

Background and Purpose—This study reports the surgical results in those patients who
underwent carotid endarterectomy in the North American Symptomatic Carotid Endarterectomy …

Background Patients with transient ischaemic attack (TIA) or minor stroke are at high
immediate risk of stroke. The optimum early treatment options for these patients are not known. …

Background The causes of stroke in patients with asymptomatic carotid-artery stenosis have
not been carefully studied. Information about causes might influence decisions about the …

This paper provides exact power contours to guide the planning of reliability studies, where
the parameter of interest is the coefficient of intraclass correlation p derived from a one‐way …

Background and Purpose— Carotid plaque area measured by ultrasound (cross-sectional
area of longitudinal views of all plaques seen) was studied as a way of identifying patients at …

… Address all correspondence to Dr Eliasziw. … Dr Eliasziw's work was supported by an
operating grant from the Natural Sciences and Engineering Research Council of Canada. …