Monyé, C. de

patient carotid artery angiography stroke stenosi contrast material contrast ischemic stroke attenuation material study ct angiography plaque volume ischemic group carotid artery atherosclerotic accuracy carotid artery stenosis chapter analysis strategy result duplex contrast-enhanced mr angiography chaser measurement carotid endarterectomy artifact sensitivity carotid arteries table origin vessel injection craniocaudal scan direction probability optimalization direction endarterectomy assessment disease reference aorta carotid stenosis difference distribution imaging surgery symptom van der lugt saline bolus chaser iodine parameter value saline bolus chaser image cost-effectiveness stenose comparison treatment concentration 16- specificity contrast-enhanced atherosclerotic plaque lumen observer event cutoff craniocaudal health protocol delay women range 80 ml