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DOI: 10.1148/radiol.2402050805
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Arterial Blood Flow to the Brain in Patients with Vascular Disease: The SMART Study1

A. Fleur van Raamt, MD, PhD, Auke P. A. Appelman, MD, Willem P. T. M. Mali, MD, PhD, Yolanda van der Graaf, MD, PhD, For the SMART Study Group2

1 From the Julius Center for Health Sciences and Primary Care (A.F.v.R., Y.v.d.G.) and Department of Radiology (A.P.A.A., W.P.T.M.M.), University Medical Center Utrecht, Heidelberglaan 100, H.P. Strat. 6.131, 3584 CX Utrecht, the Netherlands. Received May 11, 2005; revision requested July 8; revision received August 8; final version accepted October 13. Supported by a program grant from the Netherlands Organization for Scientific Research-Medical Sciences (NWO-MW: project no. 904-65-095). The funding source had no involvement in the writing of this article or in the decision to submit it for publication. Address correspondence to Y.v.d.G. (e-mail: y.vandergraaf{at}umcutrecht.nl).


Figure 1
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  		Left: Sagittal localizer MR angiogram illustrates the positioning of a two-dimensional phase-contrast MR angiographic section (16/9, 7.5° flip angle) for measurement of the volume flow through the internal carotid arteries and the basilar artery. Right: Quantitative flow values were obtained by means of integration across manually drawn regions of interest (on corresponding two-dimensional phase-contrast MR angiographic image) that enclosed the vessels. 1 = right-sided internal carotid artery, 2 = left-sided internal carotid artery, 3 = basilar artery. Line through the left image indicates the plane of the right image.

 




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