To use time-resolved three-dimensional phase-contrast magnetic resonance (MR) imaging, also called four-dimensional flow MR imaging, to evaluate systolic blood flow patterns in the ascending aorta that may predispose patients with a bicuspid aortic valve (BAV) to aneurysm.
Department of Radiology, University of California San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628, USA. michael.hope@radiology.ucsf.edu