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Technical Developments |
1 From the Departments of Radiology and Biomedical Engineering, (J.M.S., E.A., P.K., H.H.Q., X.Y.), Biomedical Engineering (J.D.), and Division of Cardiology (K.A.S., A.W.H.), Johns Hopkins University School of Medicine, Outpatient Center, Room 4243, 601 North Caroline St, Baltimore, MD 21287-0845. Received May 26, 1999; revision requested July 19; final revision received December 15; accepted January 17, 2000. Supported in part by a Lavoisier Program grant (J.M.S.), a Société Francaise de Radiologie grant (J.M.S.), National Institutes of Health RO1HL61672 grant (E.A.), and National Institutes of Health R29HL57483 grant (E.A.). Address correspondence to X.Y. (e-mail: xyang@mri.jhu.edu).
Intraarterial injections of small doses of gadopentetate dimeglumine were combined with a fast spoiled-gradient-echo magnetic resonance (MR) sequence to obtain real-time projection angiographic images of the rabbit aorta and canine coronary arteries. Arterial filling and washout, as well as venous and perfusion phases, were clearly displayed, demonstrating that arterial fluoroscopy in which an MR technique is used is feasible.
Index terms: Angiography, contrast media, 50.121412, 50.12142, 54.121412, 54.12142 • Gadolinium, 50.121412, 50.12142, 54.121412, 54.12142 • Magnetic resonance (MR), contrast enhancement, 50.121412, 50.12142, 54.121412, 54.12142 • Magnetic resonance (MR), guidance • Magnetic resonance (MR), vascular studies, 50.121412, 50.12142, 54.121412, 54.12142
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