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- Jordin D Green, Reed A Omary, Brian E Schirf, Richard Tang, and Debiao Li.
- Department of Radiology, Northwestern University, Chicago, Illinois, USA.
- Magn Reson Med. 2003 Dec 1; 50 (6): 1317-21.
AbstractContrast-enhanced (CE) coronary magnetic resonance angiography (MRA) following intraarterial (IA) injection of contrast agent was compared using two sequences in swine: magnetization-prepared fast imaging with steady-state precession (True-FISP), and magnetization-prepared fast low-angle shot (FLASH). Thick-slice projection images were acquired with submillimeter in-plane spatial resolution (0.9 x 0.8 mm(2)). The magnetization-preparation scheme provided a clear delineation of the major coronary arteries with excellent background suppression. The True-FISP acquisition resulted in an increase in signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) by approximately a factor of 2 over FLASH (P < 0.05). Magnetization-prepared True-FISP is a promising technique for catheter-directed CE thick-slice projection coronary MRA.Copyright 2003 Wiley-Liss, Inc.
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