PMID: 9543412Apr 16, 1998Paper

Improved coverage in dynamic contrast-enhanced cardiac MRI using interleaved gradient-echo EPI

Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine
S DingF H Epstein

Abstract

An interleaved gradient-echo echo-planar imaging (IGEPI) sequence was modified for and applied to dynamic contrast-enhanced imaging of the heart. Using IGEPI, images with 3.0 x 3.9 mm nominal in-plane resolution are acquired in 100 ms, enabling eight slices per heartbeat for a heart rate of 60 beats/min. The acquisition speed and use of saturation prepulses allows acquisition of short- and long-axis images during the same contrast bolus. IGEPI maintains the acquisition characteristics required for performing a quantitative first-pass perfusion analysis as well as providing improved coverage compared with conventional fast gradient echo.

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