✦ LIBER ✦

Single breath-hold volumetric imaging of the heart using magnetization-prepared 3-dimensional segmented echo planar imaging

✍ Scribed by Piotr A. Wielopolski; Warren J. Manning; Robert R. Edelman

Publisher: John Wiley and Sons
Year: 1995
Tongue: English
Weight: 838 KB
Volume: 5
Category: Article
ISSN: 1053-1807
DOI: 10.1002/jmri.1880050406

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✦ Synopsis

Abstract

We show the feasibility of single breath‐hold volumetric imaging of the heart using a three‐dimensional (3D) segmented echo planar Imaging (EPI) pulse sequence. Fifteen healthy subjects were evaluated using three magnetization preparation schemes: (a) a driven equilibrium T2‐weighted preparation for bright blood and dark myocardium; (b) a STEAM magnetization preparation for dark blood; and (c) fat suppression for coronary artery Imaging. An interleaved EPI trajectory encoding six echoes per Interleave with a 1090 Hz/pixel readout bandwidth was used to collect a 126 × 256 matrix in 22 heartbeats with data acquisition windows per cardiac cycle of 71–285 msec for 8–32 sections. Multiplanar reconstructions could be used if thin (1–3 mm) sections were acquired. Breath‐hold volumetric imaging with 3D segmented EPI holds promise for rapid volumetric evaluation of cardiac anatomy.

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