✦ LIBER ✦

Adaptive correction of imaging plane position in segmented K-space cine cardiac MRI

✍ Scribed by Michael L. Chuang; Ming Hui Chen; Vaibhav C. Khasgiwala; Michael V. McConnell; Robert R. Edelman; Warren J. Manning

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 573 KB
Volume: 7
Category: Article
ISSN: 1053-1807
DOI: 10.1002/jmri.1880070507

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✦ Synopsis

Abstract

Variability among breath‐holds frequently produces registration errors, a situation that may contribute to reproducibility error in anatomic indices. A navigator‐echo‐based method for real‐time prospective correction of imaging slice level was applied to breath‐hold cine cardiac imaging of 13 subjects. Repeat acquisitions with correction in the cardiac short‐axis orientation showed significantly improved reproducibility in fractional area change and endocardial centroid location as compared with conventional noncorrected methods.

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## Abstract We compared the cardiac image quality of multishot echo‐planar imaging (EPI), segmented K‐space, and conventional cine acquisitions. Three techniques were used to obtain gated multiphase acquisitions of an axial section traversing both ventricles in 10 volunteers: two‐shot EPI acquired