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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-56437

Abd-Elmoniem, K Z; Barmet, C; Stuber, M (2012). Free-breathing inner-volume black-blood imaging of the human heart using two-dimensionally selective local excitation at 3 T. Magnetic Resonance in Medicine, 68(3):822-829.

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Black-blood fast spin-echo imaging is a powerful technique for the evaluation of cardiac anatomy. To avoid fold-over artifacts, using a sufficiently large field of view in phase-encoding direction is mandatory. The related oversampling affects scanning time and respiratory chest motion artifacts are commonly observed. The excitation of a volume that exclusively includes the heart without its surrounding structures may help to improve scan efficiency and minimize motion artifacts. Therefore, and by building on previously reported inner-volume approach, the combination of a black-blood fast spin-echo sequence with a two-dimensionally selective radiofrequency pulse is proposed for selective "local excitation" small field of view imaging of the heart. This local excitation technique has been developed, implemented, and tested in phantoms and in vivo. With this method, small field of view imaging of a user-specified region in the human thorax is feasible, scanning becomes more time efficient, motion artifacts can be minimized, and additional flexibility in the choice of imaging parameters can be exploited. Magn Reson Med, 2011. © 2011 Wiley Periodicals, Inc.


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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Biomedical Engineering
Dewey Decimal Classification:170 Ethics
610 Medicine & health
Deposited On:22 Jan 2012 20:17
Last Modified:05 Apr 2016 15:27
Publisher DOI:10.1002/mrm.23305
PubMed ID:22161817

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