NDLI: An improved real-time cine Late Gadolinium Enhancement (LGE) imaging method at 3T

Content Provider	IEEE Xplore Digital Library
Author	Kadbi, Mo Kotys, Melanie Alshaher, Motaz Fischer, Stefan Amini, Amir A.
Copyright Year	2011
Description	Author affiliation: Philips Medical System, Philips Healthcare, Cleveland, OH, USA 44143 (Kotys, Melanie; Fischer, Stefan) \|\| Division of Cardiology, University of Louisville, Louisville, KY 40202 (Alshaher, Motaz) \|\| Medical Imaging Lab, Electrical and Computer Engineering Department, University of Louisville, Louisville, KY, United States (Kadbi, Mo; Amini, Amir A.)
Abstract	A real-time Late Gadolinium Enhancement (LGE) MRI technique (free breathing and non-gated) is presented for detection of myocardial scars. Conventional LGE imaging methods currently in use are applied in conjunction with breath-hold and, thus, are difficult to use in patients with cardiac disease and may lead to motion artifacts. Additionally, conventional techniques involve ECG gating, which is problematic in patients with arrhythmias requiring multiple breath holds and use of arrhythmia rejection techniques. Finally, conventional LGE techniques require accurate estimates for the inversion time in order to null the normal myocardium, revealing the location of the scar with high contrast. Real-time LGE imaging obviates these difficulties and can, in principle, acquire cine images to assess wall motion over several heart phases as part of the same scan. To date, the main limitation of real-time LGE imaging has been long acquisition window and low temporal resolution. These limitations lead to temporal blurring of wall motion and possible overestimation of infarct size. The goal of this study was to increase the temporal resolution of real-time, cine LGE imaging, providing the possibility for better visualization of the wall motion and more accurate assessment of myocardial viability.
Starting Page	531
Ending Page	534
File Size	774330
Page Count	4
File Format	PDF
ISBN	9781424441211
ISSN	1557170X
e-ISBN	9781457715891
e-ISBN	9781424441228
DOI	10.1109/IEMBS.2011.6090097
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Real time systems Myocardium Electron tubes Image resolution Magnetic resonance imaging Phantoms
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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