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Abstract #0141

Free-breathing 3D late gadolinium enhancement cardiovascular magnetic resonance using outer volume suppressed projection navigators: Development and clinical validation

Rajiv G Menon1, G Wilson Miller2, Jean Jeudy1, Sanjay Rajagopalan3, and Taehoon Shin1

1Diagnostic Radiology and Nuclear Medicine, University of Maryland, Baltimore, Baltimore, MD, United States, 2Department of Radiology and Medical Imaging, University of Virginia, Charlottesville, VA, United States, 3Division of Cardiovascular Medicine, University of Maryland, Baltimore, Baltimore, MD, United States

We developed a free-breathing, 3D late gadolinium enhancement (FB 3D-LGE) cardiovascular magnetic resonance technique based on outer volume suppressed 1D-projection navigators and a stack-of-spirals acquisition. The free-breathing 3D-LGE and conventional breath-hold 2D-LGE scans were performed on 29 cardiac patients. 2D and 3D techniques showed no significant differences in overall image quality scores and image artifact scores (P > 0.1). There was a significant correlation in the average difference in fractional scar volume (r=0.96). The FB 3D-LGE is a viable option for patients, particularly in acute settings or in patients who are unable to comply with breath-hold instructions.

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