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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