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Abstract #4556

Single-Shot Spiral First-Pass Perfusion Imaging: Full Heart Coverage with High Temporal Resolution

Yang Yang1, Craig Meyer1, 2, Frederick H. Epstein1, 2, Christopher Kramer, 23, Michael Salerno, 13

1Biomedical Engineering, University of Virginia, Charlottesville, VA, United States; 2Radiology, University of Virginia, Charlottesville, VA, United States; 3Medicine, University of Virginia, Charlottesville, VA, United States

We demonstrate the for the first time the successful application of a single-shot spiral first-pass myocardial perfusion imaging technique enabling rapid full heart coverage for adenosine stress perfusion imaging, with high spatial and very high temporal resolution.

Keywords

ability absolute accelerated acceleration accuracy acquisition adequately alias aliasing application artery artifact artifacts assessment axis beat beginning biomedical broad calibration capable cardiac channel clinical coil combination combined combines compensate compressed conceivable conjugate consistency coronary coverage covering dark degree density depending designed diagnostic direct directed directly disease domains dual duration dynamic edge eliminate eliminating enable enabled enabling ending engineering excellent extension feasible fidelity finite full function furthermore golden gradient healthy heart hypothesize included incoherence incoherent induced injection interval iterative kernel like loss making medicine minimize modality motion myocardial myocardium noise noising noninvasive optimization optimized oversampled parallel pass pattern perfusion previously produce promising pulse quality quantification quantitative radiology rapid readout recently reconstructed reconstruction requires resolution resting rotated sampling saturation sensing short shot slice slices space sparse spatial spiral spirit spread starting stress studies subject successful sufficient suited support suppressed temporal term train trajectory transform transforms transition unprecedented ventricle ventricular virtually volunteers whole yang