Abstract #1955

Self-gated 5-minute whole-heart 4D flow imaging

Aaron Pruitt¹, Adam Rich¹, Yingmin Liu², Ning Jin³, Lee Potter⁴, Orlando Simonetti^1,2,5, and Rizwan Ahmad^1,2,4

¹Biomedical Engineering, The Ohio State University, Columbus, OH, United States, ²Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, United States, ³Siemens Medical Solutions, USA, Columbus, OH, United States, ⁴Electrical and Computer Engineering, The Ohio State University, Columbus, OH, United States, ⁵Internal Medicine, The Ohio State University, Columbus, OH, United States

4D flow imaging can provide comprehensive hemodynamical analysis of blood flow through the heart and great vessels; however, acquiring 4D flow images with whole-heart coverage is prohibitively time-consuming. In this work we describe a highly accelerated and fully self-gated whole-heart 4D flow acquisition and reconstruction methodology. Additionally, we show proof-of-concept of a fully self-gated 5-minute whole-heart 4D flow exam and demonstrate good agreement in aortic flow quantification compared to conventional 2D phase contrast.

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