Abstract #2094

Evaluating Pilot Tone and self-gating for retrospective cardiac binning in highly accelerated, whole heart 4D flow imaging

Aaron Pruitt¹, Yingmin Liu¹, Ning Jin², Peter Speier³, Chong Chen¹, Orlando Simonetti¹, and Rizwan Ahmad¹

¹The Ohio State University, Columbus, OH, United States, ²Siemens Medical Solutions USA, Inc., Columbus, OH, United States, ³Siemens Healthcare GmbH, Erlangen, Germany

In this work, we incorporate Pilot Tone as part of our previously described highly accelerated and fully self-gated 4D flow framework to perform retrospective cardiac binning. We compare cardiac triggers derived from Pilot Tone directly with those derived from self-gating and ECG in and demonstrate agreement in aortic and pulmonary artery flow quantification between 4D flow images reconstructed us ECG-, SG-, and PT-based cardiac binning.

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