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Abstract #0457

Accelerated whole-chest 4D flow imaging without navigator echo

El-Sayed H Ibrahim1, Jadranka Stojanovska2, and Dhiraj Baruah1

1Medical College of Wisconsin, Milwaukee, WI, United States, 2University of Michigan, Ann Arbor, MI, United States

4D flow MRI allows for thorough evaluation of hemodynamic patterns. Nevertheless, 4D flow imaging is very time consuming from both image acquisition and reconstruction perspectives. In this study, we provide preliminary data about accelerated sub-10-minutes whole-chest 4D flow imaging without navigator echo, based on recent acquisition and reconstruction technical developments, and compare the results to conventional 2D PC imaging across large arteries and atrioventricular valves. Measurements from accelerated 4D flow were in good agreement with conventional 2D PC imaging. The accelerated 4D flow technique would improve MRI cost effectiveness, lead to increased clinical adoption, and provide more patient comfort.

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