Abstract #0326

In vitro validation of Cartesian 4D flow mapping using patient-specific 3D printed total cavo-pulmonary connection models

Zachary Borden¹, Peng Lai², Ann Shimakawa², Alejandro Roldan-Alzate^1,3, and Christopher J Francois¹

¹Department of Radiology, University of Wisconsin-Madison, Madison, WI, United States, ²GE Healthcare, Menlo Park, CA, United States, ³Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, WI, United States

Congenital heart disease is a common disease process which benefits from MRI 4D flow analysis. In a total cavo-pulmonary connection model, Cartesion 4D Flow mapping using k-t acceleration and variable density signal averaging correlates well with US flow probe data and 2D PC measurements. The improved post processing efficiency of Cartesian acquisition may allow more widespread adoption of 4D flow technology for analyzing congenital heart disease.

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