Abstract #2941

Hemodynamic Evaluation in Patients with Tetralogy of Fallot after Operation: Repeatability And Internal Consistency of 4D Flow and 2D Phase Contrast by Cardiovascular Magnetic Resonance

Li-wei Hu¹, Rong-zhen Ouyang¹, Yong Zhang², and Yu-min Zhong¹

¹Radiology, Shanghai Children's Medical Center, Shanghai, China, ²MR Research GE Healthcare, Shanghai, China

4D flow MRI offers the ability to measure and visualize the temporal evolution of complex blood flow patterns within an 3D volume. Some studies have been performed to validate 4D PC flow measurements, such as the comparison of 4D PC flow measurements to two-dimensional (2D) flow and to phantoms measurements as a reference standard. We hypothesized that 4D flow could be used to evaluate the hemodynamic parameters in patients with tetralogy of Fallot compare with 2D flow.

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