Meeting Banner
Abstract #2746

Accelerated 4D Phase Contrast UTE MRI

Abdallah G. Motaal 1 , Verena Hoerr 2 , Huiming Dong 1 , Luc M. J. Florack 3 , Klaas Nicolay 1 , and Gustav J. Strijkers 1

1 Biomedical NMR, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, North Brabant, Netherlands, 2 Department of Clinical Radiology, University Hospital of Muenster, Muenster, Germany, 3 Mathematics and Computer Science, Eindhoven University of Technology, Eindhoven, North Brabant, Netherlands

Signal from short T2 components cannot be detected with conventional MR pulse sequences. Ultrashort echo time MRI makes echo times in the range of 0.01-0.5 ms possible. Here, we introduce a MRI protocol for time resolved 3D UTE Cine Imaging. The sequence involves a retrospectively triggered 3D radial UTE MRI acquisition and compressed sensing reconstruction. 3D time resolved movies with isotropic spatial resolution of 250 m and 8 frames per cardiac cycle were achieved in 25 minutes. By incorporating flow encoding gradients, flow velocity could be estimated using phase contrast MRI with a very short TE of 0.68 ms.

This abstract and the presentation materials are available to members only; a login is required.

Join Here