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Abstract #3797

Low Latency Reconstruction of Free-breathing Real-time Cardiac Cine with VISTA and SENSE

Samuel T Ting 1 , Rizwan Ahmad 1 , Ning Jin 2 , Juliana Serafim da Silveira 1 , and Orlando P Simonetti 1

1 The Ohio State University, Columbus, Ohio, United States, 2 Siemens Healthcare, Chicago, Illinois, United States

We combine the Variable density Incoherent Spatio-Temporal Acquisition (VISTA) sampling pattern with a Fast Iterative Shrinkage Thresholding Algorithm (FISTA) implementation of SENSE to achieve online real-time, free-breathing cardiac cine imaging with < 40 ms temporal resolution and < 2x2 mm2 in-plane spatial resolution with low latency (< 10 second) reconstruction time. We test our method in five healthy volunteers and demonstrate diagnostically sufficient image quality compared to conventional segmented techniques with no significant difference in measurement of volumetric parameters.

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