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Abstract #4613

On the Feasibility of Accelerating Self-Gated Cine Cardiac Imaging in Rodents Using SENSE

Christof Baltes*1, David Ratering*1, Markus Rudin1,2

1Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland; 2Institute of Pharmacology and Toxicology, University Zurich, Zurich, Switzerland

Self-gated MR imaging has been demonstrated to be a useful tool for cardiac MRI in small rodents. However, the method suffers from long acquisition times. For this reason, the feasibility of accelerating self-gated cardiac imaging in rodents using SENSE was investigated in this work. Fully sampled cine cardiac images of the rat were acquired using the IntraGate technique. Computer simulations exploring the effect of residual respiratory motion artifacts on the SENSE reconstruction revealed that higher demands on the respiratory compensation are required for the accelerated compared to the fully sampled acquisition.