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Abstract #1093

Rapid free breathing multi-slice radial CINE MRI using a patient sensing camera

Guruprasad Krishnamoorthy1,2, Joao Silva Tourais1,2, Jouke Smink1, Marc Kouwenhoven1, and Marcel Breeuwer1,2
1Philips Healthcare, Best, Netherlands, 2Eindhoven University of Technology, Eindhoven, Netherlands

The benefits of the current cardiac CINE MRI are often limited by the requirement of patient co-operation for multiple breath-holds. To overcome this limitation, we present a new, free-breathing respiratory motion-compensated 2D multi-slice radial CINE method for left ventricular functional assessment. Our method utilizes the respiratory signal obtained from a patient sensing camera for performing motion weighted density compensation in radial gridding to minimize respiratory motion artifacts in the reconstructed image. The left-ventricular functional assessments from volunteers obtained using the proposed method are in good agreement with the results obtained using the standard Cartesian breath-hold method.

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