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Abstract #1091

Leaf: A Novel 3D Radial Trajectory for Free-breathing 3D Cine Cardiac Magnetic Resonance Imaging

Lukas Braunstorfer1, Mehdi H. Moghari2, and Andrew H. Powell3
1Cardiology, Harvard Medical School, cambridge, MA, United States, 2Cardiology, Harvard Medical School, boston, MA, United States, 3Cardiology, Harvard Medical School, Boston, MA, United States

Free-breathing 3D cine steady-state free precession (SSFP) sequence with radial phyllotaxis trajectory is recently performed for making cardiac magnetic resonance imaging (MRI) exams easy and more comfortable for patients. Phyllotaxis trajectory is susceptible to the eddy current artifact due to a large gradient change during the 3D cine SSFP acquisition for measuring the centerline of k-space. We, therefore, developed and validated a novel leaf trajectory that minimizes the gradient change, and eddy current.

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