Abstract #1794

Banding free bSSFP CINE imaging using a multi-frequency reconstruction

Anne Slawig¹, Tobias Wech¹, Johannes Tran-Gia^1,2, Henning Neubauer¹, Thorsten Bley¹, and Herbert Köstler¹

¹Departement for Diagnostic and Interventional Radiology, University of Würzburg, Würzburg, Germany, ²Department of Nuclear Medicine, Würzburg, Germany

Imaging of the beating heart is one of the main challenges in fast MRI. Balanced steady state free precession sequences are fast, yield high signal and have excellent contrast between blood and myocardium. Unfortunately, they are sensitive to field inhomogeneities, which lead to banding artifacts, considerably reducing the image quality. As the steady state tolerates small shifts in frequency it is possible to acquire a frequency- modulated bSSFP. Our study uses such a frequency-modulated approach in combination with a multi-frequency reconstruction to obtain banding free CINE images, with high signal and good contrast.

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