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Abstract #3723

Unbalanced SSFP for Ultra-High Field Super-Resolution MRI

Peter J Lally1, Paul M Matthews1,2, and Neal K Bangerter3
1Department of Brain Sciences, Imperial College London, London, United Kingdom, 2UK Dementia Research Institute, London, United Kingdom, 3Department of Bioengineering, Imperial College London, London, United Kingdom

Here we exploit the off-resonance profile of the steady-state free precession (SSFP) sequence to encode spatial information with ultra-low flip angle radiofrequency pulses, enabling a super-resolution reconstruction from a rapid series of low-resolution images. This opens up new possibilities for rapid, high-resolution and low specific absorption rate (SAR) SSFP imaging, particularly at ultra-high magnetic field strengths.

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