Abstract #3723

Unbalanced SSFP for Ultra-High Field Super-Resolution MRI

Peter J Lally¹, Paul M Matthews^1,2, 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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