ULF-MRI is one of the recent imaging techniques. Since
a polarization rate of hyperpolarized xenon is independent of B0, hyperpolarized
xenon is suitable for ULF-MRI. A xenon imaging using SWIFT has been proposed by
Nakamura et al. to reduce the decay caused by the xenon's diffusion. In this
study, we assess the effectiveness of the SWIFT pulse sequence for hyperpolarized
xenon imaging in ULF-MRI. The simulation results showed
that we could obtain the hyperpolarized xenon images with the SWIFT approach in
ULF-MRI and reconstructed images were improved by the oversampling in readout
direction and wide bandwidth.
