We compare, using Bloch equation simulation, the relative signal in intraplaque hemorrhage (IPH), arterial wall (Wall) and Lumen (i.e., blood), along with the IPH–Wall contrast for two different implementations of the SNAP sequence. The first implementation is the original version (Ver1) that uses a linear phase-encoding scheme post-IR, whereas the second version (Ver2) uses centric slice-encodes post-IR. We show that, although Ver2 appears to be less time-efficient, it actually provides increased signal and contrast for the same acquisition time.
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