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Pushing the acceleration performance of WAVE-CAIPI using a single-axis gradient insert – a simulation study

Alejandro Monreal Madrigal¹, Edwin Versteeg¹, and Jeroen Siero^1,2
¹Radiology, University Medical Center Utrecht, Utrecht, Netherlands, ²Spinoza Centre for Neuroimaging, Amsterdam, Netherlands

A simulation study was performed by retrospectively under-sampling data with different Wave-CAIPI parameters. A 16-fold acceleration was simulated without noticeable decrease in image quality. Furthermore, the high gradient performance allowed for a 5-fold shorter readout time.

Figure 2: Image reconstructions. a) Low WC parameters R=4x4, b) Reference image, c) Very High WC parameters R=4x4

Table 2: Conventional vs Insert gradient reconstruction results