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Recently, the first 3D cine radial acquisition of the fetal heart with isotropic resolution was introduced. However, image quality suffers from radial streaking artifacts due to under-sampling. A new coil combination method, Region-Optimised Virtual coils (ROVir), was suggested to improve image quality by highlighting signal from the ROI while suppressing signal from unwanted regions. This study aimed to compare 3D fetal cardiac imaging ROVir to conventional SVD-based coil combination, in a parallel imaging based reconstruction. Streaking artifacts were reduced, and the cine could be reconstructed to more cardiac phases. This allowed for improved appreciation of fetal cardiac function.
Piek et al. (Wed,) studied this question.
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