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Cardiovascular MRA is established for serial anatomical evaluation of patients with congenital heart disease (CHD). However, this approach is limited by diaphragmatic respiratory navigation, that leads to long acquisition times and degraded image quality due to residual motion artefacts. Here we evaluate a novel accelerated whole-heart framework in patients with adult CHD. This approach incorporates image-based navigation for translational and non-rigid motion-correction along with 3D patch-based denoising for efficient, free-breathing 3D whole-heart imaging. Comparison between the conventional and the research sequence shows superior diagnostic confidence and diagnostic accuracy for the proposed technique in significantly faster acquisition time (~3min proposed,~15min clinical).
Fotaki et al. (Wed,) studied this question.