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Abstract #0607

Non-contrast enhanced simultaneous bright- and black-blood 3D whole-heart MRI for the assessment of arterial and venous anatomy in patients with congenital heart disease.

Giulia Ginami1, Imran Rashid1, Harith Alam1, Radhouene Neji1,2, Israel Valverde1,3, Alessandra Frigiola1, René Michael Botnar1, and Claudia Prieto1

1School of Biomedical Engineering and Imaging Science, King's College London, London, United Kingdom, 2MR Research Collaborations, Siemens Healthcare Limited, Frimely, United Kingdom, 3Hospital Universitario Virgen del Rocio, Seville, Spain

Bright- and black-blood MRI sequences provide complementary diagnostic information in patients with congenital heart disease (CHD). Typically, contrast agent administration is needed to depict structures such as the pulmonary veins or regions of disturbed blood flow. However, contrast-enhanced imaging is not ideal for regular screening, while the acquisition of bright- and black-blood sequences in a sequential fashion remains sub-optimal. Here we propose a motion-compensated 3D whole-heart sequence that provides co-registered bright- and black-blood volumes without the need for contrast agent administration. The sequence was tested in patients with CHD and showed high-quality delineation of both arterial and venous structures.

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