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Abstract #2002

3D whole-heart free-breathing BOOST-T2 mapping

Giorgia Milotta1, Giulia Ginami1, Aurelien Bustin1, Radhouene Neji1,2, Claudia Prieto1, and Rene Botnar1

1School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom, London, United Kingdom, 2Siemens Healthcare, London, United Kingdom

Cardiac MRI enables the assessment of whole-heart anatomy with both bright-and-black-blood contrasts. Additionally, quantitative myocardial T2 mapping is an emerging technique that enables non-contrast tissue characterization. However, conventional T2 mapping is performed under breath-hold with limited spatial resolution and coverage. Moreover, anatomic and quantitative images are acquired sequentially with different geometries and at different motion states. Here, we propose a novel quantitative 3D whole-heart sequence (qBOOST-T2) which provides co-registered 3D high-resolution bright-blood, black-blood and T2 map volumes from a single free-breathing scan. qBOOST-T2 was evaluated in a standardized T1/T2 phantom and healthy subjects and compared to current gold standard techniques.

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