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Abstract #1094

3D Whole-heart High-resolution Motion Compensated Joint T1/T2 Mapping

Giorgia Milotta1, Aurelien Bustin1, Olivier Jaubert1, Radhouene Neji1, Claudia Prieto1, and Rene Botnar1
1Biomedical Engineering Department, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom

Tissue characterization including identification and quantification of fibrosis and oedema plays an important role in many myocardial diseases. Conventionally 2D T1 and T2 maps are acquired sequentially under several breath-holds. However these approaches achieve limited spatial resolution and coverage. Furthermore, partial volume effects at water-fat interfaces may affect T1 and T2 quantification. In this work, we propose a free-breathing high-resolution whole-heart joint T1 and T2 mapping sequence with Dixon encoding which provides co-registered 3D T1 and T2 maps and complementary 3D anatomical water coronary magnetic resonance angiography (CMRA) and fat images in a single scan of ~9min.

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