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Abstract #2914

Accelerated 3D saturation-recovery based myocardial T1 mapping using fewer saturation time points and denoising

Giovanna Nordio1, Aurelien Bustin1, Torben Schneider2, Markus Henningsson1, Claudia Prieto1, and René Botnar1

1King's College London, London, United Kingdom, 2Philips Healthcare, London, United Kingdom

In this study we propose to accelerate the 3D saturation-recovery (3D SASHA) T1-mapping technique by using a reduced number of saturation time points while maintaining accuracy and precision using a 3D denoising method. No statistical difference was found in terms of accuracy and precision (respectively p=0.14 and p=0.99) between the T1-maps reconstructed after denoising using different number of T1-weighted images (between three and nine). After application of 3D denoising, the precision was independent of the number of T1-weighted images used for the fitting, which may permit to considerably accelerate the 3D SASHA acquisition.

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