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Abstract #2081

3D cardiac T1 and T2 mapping in a single breath-hold via compressed SENSE at 3T

Tiago Ferreira da Silva1,2, Paula Montesinos1, Carlos Galan-Arriola2, Robert Austin Benn2, Borja Ibañez2,3, and Javier Sánchez-González1
1Philips Healthcare Iberia, Madrid, Spain, 2Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain, 3Department of Cardiology, IIS-Fundación Jiménez Díaz Hospital, Madrid, Spain

We propose a new 3D simultaneous T1 and T2 mapping technique to acquire accurate co-registered 3D T1 and T2 maps of the entire left ventricle in a single breath-hold. The technique combines T2-prep and saturation pulses with compressed SENSE.

The proposed sequence successfully acquired co-registered 3D T1 and T2 maps in a single breath-hold of 17 s (HR=60 bpm). Phantom estimated T1 and T2 values were in agreement with gold-standard values obtained from IR-SE and GraSE, respectively. Accuracy and precision results were similar to previously published values for saturation recovery at 3T.

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