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Abstract #2948

Investigation of arterial blood T1 measurements using cardiac-triggered acquisitions in a pulsatile flow phantom

Koen P.A. Baas1, Qinwei Zhang1, Eva S Peper1, Gustav J Strijkers2, and Aart J Nederveen1

1Radiology and Nuclear Medicine, Amsterdam UMC, Amsterdam, Netherlands, 2Biomedical Engineering & Physics, Amsterdam UMC, Amsterdam, Netherlands

We used a pulsatile flow phantom setup to investigate the method by Li et al. (2017)3 to measure arterial blood T1. We found that under different flow conditions the addition of cardiac triggering led to changes in the estimated T1 values. T1 values found in the flowing fluid matched the reference value measured in a no flow condition using a low flip-angle inversion recovery sequence, validating the correctness of our setup.

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