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Abstract #2754

Free-breathing native cardiac T1 and T2 mapping with flexible elastic image registration: Preliminary Clinical Result

Shuo Zhang1,2, Tomoyuki Okuaki3, Sven Kabus4, Bao Ru Leong5, Yiying Han5, Yi Hui Hung5, Ping Wang6, and Ru San Tan5

1Philips Healthcare, Singapore, Singapore, 2National Heart Centre Singapore, Singapore, Singapore, 3Philips Healthcare, Japan, 4Philips Research, Hamburg, Germany, 5National Heart Centre Singapore, Singapore, 6Vanderbilt University, United States

Current myocardial T1 and T2 mapping based on inversion-recovery and single-shot readout techniques require generally at least 7 to 10 seconds breath hold. Improper and difficulties of breath hold is one of the main sources of error and reduced reproducibility. To mitigate the dependence of mapping on breath holds and also to increase patient comfort, we report free-breathing T1 and T2 mapping using different acquisition schemes using flexible elastic image registration. We demonstrate the feasibility of this approach with motion correction for increased image quality and quantification accuracy.

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