Keywords: Myocardium, Cardiomyopathy, Quantitative Imaging
Motivation: Cardiac parametric mapping with electrocardiogram-triggered single-shot acquisition has compromised spatial resolution due to limited quiescent period for data acquisition.
Goal(s): To develop a high-resolution simultaneous myocardial T1, T2 and T1ρ mapping technique.
Approach: Enhance the spatial resolution while reducing the FOV to make the acquisition window fit in the mid-diastolic quiescent period in the cardiac cycle. Subsequently, employ the ROVir technique to eliminate fold-over artifacts arising from FOV reduction.
Results: The proposed technique achieved high-resolution multi-parametric mapping without a loss of quantitative precision.
Impact: A novel framework was proposed to shorten the acquisition window and improve the spatial resolution of electrocardiogram-triggered cardiac parametric mapping beyond common k-space undersamping. High-resolution myocardial parametric mapping can provide more precise and reliable diagnostic information.
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