Diffusion MRI Tractography of the Human Heart in vivo Reveals Differences in Myofiber Organization at End-Diastole & End-Systole

Keywords

acquisitions addition address allowing although amounts anisotropy anterior approximately architecture assume assumed cardiac chamber characteristic characterization circulation circumference clinical coded color combined compresses conditions constructed contraction contracts crossing cycle decrease defined degrees derived described determine determined developed diagonalized diastole diffusion diffusivity duration dynamic eigenvalues eigenvector eigenvectors eight either employ encoding extracellular feasible fiber fibers field fractional function funding future gatehouse general geometry greatest heart helical helix highly hospital human impact important in vivo inferior integrating interpolation issues lateral likely limited little material median medical minutes moreover myocardial myocardium need needed nevertheless oblique obliquity organization orientation outer peter poorly principal quantify radiology recently reduces relationship relaxes remains requiring resolution revealed reveals robust royal saturation scanner school secondary sectors session shot significantly slice slices space spatial steam stimulated strain streamlines suitable systole tensor tertiary thickening tracts traditionally transformation translation underscoring unknown ventricle versus volunteers walls yield