Fig. 2

Comparison of global peak strain in three directions of the left ventricle in diabetic pigs at different scanning times. A The global peak strain of the left ventricle decreased gradually in the longitudinal direction, but increased first and then decreased in the radial direction. B Baseline. * P < 0.05; **P < 0.01. B–D LV radial, circumferential, longitudinal stain pseudocolour images of a diabetic pig at different timepoints. Top, end diastole; middle, end systolic; bottom, LV global peak strain curve. Baseline, GRPS = 27.05, GCPS= − 17.55, GLPS= − 11.07; 2 months after modelling, GRPS = 28.96, GCPS= − 21.03, GLPS = − 10.51; 6 months after modelling, GRPS = 35.81, GCPS = − 23.36, GLPS = − 8.94; 10 months after modelling, GRPS = 32.96, GCPS = − 22.51, GLPS = − 7.03; 16 months after modelling, GRPS = 16.95, GCPS = − 19.54, GLPS = − 6.19