Figure 7

Images of the images of intestinal microcirculation, as obtained by the SDF video microscope at 6 h after ROSC in the sham (a, b) saline (c, d) and sildenafil (e, f) groups; changes of PVD (g) and MFI (h) of intestinal microcirculation in the sham, saline and sildenafil groups at 6 h after ROSC. The values are reported as mean ± SD. ROSC restoration of spontaneous circulation. *p < 0.05, **p < 0.01 vs. sham, ^Δp < 0.05 vs. saline.