Group A | Histological alterations (15 days of catheterization) |
1 | Extensive erosion on the endothelium and discreet inflammatory infiltrate |
2 | Extensive erosion in the endothelium and discreet inflammatory infiltrate (erythrocyte, neutrophil and rare lymphocytes) |
3 | Mild erosion of the endothelium and mild inflammatory infiltrate |
4 | Mild erosion of the endothelium with hemorrhage and discreet inflammatory infiltrate |
5 | Mild erosion of the endothelium and mild inflammatory infiltrate |
6 | Mild erosion of the endothelium and mild inflammatory infiltrate |
7 | Mild erosion of the endothelium and mild inflammatory infiltrate |