Group B | Histological alterations (90 days of catheterization) |
1 | Extensive erosion, hemorrhage, mild inflammatory infiltrate |
2 | Mild erosion of the endothelium with mild inflammatory infiltrate |
3 | Mild erosion of the endothelium with mild inflammatory infiltrate |
4 | Mild erosion in the vein endothelium with thrombosis in adjacent artery |
5 | Mild erosion of the endothelium with mild inflammatory infiltrate |
6 | Extensive erosion of the endothelium with mild inflammatory infiltrate |