Table 4.
Average histological scores of flexor tendons at proximal, center, and distal regions of repair site
Distal | Center | Proximal | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Group | Cellularity | PMN | MN | FB | Vascularity | Cellularity | PMN | MN | FB | Vascularity | Cellularity | PMN | MN | FB | Vascularity |
Repair only | 1 | 0 | 1 | 0.5 | 0 | 1 | 1 | 1 | 1.5 | 0 | 2 | 1 | 1 | 2 | 2 |
+HA | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0.5 | 0 | 2 | 1 | 1 | 2 | 2 |
+ASC sheet | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 0.5 | 0 | 2 | 1 | 1 | 2 | 2 |
PMN polymorphonuclear cell, MN mononuclear cell and macrophage, FB fibroblast cell, HA hyaluronan, ASC adipose-derived mesenchymal stromal cell