Umbilical Cord Stem Cells for Skin Grafts in Donor Site Wounds

After the completion of the donor site harvesting in the experimental group, allogeneic umbilical cord mesenchymal stem cells are injected into the deep layer of the de-epithelialized area and the surrounding 0.5cm subcutaneous region. After the injection, the wound is covered and dressed with conventional dressings.

After the completion of the donor site harvesting in the experimental group, the de-epithelialized area and the surrounding 0.5cm subcutaneous region is injected an equal volume of blank solvent for stem cell suspension in the control group. After the injection, the wound is covered and dressed with conventional dressings.