What are the indications for skin grafting?

Skin grafting is indicated for conditions including extensive burn wounds, chronic non-healing ulcers, traumatic skin defects, wounds following scar excision, and stable vitiligo macules. In these cases, the body’s own skin tissue cannot regenerate spontaneously, necessitating skin grafting to cover the wound and reconstruct the skin barrier. If persistent wound suppuration, systemic fever, or signs of infection occur, prompt medical evaluation and treatment at a hospital are recommended.

1. Extensive Burn Wounds:

Burns cause large areas of skin necrosis, leaving insufficient residual healthy skin to cover the defect. When wound conditions are suitable, skin grafting is performed to close exposed tissues, thereby minimizing fluid loss and bacterial invasion and reducing the risk of severe complications.

2. Chronic Non-Healing Ulcers:

After basic wound management, granulation tissue growth stabilizes in long-standing non-healing ulcers. Conventional dressing changes and pharmacologic therapy fail to promote epithelial migration and wound closure; skin grafting accelerates wound healing and shortens the duration of persistent ulceration.

3. Traumatic Skin Defects:

Severe lacerations or crush injuries result in substantial skin loss, precluding primary closure by direct approximation. Following thorough debridement, skin grafting is used to fill the defect, protecting underlying tendons, blood vessels, and nerves while restoring local tissue coverage.

4. Wounds Following Scar Excision:

Hypertrophic or contractured scars impair aesthetics and restrict joint mobility. After surgical excision, a new wound remains. Appropriate skin grafting helps cover this wound, minimizes recurrence of severe scarring, and restores functional limb movement.

5. Stable Vitiligo Macules:

In stable vitiligo—characterized by absence of new lesions over an extended period—medical treatments (e.g., topical agents, phototherapy) yield limited improvement. Autologous epidermal transplantation to depigmented areas facilitates repopulation of melanocytes and restoration of skin pigmentation.

Postoperatively, monitor the color and temperature of the grafted skin; avoid excessive tension or pressure on the graft site; maintain wound cleanliness; and ensure balanced nutritional intake to optimize conditions for graft survival.