Split-thickness skin grafts (autografts) are used to cover deep partial-thickness burn injuries because
a. deep partial-thickness burns will never heal without surgical intervention.
b. surgeons cannot tell deep partial-thickness injuries from full-thickness injuries, and full-thickness injuries require surgical intervention to heal.
c. fascial excision is required in deep partial-thickness injuries.
d. split-thickness skin grafts provide a better cosmetic and functional result than does the natural healing in these injuries.
D
Autografts are the only grafts that provide permanent wound coverage. Sheets of the patient's epidermis and a partial layer of the dermis are harvested with use of a dermatome. These grafts are referred to as split-thickness skin grafts and can be applied to the wound bed as a sheet or in meshed form. Grafts that are placed on the face, neck, lower portions of the arms, and hands are sheet grafts when possible. Grafts that are meshed can cover more area but may not produce the cosmetic appearance desired; therefore, they are usually placed on areas covered by clothing.
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