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  • Title: Use of cultured keratinocytes in the treatment of severe burns.
    Author: Bettex-Galland M, Slongo T, Hunziker T, Wiesmann U, Bettex M.
    Journal: Z Kinderchir; 1988 Jun; 43(3):224-8. PubMed ID: 3046171.
    Abstract:
    A 6 1/2-year-old child was admitted to the emergency ward for third degree burn injuries representing 40% of body surface. Shock therapy was first applied. After débridement and in a series of operating sessions hands were grafted with full-thickness skin and most other wounds were covered with mesh grafts. On the 14th day after admission a piece of approximately 5 cm2 split thickness scalp skin was used to expand the keratinocytes by cell culture techniques according to the method of Rheinwald and Green (7). After 20 days 4 sheets of cells of first subculture, each 10 cm in diameter, representing a surface of approximately 300 cm2, were implanted on the front of the left thigh, which was burnt third-degree deep. Light microscopy of punch biopsies from mesh grafted and keratinocyte implanted sites taken 5 months after grafting showed a well differentiated epidermis overlying scar tissue. The following conclusions were drawn: Autologous keratinocytes did take on a third degree wound. No basic difference was observed neither clinically nor histologically between mesh-grafted and keratinocyte-implanted sites. The epidermis formed by keratinocyte implantation lacked pigmentation but presented an aesthetically better appearance than the mesh-graft treated sites. Given the scarcity of donor sites and the results obtained by implanting keratinocyte cultures, this latter technique may be resorted to in any extended and deep burn injury.
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