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Abstract
In a porcine model, we studied the benefit of dermis for the growth of cultured autologous keratinocytes (CAK) on full-thickness wounds isolated within skin graft chambers. Kerato-dermal grafts were prepared in a two stage process using autologous de-epidermalised dermis (DED) and CAK (Group 1). Control wounds were prepared by grafting either CAK only (Group 2) or DED only (Group 3). The median epidermal cover of 34 wounds in Group 1 was 47% and was significantly greater (p < 0.001) than the epidermal cover of 12 wounds in Group 2 (4%) and 14 wounds in Group 3 (12%). The epidermis in Group 1 was durable whereas it was fragile in the control wounds. Histologically reˆte ridges were present at 2 weeks in Group 1, but not in the control wounds. These data indicate that a dermal wound bed significantly improves thein vivo growth of cultured keratinocytes.
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Article info
Publication history
Accepted:
February 11,
1993
Received:
January 4,
1993
Footnotes
The work was supported by the Restoration of Appearance and Function Trust (RAFT).
This work was presented at the Summer Meeting of the British Association of Plastic Surgeons, Glasgow, July 1992.
Identification
Copyright
© 1993 The British Association of Plastic Surgeons. Published by Elsevier Inc.