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  • Title: Should dermal scald burns in children be covered with autologous skin grafts or with allogeneic cultivated keratinocytes?--"The Viennese concept".
    Author: Rab M, Koller R, Ruzicka M, Burda G, Kamolz LP, Bierochs B, Meissl G, Frey M.
    Journal: Burns; 2005 Aug; 31(5):578-86. PubMed ID: 15993303.
    Abstract:
    The treatment of scald burns in children is still under discussion. The aim of the present study was to evaluate an optimised treatment regime for scald burns in children. Between 1997 and 2002, 124 children underwent surgical intervention due to burn injuries. Thirty-six out of these 124 children were enrolled into the evaluation of our recent treatment protocol. Twenty-two children with scald burns covering an average body surface area (TBSA) of 18.5% were treated by early excision and coverage with allogeneic keratinocytes in case of partial thickness lesions (keratinocyte group). Fourteen children with a TBSA of 17.2% were treated with autologous skin grafts alone (skin graft group). Both groups were comparable according to age, burn depth and affected TBSA. The complete clinical follow-up examination of at least 17 months was performed in 12 out of 22 children of the keratinocyte group and in 9 out of 14 patients of the comparative group. Visible scar formations were classified according to the Vancouver Scar Scale (VSS) in each patient. The use of allogeneic keratinocytes led to complete epithelialisation within 12 days in 20 of the 22 cases. No secondary skin grafting procedures had to be done. Skin take rate at the sixth postoperative day was 100% in the skin graft group. Blood transfusions were administered intraoperatively according to the clinical need of the patients by the responsible anaesthesiologist. The mean volume of blood, which had to be transfused was 63.9 ml in the keratinocyte group and significantly lower than the volume of 151.4 ml, which was administered in the skin graft group (p=0.04). At follow up the VSS observed in areas covered by keratinocytes was 2.33 on the average and therefore, significantly lower than the VSS of 5.22 in skin grafted areas of the comparative group (p=0.04). In children the use of cultivated keratinocytes in partial thickness scald burns is a procedure, which renders constantly reliable results. It minimizes the areas of autologous skin harvesting and reduces the amount of blood transfusions. The fact that less scarring is observed after keratinocyte grafting leads to the conclusion that skin grafting in children should be restricted to scalded areas, which have to be excised to the subcutaneous fat tissue.
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