Burns : journal of the International Society for Burn Injuries
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Comparative Study
Histological and bacteriological studies of burn wounds treated with boiled potato peel dressings.
Histological and clinical studies have been made on comparable burn wounds covered with either boiled potato peels affixed to gauze bandages or gauze dressings alone; both dressings were applied over a thin layer of 5 per cent silver sulphadiazine. Compared with treatment with plain gauze dressings, the application of the potato peel dressing reduced or eliminated dessication, permitted the survival of superficial skin cells and hastened epithelial regeneration. Bacteriological studies showed that the potato peels had no intrinsic antibacterial activity, the wounds beneath both dressings showing either no growth or, on most occasions, the same bacterial species. The easy availability of potato peels and gauze bandages on to which they can be affixed, the simplicity of the preparation of this dressing, the ease of sterilization and its low cost of production make this the dressing of choice for burn wounds in our developing country.
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Of 4357 home accidents in a 1-year period related to products, a total of 338 burn injuries were prospectively studied with respect to age, sex, the time and cause of the burn accident and the product involved in the burn injury. The survey showed the highest incidence (26 per cent) in the age group 0-5 years and that most burns were caused by scalds or contact. ⋯ Activities related to cooking and making/drinking hot beverages constitute the majority of the domestic burns. A trend of more burns occurring during the weekends and the dark winter was found, but monthly or seasonal differences were not significant (0.10 less than P less than 0.20 and 0.20 less than P less than 0.30).
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Five children who suffered burns clinically regarded as full skin thickness loss were grafted with cultured allogeneic skin from newborn prepuce. The wounds had remained open and infected without healing for about 20 days before the patients were received in the burn unit. To avoid losing surviving deep epidermal cells the wounds were débrided but not deeply excised and, a few days before allografting, they were washed with isodine solution and sterile water, and treated with silvadene cream application. ⋯ On the other hand, since allografting is an adequate therapy to provide early temporary coverage in extensively burned patients, we developed conditions for banking cultured skin to make it available for immediate use. The conditions described allow banking of the cultured grafts for 15-20 days with retention of clonal growth ability similar to that of unstored epithelia. The results show that cultured epidermal cells obtained from human newborn foreskin, when used as allografts for coverage of full skin or deep partial skin thickness burns, allow rapid epithelization of the burn wounds.
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A reproducible deep partial skin thickness burn model using guinea-pigs to study the healing process of this injury is described. Round aluminium templates heated to 75 degrees C and applied for 5 s to the moistened, clipped and depilated dorsal skin produced the desired depth of injury. This model is applicable for the study of the three main components of the burn wound healing process: epithelialization, contraction and scar formation. It is recommended that the India ink injection technique be used to confirm the depth of the burn wound.