Burns : journal of the International Society for Burn Injuries
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The present study was carried out to understand the clonal relationship using enterobacteriaceae repetitive intergenic consensus polymerase chain reaction (ERIC-PCR) among metallo-β-lactamase (MBL) producing multidrug resistant Pseudomonas aeruginosa isolates from burn victims and their susceptibility to commonly used anti-pseudomonal agents. In the present study 94 non-duplicate P. aeruginosa strains from the wound samples of burn patients were included. Identification of the isolates was done by biochemical methods and antibiotic sensitivity was done by disc diffusion method following CLSI (Clinical Laboratory Standard Institute) guidelines. ⋯ From dendrogram of the ERIC-PCR profile four major clusters were obtained (A, B, C and D). Cluster B contained the majority of the isolates (6 strains 1, 4, 8, 9, 10 and 11). This study using ERIC-PCR of randomly collected isolates exhibits high genetic diversity which rules out cross contamination frequency.
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Cicero Parker Meek (1914-1979) was working as a general practitioner at the Aiken County Hospital in South Carolina, USA, and had a special interest in the treatment of burn patients. The procedure first presented in 1958 by Meek for a device-based expansion of split-skin (micrografting), which was invented before the mesh technique, is a milestone in the history of burns surgery. The method was forgotten until well into the 90s of the last century, and was only readopted and improved by no longer identifiable physicians at the Red Cross Hospital in Beverwijk. ⋯ Kreis and Raff showed in 1994 that 1:9 expanded mesh grafts did not achieve a true 1:9 expansion on the wound surface, in contrast to 1:9 expanded Meek grafts. Thus Meek grafts provided a highly effective autograft expansion in very large burns. Cicero Parker Meek was an exceptional person in the history of burn therapy.
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Growth arrested 3T3 cells have been used as feeder cells in human epidermal keratinocyte cultures to produce cultured epidermal autografts for the treatment of burns. The feeder cells were ideally growth-arrested by gamma-irradiation. Alternatively, growth arrest by mitomycin C treatment is a cost effective option. ⋯ The BrdU labeling study indicated significant stimulation of the overall keratinocyte proliferation by the gamma irradiated feeders. The cultured epidermal sheets produced by gamma feeders were relatively thicker than those produced by mitomycin C feeders. We discussed the clinical utility of mitomycin C feeders from the viewpoint of cost-effective burn care in developing countries.
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The Caucasian giant hogweeds (Heracleum sosnowskyi Manden. and Heracleum mantegazzianum Sommier et Lever) are aggressive invaders that are successfully spreading in different parts of the world. Exposure of human skin to these plants may lead to phototoxicity and even chemical burns manifested by cutaneous, full-thickness, and long-lasting dermatitis, and in extreme cases, massive skin necrosis. Forestry workers are a group with potentially increased risk of exposure to these plants because of the outdoor nature of their work and their active involvement in managing invasive species. ⋯ At the same time, <35% of those surveyed had any knowledge of the control and management of these giant hogweeds. As demonstrated by our study, stands of these species are widely distributed within the Polish forest districts (reported in over 50%). Therefore, there is an urgent need to implement an efficient, multistrategic, and long-term approach to both control their spread and protect human health.