Burns : journal of the International Society for Burn Injuries
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Case Reports Comparative Study
Correlation between magnetic resonance imaging and histopathology of an amputated forearm after an electrical injury.
A 53-year-old man sustained a 50 Hz, 60 kV electrical injury. The current flowed between his right hand and both feet. There was necrosis of the distal portion of the right forearm, and the fourth and fifth toes on the right foot. ⋯ However, most of the muscles of the arm at the elbow were necrosed and partially replaced by fatty tissue or fibrosis. These necrotic areas corresponded to minimally increased signal intensities on T1-weighted MRI, and high signal intensities on T2-weighted images. MRI may be employed to predict amputation level after electrical injury.
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It has been our impression over the years that the most common cause of death in our burn patients is multiple organ failure, despite the clinical absence of uncontrolled infection at the time of death. A six year review of all deaths in our unit confirmed this impression, revealing that multiorgan failure is indeed the most common cause of death (48 patients, 67 per cent), followed rather distantly by early withdrawal of support (15 patients, 21 per cent), resuscitation failure (4 patients, 6 per cent) and isolated pulmonary failure (4 patients, 6 per cent). Finally, we found that our patients dying of multiorgan failure, although often having had multiple small infections during their course, were indeed clinically uninfected at the time of death. These findings are consistent with the supposition that uncontrolled systemic inflammation, initially triggered by tissue injury and isolated infection, persists despite control of these infections and leads to multiple organ failure and death.
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Burn wound infection with Aeromonas hydrophila appears to be very uncommon. This study reports on nine cases of A. hydrophila in burn patients treated over a 21 month period at the New Somerset Hospital Burn Unit. The average age of the patients was 31 years (range 24-60 years) and the average TBSA was 33% (range 16-51%). ⋯ Small, superficial burns which culture A. hydrophila can be treated by topical therapy alone. Large and/or deep burns, require antibiotic therapy and debridement of all necrotic tissue, particularly when myonecrosis is present. The antibiotics of choice are the aminoglycosides or the quinolones.
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Comparative Study
Comparison of the characteristics and features of pressure garments used in the management of burn scars.
Two companies provide custom-made pressure garments to clients with burn scars at Westmead Hospital. This prospective study was completed in order to make objective decisions about which garments were most appropriate and cost effective to provide to clients. Issues such as cost, durability, fit and client preferences were investigated. ⋯ Second Skin garments had significantly more favourable results on the variables of time for delivery, fit at follow-up, garment design, quality of fabric and seams, overall satisfaction and garment preference for ongoing wear. On all other variables there was no significant difference between the garments. Second Skin provided the most optimal and appropriate option for pressure garments in the management of burn scars for our clients.
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Comparative Study
Topical local anaesthetics (EMLA) inhibit burn-induced plasma extravasation as measured by digital image colour analysis.
Amide local anaesthetics have previously been shown to reduce oedema and improve dermal perfusion following experimental burns. Previous studies have used invasive techniques for burn oedema quantification which do not allow continuous monitoring in the same animal. The present study used digital image colour analysis to investigate the effect of topical local anaesthetics on burn-induced extravasation of Evans blue albumin. ⋯ Colour slides were digitised and colour changes were analysed using the normalised red-green-blue (n-rgb) colour system. Results showed a significant inhibition of Evans blue extravasation between 60 and 180 min post-burn in EMLA-treated animals versus controls. Topical local anaesthetics are potent inhibitors of burn-induced plasma albumin extravasation, probably by direct action on vascular permeability and by inhibition of various steps of the pathophysiological response after burn injury.