Burns : journal of the International Society for Burn Injuries
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In a prospective study, data on 175 patients treated between June 1993 and February 1994 has been analysed. In this series, adolescents and young adults (11-40 years) comprised 79.4 per cent of the patients. ⋯ The overall mortality rate was 56.5 per cent, below 40 per cent surface area burned (%BSAB) it was 6.1 per cent and above 70 per cent it was 100 per cent. Flame burns resulted in maximum deaths (86.1 per cent). 40 per cent of the patients had more than 70 per cent BSAB burns in this series, which accounts for the high mortality.
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Although the majority of burn wounds undergoing surgical treatment require only excision with split-skin grafting, the introduction of free microvascular tissue transfer has allowed for the preservation of otherwise unsalvageable deep burn injuries and the resurfacing of burn scars in areas with no available local tissue. A total of 1699 patients with burn injuries were admitted to the Burns Unit in Newcastle upon Tyne in the 5 years 1989-1993. ⋯ Of these patients 582 (96.4 per cent) underwent excision of their burns with split-skin grafting, 13 (2.1 per cent) of the patients required local flap cover and nine patients (1.5 per cent) had free tissue transfer. Free flap loss in this study was 22 per cent in burns patients as compared to only 3 per cent in patients undergoing microsurgical reconstruction for other reasons.
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The burns intensive care unit at IBN Sina Hospital reopened in July 1991, following the Iraqi occupation of Kuwait and the Gulf War. Epidemiology and mortality of 162 burn patients with 30 per cent and over total body surface area (TBSA) burns, treated from July 1991 to December 1994, is presented. There were 91 males and 71 females with a ratio of 1.3 to 1. ⋯ Burn shock was responsible for 10 deaths, and out of them eight were not actively resuscitated due to high Baux score. Sixteen deaths occurred within 48 h postburn. Septicaemia and its related effects were responsible for the majority of the deaths.
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The non-linear viscoelastic properties of skin tissue were characterized by modulus of elasticity E, which represents stiffness, and percentage extension (strain, xi) at load intensities of 20, 40 and 100 gm. The latter property is a measure of the extensibility for both normal skin and hypertrophic scar. A quasi-static extensometer applies a standard rate of extension to the skin and its mechanical properties were obtained from 15 Chinese patients with burn injuries of superficial to full skin thickness burns. ⋯ Using mechanical properties assists in the characterization by providing a quantitative indicator. Higher scar grading is synonymous with increased stiffness and decreased extensibility. Correlation with clinical assessment was achieved with these in vivo viscoelastic properties.