Burns : journal of the International Society for Burn Injuries
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Pressure garments are the mainstay of burn scar management despite limited scientific evidence. This study demonstrates a simple method of directly measuring the cutaneous pressures generated by a pressure garment. The results show pressure garments generate an increase in subdermal pressures in the range 9-90 mmHg depending on the anatomical site. ⋯ Over bony prominences the pressures range from 47 to 90 mmHg. This method is believed to be more representative of the pressures generated than the interpositional techniques that measure garment-skin interface pressure, as it avoids garment distortion, the interference effect of the measurement device (size, conformation, area) and directly measures subdermal pressures. The method should be useful for larger research projects on pressure therapy and also for clinical management of pressure garments in the treatment of hypertrophic scar.
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A validated mathematical model of microvascular exchange in thermally injured humans has been used to predict the consequences of different forms of resuscitation and potential modes of action of pharmaceuticals on the distribution and transport of fluid and macromolecules in the body. Specially, for 10 and/or 50 per cent burn surface area injuries, predictions are presented for no resuscitation, resuscitation with the Parkland formula (a high fluid and low protein formulation) and resuscitation with the Evans formula (a low fluid and high protein formulation). ⋯ The hypothetical effects of pharmaceuticals on the transport barrier properties of the microvascular barrier and on the highly negative tissue pressure generated postburn in the injured tissue were also investigated. Simulations predict a relatively greater amelioration of the acute postburn edema through modulation of the postburn tissue pressure effects.
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Case Reports
Urgent delivery, the treatment of choice in term pregnant women with extended burn injury.
Two pregnant patients at term, suffering from major burn wounds, were treated in our burn unit during the year 1995, both were delivered immediately after admission by caesarean section. One of them had smoke inhalation injury which needed mechanical ventilation, both mothers and newborns survived. In spite of low maternal carboxyhaemoglobin the fetal cord blood carboxyhaemaglobin was high, supporting an objective physiological basis for the previous empirical conclusion of early delivery in pregnant patients at term with extensive burn injury (50 per cent TBSA and more). This obvious favourable outcome highlights the importance of urgent delivery in term pregnant women suffering a major burn injury.
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Burns incidence in our country has been on the increase over the past two decades. Cost-effective management of burn wounds has become the prerogative as our annual budget for burn care is limited. We have used human amniotic membrane procured from HbSAg, HIV-seronegative mothers undergoing caesarean section as a temporary biological dressing on superficial and deep partial-thickness burns. ⋯ This type of wound management has been used in 350 cases. It has reduced the number of days stay in hospital and the bulky dressings that are conventional. Considering the patient acceptability, reduced hospital stay and reduction in cost, we find that treatment of superficial and deep partial-thickness burns with amniotic membrane is ideal for a developing country.