Burns : journal of the International Society for Burn Injuries
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Smoke inhalation is a leading cause of death in burns patients. Conventional ventilation cannot always maintain adequate tissue oxygenation. Extracorporeal membrane oxygenation (ECMO) has rarely been used in the treatment of smoke inhalation injuries. ⋯ Pre-ECMO PaO2/FIO2 ratios were 6.5 and 8 kPa, respectively. The patients were treated with veno venous ECMO for 72 and 144 h, respectively. The use of ECMO for respiratory failure due to smoke inhalation and thermal injury is discussed.
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This study examined the effects of early burn wound excision on gastric blood flow and on morphologic changes in mucosal vessels. Wistar rats were given a 30% total body surface area burn and divided into four groups, consisting of control animals (group 1), animals with burn injury without and with fluid resuscitation (groups 2 and 3, respectively), and animals with both fluid resuscitation and early wound excision (group 4). Gastric mucosal blood flow (GMBF) was measured by the hydrogen gas clearance method up to 24 h post-burn. ⋯ In group 4, however, it recovered to the initial value by 6 h post-burn and there was no significant change throughout the experiment. Morphologically, although the mucosal capillaries revealed some changes such as irregularity in diameter in groups 2-4 at 3 h, most of mucosal capillaries retained their original appearance in group 4 at 24 h post-burn. These result suggest that early excision does not aggravate the state of gastric ischemia.
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We report four cases of burn injuries inflicted by hot coolant after the explosion of the heating unit in four motor-vehicles of the same make and version, in similar circumstances while the patients were driving their cars. Burns of this type can cause considerable morbidity with an accompanying high risk of a traffic accident.
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Comparative Study
The efficacy of trypsin: chymotrypsin preparation in the reduction of oxidative damage during burn injury.
This study was mainly aimed to investigate the efficacy of trypsin:chymotrypsin to elicit anti-oxidant properties. In our earlier studies it was observed that the enzyme preparation exhibited an anti-inflammatory action as there was a remarkable reduction in oedema formation and tissue destruction. This led to further study on the amount of lipid peroxidation products formed and the levels of enzymatic and non-enzymatic anti-oxidants and relative trace element contents of copper, selenium, iron and zinc during administration of the enzyme preparation. ⋯ No statistical significance was observed in non-enzymatic antioxidants viz. ascorbic acid and tocopherol levels in both the groups. Increased serum copper and selenium levels in the treated group could be related to higher levels of the ceruloplasmin and glutathione peroxidase observed in the treated group. The above studies support the finding that treatment with the enzyme preparation reduced tissue destruction leading to decreased formation of free radicals and subsequent effective scavenging of free radicals by the higher levels of enzymatic and non-enzymatic anti-oxidants.