We found that tissue impedance can serve as a reliable criterion of the severity of wound process and efficiency of burn treatment. Ointment with superoxide dismutase effectively promoted wound reparation and recovery of tissue structure after thermal skin burn compared to ointments containing interleukin-1beta or mixture of interleukin-1beta and superoxide dismutase.
The dynamics of blood concentrations of reactive oxygen species and LPO products in patients with thermal injuries of different severity was studied. Monitoring of these parameters by chemiluminescent and spectrophotometric techniques helps to predict the course of burn shock and prevent complications. Erysod (0.004% solution, 33-66 microg/min, daily dose 24-32 mg) added to antishock infusion therapy during the early periods after injury suppressed generation of free radicals (by 20% after 15 min and by 30-40% after 24 h), promoted normalization of their contents, and reduced damage to visceral organs during acute period of thermal injury.
Experimental skin ischemia in rats was induced by suturing a skin fold on the back with a silk thread. Combined pretreatment with superoxide dismutase (intraperitoneally) and Reamberin (intravenously) in doses of 0.01 and 6.25 mg/kg (by succinate concentration), respectively, produced a strong protective effect on the skin. The index of cytolysis decreased by 39%. The more pronounced antinecrotic effect of combined treatment with superoxide dismutase and Reamberin compared to the effect of Reamberin alone was related to a sharp increase in the reserve capacity of the antioxidant system. After combined therapy, activity of antioxidant defense enzymes not only increased, but even exceeded the normal level. The increase in activity of endogenous superoxide dismutase under the influence of combined therapy was accompanied by suppression of superoxide anion production.
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