To test the effects of C1-esterase inhibitor in scald burns on bacterial translocation and intestinal damage, standardized deep partial-thickness burns were inflicted on domestic pigs, scalding 30% of the skin surface for 25 s with 75 degrees C hot water. The animals (n = 17; weight 25-35 kg) were divided into three groups: I) the control group (n = 5) without scald burn; II) the group (n = 6) with scald burn; and III) the group with C1-inhibitor (n = 6): scald burn and treatment with C1-inhibitor (C1-INH; BERINERT, Behring, Marburg, Germany). Parameters measured and compared in this model were activity of complement system, hemodynamics, body weight, pathological organ alterations including intestinal lesions, bacterial translocation, and skin damage. C1-INH administration significantly decreased the plasma levels of the specific soluble membrane attack complex (SC5b-9), bacterial translocation, and the degree of intestinal ischemia in the postburn period compared with untreated animals. Moreover, animals treated with C1-INH exhibited a minor degree of organ alterations including damage of the skin and development of edema. The favorable effects of C1-INH may be explained by the protection of the intestinal and dermal microcirculation in the acute phase of thermal injury.
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Khorram‐Sefat et al. (1998) studied this question.