EFFECT OF ANTIHISTAMINE-ANTISEROTONIN AND GANGLIONIC BLOCKING AGENTS UPON INCREASED CAPILLARY PERMEABILITY FOLLOWING BURN TRAUMA

Abstract
Tiny (0.2% TBS), partial thickness, non-contact radiant heat burns in guinea pigs resulted, within 3 hours, in significant edema formation and protein leakage at the site of the injury. Areas of skin distant to the burn also showed an increase in water content but no protein leakage. Pretreatment of the animals with either chlorisondamine hydrochloride or a mixture of methysergide and chlorpheniramine significantly decreased postburn edema formation and protein leakage. Liquid emulsion autoradiography revealed that leakage of protein occurs primarily in the areas of skin adjacent to the panniculus carnosus. The studies suggest that: the increase in vascular permeability that occurs as a consequence of burn injuries is humorally mediated; albumin leakage is limited to the injured tissues; and histamine, serotonin, and presumably catecholamines play significant roles in the development of this phenomenon.

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