In Vitro Penetration of Topical Antiseptics Through Eschar of Burn Patients

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Abstract
The ability of topical antiseptics to penetrate eschar of burn patients was determined by the agar diffusion technique. Gentamicin sulfate, mafenide acetate, nitrofurazone, povidone-iodine, silver nitrate, and silver sulfadiazine were tested against clinical isolates of Candida albicans, Staphylococcus, Streptococcus, and gram-negative bacilli including Pseudomonas aeruginosa. In practically all instances, the diameters of the zones of inhibition observed using eschar were comparable to those obtained with filter-paper discs. This finding showed that the antimicrobial agents could penetrate eschar and retain their effectiveness after penetration