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Results for “Mafenide”

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At least 55 records · Page 3Linked to original sources
PubMed1996

Beneficial effect of Aloe on wound healing in an excisional wound model.

Recent evidence from in vitro and in vivo experiments suggests that topical antimicrobials may be toxic to fibroblasts and keratinocytes and retard wound healing. The purpose of this study was to determine the effects of Aloe, a potential wound-healing agent, on wound contraction in excisional wounds treated with topical antimicrobials. Sprague-Dawley rats were prepared with four 1.5 cm2 dorsal defects through the skin and panniculus. The animals were divided into five groups (n = 10 per group): (1) Aloe, (2) NaOCl solution (0.025%), (3) mafenide acetate, (4) mafenide acetate + Aloe, and (5) control. Wounds were treated topically for 14 days 3 times a day. Serial standard photographs and serial wound planimetry were performed weekly. Following healing, the breaking strength of each resultant scar was determined using an Instron tensiometer. Kruskal-Wallis, ANOVA, and multiple comparison methods were used for data analysis. Aloe and NaOCl solution significantly accelerated wound contraction (p < 0.05). In the mafenide acetate + Aloe group, contraction was similar to the control, whereas the mafenide acetate alone retarded wound healing. The addition of Aloe in combination and alone in wounds increased the breaking energy when compared to controls (p < 0.05). Aloe appears to expedite wound contraction and neutralize the wound retardant effect seen with the topical mafenide acetate alone. This effect appears to be due to an increased collagen activity, which is enhanced by a lectin, consequently improving the collagen matrix and enhancing the breaking strength.

Aloe↗
PubMed1981

An experimental evaluation of the germicidal efficacy of three topical antimicrobial agents in burns.

The bacteriocidal effect of three substances is discussed: 10% povidone iodine ointment (Betadine, betaisodona), 11,2% mafenide acetate (Naplatan) and silver sulphadiazine (Flamazine, Silvadene, Silvertone). A modified Walker burn model using male Long-Evans rats was studied. The infections were produced with a solution of 3 times 10(8) Pseudomonas aeruginosa pyocin type H. organisms. The authors described the pharmacological properties of the three substances and report the following results. All three substances are able to penetrate third degree burns. It takes 4 hours for povidone iodone, 12 for mafenide acetate and 24 for silver sulphadiazine to penetrate the burn. Mafenide acetate and silver sulphadiazine were the most useful agents after 12 and 24 hours respectively. When the substances were applied for a second time 24 hours after the first application only mafenide acetate was highly effective. The effectiveness of povidone iodine and silver sulphadiazine decreased by half when compared with the first application. For practical purposes the following recommendations are made: For deep burns povidone iodine should be applied every 4--6 hours, mafenide acetate every 12--18 hours and silver sulphadiazine once every 24 hours in order to ensure an antibacterial effect.

Administration, Topical↗