This study investigated whether a novel ionogenic substance, containing amongst others zinc and rubidium (PHI-5; Dermagenics Inc, Memphis, TN, USA), could improve the healing of full-thickness skin wounds. Uniform wounds were created on the right flank of guinea pigs. Micro-grooved silicone rubber membranes, containing 0 (controls), 1.25, 5.00, or 10.00 microg PHI-5, were sutured onto this wound. Standardized digital wound photographs were made after 1, 3, and 6 weeks. Also, wound biopsies were taken after 3 and 6 weeks for histological and histomorphometrical evaluation. For all study groups, 6 animals were used. Analysis of the 1-week digital photographs showed that the surface area of the wounds decreased significantly, with an increasing PHI-5 concentration. No other differences were found in the wound photographs. Also, no differences were measured in histomorphometry at 3 and 6 weeks. Concluding, in our study model a single application of PHI-5 did have a significant positive influence on initial wound healing.
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| http://dx.doi.org/10.1007/s10856-006-0112-z | DOI Listing |
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