alexa A 28-day study of the effect of Coated VICRYL* Plus Antibacterial Suture (coated polyglactin 910 suture with triclosan) on wound healing in guinea pig linear incisional skin wounds.



Author(s): Storch M, Perry LC, Davidson JM, Ward JJ

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Abstract BACKGROUND: This study evaluated the effect of coated polyglactin 910 suture with triclosan on tissue response and wound healing over a 28-day period on full-thickness linear wounds in the hairless guinea pig model. METHODS: In situ wound strength was assessed, and histopathologic effects on tissue response and wound healing were evaluated. Four (1.9 cm) full-thickness incisional wounds were created on the dorsolateral region (two left and two right, approximately 3 cm apart) in 40 Hartley male hairless guinea pigs (400-500 g). A 1.9-cm segment of suture material was implanted "length-wise" into the incision and the sites closed with simple interrupted closure with 3-0 nylon sutures. The test material was 2-0 coated polyglactin 910 suture with triclosan and the control material was 2-0 Coated VICRYL* Suture (coated polyglactin 910 suture). On days 3, 7, 14, and 28 postimplantation (n = 10/time interval), body weights were recorded, tissue specimens harvested, and bursting strength testing performed. RESULTS: There was no significant difference (P > 0.05) in bursting strength between the study groups for any of the time intervals studied. The bursting strengths (mm Hg) for the sutures with triclosan were 95.8 (day 3), 268.8 (day 7), 542.6 (day 14), and 633.8 (day 28). Both materials demonstrated comparable tissue response to implantation, and there were no significant differences (P > 0.05) observed in wound healing based on cellular response and collagen formation and orientation. CONCLUSION: Based on the in vivo biomechanical testing and histological results, no evidence of impedance to wound healing was detected. This article was published in Surg Infect (Larchmt) and referenced in Dentistry

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