alexa Tissue response to suture materials implanted subcutaneously in a rabbit model.


Journal of Clinical & Experimental Ophthalmology

Author(s): Setzen G, Williams EF rd

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Abstract We compared the tissue response to a nonabsorbable monofilamented suture made of expanded polytetrafluoroethylene (ePTFE), which has recently been introduced for use in plastic surgery, with the response to 10 other commercially available absorbable sutures and nonabsorbable monofilamented and multifilamented sutures. The sutures were used to secure a patch of ePTFE implanted in the dorsum of adult New Zealand White rabbits. At 30, 60, and 120 days after implantation, the tissue response to the sutures was assessed with respect to the number of foreign-body giant cells present, the thickness of the fibrous capsule that developed, and the general inflammatory response (n = 4 for each suture for each time period). Analysis of variance revealed that specific suture type was significantly associated with foreign-body giant cell count and fibrous capsule thickness. Tevdek had a significantly higher value for mean number of foreign-body giant cells. Silk and Tevdek had significantly thicker fibrous capsules, and ePTFE suture had a significantly thinner capsule. Absorbable sutures and nonabsorbable multifilamented sutures evoked a more extensive tissue response than monofilamented sutures; the differences between nonabsorbable monofilamented and nonabsorbable multifilamented sutures were significant for capsule thickness. In general, suture made of ePTFE produced a minimal tissue response. It should be a good choice for use in facial plastic surgery, in which excellent functional and aesthetic results are critical.
This article was published in Plast Reconstr Surg and referenced in Journal of Clinical & Experimental Ophthalmology

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