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Basic Wound Closure & Basic Wound Closure & Knot TyingKnot Tying Christopher Davis, MD Christopher Davis, MD GlGeneral SSurgery PGY-3 Research Resident ObjectiObjectiObjectiObjectivveseseess Provide basic information on commonly Provide basic information on commonly used suture materialsused suture materials Review general principles of wound Review general principles of wound closureclosureclosureclosure Provide a Provide a general overview of basic general overview of basic surgicalsurgicalsurgicalsurgical knotknotknotknot tyingtyingtyingtying SSSSuutttturureeee MateMateMateMaterriiialialalal Generally categorized by three Generally categorized by three characteristics:characteristics: Absorbable vs. nonAbsorbable vs. non--absorbableabsorbable NaturalNaturalNaturalNatural vvvs.vs.s.s. syntheticsyntheticsyntheticsynthetic Monofilament vs. Monofilament vs. multifilamentmultifilament AbsoAbsoAbsoAbsorrbablebablebablebable SSSSuutttturureeee DeDeggraded and eventually eliminated in one of raded and eventually eliminated in one of two ways:two ways: ViaViaViaVia inflammatoryinflammatoryiinflammatorynflammatory reactionreactionreactionreaction utilizingutilizingutilizingutilizing tissuetissuettissueissue enzymesenzymeseenzymesnzymes Via hydrolysisVia hydrolysis Examples:Examples: “Catgut”“Catgut” ChromicChromic VicrylVicrylVicrylVicryl MonocrylMonocryl PDS (PDS (polydioxanonepolydioxanone suture)suture) http://ecatalog.ethicon.com/sutures-absorbable
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