In vitro biomechanical evaluation and comparison of fiberwire, fibertape, orthofiber, and nylon leader line for potential use during extraarticular stabilization of canine cruciate deficient stifles

Richard Burgess, Steve Elder, Ron Mclaughlin, Peter Constable

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: To compare biomechanical properties of 3 new generation polyethylene sutures (FiberTape [FT], FiberWire [FW], and OrthoFiber [OF]) with nylon leader line (NL) for use during extraarticular fixation of cranial cruciate deficient stifles. Study Design: In vitro biomechanical testing of suture loops under monotonic tensile and cyclical loading until failure. Sample Population: Constructs of FT, FW, OF, and NL. Methods: Twenty loops of each of 12 combinations of fixation and suture had monotonic tensile and cyclical loading. Two knotting techniques (square knot [SQ], slip knot [SL]) and a crimp clamp (CR) system were evaluated. Elongation, stiffness, and strength of constructs was tested. The main effects of group, loop material, and their interaction were evaluated. Results: Knotted FT, FW, and OF had less elongation than knotted NL under monotonic tensile and cyclical loading. Under monotonic tensile loading, knotted FT and OF were stiffer than knotted NL. CR FT, CR FW, and CR OF were stiffer than CR NL and CR FT, CR FW, and CR OF were stiffer than knotted FT, FW, and OF. FW and OF knotted loops were weaker than knotted NL. CR FT was stronger than CR NL. CR FT and CR OF were weaker than knotted FT and OF. Conclusions: Polyethylene sutures are stronger, stiffer and elongate less than nylon leader. Crimping suture alters the biomechanical properties of the loop. Clinical Relevance: FW, FT, and OF may perform better in reconstructive procedures, where increased strength and stiffness are considered to be beneficial.

Original languageEnglish (US)
Pages (from-to)208-215
Number of pages8
JournalVeterinary Surgery
Volume39
Issue number2
DOIs
StatePublished - Feb 1 2010
Externally publishedYes

ASJC Scopus subject areas

  • veterinary(all)

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