Biomechanical comparison of knotted and knotless stabilization techniques of the tarsal medial collateral ligament in cats: a cadaveric study

Luescher, Muriel; Schmierer, Philipp A; Park, Brian H; Pozzi, Antonio; Gutbrod, Andreas; Evans, Rich; Knell, Sebastian Christoph

doi:10.1111/vsu.13366

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Luescher, M., Schmierer, P. A., Park, B. H., Pozzi, A., Gutbrod, A., Evans, R., & Knell, S. C. (2020). Biomechanical comparison of knotted and knotless stabilization techniques of the tarsal medial collateral ligament in cats: a cadaveric study. Veterinary Surgery, 49(2), 390–400. https://doi.org/10.1111/vsu.13366

Abstract

OBJECTIVE: To compare mechanical properties of intact feline medial collateral ligaments and three techniques for treatment of feline medial tarsal instability. STUDY DESIGN: Controlled laboratory study. SAMPLE POPULATION: Forty-eight normal, adult feline tarsi. METHODS: Three repairs were tested: a bone tunnel with polypropylene (PP) suture, a bone tunnel with polyethylene (PE) cord, and a knotless anchor technique with PE cord. A cyclic (6-N preload; 5-N amplitude; 2-Hz frequency) tensile test (600 cycles) was performed on feline ta