In vitro evaluation of combined graft deformation in anterior cruciate ligament reconstructions |
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| Authors: | Hagemeister Nicola de Guise Jacques A |
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| Institution: | 1. School of Biochemical Engineering, Indian Institute of Technology, Banaras Hindu University, Varanasi 221005, India;2. Department of Orthopedics, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India;3. Department of Biotechnology, Koneru Lakshmaiah University, Guntur 522502, India;1. Leeds University Business School, University of Leeds, Maurice Keyworth Building, Leeds LS2 9JT, United Kingdom;2. Grenoble Ecole de Management, 12 Rue Pierre Semard, 38000 Grenoble, France;1. Tokyo Denki University, 5 Senju Asahi-cho, Adachi-ku, Tokyo 120-8551, Japan;2. NANOTEC Corp., Nanotechno-Plaza, 4-6, Kashiwa-Inter, Kashiwa City, Chiba 277-0874, Japan;3. Jikei University School of Medicine, 3-25-8, Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan;4. NITI-ON Co., Ltd., 2-12-4 Sakae-cho, Funabashi-shi, Chiba 273-0018, Japan |
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| Abstract: | In this paper, we present a simple method of calculating deformation of an anterior cruciate ligament graft in combined elongation, bending and total twisting. We also report our results on these deformations for three types of ligament reconstruction in cadaver knees: two isometric reconstructions, using either a biological bone-patellar tendon-bone autograft or an artificial Trevira prosthesis, and modified over-the-top reconstruction with the prosthesis. The data show that the modified OTT technique produced elongation of the graft equivalent to that of the synthetic isometric technique, but significantly less than isometric reconstruction with the biological graft (p<0.05, ANOVA). Moreover, the grafts were subjected to bending and twisting. |
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