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KMID : 0950120110100010027
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Jouranl of Korean Orthopaedic Sports Medicine
2011 Volume.10 No. 1 p.27 ~ p.34
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ACL Reconstruction with Autologous Hamstring Tendon - Short Term Clinical Result Using New Femoral Suspensory Fixation Device ‘Cross Pin’ and Graft Tensioner for Maintaining a Constant Tension-
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Seo Seung-Suk
Kim Chang-Wan
Kim Jin-Seok
Choi Sang-Yeong
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Abstract
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Purpose: To evaluate the short term clinical result of ACL reconstruction with autologous hamstring tendon using Cross pin and Graft Tensioner and to seek way to resolve the experienced technical problems.
Materials and Methods : From January 2008 to March 2009, 35 patients who had been treated arthroscopic ACL reconstruction were enrolled. The femoral side of ACL graft was fixed with Cross pin. The tibial side of graft was fixed with Intrafix and post-tie. The graft was tensioned with Graft Tensioner at 80N. We analyzed the clinical, radiographic results and complications.
Results: IKDC subjective score and Lysholm score improved to 89.1 and 91.4 points. Also, Pivot shift test and One-leg hop test showed good results postoperatively. Side to side difference using KT-1000 arthrometer and Telos stress radiography improved compared with normal limb to 2.8±1.6 mm and 2.6±1.3 mm, respectively. The femoral tunnel enlarged to 2.3±1.1 mm. Soft tissue irritation and femoral tunnel-graft harness length mismatch, femoral tunnel-cross pin tunnel mismatch were happened as peri-operative complications.
Conclusion: Using of Cross pin and Graft Tensioner for ACL reconstruction with hamstring tendon is one of the good method for obtaining stability in short-term clinical result. But to reduce femoral tunnel-cross pin mismatch, it needs to shorten femoral bone tunnel and to create cross pin tunnel as vertical as possible. And to reduce femoral tunnel-graft harness mismatch, it needs to advance position rod further 3 mm when to create femoral tunnel.
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KEYWORD
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Cross pin, Graft Tensioner, ACL reconstruction, Hamstring tendon, Cross pin, Graft Tensioner
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