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KMID : 0828620090130010008
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Journal of Korean Arthroscopy Society
2009 Volume.13 No. 1 p.8 ~ p.13
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The Clinical Results of ACL Reconstruction with Tibialis Allograft Using Hybrid Femoral Fixation and Retroscrew®
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Kim Doo-Sup
Rah Jung-Ho
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Abstract
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Purpose: We used tibialis allograft for the reconstruction of ACL and used Hybrid femoral fixation utilizing Endobutton® and Rigidfix® for femoral fixation, and used Retroscrew® and additional fixation for tibial fixation to evaluate the clinical results.
Materials and Methods : The ACL reconstruction were performed from February 2004 to February 2007 utilizing Hybrid femoral fixation and Retroscrew® and 32 patients, 32 cases which were available for year-long observation (12 to 25 months). The clinical results (Lysholm knee score, IKDC grade) and the radiologic results(bone tunnel expansion, Telos anterior displacement test) were evaluated.
Results: The Lysholm knee score was improved from the average of 67.9±5.4 points (range: 51~77) before operation and to 94.1 ±6.8 points (range: 68~98) at the last follow up (p<0.05). 22 cases (69%) were evaluated normal (A), 9 cases (28%) were evaluated nearly normal (B) and only 1 case (3%) was evaluated not normal (C) at IKDC final evaluation and no case was evaluated abnormal. From Telos® stress x-ray evaluation, difference from the opposite knee was improved average 13.2 mm±5.8 (range: 6~21 mm) to average 3.4 mm±2.8 (range: 0~11 mm) after operation (p<0.05). The femoral and tibial tunnel were widened by 18.7% and 9.6% in the AP view and 12.4% and 8.5% in the lateral view, respectively (p<0.05). However, any statistic significance was not observed between bone tunnel expansion and knee joint functions (p>0.05).
Conclusion: An ACL reconstruction with tibialis allograft using Hybrid femoral fixation and Retroscrew® enabled anatomical fixation of the graft tendon with satisfactory clinical results.
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KEYWORD
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Anterior cruciate ligament, Tibialis allograft, Hybrid femoral fixation, Retroscrew
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