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KMID : 0828620050090010051
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Journal of Korean Arthroscopy Society
2005 Volume.9 No. 1 p.51 ~ p.55
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Arthroscoic Anterior Cruciate Ligament Reconstruction with Autogenous Hamstring Graft: Effect of the Additional Fixation after Fixation of the Graft with Intrafix
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Yoo Jae-Doo
Roh Kwon-Jae
Shin Sang-Jin
Yoon Jong-Seok
Yeo Sung-Gu
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Abstract
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Purpose: To compare the stability and clinical result after anterior cruciate ligament reconstructed knee after graft fixation using Intrafix in tibial tunnel with or without additional tibial post fixation.
Materials and Methods: We analyzed 37 cases which were treated with four-strand hamstring tendon autograft during the period from May 2002 to January 2003. The grafts were fixed with Rigidfix system (Mitek Product, Johnson and Johnson, USA) in femur tunnel and Intrafix system (Mitek Product, Johnson and Johnson, USA) in tibial tunnel. After tibial fixation, additional tibial post fixation was done, which was determined by the serial case number prospectively. Patients were followed for average of fourteen
months(range, thirteen to twenty-five months) At the time of final follow-up, patients were evaluated in terms of Lachman test, pivot shift test, Lysholm scores, IKDC (International Knee Documentation Committee) assessment, side-to-side KT-1000 maximum-manual
arthrometer differences.
Results: At last follow-up, Lysholm score was average 93.1(range: 65 to 98), IKDC assessment revealed that 26 cases had score of A, 10 cases had score of B and 1 case had score of C. The average maximum-manual KT-1000 arthrometer side ?to-side difference was 2.5 mm(0~6 mm). There was one case in which the Lachman test was graded as 2+ and four cases in which the Lachman test was graded as 1+ and the remaining thirty-two cases were normal by Lachman test. One case had a 2+ pivot-shift, and 2 cases had a 1+ pivot-shift. The remaining 34 knees were normal on pivot -shift testing. The average maximum-manual KT-1000 arthrometer side-to-side difference was average 2.8 mm(0~6 mm) in Intrafix only group and average 2.2 mm(0~4 mm) in additional fixation group (P>0.05).
Conclusion: Without additional tibial fixation , the stability of the anterior cruciate reconstructed knee with hamstring graft which was fixed with Intrafix was restored.
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KEYWORD
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Knee, Anterior cruciate ligament, Hamstring graft, Tibial fixation
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