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KMID : 0359620060180020201
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Journal of Korean Knee Society
2006 Volume.18 No. 2 p.201 ~ p.206
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Combined Reconstruction of Posterior Cruciate Ligament and Posterolateral Rotatory Instability with Fresh-frozen Achilles Tendon Allograft
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Kyung Hee-Soo
Oh Chang-Wug
Cha Ki-Bong
Baek Seung-Hun
Lee Sang-Won
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Abstract
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Purpose: We analyzed the clinical and radiologic results after arthroscopic reconstruction of the posterior cruciate ligament and posterolateral rotatory instability using fresh frozen Achilles tendon allograft.
Materials and Methods: Nine patients (10 cases) were evaluated. Male was 8 and female 1. Mean age was 38.4 years (23~59) and interval after trauma was 12.4 months (3~25 mo). Mean follow-up period was 14 months (12~21 mo). Posterior cruciate ligament was reconstructed with arthroscopic transtibial, single bundle technique and posterolateral rotatory instability with figure of "8" method using fibular tunnel. Clinical evaluation was done using posterior drawer test, posterolateral drawer test, varus stress test, prone external rotation (dial) test and range of motion. Functional evaluation was done by Lysholm knee score and Tegner activity scale.
Results: 90% of cases showed improvement to grade I by posterior drawer and to normal by posterolateral drawer, varus stress and dial test. One case showed flexion limitation more than 10degrees compared to opposite knee. Lysholm knee score and Tegner activity scale have been improved from mean 48.5 and 2.1 preoperatively to mean 80.2 and 4.5 postoperatively (p<0.05). Posterior drawer stress radiographs showed the improvement from mean 17 mm to 4.2 mm(p<0.05).
Conclusion: Successful results were obtained by combined reconstruction of the posterior cruciate ligament and posterolateral rotatory instability with fresh frozen Achilles allograft.
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KEYWORD
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Knee, Posterior cruciate ligament reconstruction, Posterolateral rotatory instability reconstruction, Fresh frozen Achilles tendom allograft
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