J Korean Knee Soc.  2006 Dec;18(2):201-206.

Combined Reconstruction of Posterior Cruciate Ligament and Posterolateral Rotatory Instability with Fresh-frozen Achilles Tendon Allograft

Affiliations
  • 1Department of Orthopedic Surgery, School of Medicine Kyungpook National University, Daegu, Korea. hskyung@knu.ac,kr

Abstract

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.

Keyword

Knee; Posterior cruciate ligament reconstruction; Posterolateral rotatory instability reconstruction; Fresh frozen Achilles tendon allograft

MeSH Terms

Achilles Tendon*
Allografts*
Exercise Test
Female
Follow-Up Studies
Humans
Knee
Male
Posterior Cruciate Ligament*
Range of Motion, Articular
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