J Korean Orthop Assoc.  2005 Dec;40(7):908-915.

Short Term Clinical Results of Anatomical Reconstruction in the Posterolateral Corner of the Knee using Achilles Tendon Allograft

Affiliations
  • 1Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul, Korea. sangchul@plaza.snu.ac.kr

Abstract

PURPOSE
The purpose of this study was to evaluate the short term clinical results of the new anatomical reconstruction including 3 major posterolateral structures of the knee using a split Achilles allograft. MATERIALS AND METHODS: Eleven knees with posterolateral rotary instability underwent new anatomical posterolateral reconstruction between January 2002 and June 2003. The clinical results were assessed using the Lysholm score and Tegner activity level scales and physical examinations including posterolateral drawer test, dial tests at 30 and 90 degrees of knee flexion, varus stress tests at 0 and 30 degrees of knee flexion. RESULTS: Follow-up averaged 26 months (range, 12 to 29 months). The mean preoperative Lysholm score was 38.6 and at the time of latest follow-up, the mean score was improved to 72.5. The mean preoperative Tegner activity level was improved from 1.6 points to 3.3. Ten out of 11 patients showed negative conversion of the posterolateral drawer test and varus stress test at 30 degrees of flexion postoperatively. All patients, who showed positive signs on the external rotation-dial test at 30 degrees of knee flexion preoperatively, improved postoperatively. In eight patients, preoperative positive signs of varus stress tests at 0 degrees of knee flexion and the external rotation-dial test at 90 degrees of knee flexion disappeared postoperatively. CONCLUSION: This study suggests that the new anatomical reconstruction of posterolateral corner of knee is a reliable method providing excellent stability and satisfactory short term clinical results.

Keyword

Knee; Posterolateral instability; Reconstruction; Achilles tendon allograft

MeSH Terms

Achilles Tendon*
Allografts*
Exercise Test
Follow-Up Studies
Humans
Knee*
Physical Examination
Weights and Measures
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