• Arch Orthop Trauma Surg · May 2003

    Comparative Study

    Anatomical reconstruction of chronic lateral ligament injury of the ankle using pedicle tendon of the extensor digitorum longus.

    • Toshiaki Takahashi, Masato Nakahira, Kuninobu Kaho, and Teruhiko Kawakami.
    • Department of Orthopaedic Surgery, Kochi Medical School, 783-8505, Kochi, Japan. takahast@kochi-ms.ac.jp
    • Arch Orthop Trauma Surg. 2003 May 1; 123 (4): 175179175-9.

    BackgroundSince 1989, we have performed ligament reconstruction using the extensor digitorum longus tendon as a pedicle graft for patients with chronic lateral instability of the ankle.MethodsOf those patients who underwent arthroscopy during the operation, thirteen joints were evaluated at an average follow-up of 7 years and 2 months. The overall average postoperative score was 95.4 points on Karlsson's score for the ankle ligament. Instability scores improved by 8.5-24.6 points. Our anatomical reconstructive surgery showed generally excellent functional results, with cosmetic advantages because of a short incision and preservation of the entire peroneus brevis tendon, which plays an important role in extra-articular dynamic stabilization.ResultsAt final follow-up, pain was present in one joint in the group without chondral injury at the time of reconstruction ( n=6). However, pain was still present at the final follow-up in five of the group with chondral injury ( n=7). Chondral injury incurred during ligament reconstruction may have caused the residual ankle pain even after 7 years of postoperative follow-up. There was a statistically significant relationship between chondral injury and ankle pain at final follow-up.

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