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The Journal of Bone & Joint Surgery British Volume
Vol. 84-B, Issue 3 | Pages 364 - 368
1 Apr 2002
Schuman L Struijs PAA van Dijk CN

We reviewed 38 patients who had been treated for anosteochondral defect of the talus by arthroscopic curettage and drilling. The indication for surgical treatment was persistent symptoms after conservative treatment for at least six months. A total of 22 patients had received primary surgical treatment (primary group) and 16 had had failed previous surgery (revision group). The mean follow-up was 4.8 years (2 to 11).

Good or excellent results, as assessed by the Ogilvie-Harris score, were found in 86% in the primary group and in 75% in the revision group. Two further procedures were required, one in each group. Radiological degenerative changes were seen in one ankle in the revision group after ten years.

Arthroscopic curettage and drilling are recommended for both primary and revision treatment of an osteochondral defect of the talus.


The Journal of Bone & Joint Surgery British Volume
Vol. 84-B, Issue 2 | Pages 232 - 236
1 Mar 2002
Krips R Brandsson S Swensson C van Dijk CN Karlsson J

In this retrospective study, we assessed the outcome in 99 patients who underwent reconstruction of the lateral ligaments of the ankle for chronic anterolateral instability with a minimum follow-up of 15 years.

Two techniques were compared: 54 patients had an anatomical reconstruction (AR group) and 45 had an Evans tenodesis (ET group). They were followed up for 19.9 ± 3.6 years and 21.8 ± 4.6 years, respectively. During follow-up, seven patients in the AR group and 17 in the ET group required a further operation (p = 0.004). At follow-up, significantly more patients (n = 15) in the ET group had limited dorsiflexion than in the AR group (n = 6, p = 0.007) and 18 in the ET group had a positive anterior drawer test compared with seven in the AR group (p = 0002). In the ET group 27 had tenderness on palpation of the ankle compared with 15 in the AR group (p = 0.001). Stress radiographs showed ligamentous laxity significantly more often in the ET group (n = 30) than in the AR group (n = 13, p < 0.001). The mean values for talar tilt and anterior talar translation were significantly higher in the ET group than in the AR group (p < 0.001, p = 0.007, respectively). There were degenerative changes on standard radiographs in 32 patients in the AR group and 35 in the ET group (p = 0.05). Four patients in the ET group had developed severe osteoarthritis compared with none in the AR group (p = 0.025). Assessment of functional stability revealed a mean Karlsson score of 83.7 ± 10.4 points in the AR group and 67.0 ± 15.8 points in the ET group (p < 0.001). According to the Good rating system, 43 patients in the AR group had good or excellent results compared with 15 in the ET group (p < 0.001).

Compared with anatomical reconstruction, the Evans tenodesis does not prevent laxity in a large number of patients. Long-standing ligamentous laxity leads to degenerative change in the ankle, resulting in chronic pain, limited dorsiflexion and further operations. The functional result deteriorates more rapidly after the Evans tenodesis than after anatomical reconstruction.