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Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
Published on: January 24, 2018
Anatomical Reconstruction of Lateral Ankle Ligaments Using Free Tendon Allografts and Biotenodesis Screws
Hong-Geun Jung1, Min-Ho Shin1, Jong-Tae Park1
1Department of Orthopedic Surgery, Konkuk University School of Medicine, Seoul, Republic of Korea (ROK).
Background:
Lateral ankle instability is one of the most common musculoskeletal disorders and can result in ankle damage. This study reports on the results of the anatomical reconstruction of ligaments using semitendinosus tendon allograft and bioabsorbable tenodesis screws for chronic lateral ankle instability, as well as the functional and radiological results of this procedure.
Methods:
From February 2007 to January 2013, 70 patients (72 ankles) underwent this procedure. Six patients were lost to follow-up, and ultimately 64 patients (66 ankles) were evaluated. Visual Analog Scale (VAS) pain scores, American Orthopaedic Foot & Ankle Society (AOFAS) scores, Karlsson-Peterson ankle scores, and patient satisfaction were evaluated at a mean of 22.1 months (range, 12-68 months) postoperatively. The talar tilt angle and anterior translation were assessed radiographically in pre- and postoperative ankle stress views. The mean patient age at surgery was 30.1 years (range, 16-59 years).
Results:
The mean VAS pain score decreased from 5.5 to 1.3 (P < .05), and the mean AOFAS improved from 71.0 to 90.9 (P < .05). The mean Karlsson-Peterson score improved from 55.1 to 90.3, whereas talar tilt decreased from 14.8 degrees to 3.9 degrees. There was no significant difference in clinical outcomes between the pretensioned and nonpretensioned groups.
Conclusion:
This procedure yielded successful results, including satisfactory ankle stability and clinical outcomes, in ankles with poor lateral ligament tissues.
Level Of Evidence:
Level IV, case series.
