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  • Title: Treatment of peroneal tendon dislocation and coexisting medial and lateral ligamentous laxity in the ankle joint.
    Author: Ziai P, Sabeti-Aschraf M, Fehske K, Dlaska CE, Funovics P, Wenzel F, Graf A, Buchhorn T.
    Journal: Knee Surg Sports Traumatol Arthrosc; 2011 Jun; 19(6):1004-8. PubMed ID: 21409464.
    Abstract:
    PURPOSE: Acute dislocation of the peroneal tendon is caused by massive combined flexion-torsion trauma supported by preexisting ligamentous laxity of the ankle joint. This study aimed to investigate the clinical outcome of combined treatment of peroneal tendon dislocation and lateral and medial ligamentous laxity. METHODS: Between 2005 and 2007, forty-two patients with peroneal tendon dislocation and coexisting ligamentous laxity were treated. The superior extensor retinaculum was reconstructed using anchor technique and periosteal flap repair, whereas the preexisting ligamentous laxity with regard to the extensor inferior retinaculum was addressed using anchor reconstruction. All patients underwent arthroscopy prior to surgery. Thirty-eight of a total of 42 patients (aged 17-31) completed the 24-month follow-up. Clinical and arthroscopic examination was accomplished consistently by always the same two surgeons. Postoperative follow-up comprised clinical evaluation after 3, 6, 12 and 24 months. RESULTS: Clinical results showed a significant (P<0.0001) increase in the AOFAS-Hindfoot Score as an often used but not validated outcome measure, as well as a significant decrease in the Visual Analogue Scale and in the internal and external rotation, after 3 months. The clinical outcome was confirmed at the 6-, 12- and 24-months measuring points. No dislocation of the peroneal tendon recurred within the 24-month follow-up. Subjective patient satisfaction was stated as high. CONCLUSIONS: Combined treatment of peroneal tendon dislocation and coexisting lateral and medial ligamentous laxity in the ankle joint following arthroscopy results in good clinical outcome and high patient satisfaction. LEVEL OF EVIDENCE: Case series, Level IV.
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