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  • Title: The Clinical Efficacy of Suture-Button Fixation and Trans-Syndesmotic Screw Fixation in the Treatment of Ankle Fracture Combined With Distal Tibiofibular Syndesmosis Injury: A Retrospective Study.
    Author: Xu Y, Kang R, Li M, Li Z, Ma T, Ren C, Wang Q, Lu Y, Zhang K.
    Journal: J Foot Ankle Surg; 2022; 61(1):143-148. PubMed ID: 34404589.
    Abstract:
    Twenty percent of ankle fractures present with concomitant syndesmosis injury which results in poor clinical outcomes. Surgical stabilization of the syndesmosis can be achieved with either trans-syndesmotic screws or a suture button device. The aim of this study is to investigate the clinical efficacy of suture button fixation and trans-syndesmotic screw fixation in the treatment of ankle fracture combined with distal tibiofibular syndesmosis injury. A retrospective analysis was conducted by enrolling 76 patients with ankle fractures combined with distal tibiofibular syndesmosis injury who were admitted in our trauma center from January 2018 to January 2019, including 34 cases of suture button group and 42 cases of the syndesmotic screw group with a mean follow-up period of 16 ± 7 (range 12-21) months. The demographic data included gender, age, injury mechanism, AO classification and the operation duration were recorded, the radiographic and clinical outcomes were determined by tibiofibular clear space, tibiofibular overlap distance, complications, and the Olerud-Molander Ankle Score at the last follow-up. All the indexes were compared between the 2 groups to discover the related statistical differences. With the numbers available, no significant difference could be detected in the surgical duration, tibiofibular clear space, tibiofibular overlap distance, total complication rate, and middle-term Olerud-Molander Ankle scores between the 2 groups. However, the suture button fixation group showed higher early stage Olerud-Molander Ankle scores (p = .027) and shorter full weightbearing time (p = .018) than that of syndesmotic screw fixation group. Considering the outcomes, we conclude that the suture button fixation not only shows equivalent efficacy to the traditional syndesmotic screw, but also has advantages of allowing early weightbearing, low requirements for routine removal.
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