• Igor Kaftandziev, Bore Bakota, Simon Trpeski, Oliver Arsovski, Marko Spasov, and Andrej Cretnik.
• University Clinic of Traumatology - Medical faculty of Skopje, North Macedonia, Macedonia.
• Injury. 2021 Sep 1; 52 Suppl 5: S70-S74.

IntroductionA few radiographic techniques have been proposed to evaluate ankle syndesmosis reduction. The purpose of this study was to analyze post-operatively with CT-scanning the quality of ankle syndesmotic reduction. Moreover, to assess the impact of quality of syndesmotic reduction to functional outcome.Materials And MethodsA prospective cohort study focused on patients older than 17 years with lateral and medial malleolar fracture with verified syndesmotic disruption.Exclusion Criteriaopen fracture, concomitant injury, surgery delayed for more than 24 hours, additional posterior malleolar fracture, ASA score of ≥ 3, complication requiring revision surgery, articular step or gap of ≥ 2mm on the postoperative CT scans.ResultsOut of 41 patients, 34 participants completed the follow-up. There was a male predominance (20 patients - 58.82%) and the mean age was 48.46±16.1 years (range (20-72 years). 22 patients (64.71%) have sustained type B fracture, while in 12 patients (35.29%) the fracture was of a type C. The reduction was classified as anatomical in 26 patients (76.50%), while in 8 patients (23.50%) the reduction of the syndesmosis was non-anatomical. In those 26 patients in whom the reduction was anatomical, 17 (65.39%) were males and there were 18 (66.67%) type B fractures. In the patients with non-anatomical reduction, 3 patients (37.5%) were of a male gender and there was the equal number of type B and C fractures. The statistical analysis showed significantly favorable scores for both AOFAS score and VAS scale for the patients with anatomical reduction.ConclusionFunctional analysis showed a strong association with the CT observed reduction quality and both the AOFAS score and VAS scale. Further studies are desirable to provide further evidence in relation to the findings of this study.Copyright © 2021. Published by Elsevier Ltd.

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