• Injury · Jul 2021

    Can preoperative radiographs predict hardware complication or fracture displacement after operative treatment of pelvic ring injuries?

    • Benjamin M Wheatley, Rebecca Schorr, Heather Fuhrman, Eric C Hempen, Daniel T Altman, Edward Westrick, and Gregory T Altman.
    • Department of Orthopedic Surgery, Allegheny Health Network, 307 Federal St, 2nd floor, Pittsburgh, PA, USA. Electronic address: ben.m.wheatley@gmail.com.
    • Injury. 2021 Jul 1; 52 (7): 1788-1792.

    IntroductionOperative fixation of pelvic ring injuries is associated with a high risk of hardware failure and loss of reduction. The purpose of this study was to determine whether preoperative radiographs can predict failure after operative treatment of pelvic ring injuries and if the method of fixation effects their risk.Patients And MethodsWe conducted a retrospective cohort study of 143 patients with pelvic ring injuries treated with operative fixation at a level 1 trauma center. Preoperative radiographs were examined for the presence of the following characteristics: bilateral rami fractures, segmental or comminuted rami fractures, contralateral anterior and posterior injuries, complete sacral fracture, and displaced inferior ramus fractures. The method of fixation was classified based on the presence of anterior, posterior, or combined anterior and posterior fixation as well as whether or not posterior fixation was performed at a single or multiple sacral levels. Post-operative radiographs were examined for hardware failure or loss of reduction.ResultsTwenty-one patients (14.7%) demonstrated either hardware complication or fracture displacement within 6 months of surgery. Male sex was associated with a decreased risk of hardware complication (OR 0.11 [0.014, 0.86]; p=0.03). Posterior pelvic ring fixation at multiple sacral levels was associated with a decreased risk of fracture displacement (OR 0.21 [0.056, 0.83]; p=0.02). We were unable to demonstrate a significant association between preoperative radiographic characteristics and risk of hardware failure or fracture displacement.ConclusionOur study demonstrates that both gender and the method of posterior fixation are associated with hardware failure or displacement.Published by Elsevier Ltd.

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