• Eur J Trauma Emerg Surg · Apr 2021

    Modified internal fixator for anterior pelvic ring fractures versus conventional two-screw fixation.

    • Shenglong Ding, Xiaojian He, Guangming Zhang, Zhiyong Ruan, and Xiaotian Wu.
    • Department of Orthopaedics, Qingpu Branch of Zhongshan Hospital, Fudan University, 1158 Gongyuandong Road, Qingpu District, Shanghai, 201700, China.
    • Eur J Trauma Emerg Surg. 2021 Apr 1; 47 (2): 533-539.

    PurposeThe present study aims to evaluate the short-term clinical effects and complications of modified three-screw fixation and conventional two-screw fixation for treating anterior pelvic ring fractures.MethodsA retrospective study of 51 patients with type B fractures was performed. 25 patients (modified group) were treated with modified three-screw fixation and the other 26 patients (conventional group) with conventional two-screw fixation. Outcome measures included operation time, intraoperative blood loss, hospital stays, postoperative complications and the Majeed score at postoperatively 2 months, 3 months, 1 year and the time of implant removal.ResultsThe mean operative times and mean blood loss for modified three-screw fixation versus conventional two-screw fixation bilateral were 54.8 ± 10.7 min versus 32.3 ± 9.9 min, and 153.3 mL versus 550.0 mL (p < 0.001), respectively. However, the Majeed score was better in modified group at postoperatively 2 months (75.6 ± 9.5 vs. 69.7 ± 8.3, p = 0.008) and 3 months (80.3 ± 10.7 vs. 75.1 ± 11.9, p = 0.014). There was no statistical difference between two groups at the time of implant removal (82.1 ± 9.3 vs. 80.9 ± 8.8, p = 0.272) and postoperatively 1 year (83.5 ± 7.8 vs 82.6 ± 8.2, p = 0.723). No patients experienced surgical wound infection, deep vein thrombosis, delayed union or nonunion, implant loosening or rupture. One patient complained of tardive unilateral thigh pain at postoperatively 4 months in conventional group.ConclusionsBoth modified three-screw fixation and conventional two-screw fixation could ultimately afford satisfactory clinical and radiological outcomes with less complication for anterior pelvic ring fractures. The modified three-screw fixation might have better biomechanical strength and faster pelvic rehabilitation.

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