• Wei-Bin Wang, Xin-Hua Yuan, Yi Zheng, Qing-Song Fu, Hai-Ting Wu, and Qing-Jiang Pang.
• Department of Orthopaedic and Trauma, Ningbo No.2 Hospital, Ningbo 315010, Zhejiang, China.
• Zhongguo Gu Shang. 2020 Jan 25; 33 (1): 47-52.

ObjectiveTo compare the effect of percutaneous bridging plate and retrograde suprapubic intramedullary screw in the treatment of anterior ring fracture of pelvis.MethodsFrom January 2013 to June 2017, 40 patients with unstable pelvic fractures involving anterior ring were analyzed retrospectively. According to the fixation method, they were divided into two groups, there were 20 patients in percutaneous bridging plate group (plate group) including 9 males and 11 females; according to tile classification, fractures were classified as type B1 in 1 case, type B2 in 14, type B3 in 2, type C1 in 2 and type C2 in 1. There were 20 cases in retrograde suprapubic intramedullary screw group (screw group) including 10 males and 10 females; according to tile classification, there were 1 case of type B1, 12 cases of type B2, 3 cases of type B3, 3 cases of type C1 and 1 case of type C2. The incision length, operation time, times of fluoroscopy, intraoperative bleeding volume, postoperative Matta score, postoperative complications and the last follow-up Majeed function score of the two groups were compared and analyzed.ResultsBoth groups were followed up for 8 to 15 (12.25±2.24) months in the plate group and 6 to 18 (12.4±2.6) months in the screw group, there was no significant difference between the two groups. The incision length of screw group was (3.85±0.75) cm shorter than that of steel plate group (7.05±1.39) cm; the operation time of screw group was (27.70±5.36) min longer than that of steel plate group (15.10±2.07) min; the fluoroscopy times of screw group was (6.00±1.83) more than that of steel plate group (3.75±1.33) . The bleeding volume was (22.50±10.82) ml in of screw group, (25.00±9.93) ml in steel plate group, there was no significant difference between the two groups (P>0.05) . There was no significant difference in Matta evaluation and Majeed functional score in the last follow-up. One case of superficial skin infection occurred in screw group, one case of superficial skin infection and one case of transient paralysis of lateral femoral cutaneous nerve occurred in steel plate group.ConclusionPercutaneous bridging plate and retrograde suprapubic intramedullary screw fixation of pelvic anterior ring fracture have the same effect. The operation time of the percutaneous plate group was shorter, the times of intraoperative fluoroscopy was less, and the learning curve was shorter, but the variation of the lateral femoral cutaneous nerve should be noted during the operation.

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