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Emergency iliosacral screw fixation assisted by TiRobot for unstable posterior pelvic ring fracture北大核心CSCD
作者单位:1.Department of Orthopedics and Traumatology, Beijing Jishuitan Hospital, Beijing100035;2.Department of Orthopaedics, Capital Medical University, Beijing Children's Hospital, National Center for Children's Health, Beijing100045;
摘    要:Objective To evaluate the emergency iliosacral screw fixation assisted by TiRobot for unstable posterior pelvic ring fracture. Methods The 26 patients with unstable pelvic fracture were analyzed retrospectively who had undergone emergency iliosacral screw fixation at Department of Orthopedics & Traumatology, Beijing Jishuitan Hospital from June 2018 to December 2020. They were divided into 2 groups depending on whether orthopaedic TiRobot was used to assist screw insertion. In the observation group of 14 cases subjected to TiRobot-assisted insertion of iliosacral screws, there were 10 males and 4 females with an age of (45.9 ± 10.1) years; in the control group of 12 cases subjected to conventional manual insertion of iliosacral screws, there were 9 males and 3 females with an age of (49.2 ± 11.3) years. All the surgeries were conducted within 24 hours after injury. The 2 groups were compared in terms of screw insertion time, pin insertion, intraoperative blood loss, fluoroscopy time, postoperative screw position, fracture reduction and Harris hip score at the final follow-up. Results The 2 groups were comparable because there was no significant difference between them in their preoperative general clinical data or follow-up time (P>0.05). The screw insertion time (16.1 ± 3.4) min] and fluoroscopy time (8.1 ± 3.3) s] in the observation group were significantly shorter than those in the control group (26.4 ± 5.4) min and (25.2 ± 7.4) s], and the pin insertions 1 (1, 2) times] and intraoperative blood loss (10.5 ± 6.4) mL] in the former were significantly less than those in the latter 6 (3, 8) times and (24.8 ± 6.7) mL] (all P<0.05). Postoperatively, the sacroiliac screw position was excellent in 18 cases and good in 2 in the observation group while excellent in 14 cases, good in 2 and poor in 2 in the control group; the fracture reduction was excellent in 12 cases, good in one and fair in one in the observation group while excellent in 10 cases, good in one and fair in one in the control group, showing insignificant differences in the above comparisons (P>0.05). There was no significant difference either in the Harris hip score at the final follow-up between the 2 groups (P>0.05). Conclusion Compared with conventional manual insertion of iliosacral screws, emergency iliosacral screw fixation assisted by TiRobot can effectively decrease surgical time and reduce operative invasion due to a higher accuracy rate of screw insertion. © 2022 Chinese Journal of Orthopaedic Trauma. All rights reserved.

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