• 1. Chinese PLA General Medical School, Beijing, 100853, P. R. China;
  • 2. Department of Orthopaedic Trauma, Chinese PLA General Hospital, Beijing, 100048, P. R. China;
  • 3. National Clinical Research Center for Orthopaedics & Sports Rehabilitation in China, Beijing, 100048, P. R. China;
  • 4. AI Sports Engineering Lab, School of Sports Engineering, Beijing Sport University, Beijing, 100084, P. R. China;
  • 5. Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing, 100101, P. R. China;
CHEN Hua, Email: chenhua0270@126.com
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Objective  To compare the reduction qualities of three-dimensional visible technique without fluoroscopy and two-dimensional fluoroscopy for unstable pelvic fractures during operations. Methods  The clinical data of 40 patients with unstable pelvic fractures, who met the selection criteria in three clinical centers between June 2021 and September 2022, were retrospectively analyzed. According to the reduction methods, the patients were divided into two groups. Twenty patients in trial group were treated with unlocking closed reduction system combined with three-dimensional visible technique without fluoroscopy; 20 patients in control group with unlocking closed reduction system under two-dimensional fluoroscopy. There was no significant difference in the gender, age, injury mechanism, Tile type of fracture, Injury Severity Score (ISS), and the time between injury to operation between the two groups (P>0.05). The qualities of fracture reduction according to the Matta criteria, operative time, intraoperative blood loss, fracture reduction time, times of fluoroscopy, and System Usability Scale (SUS) score were recorded and compared. Results  All operations were successfully completed in both groups. According to the Matta criteria, the qualities of fracture reduction were rated as excellent in 19 patients (95%) in trial group, which was better than that in the control group (13 cases, 65%), with a significant difference (χ2=3.906, P=0.048). The operative time and intraoperative blood loss had no significant differences between the two groups (P>0.05). The fracture reduction time and times of fluoroscopy were significantly less in trial group than in control group (P<0.05), and SUS score in trial group was significantly higher in trial group than in control group (P<0.05). Conclusion Compared to using unlocking closed reduction system under two-dimensional fluoroscopy, three-dimensional visible technique without fluoroscopy can significantly improve the reduction quality of unstable pelvic fractures without prolonging the operative time, and is valuable to reduce iatrogenic radiation exposure for patients and medical workers.

Citation: LI Jiaqi, CHEN Hua, ZHANG Wei, QI Hongzhe, ZHU Zhengguo, CHANG Zuhao, QI Lin, ZHOU Feng, LIU Haoyang, TANG Peifu. Effectiveness of three-dimensional visible technique without fluoroscopy versus two-dimensional fluoroscopy in reduction of unstable pelvic fractures. Chinese Journal of Reparative and Reconstructive Surgery, 2023, 37(2): 129-135. doi: 10.7507/1002-1892.202210073 Copy