The goal of this clinical trial is to learn about the surgical techniques of percutaneous sacroiliac screw fixation both the two-view fluoroscopic technique (sacral inlet and outlet views) and the standard three-view fluoroscopic technique (lateral, sacral inlet, and sacral outlet views).
The main questions it aims to answer is:
• Is there any difference of the operative time, intraoperative radiation exposure time, screw malposition rate, and postoperative neurological complication rate for percutaneous pelvic screw fixation between two techniques?
Researchers will compare two surgical techniques of percutaneous sacroiliac screw fixation in high energy posterior pelvic ring injured patients.
Participants will:
* Be examined neurological status carefully before and after the operation
* Get both preoperative and postoperative CT scan
* Undergo the percutaneous sacroiliac screw(s) fixation with or without anterior plating fixation