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A Teleoperated Robotic System-Assisted Percutaneous Transiliac-Transsacral Screw Fixation Technique
Published on: January 6, 2023
Computer-navigated iliosacral screw insertion reduces malposition rate and radiation exposure
Jörn Zwingmann1, Gerhard Konrad, Elmar Kotter
1Department of Orthopaedic and Trauma Surgery, University of Freiburg Medical Center, Hugstetter Strasse 55, 79106 Freiburg, Germany. jzwingmann@freenet.de
Clinical Orthopaedics and Related Research
|November 27, 2008
Summary
Computer navigation for percutaneous iliosacral screws significantly reduced radiation exposure and improved screw accuracy compared to traditional fluoroscopy. This technique enhances patient safety and surgical outcomes in spinal procedures.
Area of Science:
- Orthopedic Surgery
- Medical Imaging
- Neurosurgery
Background:
- Percutaneous iliosacral screw placement using fluoroscopic guidance often results in high rates of screw malposition and prolonged radiation exposure.
- Minimally invasive spinal procedures require precise instrumentation to ensure optimal patient outcomes.
Purpose of the Study:
- To evaluate if computer-assisted navigation reduces radiation exposure and improves screw accuracy during percutaneous iliosacral screw insertion compared to conventional fluoroscopic techniques.
- To compare operative times, radiation doses, and screw positioning between navigation-assisted and fluoroscopic-assisted procedures.
Main Methods:
- A comparative study involving 24 patients (26 screws) using computer-assisted navigation and 32 patients (35 screws) using conventional fluoroscopy.
- Screw positions were assessed postoperatively using computed tomography (CT).
- Analysis included operative time, radiation exposure, and screw malposition rates.
Main Results:
- No significant difference in operative times was observed between the two groups.
- Computer-assisted navigation led to a reduction in radiation exposure for both patients and operating room personnel.
- Postoperative CT scans revealed improved screw positioning and a lower incidence of malpositioned screws in the computer-assisted navigation group.
Conclusions:
- Computer-assisted navigation is a valuable tool for percutaneous iliosacral screw insertion, offering improved accuracy and reduced radiation exposure.
- This technology enhances the safety and efficacy of spinal instrumentation procedures.
