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Published on: September 16, 2022
Atlantoaxial fixation using the polyaxial screw-rod system.
Jan Stulik1, Tomas Vyskocil, Petr Sebesta
1Spine Surgery Department, Teaching Hospital Prague Motol, Prague 5, Czech Republic. janstulik.spine@seznam.cz
Summary
This study shows polyaxial screw-rod systems effectively stabilize the atlantoaxial complex, achieving fusion in all patients. The Harms C1-C2 fixation offers a unique temporary fixation option with good outcomes.
Area of Science:
- Neurosurgery
- Orthopedic Surgery
- Spinal Surgery
Background:
- Atlantoaxial instability presents significant challenges in spinal surgery.
- Effective fixation methods are crucial for restoring stability and function.
- Polyaxial screw-rod systems offer potential advantages in complex spinal procedures.
Purpose of the Study:
- To evaluate the initial outcomes of atlantoaxial fixation using a polyaxial screw-rod system.
- To assess the safety and efficacy of this fixation method in various upper cervical spine conditions.
- To analyze operative parameters, complications, and radiographic stability.
Main Methods:
- Retrospective evaluation of 28 patients undergoing atlantoaxial fixation with a polyaxial screw-rod system.
- Assessment of operative time, blood loss, and radiation exposure.
- Postoperative evaluation included subjective patient outcomes, radiographic assessment of fusion and stability, and complication monitoring.
Main Results:
- All 28 patients achieved C1-C2 stability within 12 weeks.
- Average operative time was 83 minutes, with average blood loss of 540 ml.
- Minor complications included paresthesia in four patients and wound dehiscence in one; no major neurovascular injuries occurred.
Conclusions:
- The polyaxial screw-rod system provides an effective and safe method for atlantoaxial fixation.
- The technique allows for temporary fixation and reduction, offering unique surgical advantages.
- This method demonstrates high efficacy in stabilizing the atlantoaxial complex across diverse pathologies.
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