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Occipitocervical Revision Surgery Using the Bicortical Screw and Plate System for Failed Craniovertebral Junction
Yan Sun1,2, Feng Yang2, Hao-Ning Ma2
1Beijing University of Chinese Medicine, Beijing, China.
Orthopaedic Surgery
|December 14, 2021
Summary
This study shows that a modified occipitocervical technique using bicortical screws is safe and effective for revision surgery. Patients experienced significant improvements in function and pain relief after the procedure.
Area of Science:
- Neurosurgery
- Orthopedic Surgery
- Spinal Surgery
Background:
- Occipitocervical revision surgery presents unique challenges.
- Evaluating novel techniques is crucial for improving patient outcomes.
Purpose of the Study:
- To assess the clinical efficacy and safety of a modified occipitocervical technique using bicortical screws and a plate system.
- To determine the value of this modified approach in revision surgeries.
Main Methods:
- Retrospective evaluation of 12 patients undergoing posterior occipitocervical resurgery.
- Utilized a modified technique with bicortical screws and an occipital plate.
- Detailed CT measurements of occipital bone thickness and a specific drilling protocol were employed.
Main Results:
- Significant improvement in JOA scores (8.58 to 12.67) and reduction in VAS scores (6.17 to 2.08) were observed.
- All patients reported symptom relief and achieved rigid internal fixation with bone fusion.
- No major complications occurred during the follow-up period.
Conclusions:
- The modified posterior occipitocervical plate-screw system with bicortical screws offers safety and efficacy.
- This technique is valuable for occipitocervical revision surgery, avoiding extensive tissue release or intraspinal manipulation.
