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Modification of Wright's technique for C2 translaminar screw fixation: technical note
1The National Hospital for Neurology and Neurosurgery, Queen Square, London WC1N 3BG, UK. rezaulkabir@hotmail.com
Acta Neurochirurgica
|August 7, 2009
Summary
A modified C2 translaminar screw fixation technique improves bone graft placement and reduces cortical breach risk. This method is suitable for specific complex spinal cases, enhancing surgical outcomes.
Area of Science:
- Neurosurgery
- Spinal Surgery
- Orthopedic Surgery
Background:
- Bilateral crossing C2 laminar screws are a popular C2 fixation method.
- Disadvantages include potential lamina breach, hardware failure, and graft placement difficulty.
Purpose of the Study:
- To describe a modified Wright's technique for C2 translaminar screw fixation.
- To address limitations of the standard technique, such as cortical breach and graft placement issues.
Main Methods:
- A modified technique involving removal of the C2 spinous process upper part was used in six patients.
- Screw entry point was repositioned to the base of the removed spinous process.
Main Results:
- Satisfactory screw placement was achieved in all patients.
- No intraoperative or early postoperative complications were reported.
Conclusions:
- The modified technique facilitates bone graft placement on the C2 lamina.
- It reduces the likelihood of inadvertent cortical breach, making it suitable for specific patient populations.
- This technique is not appropriate for bilateral translaminar screw placement.
