Journal of spinal disorders & techniques
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J Spinal Disord Tech · Oct 2007
Facet joint pain in chronic spinal pain: an evaluation of prevalence and false-positive rate of diagnostic blocks.
A retrospective review. ⋯ This retrospective review once again confirmed the significant prevalence of facet joint pain in chronic spinal pain.
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J Spinal Disord Tech · Oct 2007
Open-door laminoplasty with suture anchor fixation for cervical myelopathy in ossification of the posterior longitudinal ligament.
Expansive laminoplasty was developed to achieve posterior spinal cord decompression while preserving cervical spine stability. In the classic Hirabayashi procedure, the lamina door is tethered open by sutures between the spinous process and facet capsule or paravertebral muscle. The authors present a modified technique, which enhances secure fixation and prevents restenosis owing to hinge closure. ⋯ No neurologic deterioration owing to hinge reclosure or major surgery-related complications were observed. In conclusion, unilateral open-door laminoplasty with suture anchor fixation effectively maintains expansion of the spinal canal and resists closure while preserving alignment and stability. This modified technique has a low complication rate and provides marked functional improvement in patients with cervical myelopathy owing to ossification of the posterior longitudinal ligament.
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J Spinal Disord Tech · Aug 2007
Clinical TrialMultislice CT fluoroscopy-assisted cervical transforaminal injection of steroids: technical note.
A prospective study of 19 consecutive patients who underwent multislice computed tomography (CT)-guided cervical transforaminal steroid injection. ⋯ The multislice CT fluoroscopy-guided approach is feasible and a safe and effective approach for cervical transforaminal steroid injection. With the advantages of safety for the patient and precise placement of the needle for injection, this technique might be an additional option and may eventually replace the conventional C-arm fluoroscopy-guided cervical transforaminal steroid injection technique.
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J Spinal Disord Tech · Aug 2007
Comparative StudyComparative biomechanical analysis of an improved novel pedicle screw with sheath and bone cement.
A human cadaveric biomechanical study of fixation strength of an improved novel pedicle screw (NPS) with cement and a conventional screw. ⋯ The NPS showed a significantly higher mechanical strength than the control screw in both pull-out tests and cyclic loading tests. The NPS showed more than adequate strength without cement leakage.