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KMID : 1189320140080020156
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Asian Spine Journal
2014 Volume.8 No. 2 p.156 ~ p.160
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C2 Pars/Pedicle Screws in Management of Craniocervical and Upper Cervical Instability
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Eshra Mohammed Ahmed
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Abstract
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Study Design: A retrospective study.
Purpose: To evaluate the efficacy and the safety of craniocervical and upper cervical stabilization by using C2 pars/pedicle screw fixations.
Overview of Literature: The management of craniocervical and upper cervical instability has progressed over the past two decades due to good achievements in the instrumentation and the increased awareness on spinal anatomy and biomechanics. However, there is insufficient studies or solid conclusions on this topic, thus, we tried to investigate and present our findings.
Methods: Twenty-two patients were operated upon and were followed up from March 2008 to October 2010. One patient had craniocervical instability (post-surgical), 15 patients had atlantoaxial instability of different etiologies (trauma, tumors, inflammatory and degenerative) and 6 patients had hangman fractures. Patients' ages ranged from 18 to 52 years old. with 5 female patients and 17 male patients.
Results: Radiological follow ups performed immediately post-operation showed good screw positioning and complete reductions in nearly all the cases. All patients were followed up for more than one year. Sound fusions were observed among all patients.
Conclusions: The use of pars/pedicle screws is a very effective, sound, safe and easy surgical modality for treating craniocervical, atlantoaxial and upper cervical instabilities. Increasing studies for the biomechanics of this important region and longer periods of follow-ups are necessary to document the usefulness of this modality when treating such patients.
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KEYWORD
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Craniocervical, Cervical spine, C2 pars screws, C2 pedicle
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