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Early results from posterior cervical fusion with a screw-rod system.

Kim, SH; Shin, DA; Yi, S; Yoon, do H; Kim, KN; Shin, HC
Yonsei medical journal, 48(3):440-448, 2007
Journal Title
Yonsei medical journal
PURPOSE: We performed 65 cases of posterior fusion surgery for cervical and/or high thoracic lesions using a polyaxial screw-rod system.

PATIENTS AND METHODS: A total of 486 screws were implanted in 65 patients.

RESULTS: Fixation of the screws was carried out over an average of 2.9 spinal segments. Upon evaluation by postoperative CT scans, twelve (2.5%) screws had suboptimal trajectories but two of these revealed radiculopathy in one patient and required screw repositioning. No vascular sequelae resulted. There has been no segmental motion in any of the cases to date. As for other complications, there was one case of dural tearing and two cases of lateral mass fractures. There were no infections or other wound healing problems or hardware failures. No patients had neurological deterioration after surgery. There were statistically significant improvements in the mean Neck Disability Index (NDI) scores and Visual Analogue Scale (VAS) scores in the preoperative and late postoperative follow-up evaluations. Although further studies are required to establish the long-term results of fusion rates and clinical outcomes.

CONCLUSION: We cautiously suggest that the posterior polyaxial screw-rod system can be safely used as a primary or additional fusion method in this risky region. The successful and safe use of this method is dependent on a precise preoperative surgical plan and tactics for ensuring safe screw fixation.
MeSH terms
AdultAgedAged, 80 and overBone Screws*Cervical Vertebrae/radiographyCervical Vertebrae/surgery*FemaleHumansMaleMiddle AgedRecovery of FunctionReproducibility of ResultsSpinal Diseases/physiopathologySpinal Diseases/surgery*Spinal Fusion/instrumentationSpinal Fusion/methods*Thoracic Vertebrae/radiographyThoracic Vertebrae/surgeryTime FactorsTomography, X-Ray ComputedTreatment Outcome
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Neurosurgery
AJOU Authors
김, 상현
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