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Analysis of correlative factors of spinal cord posterior displacement after single door laminoplasty / 中国骨伤
China Journal of Orthopaedics and Traumatology ; (12): 1114-1118, 2018.
Article in Chinese | WPRIM | ID: wpr-776165
ABSTRACT
OBJECTIVE@#To observe the open angle (OA), cervical curvature angle (CA), preoperative spinal cord compression rate(PSCR), postoperative spinal cord shift (PSCS) in patients with chronic compressive cervical myelopathy undergoing C3-7 single open laminoplasty, and to explore the possible mechanism and influencing factors of postoperative average spinal cord drift, so as to provide objective basis for predicting PSCS.@*METHODS@#From May 2012 to July 2016, 32 patients with multi-segmental chronic compressive cervical myelopathy who underwent single-door laminoplasty in our department were analyzed retrospectively, including 14 cases of cervical spondylotic myelopathy, 8 cases of developmental cervical spinal stenosis with cervical myelopathy, and 10 cases of ossification of posterior longitudinal ligament. The OA of cervical spine was measured on CT, the CA was measured on X-ray, the PSCR and PSCS were measured on MRI. The patients were divided into two groups according to PSCS(group A>=2.5 mm, group B0.1), and the partial regression coefficients of OA and PSCR were 0.113 and 0.059 respectively.@*CONCLUSIONS@#PSCS is the result of OA, CA and PSCR, among which PSCR has the most important influence, OA is the second, CA is the least. PSCS can be predicted by 0.059×OA+0.113×PSCR-2.266 equation, which provides a theoretical basis for preoperative evaluation of spinal cord decompression after surgery.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Spinal Cord Diseases / Cervical Vertebrae / Retrospective Studies / Treatment Outcome / Laminoplasty / Laminectomy Type of study: Observational study / Prognostic study Limits: Aged / Female / Humans / Male Language: Chinese Journal: China Journal of Orthopaedics and Traumatology Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Spinal Cord Diseases / Cervical Vertebrae / Retrospective Studies / Treatment Outcome / Laminoplasty / Laminectomy Type of study: Observational study / Prognostic study Limits: Aged / Female / Humans / Male Language: Chinese Journal: China Journal of Orthopaedics and Traumatology Year: 2018 Type: Article