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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 471 - 477 (7page)
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초록· 키워드
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Objectives : The correction of clinical and radiologic abnormalities in patients with symptomatic ossification of the posterior longitudinal ligament (OPLL) is the current mainstay of treatment. This study aimed to identify radiographic predictors of severity of myelopathy in patients with symptomatic OPLL. Methods : Fifty patients with symptomatic cervical OPLL were enrolled. Based on Japanese Orthopedic Association (JOA) scores, patients were divided into either the mild myelopathy (n=31) or severe myelopathy (n=19) group. All subjects underwent preoperative plain cervical roentgenogram, computed tomography (CT), and MR imaging (MRI). Radiological parameters (C2-7 sagittal vertical axis, SVA; C2-7 Cobb angle; C2-7 range of motion, ROM; OPLL occupying ratio; and compression angle) were compared. Compression angle of OPLL was defined as the angle between the cranial and caudal surfaces of OPLL at the maximum level of cord compression Results : The occupying ratio of the spinal canal, C2-7 Cobb angle, C2-7 SVA, types of OPLL, and C2-7 ROM of the cervical spine were not statistically different between the two groups. However, the OPLL compression angle was significantly greater (p=0.003) in the severe myelopathy group than in the mild myelopathy group and was inversely correlated with JOA score (r=-0.533, p<0.01). Furthermore, multivariate regression analysis demonstrated that the compression angle (B=-0.069, p<0.001) was significantly associated with JOA scores (R=0.647, p<0.005). Conclusion : Higher compression angles of OPLL have deleterious effects on the spinal cord and decrease preoperative JOA scores.
목차
등록된 정보가 없습니다.
참고문헌 (18)
참고문헌 신청
Chiba K / 2006 / Long-term results of expansive open-door laminoplasty for cervical myelopathy--average 14-year follow-up study / Spine 31:2998~3005
Ferch RD / 2004 / Anterior correction of cervical kyphotic deformity : effects on myelopathy, neck pain, and sagittal alignment / J Neurosurg 100:13~19
Fujiyoshi T / 2010 / Static versus dynamic factors for the development of myelopathy in patients with cervical ossification of the posterior longitudinal ligament / J Clin Neurosci 17:320~324
Gore DR / 1986 / Roentgenographic findings of the cervical spine in asymptomatic people / Spine 11:521~524
Masaki Y / 2007 / An analysis of factors causing poor surgical outcome in patients with cervical myelopathy due to ossification of the posterior longitudinal ligament : anterior decompression with spinal fusion versus laminoplasty / J Spinal Disord Tech 20:7~13
Ferch RD / 2004 / Anterior correction of cervical kyphotic deformity : effects on myelopathy, neck pain, and sagittal alignment / J Neurosurg 100:13~19
Fujiyoshi T / 2010 / Static versus dynamic factors for the development of myelopathy in patients with cervical ossification of the posterior longitudinal ligament / J Clin Neurosci 17:320~324
Gore DR / 1986 / Roentgenographic findings of the cervical spine in asymptomatic people / Spine 11:521~524
Masaki Y / 2007 / An analysis of factors causing poor surgical outcome in patients with cervical myelopathy due to ossification of the posterior longitudinal ligament : anterior decompression with spinal fusion versus laminoplasty / J Spinal Disord Tech 20:7~13
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