|Analysis of the cervical spine sagittal alignment in young idiopathic scoliosis: a morphological classification of 120 cases|
|Yu, Miao1; Silvestre, Clement2; Mouton, Tanguy2; Rachkidi, Rami2; Zeng, Lin3; Roussouly, Pierre2|
|关键词||Young idiopathic scoliosis Cervical kyphosis Cervico-thoracic sagittal alignment groups Global sagittal alignment|
|刊名||EUROPEAN SPINE JOURNAL|
|WOS标题词||Science & Technology|
|类目[WOS]||Clinical Neurology ; Orthopedics|
|研究领域[WOS]||Neurosciences & Neurology ; Orthopedics|
|关键词[WOS]||ADOLESCENT ; PELVIS ; DEFORMITY|
To analyze the relationship between the cervical spine and global spinal-pelvic alignment in young patients with idiopathic scoliosis based on a morphological classification, and to postulate the hypothesis that cervical kyphosis is a part of cervico-thoracic kyphosis in them.
120 young patients with idiopathic scoliosis were recruited retrospectively between 2006 and 2011. The following values were measured and calculated: cervical angles (CA), cervico-thoracic angles (CTA), pelvic incidence (PI), pelvic tilt (PT), sacral slope (SS), spinal sacral angle (SSA), hip to C7/hip to sacrum, thoracic kyphosis (TK), lumbar lordosis (LL), Roussouly sagittal classification, Lenke Type Curve and Lumbar Modifier. The cervical curves were classified as lordosis, straight, sigmoid and kyphosis. They were categorized into four groups as cervical non-kyphosis group (CNK Group), cervical kyphosis group (CK Group), cervical-middle-thoracic kyphosis group (CMTK Group), and cervical-lower-thoracic kyphosis group (CLTK Group) according to their morphological characters of sagittal alignments. All parameters were compared and analyzed among groups.
The incidence of cervical kyphosis was 40 % (48/120). The CA and the CTA were in significant correlation (r = 0.854, P = 0.00). The cervical spine alignments were revealed to be significantly different among groups (r = 85.04, P = 0.00). Significant differences among groups in CA, CTA and TK were also detected. A strong correlation between the group type and Lenke Lumbar Modifier was still seen (P < 0.05). Fisher′s exact test revealed that the individual vertebral body kyphosis and wedging were directly related to the overall cervical kyphosis (P = 0.00, respectively).
The cervical kyphosis is correlated with global sagittal alignment, and is a part of cervico-thoracic sagittal deformity in young patients with idiopathic scoliosis. Despite the deformity in cervical alignment, the global spine could still be well-balanced with spontaneous adjustment. The correlation between our grouping based on the morphological characteristics of the sagittal alignments and Lenke Lumbar Modifier suggests that the coupled motion principle be appropriate to explain the modifications both in coronal and sagittal planes.
|作者单位||1.Ctr Med Chirurg Readaptat Massues, Serv Orthoped, F-69332 Lyon, France|
2.Peking Univ, Hosp 3, Dept Orthoped, Beijing 100191, Peoples R China
3.Peking Univ, Hosp 3, Clin Epidemiol Res Ctr, Beijing 100191, Peoples R China
|Yu, Miao,Silvestre, Clement,Mouton, Tanguy,et al. Analysis of the cervical spine sagittal alignment in young idiopathic scoliosis: a morphological classification of 120 cases[J]. EUROPEAN SPINE JOURNAL,2013,22(11):2372-2381.|
|APA||Yu, Miao,Silvestre, Clement,Mouton, Tanguy,Rachkidi, Rami,Zeng, Lin,&Roussouly, Pierre.(2013).Analysis of the cervical spine sagittal alignment in young idiopathic scoliosis: a morphological classification of 120 cases.EUROPEAN SPINE JOURNAL,22(11),2372-2381.|
|MLA||Yu, Miao,et al."Analysis of the cervical spine sagittal alignment in young idiopathic scoliosis: a morphological classification of 120 cases".EUROPEAN SPINE JOURNAL 22.11(2013):2372-2381.|