T1 Slope and Degenerative Cervical Spondylolisthesis

被引:61
作者
Jun, Hyo Sub [1 ]
Kim, Ji Hee [1 ]
Ahn, Jun Hyong [1 ]
Chang, In Bok [1 ]
Song, Joon Ho [1 ]
Kim, Tae Hwan [2 ]
Park, Moon Soo [2 ]
Kim, Yong Chan [2 ]
Kim, Seok Woo [2 ]
Oh, Jae Keun [1 ]
机构
[1] Hallym Univ, Sacred Heart Hosp, Dept Neurosurg, Anyang 421070, Gyeonggi Do, South Korea
[2] Hallym Univ, Sacred Heart Hosp, Dept Orthoped, Anyang 421070, Gyeonggi Do, South Korea
关键词
T1; slope; degenerative cervical spondylolisthesis; cervical sagittal alignment; CT scan; SAGITTAL ALIGNMENT; NATURAL-HISTORY; FOLLOW-UP; SPINE; BALANCE; MOTION; PELVIS; RADIOGRAPHS; PARAMETERS; ADULTS;
D O I
10.1097/BRS.0000000000000722
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Study Design. Retrospective analysis. Objective. The main objectives of this study were to analyze and compare cervical sagittal parameters, including the T1 slope, in a population of 45 patients with degenerative cervical spondylolisthesis (DCS) and to compare these patients with a control group of asymptomatic population. Summary of Background Data. Sagittal balance in the cervical spine is as important as the pelvic incidence and is related to the concept of T1 slope. Compared with degenerative lumbar spondylolisthesis, there are few studies evaluating DCS, and characteristic changes of the cervical sagittal parameters (including T1 slope) in patients with DCS are not well studied. Methods. We identified 45 patients with DCS (5.8%) from a database of 767 patients, using cervical radiograph in a standing position. All had radiograph and computed tomographic scan at the same time. Cervical sagittal parameters were analyzed on computed tomographic scan in a standardized supine position. The following cervical sagittal parameters were measured: T1 slope, neck tilt, thoracic inlet angle, and cervical lordosis (C2-C7 angle). The DCS group was compared with a control group of 45 asymptomatic age-and sex-matched adults to the DCS group, who were studied in a recently published study. Results. Of our initial group of 767 patients, 45 with anterolisthesis (5.8%) were included for this study. The T1 slope was significantly greater for DCS (26.06 degrees +/- 7.3 degrees) compared with the control group (22.32 degrees +/- 7.0 degrees). No significant difference of the neck tilt, thoracic inlet angle, and C2-C7 angle was seen between the DSC group and the control group. Therefore, the T1 slope of the DSC group was significantly greater than that of the control group (P < 0.005). Conclusion. The DCS group was characterized by a greater T1 slope than the control group; therefore, we suggest that a high T1 slope may be a predisposing factor in developing DCS.
引用
收藏
页码:E220 / E226
页数:7
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