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2024, Vol. 28 ›› Issue (36): 5753-5758

Correlation between lumbar spine and pelvic parameters in Lenke type 5 adolescent idiopathic scoliosis

Hou Yutong1, Huang Chenglan1, Yang Yunxiao1, Li Ya1, Guo Peiwu2, Yu Wenqiang3, Zhao Yu4, Wang Zanbo4, Zeng Hong5, Ma Zhenjiang6, Lu Dezhi6, Wang Jinwu6   

  1. 1School of Rehabilitation Medicine, Weifang Medical University, Weifang 261053, Shandong Province, China; 2Department of Rehabilitation, Weifang People’s Hospital, Weifang 261053, Shandong Province, China; 3Department of Rehabilitation, First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China; 4Institute of Translational Medicine, Shanghai Jiao Tong University, Shanghai 201100, China; 5Department of Rehabilitation Medicine, 6Department of Orthopedic Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China

  • Received:2023-08-23 Accepted:2023-10-30 Online:2024-12-28 Published:2024-02-27

  • Contact: Wang Jinwu, MD, Professor, Chief physician, Department of Orthopedic Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China

  • About author:Hou Yutong, School of Rehabilitation Medicine, Weifang Medical University, Weifang 261053, Shandong Province, China Huang Chenglan, School of Rehabilitation Medicine, Weifang Medical University, Weifang 261053, Shandong Province, China

  • Supported by:

    National Key Research & Development Program of China, No. 2020YFC2008700 (to YWQ); Clinical Research Project of Multi-Disciplinary Team of Shanghai Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, No. 201914 (to WJW); National Facility for Translational Medicine (Shanghai) Open Project Fund, No. TMSK-2021-140 (to WJW); Project of Shanghai Science and Technology Commission, No. 22015820100 (to WJW); Guizhou Science and Technology Support Plan, No. [2023]196 (to WJW)


Abstract: BACKGROUND: The study of the lumbar spine and pelvis in patients with Lenke type 5 lordosis is limited to the coronal and sagittal planes, and the three-dimensional relationship between the scoliosis and the pelvis has not yet been clarified.
OBJECTIVE: To analyze the effect of lumbar scoliosis on the pelvis in patients with Lenke type 5 lordosis and to study the correlation between the lumbar spine and the three-dimensional spatial position of the pelvis.
METHODS: Imaging data of 60 patients with Lenke type 5 lordosis scoliosis admitted to the 3D Printing Reception Center of Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine from January 2019 to September 2023 were retrospectively analyzed, including Cobb angle, coronal pelvic tilt, lumbar lordosis, left and right pelvic hip width ratio (sacroiliac-anterior superior iliac spine), spinal rotation angle, pelvic tilt, sacral slope, pelvic incidence, coronal deformity angular ratio, sagittal deformity angular ratio, C7 plumb line-center sacral vertical line, apical vertebral translation, and coronal sacral inclination. The information was summarized as a database. SPSS 22.0 software was used to analyze the data related to the lumbar spine and pelvis of the patients with Lenke type 5 primary lumbar curvature adolescent idiopathic scoliosis using Spearman’s correlation analysis and linear regression.
RESULTS AND CONCLUSION: (1) Cobb angle was highly positively correlated with coronal deformity angular ratio, apical vertebral translation, and spinal rotation angle (r=0.91, r=0.841, r=0.736). (2) Coronal deformity angular ratio was highly positively correlated with apical vertebral translation (r=0.737), moderately positively correlated with C7 plumb line-center sacral vertical line (r=0.514), and moderately negatively correlated with sagittal deformity angular ratio (r=-0.595). (3) There was a high positive correlation between lumbar lordosis and sagittal deformity angular ratio (r=0.942) and a moderate negative correlation with coronal deformity angular ratio (r=-0.554). (4) There was a moderate positive correlation between Cobb angle with coronal pelvic tilt and coronal sacral inclination (r=0.522, r=0.534) and a moderate positive correlation between C7 plumb line-center sacral vertical line and coronal pelvic tilt (r=0.507). Apical vertebral translation with coronal pelvic tilt and coronal sacral inclination showed a moderate positive correlation (r=0.507, r=0.506). Lumbar lordosis with sacral slope and pelvic incidence showed a moderate positive correlation (r=0.512, r=0.538). Sagittal deformity angular ratio was moderately positively correlated with sacral slope and pelvic incidence (r=0.614, r=0.621). (5) Studies have found that the relative position of the lumbar spine and the pelvis is closely related in the horizontal, sagittal and coronal planes. When the lumbar spine affects scoliosis and is rotated, the relative position of the pelvis will also change to compensate, which indicates that while correcting scoliosis, the correction of the pelvis cannot be ignored.

Key words: adolescent idiopathic scoliosis, Lenke type 5, lumbar spine, pelvis, three-dimensional evaluation, correlation


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