Age-related changes in cervical sagittal alignment: based on 625 Chinese asymptomatic subjects

Wang, Zheng; Liu, Xu; Hu, Xiaoping; Cui, Peng; Wang, Wei; Kong, Chao; Lu, Shibao

doi:10.1007/s00586-023-07632-5

Cited by 3 publications

(3 citation statements)

References 29 publications

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“…The incidence of adolescent idiopathic scoliosis is significantly higher in females than in males [6], so we analyzed the effect of gender on sagittal sequences in asymptomatic Chinese children. We found significant sexual differences in the three parameters, which are PT, LL, and TK.…”

Section: Discussionmentioning

confidence: 99%

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Normal spinopelvic parameters and correlation analysis in 217 asymptomatic children

Qi,

Zhao,

Gao

et al. 2024

Eur Spine J

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Background Understanding spinal sagittal balance is crucial for assessing and treating spinal deformities in pediatric populations. Objective The aim of the present observational study is to examine the parameters of sagittal alignment of the regional spine and spinopelvic region in asymptomatic pediatric populations and the characteristics of these parameters with age and sex. Methods We enrolled 217 participants, consisting of 112 males (51.6%) and 105 females (48.4%), aged between 4 and 15 years, with an average age of 12.19 years. Pelvic incidence, pelvic tilt, sacral slope, lumbar lordosis, thoracic kyphosis, T1 slope, C7 slope, cervical sagittal vertical axis, and C2–7 Cobb angle were measured. Three spine surgeons conducted radiographic measurements utilizing the PACS software. The measurement reliability was assessed through ICCs. Results Our results show significant age-related changes in pelvic tilt and cervical sagittal vertical axis, with notable gender differences in pelvic tilt, lumbar lordosis, and thoracic kyphosis. Girls have larger PT, boys have larger cSVA. PI, PT, and cSVA also differ among different age groups. Correlation analysis shows that a series of relationships that align with adult population patterns between pelvic incidence, pelvic tilt, sacral slope, lumbar lordosis, and thoracic kyphosis. Conclusion Significant variations in PT and cSVA across diverse age cohorts highlights notable disparities in the distribution of PT and cSVA values within the pediatric population. Gender-based differences in PT, LL, and TK and correlation in spinopelvic parameter could enhances our understanding of compensatory mechanisms.

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Section: Discussionmentioning

confidence: 99%

“…The sagittal alignment of the spine and pelvis in children differs from that in adults. Sagittal alignment patterns also change with age [6]. The aim of the surgical procedure is to make the maximal correction on the coronal and transverse planes and to restore the physiological curves on the sagittal plane.…”

Section: Introductionmentioning

confidence: 99%

Normal spinopelvic parameters and correlation analysis in 217 asymptomatic children

Qi,

Zhao,

Gao

et al. 2024

Eur Spine J

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“…[17,18] A study showed that the pelvic parameters as the important assessing index could re ect pelvic morphology and the pelvic-spinal system was a crucial factor affecting scoliosis. [19] As an important component of pelvic structure, the coccyx may have an impact on the progression of spinal scoliosis. The present study showed that the proportion of Type I was signi cantly higher in normal children than in AIS patients, while the proportion of Type II and III were signi cantly higher in AIS patients.…”

Section: Comparison Of Coccygeal Morphology Between Male and Female I...mentioning

confidence: 99%

Imaging study of coccygeal morphology in adolescent idiopathic scoliosis

Zhang

Guo

et al. 2023

Preprint

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Objective To observe the coccygeal morphology in adolescent idiopathic scoliosis (AIS) and the differences among different types of scoliosis. Methods A retrospective analysis was performed on 268 patients who received full-length anteroposterior and lateral spine radiographs in the third affiliated hospital of Zhejiang Chinese Medical University from January 2018 to December 2022. They were divided into normal group with 135 cases and AIS group with 133 cases. Postacchini coccygeal radiological classification method modified by Nathan was used to observe and compare the sagittal plane coccygeal morphology in the two groups. The correlations between coccygeal morphology in sagittal plane and gender, scoliosis severity, scoliotic segments were analyzed too. Results There were the highest percentage (50.4%) of Type I and the lowest (5.2%) proportion of Type V in normal group and the highest percentage (33.1%) of Type I and the lowest (2.2%) proportion of Type V in AIS group. The difference in coccygeal morphology was significant between normal group and AIS group (P = 0.006). There were no significant differences in coccygeal morphology between mild and moderate scoliosis (P = 0.489), between male and female (P = 0.812 in normal group, P = 0.287 in AIS group), or among thoracic, thoracolumbar and lumbar scoliosis (P = 0.129). There was a significant correlation between coccygeal morphology and scoliosis (P = 0.049). Conclusions Coccygeal morphology in mild and moderate AIS patients is significantly different from that in normal adolescents. The proportion of coccygeal type I is significantly higher in normal children than in AIS patients, while the proportion of coccygeal type II and type III is significantly lower in normal children. There were some differences in coccygeal morphology between mild and moderate scoliosis, and among different segmental scoliosis, but they were not significant. There was a significant correlation between coccygeal morphology and scoliosis, but the correlations between coccygeal morphology and gender, scoliosis severity, scoliotic segments were non-significant.

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Risk Factors for Postoperative Loss of Lordosis, Cervical Kyphosis, and Sagittal Imbalance After Cervical Laminoplasty

Lee,

Park,

Cho

et al. 2023

World Neurosurgery

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Age-related changes in cervical sagittal alignment: based on 625 Chinese asymptomatic subjects

Cited by 3 publications

References 29 publications

Normal spinopelvic parameters and correlation analysis in 217 asymptomatic children

Normal spinopelvic parameters and correlation analysis in 217 asymptomatic children

Imaging study of coccygeal morphology in adolescent idiopathic scoliosis

Risk Factors for Postoperative Loss of Lordosis, Cervical Kyphosis, and Sagittal Imbalance After Cervical Laminoplasty

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