Sagittal Profile Response of Cervical Spine After Posterior Correction in Thoracic and Lumbar Adolescent Idiopathic Scoliosis: Correlation with Thoracic Kyphosis?

World Neurosurgery
Peng YanHongda Bao

Abstract

To analyze postoperative changes in cervical alignment in patients with adolescent idiopathic scoliosis (AIS) with different curve patterns. Radiographic data were retrospectively reviewed in 43 patients with AIS with right thoracic major curve versus 39 with major lumbar curve with a minimum of 2 years' follow-up. Radiographic parameters analyzed in this study included cervical sagittal parameters (cervical lordosis [CL], T1 slope, T1 slope minus C2-C7 lordosis, T1-spine, T1 pelvic angle, and C2-C7 sagittal vertical axis) and spinopelvic sagittal parameters obtained from radiographs. Paired t tests were used for comparison with 0.05 as a statistically significant threshold. At baseline, larger CL (5.69° vs. -5.12°, P = 0.002) and smaller T1 slope minus C2-C7 lordosis (9.26° vs. 17.09°, P = 0.001) was noted in patients with lumbar-curve adolescent idiopathic scoliosis (L-AIS), whereas preoperative thoracic kyphosis (TK) was not different between the 2 groups. When the immediate postoperative sagittal profiles were compared between the 2 groups, larger TK (23.72° vs. 18.86°, P = 0.009) and more obvious CL (7.26° vs. -2.60°, P = 0.001) were noticed in the L-AIS group. During the follow-up, larger TK and CL were still maintained i...Continue Reading

Citations

Mar 31, 2021·Journal of Pediatric Orthopedics·Yonggang FanLei Xia
Jun 28, 2021·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Jean-Luc ClementVirginie Rampal

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