Preoperative and Postoperative Sagittal Alignment and Compensatory Mechanisms in Patients With Posttraumatic Thoracolumbar Deformities Who Undergo Corrective Surgeries

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Figure 1
The spinopelvic parameters measured in our study.
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Figure 2
The case of a patient who had a car accident, which resulted in a misdiagnosed type B fracture that progressed to a fixed kyphosis. (A) Computed tomography showing the kyphotic deformity. (B) Lateral full spine x ray showing an unbalanced spine with a +61 mm sagittal vertical axis.
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Figure 3
The case of a burst fracture initially treated with in situ fixation that evolved to local kyphosis. (A) Lateral full spine x ray before the correction of kyphosis; we observed severe negative imbalance (sagittal vertical axis [SVA] −80 mm, regional kyphosis [RK] 20°, and lumbar lordosis [LL] −70°). (B) Lateral full spine x ray after the correction of kyphosis, showing normalization of the spinal parameters (SVA +25 mm, RK 5°, and LL −50°).