Spine
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A retrospective study. ⋯ 3.
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Sagittal balance is an important concept in spinal coronal and kyphotic deformity correction. Sagittal alignment/lumbar lordosis is increasingly recognized and discussed in terms of surgical outcomes. ⋯ This concept is no longer associated only with deformity. Spine surgeons have learned that sagittal alignment/lumbar lordosis is very important even in 1-level or 2-level interbody fusion procedures, and that it can be attained, maintained, or lost during any procedure, resulting in complications.
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A computed tomography study. ⋯ 3.
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A finite element analysis. ⋯ N/A.
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Retrospective administrative database analysis. ⋯ 3.