Spine
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A case-control association study. ⋯ Genetic variants of CHD7 were significantly associated with AIS. Moreover, the decreased expression of CHD7 may be involved in the abnormal bone mass of AIS patients. Further studies are warranted to investigate the functional role of CHD7 in the pathogenesis of AIS.Level of Evidence: 3.
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The authors developed a mathematical model to the sagittal vertical axis (SVA) change in ankylosing spondylitis whom PSO is planned. The mathematical model was developed using trigonometric equations. No significant difference exists between postop SVA change amount and SVA calculated. The mathematical model is reliable in restoring the global sagittal balance.
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Retrospective analysis of prospectively collected registry data. ⋯ A 30% reduction from baseline is a valid method for determining MCID in disability and pain for patients undergoing cervical spine surgery.Level of Evidence: 3.
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Due to its complicated legal status, the effects of cannabis on elective spine surgery patients have not been well studied. In this nationwide analysis, we find that cannabis abuse is associated with higher perioperative thromboembolism and neurologic complications, respiratory complications, sepsis, length of stay, hospital charges, and rates of unfavorable discharge disposition.