Spine
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Systematic review. ⋯ The challenges faced in preventing proximal junctional complications are mired in the heterogenous groundwork by which PJK and PJF are defined. Most definitions of PJK use radiographic thresholds without consideration of clinical relevance and variations in individual alignment. Conversely, definitions of PJF are based on clinical criteria, which are often subjective. Future research should focus on understanding the mechanisms of PJK/PJF, as only then will we be able to accurately define and prevent these complications.
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Cohort study. ⋯ Overall, there were 37 (33.3%) patients with CP who had a major complication within 30 days after spinal surgery. Lower SAS, with the 0-4 group being the cutoff, were associated with significantly higher complication rates than higher SAS groups.
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Multi-Ethnic Alignment Normative Study (MEANS) cohort: prospective, cross-sectional, multicenter. ⋯ 3.