Spine
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Randomized Controlled Trial Multicenter Study Comparative Study
Cement directed kyphoplasty reduces cement leakage as compared with vertebroplasty: results of a controlled, randomized trial.
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Randomized Controlled Trial Multicenter Study
Outcomes of usual chiropractic. The OUCH randomized controlled trial of adverse events.
Blinded parallel-group randomized controlled trial. ⋯ 2.
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Multicenter, prospective, consecutive series. ⋯ 3.
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Multicenter Study
Identification of decision criteria for revision surgery among patients with proximal junctional failure after surgical treatment of spinal deformity.
Multicenter, retrospective, consecutive case series. ⋯ The decision to perform revision surgery is complicated and varies by surgeon. Factors that seem to influence this decision include traumatic etiology of PJF, severity of proximal junctional kyphosis angulation, higher SVA, and female sex. Factors that were expected to influence revision but had no statistical effect included soft tissue versus bony mode of failure, age, levels fused, and upper thoracic versus thoracolumbar proximal junction.