Spine
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Multicenter Study Comparative Study
Effect of spinal deformity on adolescent quality of life: comparison of operative scheuermann kyphosis, adolescent idiopathic scoliosis, and normal controls.
A prospective multicenter study and retrospective chart review. ⋯ 1.
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An association study to comprehensively clarify variations of genetic determinants of peak height velocity (PHV) during puberty in adolescent idiopathic scoliosis (AIS). ⋯ Polymorphisms of the rs4794665 in C17orf67 and rs12459350 in DOT1L were associated with combined predisposition to AIS susceptibility and higher pubertal PHV, which strongly mirrored the anthropometric findings of taller pubertal stature and accelerated growth rate described in AIS.
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Comparative Study
Use of recombinant human bone morphogenetic protein-2 with local bone graft instead of iliac crest bone graft in posterolateral lumbar spine arthrodesis.
Prospective clinical study. ⋯ 4.
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Multicenter Study
Predictive factors for a poor surgical outcome with thoracic ossification of the ligamentum flavum by multivariate analysis: a multicenter study.
Retrospective multi-institutional study. ⋯ 3.
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Randomized Controlled Trial Multicenter Study Comparative Study
A randomized trial of balloon kyphoplasty and nonsurgical management for treating acute vertebral compression fractures: vertebral body kyphosis correction and surgical parameters.
Multicenter randomized controlled trial. ⋯ 2.