European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
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The main treatment for congenital scoliosis is posterior hemivertebra resection with bilateral transpedicular fixation. Reports describing posterior unilateral intervertebral fusion and transpedicular screw fixation are rare, with no long-term follow-up results, especially in older children. Retrospective analysis of the long-term outcomes of unilateral fusion and fixation after hemivertebra resection for congenital scoliosis. ⋯ Unilateral transpedicular screw fixation provides satisfactory correction of the spinal deformity in both very young and older children. Unilateral intervertebral fusion and transpedicular fixation represents an advisable alternative method for the correction of congenital scoliosis and has advantages of reduced trauma, less surgery time and lower expense. Furthermore, the non-fused concave side offers the opportunity for correction of subsequent spine deformity.
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The pathogenesis of adolescent idiopathic scoliosis (AIS) remains poorly understood. To date, potentially involved local changes in the deep paraspinal muscles still remain unknown. ⋯ Our findings demonstrate significant changes of muscle fiber redistribution in the paraspinal muscles of AIS with increased proportion of type I on the convexity corresponding to a significantly higher amplitude of MUPs on the same side. A possible explanation of this alteration is a secondary adaptation due to chronic high load demand.
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To study the predictors of postoperative aggravation of shoulder imbalance in severe and rigid thoracic or thoracolumbar scoliosis. ⋯ Several radiographic parameters were found to affect postoperative aggravation of RSH and T1 tilt. In particular, preoperative RSH and T1 tilt were found to be independent predictive factors of postoperative aggravation of RSH and T1 tilt, respectively.
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To evaluate clinical and radiological outcomes of growing rod (GR) in the management of Early Onset Scoliosis (EOS) with intraspinal anomalies. ⋯ Level 4 (case series).
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Comparative Study
Accurate prediction of height loss in adolescent idiopathic scoliosis: Cobb angle alone is insufficient.
Spinal height loss due to scoliosis was mostly calculated by equations with Cobb angle as the unique independent variable in adolescent idiopathic scoliosis (AIS), with their accuracy being seriously doubted. The purpose of this study was to compare and correlate the measured loss in spinal height (ΔSHm) with the calculated loss in spinal height (ΔSHc), and to identify the key factors associated with height loss in AIS. ⋯ Previous height correction equations employing Cobb angle as the unique independent variable are inaccurate. Cobb angle, curve length, curve inclination, and number of vertebrae within the curve are all strong determinants responsible for the height loss in AIS.