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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To analyse the incidence and risk factors associated with proximal junctional kyphosis (PJK) following spinal fusion, we collect relative statistics from the articles on PJK and perform a meta-analysis. ⋯ The results of our meta-analysis suggest that age at surgery >55 years, fusion to S1, T5-T12 >40°, low BMD and SVA difference >5 cm are risk factors for PJK. However, gender, combined anterior-posterior surgery, use of pedicle screw at top of construct, hybrid instrumentation and thoracoplasty are not associated with PJK.
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To evaluate the efficacy of single-stage posterior vertebral column resection for old thoracolumbar fracture-dislocations with spinal cord injury. ⋯ IV.
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Spinal surgery for adult spinal deformity (ASD) may require the use of osteotomies, which may have high complication rates (up to 80 %). These may be expected to affect health-related quality of life (HRQOL) in the early postoperative phase but little is known about the clinical course of these patients in the first year following surgery. The aim of the study is to evaluate the radiological results and HRQOL in patients undergoing a spinal osteotomy for ASD within the first year following surgery with special reference to the effect of complications. ⋯ Osteotomies were moderately effective in radiological improvement but resulted in a significant increase in HRQOL. They were associated with a high rate of complications but these had no/minimal effect on the clinical outcome. Contrary to the general perception, the greatest improvements in HRQOL were seen to take place during the first 6 months after surgery, even in the presence of complications.
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Most morphometric studies on lumbar degenerative spondylolisthesis (DS) have focused solely on the L4-L5 slipped level, neglecting the shape of the entire lumbar segments. The purpose of this study was to present a morphometric analysis of the entire lumbar IVDs and VBs in DS. ⋯ Individuals with DS have a more generalized degenerative disc disease on all lumbar vertebral levels, characterized by decreased disc space heights and kyphotic posture of the upper lumbar segments, occurring more predominantly in females than in males with DS.