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 aim of this study was to evaluate the performance and safety of a new hernia blocking system (HBS), implanted after a limited discectomy, to prevent recurrence of lumbar disc herniation. ⋯ The implantation of an HBS is a feasible and safe procedure that prevents early disc herniation recurrence in patients at high risk of reherniation.
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To evaluate the modified vertebral bone quality (VBQ) method on the magnetic resonance imaging (MRI) T1-weighted (T1w), T2-weighted (T2w), and fat suppression (FS) series in evaluating bone mineral density (BMD) for patients with degenerative lumbar disease. ⋯ Compared to the traditional VBQ score, T2 VBQCSF is a more promising tool for distinguishing poor bone quality in patients with degenerative lumbar disease. A T2 VBQCSF score > 0.607 can identify patients who require additional diagnostic evaluation.
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The letter responds to a study on the role of erector spinae muscle quality in surgical decision-making for lumbar spondylolisthesis. It highlights the potential of paraspinal muscle fatty infiltration as a predictive factor, suggesting that early rehabilitation targeting these muscles may reduce the need for surgery. The authors propose improvements for future research, such as using advanced MRI techniques for better fat infiltration assessment, controlling patient activity levels, and incorporating multidimensional imaging analyses with machine learning. These advancements could support more personalized treatment strategies for lumbar spondylolisthesis.
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The SORG-MLA was developed to predict 90-day and 1-year postoperative survival in patients with spinal metastatic disease who underwent surgery between 2000 and 2016. Due to the constant changes in treatment methods, it is essential to perform temporal validation with a recent patient population. Therefore, the purpose of this study was to validate the Skeletal Oncology Research Group machine learning algorithms (SORG-MLA) using a contemporary patient cohort. ⋯ In spite of recent progress in treating spinal metastases, SORG-MLA for survival in patients with spinal metastatic disease continued to perform well on temporal validation. However, updating the models using a contemporary patient cohort and stratifying by primary tumor could further improve the performance.
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To assess the benefits of using the touched vertebra (TV) rule in Lenke classification for thoracic curves of adolescent idiopathic scoliosis (AIS). ⋯ Selecting the TV as LIV minimizes the loss of the distal mobile segment and reduces the complications in the thoracic curves of AIS, which produces a more stable LIV on the CSVL. Therefore, TV is an ideal landmark for determining the distal fusion level using the Lenke classification or Suk classification.