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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We estimated the annual changes in radiographic indices of the spine in cerebral palsy (CP) patients and analyzed the factors that influence its progression rate. ⋯ The scoliosis Cobb angle, thoracic kyphosis angle, and apical vertebral translation in the GMFCS level IV-V CP patients progressed with age. These findings can predict radiographic progression of scoliosis in CP patients.
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Iatrogenic injuries to paraspinal muscles during the posterior lumbar surgery (PLS) cause a reduction in their cross-sectional areas (CSAs) and contractile densities over time post-surgery. This study aims to quantify such alterations. ⋯ The total CSA of ES at lower lumbar levels shows substantial noncontractile contents in both healthy and patient populations. Biomechanical models of the spine should hence account for the noncontractile contents using only the effective contractile muscle CSAs. Postoperative variations in CSAs of paraspinal muscles may have profound effects on patterns of muscle activities, spinal loading, and stability.
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Though rare, intracranial complications have been reported as a result from spinal surgery. Most if not all of these are a result of intracranial hypotension from durotomy and cerebrospinal fluid (CSF) leak. We aimed to characterize these complications across a large postoperative population at our institution. ⋯ Intracranial complications from spinal surgery are a rare event. We demonstrate an incidence of 0.4% of total intracranial pathology after spinal surgery. A strong clinical suspicion must be maintained after durotomy or CSF leak due to these infrequent but potentially life-threatening complications.
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Current solutions for navigated spine surgery remain hampered by restrictions in surgical workflow as well as a limited versatility and applicability. Against this background, we report the first experience of navigated spinal instrumentation with the mobile AIRO(®) intraoperative computed tomography (iCT) scanner. ⋯ The AIRO(®) system is an easy-to-use and versatile iCT for navigated spinal instrumentation and provides high pedicle screw accuracy rates. Although the authors' experience suggests that the learning curve associated with AIRO(®)-based spinal navigation is steep, a systematic user-based approach to the technology is required.
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Significant progress has been seen in the field of spine in recent years as a consequence of worldwide contributions. However, the national productivity to the field of spine is still unclear. The aim of this study was to investigate the national contributions in the field of spine. ⋯ The majority of the spine articles are published by authors from high-income countries while few publications from low-income countries. The United States is the most productive country in the field of spine. However, some European countries may be more productive when normalized to population size.