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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Restitution of sagittal balance is important after lumbar fusion, because it improves fusion rate and may reduce the rate of adjacent segment disease. The purpose of the present study was to describe the impact of transforaminal lumbar interbody fusion (TLIF) procedures on pelvic and spinal parameters and sagittal balance. ⋯ Single-level circumferential fusion helps patients reducing their pelvic compensation, but the amount of correction does not allow for complete correction of sagittal imbalance.
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Spinal stab wound injuries are quite rare and only few patients have been reported on the basis of MRI scan. ⋯ MRI gives the most detailed view of soft tissue lesions in SSWs and is in accordance with our intraoperative findings.
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Although pedicle screw fixation has been increasingly used in the upper thoracic spine in recent years, controversies exist about the safety and complications such as nerve or vascular intrusion associated with the technique. In this study, an alternative method of transarticular screw fixation was validated. ⋯ The morphometric data of C7-T3 zygapophysial joints indicate the suitable screw diameter and screw length for this technique. Transarticular screw fixation proved to be a potentially safe alternative to pedicle screw fixation in this region.
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We hypothesized that L5-S1 kinematics will not be affected by the lordosis distribution between the prosthesis endplates. ⋯ Further clinical and biomechanical studies are needed to assess the long-term impact of lordosis angle distribution on the fate of the facet joints.
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Case Reports
Subacute steroid-induced paraparesis: surgical treatment of a devastating "invisible" side effect.
To emphasize an underestimated side effect following long-term use of steroids. ⋯ Diagnostic work-up of such patients should include early spinal MRI resulting in surgical intervention, if indicated. Decompression of the spinal cord eventually combined with fusion is necessary.