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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Pelvic incidence (PI) is a key morphological parameter that reflects the relation between the sacrum and iliac wings. It is well accepted that PI remains constant after reaching maturity. However, recent studies indicated that PI might be altered after lumbosacral fusion. Additionally, it remains uncertain on the long-term influence of long fusion to pelvis with S2-alar-iliac screw on PI in patients with adult spinal deformity (ASD). ⋯ Our study showed that PI decreased in more than half of ASD patients immediately after spinal surgery using S2AI screws. Approximately 48% of them were able to recover during the 2-year follow-up. Lower pre-op PI, post-op PI and PT were found to be strongly associated with the return of PI. Thus, these current findings indicated that patients with a high PI at pre-operation should not be over-corrected to avoid PI-LL mismatch postoperatively.
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Transcranial electrical stimulation motor-evoked potentials (TES-MEPs) are an intraoperative neurophysiologic monitoring method that reduces adverse outcomes in various spine surgeries. Although spine surgeons rarely use TES-MEPs for simple lumbar decompression surgery, we herein firstly report the efficacy of TES-MEPs for lumbar spinal canal stenosis with asymptomatic coexisting cervical canal stenosis. ⋯ While TES-MEPs can be used to prevent neurological deficits in lumbar spine surgery, it can also be used to indirectly monitor other spinal lesions. Based on our experience, we recommend using TES-MEPs even in lumbar spine surgery.
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A single-centre retrospective study. ⋯ IV.
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C1 pedicle screw technique showed further advantages since it avoids the negative results from the sacrificed range of motion of the atlantooccipital joint compared to the occipitocervical fusion. However, some intractable complications are unavoidable. In the pediatric population, dysphagia after the atlantoaxial fixation can be accidentally serious. We aimed to determine the incidence of dysphagia in the pediatric population's cohort and its radiological predictor. ⋯ Diagnostic: individual cross-sectional studies with consistently applied reference standard and blinding.
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Vertebral artery occlusion (VAO) is an increasingly recognized complication of cervical spine trauma. However, the management strategy of VAO remains heavily debated. Therefore, the aim of this retrospective study was to investigate the safety of early fusion surgery for traumatic VAO. ⋯ Despite the lack of a concurrent control group with preoperative antiplatelet therapy or endovascular embolization for VAO, our results showed low symptomatic stroke rate (4.5%), high recanalization rate (40.9%), and low mortality rate (0%). Therefore, we believe that the indication for early stabilization surgery as management strategy of asymptomatic VAO might be one of the safe and effective treatment options for prevention of symptomatic cerebral infarction.