Spine
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This study is a meta-analysis of prospective and retrospective studies identified in PubMed, Web of Science, and Embase with outcomes of patients who received intraoperative somatosensory-evoked potential (SSEP) monitoring during lumbar spine surgery. ⋯ SSEP changes during lumbar spine surgery are highly specific but moderately sensitive for new postoperative neurological deficits. Patients who had postoperative neurological deficit were 22 times more likely to have exhibited intraoperative SSEP changes.Level of Evidence: 2.
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Secondary analysis of a national all-payer database. ⋯ The present study demonstrates substantial disparities in the receipt of nonelective surgery across sociodemographic groups and highlights its association with nonroutine discharge and extended LOS.Level of Evidence: 3.
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A biomechanical comparison study using finite element method. ⋯ Under static and vibration loadings, the PBDSSbased topping-off device (Bioflex) provided a better protection for transition segment, and likelihood of degeneration of supraadjacent segment might be relatively lower when using the ISPbased topping-off device (DIAM).Level of Evidence: 5.