Spine
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This is a prospective study. ⋯ 2.
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Cross-sectional cohort study. ⋯ The sedimentation sign is more prevalent in patients with the clinical diagnosis of central or combined LSS than in patients with lateral stenosis only or posterolateral disc herniation. Yet, whether it enhances current diagnostic practices remains undetermined.
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Retrospective study of a series of 226 consecutive Chinese patients with congenital scoliosis. ⋯ 3.
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Biomechanical in vitro study. ⋯ We established a human herniation model that reliably produced nucleus extrusion during cyclic loading by selecting specimens with low disc degeneration. The Barricaid seems to prevent nucleus from reherniating. The reliability of this method suggests the opportunity to investigate other anulus closure devices and nucleus replacement techniques critically.
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Animal experimental study. ⋯ 2.