Spine
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Biomechanical in vitro laboratory study. ⋯ Constrained dual-screw fixation characteristics in modern AISF implants can improve resistance to cyclic loading and pullout forces. DC constructs bear the potential to reduce the mechanical shortcomings of AISF.
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Animal experimental study. ⋯ The NP voxel count proved to be a valid parameter to assess disc degeneration quantitatively in a needle puncture model. The mean NP T2-RT does not change significantly in needle-puncture-induced degenerated IVDs. IVDs can be segmented into different tissue components according to their innate T2-RT.
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Retrospective study of surgically treated patients with adolescent idiopathic scoliosis. ⋯ 4.