Spine
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Retrospective database analysis. ⋯ 4.
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This is a quantitative study of heparanase isoforms expression in degenerative and nondegenerative intervertebral discs (IVDs). ⋯ The overexpression of HPSE1 and HPSE2 in the intervertebral degenerated discs suggests a role for these factors in mediating extracellular matrix remodeling in degenerative discs during disease development.
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A case report. ⋯ Increased frequency and severity of respiratory tract infections, difficulty in expelling mucus and dyspnea are warning signs of compromised airways. Spirometry tests and image tests such as computed axial tomography and bronchoscopy are essential for diagnosis. Surgical approach may be the treatment of choice.
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Retrospective national database analysis. ⋯ 4.
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The pretension of the Dynesys cord was varied to evaluate its effects on both tissue responses and screw-spacer behaviors by the finite-element method. ⋯ 4.