Spine
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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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Retrospective analysis of 1328 spinal radiographs of 57 patients after vertical expandable prosthetic titanium rib (VEPTR) implantation with an average follow-up of 30 months. ⋯ 3.
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In vitro biomechanical study. ⋯ Successive increases in immobilization were observed from Vista Collar to Vista Multipost Collar, Vista TS, and Vista TS4 in extension at the injured middle cervical spine and in flexion at the injured lower cervical spine. Our results may assist clinicians in selecting the most appropriate orthosis based upon patient-specific cervical spine injuries.
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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.