Spine
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Randomized Controlled Trial
Correlation of measures of pain, function, and overall response: results pooled from two identical studies of etoricoxib in chronic low back pain.
Assessment of correlation of measures of low back pain (LBP) using data pooled from 2 identical studies. ⋯ In this study, the RMDQ, LBPI VAS, and PGART showed a high degree of correlation in measuring response to therapy in LBP, suggesting clinicians may be able to simplify assessments.
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Randomized Controlled Trial
Anterior cervical fusion with tantalum implant: a prospective randomized controlled study.
A prospective randomized controlled study was carried out. ⋯ The efficacy to achieve fusion after 1-level anterior cervical discectomy, with a good radiologic and clinical outcome, using tantalum implant is equivalent to that of autologous graft and anterior plate, being safer as avoids donor-site graft harvesting and plating complications.
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Randomized Controlled Trial
Effect of intervertebral disc height on postoperative motion and outcomes after ProDisc-L lumbar disc replacement.
Retrospective study of patients enrolled in prospective randomized Food and Drug Administration trial. ⋯ Patients with greater disc collapse benefit more in ROM from a total disc replacement. The optimal range to maximize ROM for postoperative anterior disc height is 16 mm to 18 mm. This optimal range did not translate into better clinical outcome at 2 years follow-up.
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A prospective cohort study in adolescents. ⋯ Regular smoking in adolescence was associated with LBP in young adults. Pack-years of smoking showed an exposure-response relationship among girls.
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A retrospective study. ⋯ The impact of ASD on clinical outcome after fusion showed a significant correlation, especially with the ASD after multiple-segments fusion. Careful attention is needed in multiple-segments fusion such as degenerative lumbar deformity.