Spine
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Comparative Study
Cross-cultural adaptation and validation of the Brazilian Portuguese version of the Neck Disability Index and Neck Pain and Disability Scale.
This study's design was a cross-cultural validation of the Neck Disability Index and Neck Pain and Disability Scale. ⋯ A reliable and valid Portuguese version of the Neck Disability Index and Neck Pain and DisabilityScale was developed, which will facilitate the examination of functional performance within a large patient population, as well as cross-cultural comparisons.
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Prospective cohort study. ⋯ Poor overall physical function and depression symptomatology are associated with LBP and consequences of LBP in persons 70 years of age and older.
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Randomized Controlled Trial
Natural course of disc morphology in patients with sciatica: an MRI study using a standardized qualitative classification system.
A prospective observational study of patients with sciatica. ⋯ This classification system could be used to identify the majority of symptomatic disc levels. At 14 months, the MRI outcome was generally good for disc herniations and nerve root compromise. Nerve root compromise had the best MRI prognosis if the disc was extruded at baseline. There were significant differences between men and women in relation to baseline findings as well as in relation to development of MRI findings over time.
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Randomized Controlled Trial
Contrast flow characteristics in the cervical epidural space: an analysis of cervical epidurograms.
A single-center prospective analysis of cervical epidurograms, using a crossover design. ⋯ In cervical epidural steroid injections performed in the midline at C6-C7 and C7-T1, the contrast consistently covers the dorsal cervical epidural space bilaterally, irrespective of the volume used or neck flexion angle used. This suggests that solutions introduced here would cover the dorsal cervical epidural space. This questions the utility of performing potentially more dangerous injections at higher cervical levels or more invasive procedures, such as the use of epidural catheters.