Spine
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Comparative Study
Responsiveness of pain, disability, and physical impairment outcomes in patients with low back pain.
Cohort study. ⋯ Physical impairments are routinely measured in clinical practice and clinical research, but the lower responsiveness indicates that this approach is not optimal. Our findings suggest that more emphasis should be placed on change in pain and disability scores than on change in physical impairments.
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Retrospective case series. ⋯ Both spine and upper thoracic transverse plane trunk deformity significantly influenced preoperative idiopathic scoliosis patients' perception of function and self-image, but not pain or mental health. However, in spite of a fairly rigorous standard of proof, P < or = 0.01, the significant r values ranged from -0.33 to -0.68, suggesting that there are factors other than spine and trunk deformity influencing the idiopathic scoliosis patients' health-related quality of life questionnaire responses. Future studies are necessary to define these factors.
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Randomized Controlled Trial Clinical Trial
The use of intradiscal steroid therapy for lumbar spinal discogenic pain: a randomized controlled trial.
A prospective randomized study of the therapeutic effect of intradiscal steroid injection compared to a saline placebo. ⋯ This study demonstrates that intradiscal steroid injections do not improve the clinical outcome in patients with discogenic back pain compared with placebo.
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Observational prospective study. ⋯ The psychometric properties (test-retest reliability, construct validity, and responsiveness) of the French version of the Fear Avoidance Belief Questionnaire are acceptable, and fear, avoidance, and belief can now be assessed in French-speaking patients with low back pain.
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Comparative Study
Patterns and trends in opioid use among individuals with back pain in the United States.
Secondary analysis of Medical Expenditure Panel Survey from 1996 to 1999. ⋯ The variation in overall opioid use among individuals with back pain with different sociodemographic characteristics and from different geographic regions suggested an opportunity to improve opioid prescribing patterns. The increase in the use of hydrocodone and oxycodone indicated a need to better assess the efficacy and safety associated with these drugs among individuals with back pain.