Articles: low-back-pain.
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Lumbar provocation discography is an invasive diagnostic procedure to identify pain originating from within the lumbar discs. Specific morphological changes within the disc, classified as radial fissures, can be imaged following the injection of radiopaque contrast into the nucleus pulposus. The reproduction of concordant low back and/or referred somatic pain to the lower extremity under controlled conditions and the demonstration of annular radial tears are part of a spectrum of internal disc disruption that is separate from disc degeneration. A review of the validity and technique of lumbar discography as well as recently described causes of false positive responses are presented.
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Arch Phys Med Rehabil · Apr 2005
Raised paraspinal muscle activity reduces rate of stature recovery after loaded exercise in individuals with chronic low back pain.
To further the understanding of stature recovery in subjects with and without chronic low back pain (CLBP) and to determine the relations among stature recovery, paraspinal muscle activity, and perceived pain and disability. ⋯ The elevated paraspinal muscle activity exhibited by the CLBP group increased compression on the intervertebral disks and diminished their ability to recover the height lost through loaded exercise. Further research is required to establish whether a change in paraspinal muscle activity is associated with corresponding changes in stature recovery, and if this has any clinical implications by reducing pain and disability.
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Enthesopathies are a common cause of axial pain that is amenable to "minimally invasive" therapy. ⋯ Injection therapy of painful enthesopathies can provide significant relief of axial pain and tenderness combined with functional improvement, even in "failed back syndrome" patients. Phenol-glycerol prolotherapy provides better and longer lasting relief than injection with anesthetics alone. Prolotherapy provides over six months of relief for some patients but generally provides relief for only a few months. However, most patients described good to excellent relief, felt that the injections had been beneficial, and requested additional injections for recurrent or residual focal pain.
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The Pain Attitudes and Beliefs Scale for Physiotherapists (PABS-PT) differentiates between a biomedical versus a biopsychosocial treatment orientation with regard to common low back pain. This study re-examined the factor structure and psychometric properties of the PABS-PT, along with the relationship between PABS-PT scores and the perceived harmfulness of physical activities and treatment recommendations for common low back pain. ⋯ Furthermore, scores on both factors of the PABS-PT were related to measures of related concepts (statistically significant Pearson correlation coefficients between 0.30 and 0.65) such as the HC-PAIRS and a therapist version of the TSK. Regression analyses revealed that both factors were consistent predictors of judgements of the harmfulness of physical activities (PHODA) and of recommendations for return to work and normal activity.
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Multicenter Study Comparative Study Clinical Trial
Long-term tolerability of tramadol LP, a new once-daily formulation, in patients with osteoarthritis or low back pain.
Tramadol hydrochloride is a centrally acting analgesic, which possesses opioid agonist properties and activates monoaminergic spinal inhibition of pain. An oral, once a day, sustained release formulation of tramadol is thought to be advantageous compared with immediate release preparations as it prevents plasma peaks associated with increased side-effects of the drug. It may also improve compliance. The purpose of the study was to assess the long-term safety of a new sustained-release formulation of tramadol (tramadol LP) in patients with knee or hip osteoarthritis and in patients with refractory low back pain. ⋯ Long-term treatment with tramadol LP once daily is generally safe in patients with osteoarthritis or refractory low back pain.