Articles: low-back-pain.
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Arch Phys Med Rehabil · Aug 2007
Multicenter StudyGreater trochanteric pain syndrome: epidemiology and associated factors.
To describe the prevalence of greater trochanteric pain syndrome (GTPS); to determine whether GTPS is associated with iliotibial band (ITB) tenderness, knee osteoarthritis (OA), body mass index (BMI), or low back pain (LBP); and to assess whether GTPS is associated with reduced hip internal rotation, physical activity, and mobility. ⋯ The higher prevalence of GTPS in women and in adults with ITB pain or knee OA indicates that altered lower-limb biomechanics may be related to GTPS. Slower functional performance in those with GTPS suggests that the study of targeted rehabilitation may be useful. A longitudinal study will be necessary to identify causal factors and outcomes of interventions.
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For years, physical deconditioning has been thought to be both a cause and a result of back pain. As a consequence physical reconditioning has been proposed as treatment-goal in patients with chronic low back pain (LBP). However, it is still unclear whether a patient's physical fitness level really decreases after pain-onset. ⋯ Results showed that only in a subgroup of patients a PAL-decrease had occurred after the onset of pain, whereas no signs of physical deconditioning were found. Negative affect and the patients' perceived physical activity decline in the subacute phase predicted a decreased level of PAL over one year. Based on these results, we conclude that as to the assumption that patients with CLBP suffer from disuse and physical deconditioning empirical evidence is still lacking.
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Randomized Controlled Trial
Trait anger expressiveness and pain-induced beta-endorphin release: support for the opioid dysfunction hypothesis.
The anger management styles of anger-in (inhibition) and anger-out (direct expression) are positively associated with pain responsiveness. Opioid blockade studies suggest that hyperalgesic effects of trait anger-out, but not those of trait anger-in, are mediated in part by opioid analgesic system dysfunction. The current study tested the opioid dysfunction hypothesis of anger-out using an alternative index of opioid function: pain-induced changes in plasma endogenous opioids. ⋯ This suggests unique associations with expressive anger regulation. Elevated trait anger-out therefore appears to be associated with opioid analgesic system dysfunction, whether it is indexed by responses to opioid blockade or by examining circulating endogenous opioid levels. Possible "statextrait" interactions on these anger-related opioid system differences are discussed.
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Randomized Controlled Trial
Efficacy of epidural perineural injections with autologous conditioned serum for lumbar radicular compression: an investigator-initiated, prospective, double-blind, reference-controlled study.
Prospective, double-blind, reference-controlled, investigator-initiated, single center. ⋯ ACS is an encouraging treatment option for patients with unilateral lumbar radicular compression. The decrease in pain was pronounced, clinically remarkable, and potentially superior to steroid injection.
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Translation, cross-cultural adaptation and psychometric testing of self-report outcome measurements. ⋯ The results of this study indicate that the Brazilian-Portuguese versions of the FRI and RMDQ are reliable and valid instruments for the measurement of disability in Brazilian-Portuguese-speaking patients with LBP presenting for physiotherapy treatment. Both instruments are suitable for use in clinical practice and research studies.