Articles: low-back-pain.
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Chronic pain is a common health problem, for which the treatment is complex and challenging. Non-invasive brain stimulation techniques, specifically transcranial alternating current stimulation (tACS), show promise as a well-tolerated new therapeutic modality with few side effects. This is supported by growing evidence of an association between altered neuronal oscillations and chronic pain. However, to date, only a handful of studies with variable methodology have evaluated tACS for potential applicability to patients with chronic pain. ⋯ These data currently do not provide sufficient evidence for the therapeutic use of tACS for chronic pain therapy. Future studies may address the question of a therapeutic benefit of tACS for this indication utilizing improved stimulation techniques and considering existing recommendations for the design and conduct of tACS studies.
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Systematic review and meta-analysis. ⋯ PROSPERO prospective register of systematic reviews: Registration Nº. CRD42022339078, Available from: https://www.crd.york.ac.uk/prospero/displayrecord.php?ID=CRD42022339078.
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Do visual pain trajectories reflect the actual course of low back pain? A longitudinal cohort study.
Different trajectories of low back pain (LBP) have been identified prospectively using repeated measures. For these trajectories to inform clinical practice, they must be available in the clinical consultation. Therefore, identified LBP trajectories have been translated into visual pain trajectories (VPTs) that allow people with LBP, at the time of consult, to reflect upon their pain experience and identify the VPT that best categorizes their pain course. ⋯ Reasons for apparent mismatches between the experienced course of LBP and VPT recall warrant further investigation. PERSPECTIVE: Self-reported back pain trajectories reflected pain intensities obtained through weekly SMS tracking over a year, but participants' recall did not reflect the pain patterns (episodes and fluctuations) discovered prospectively. Clinicians can use self-reported pain trajectories to facilitate a dialog about pain experience, but not as a proxy for prospective measures.
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Low back pain is a common reason for visiting the emergency department (ED), yet little is known about patient motivations for seeking emergency care. The purpose of this study was to explore patient perspectives on visiting the ED for low back pain to inform a more patient-centered approach to emergency care. ⋯ These patient perspectives and resulting themes may be used to inform a more patient-centered emergency care experience and contextualize quantitative research findings on ED care for low back pain.
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Observational Study
Construct validity of Movement-Evoked pain operational definitions in older adults with chronic low back pain.
Movement-evoked pain (MeP) may predispose the geriatric chronic low back pain (LBP) population to health decline. As there are differing operational definitions for MeP, the question remains as to whether these different definitions have similar associations with health outcomes in older adults with chronic LBP. ⋯ Aggregate posttest MeP was linked to poorer health outcomes in older adults with chronic LBP, but MeP change scores were not. Future studies should consider that the construct validity of MeP paradigms partially depends on the chosen operational definition.