Articles: back-pain.
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Randomized Controlled Trial Comparative Study
Comparison of spinal manipulation methods and usual medical care for acute and subacute low back pain: a randomized clinical trial.
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Cross-sectional design. ⋯ N/A.
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Effective reassurance of patients reporting symptoms, for which no clear etiological origin is available, is one of the most important challenges in the early phases of nonspecific back pain. However, there is a lack of empirical studies on the effects of reassurance and, also, the effects shown were small. Improvements are needed with respect to the process of physician-patient interaction and to the methods used by the physician. ⋯ Reassurance of patients in early phases of persistent back pain might improve from affective and cognitive parts of communication and individually tailored information. Subgroup differences with respect to different prognosis, associated patterns of adaptive or maladaptive pain coping, and levels of health-promoting versus harmful physical activity should be considered more carefully.
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Review Meta Analysis
Early changes in somatosensory function in spinal pain: a systematic review and meta-analysis.
Alterations in sensory processing have been demonstrated in chronic low back and neck pain. However, it has not been yet systematically summarized how early these changes occur in spinal pain. This systematic review examines the available literature measuring somatosensory function in acute (<6 weeks) and subacute (6-12 weeks) spinal pain. ⋯ Sources of bias included lack of assessor blinding, unclear sampling methods, and lack of control for confounders. We found that: (1) there is consistent evidence for thermal and widespread mechanical pain hypersensitivity in the acute stage of whiplash, (2) there is no evidence for pain hypersensitivity in the acute and subacute stage of idiopathic neck pain, although the body of evidence is small, and (3) hyperalgesia and spinal cord hyperexcitability have been detected in early stages of nonspecific low back pain, although evidence about widespread effects are conflicting. Future longitudinal research using multiple sensory modalities and standardized testing may reveal the involvement of somatosensory changes in the development and maintenance of chronic pain.