Pain physician
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The intervertebral disc has been implicated as a major cause of chronic spinal pain based on clinical, basic science, and epidemiological research. There is, however, a lack of consensus regarding the diagnosis and treatment of intervertebral disc disorders. Based on controlled evaluations, lumbar intervertebral discs have been shown to be the source of chronic back pain without disc herniation in 26% to 39% of patients, and in 16% to 53% of patients with pain in the cervical spine. Lumbar, cervical, and thoracic provocation discography, which includes disc stimulation and morphological evaluation, is often used to distinguish a painful disc from other potential sources of pain. Despite the extensive literature on point, intense debate continues about lumbar discography as a diagnostic tool. ⋯ Lumbar intervertebral disc, cervical intervertebral disc, thoracic intervertebral disc, discography, provocation discography, analgesic discography, diagnostic accuracy, prevalence.
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Until now, few studies had investigated the neuropathic pain component in patients with a rotator cuff tear (RCT). ⋯ Shoulder, rotator cuff tear, arthroscopic rotator cuff repair, neuropathic pain.
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Neuropathic pain (NP) is a common symptom caused by lesions or diseases of the somatosensory nervous system. Acute/subacute peripheral neuropathies (APN) are rare, however can be particularly painful. ⋯ Neuropathic, pain, acute, subacute, neuropathy, polyneuropathy, frequency, incidence.
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Sleep loss in infants may have a negative effect on the functional and structural development of the nociceptive system. We tested the hypothesis that neonatal sleep restriction induces a long-term increase of pain-related behaviors in mice and that this hypersensitivity occurs due to changes in the neuronal activity of nociceptive pathways. ⋯ Brain maturation, hypersensitivity, neuronal activity, nociception, pain, periaqueductal gray, postnatal development, sleep, sleep deprivation.
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Pulsed radiofrequency (PRF) is increasingly used in clinical practice, especially in neuropathic pain disorders. Although PRF is not new to clinical use, there are significant gaps in knowledge regarding its effectiveness. ⋯ Pulsed radiofrequency, analgesic, rats, sciatic nerve, duration, neuropathic pain.