Articles: neuralgia.
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This study investigated the characteristics of temperature-related evoked neural activities to baseline skin temperatures on target and adjacent sites using contact heat evoked potentials (CHEPs). ⋯ This study using CHEPs shows the importance of baseline and target skin temperatures to investigate the characteristics of temperature-related neural activities. This measure may contribute to understanding of warm-, hot-, and pain-related neural activities in human brains.
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Journal of neurotrauma · Nov 2018
Increased Levels of Circulating Glial Fibrillary Acidic Protein and Collapsin Response Mediator Protein-2 Autoantibodies in the Acute Stage of Spinal Cord Injury Predict the Subsequent Development of Neuropathic Pain.
Neuropathic pain develops in 40-70% of spinal cord injury (SCI) patients and markedly compromises quality of life. We examined plasma from SCI patients for autoantibodies to glial fibrillary acidic protein (GFAP) and collapsin response mediator protein-2 (CRMP2) and evaluated their relationship to the development of neuropathic pain. In study 1, plasma samples and clinical data from 80 chronic SCI patients (1-41 years post-SCI) were collected and screened for GFAP autoantibodies (GFAPab). ⋯ In study 3, we identified CRMP2 as an autoantibody target (CRMP2ab) in 23% of acute SCI patients. The presence of GFAPab and/or CRMP2ab increased the odds of subsequently developing neuropathic pain within 6 months of injury by 9.5 times (p = 0.006). Our results suggest that if a causal link can be established between these autoantibodies and the development of neuropathic pain, strategies aimed at reducing the circulating levels of these autoantibodies may have therapeutic value.
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Extraforaminal lumbar disk herniations are characterized by distinct clinical features in comparison to paramedian lumbar disk herniations. ⋯ Extraforaminal compression is associated with chronic as well as neuropathic pain, presumably caused by direct compression of the dorsal root ganglion, which may preferentially promote specific chronic pain mechanisms. Muscle Nerve 58: 676-680, 2018.
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To evaluate the association between dry eye (DE) symptoms and neuropathic-like ocular pain (NOP) features, chronic pain conditions, depression, and anxiety in patients presenting for routine ophthalmic examinations. ⋯ Dry eye severity positively associated with NOP complaints, comorbid chronic pain conditions, and symptoms of depression and anxiety.
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Chemotherapy-induced peripheral neuropathy is a common consequence of chemotherapeutic treatments in patients with cancer. This study evaluated the validity and reliability of a Chinese version of the Neuropathic Pain Symptom Inventory (C-NPSI) in patients with colorectal cancer and chemotherapy-induced peripheral neuropathy. ⋯ The C-NPSI has satisfactory reliability and validity. Clinicians and physician can use it to evaluate and manage oxaliplatin-induced peripheral neuropathy.