Articles: neuralgia.
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Neuropathic pain, a type of chronic pain as a result of direct central or peripheral nerve damage, is associated with significant quality of life and functional impairment. Its underlying mechanisms remain unclear. We investigated whether ROR2, a member of the receptor tyrosine kinase-like orphan receptor (ROR) family, participates in modulation of neuropathic pain. ⋯ ROR2 in the spinal cord regulates neuropathic pain via phosphorylation of GluN2B, suggesting a potential target for prevention and relief of neuropathic pain.
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Letter Case Reports Retracted Publication
Thoracoabdominal nerve block through perichondral approach for pain management of thoracic post-herpetic neuralgia.
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editor-in-Chief as it contains fabricated/falsified data. The Editor-in-Chief decision was based on the investigation by the Japanese Society of Anesthesiologists which concluded that no research was conducted and all the data including patient backgrounds were fabricated. The investigation report can be found here.
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Although chronic postsurgical pain (CPSP) is a major health care problem, pain-related functional interference has rarely been investigated. Using the PAIN OUT registry, we evaluated patients' pain-related outcomes on the first postoperative day, and their pain-related interference with daily living (Brief Pain Inventory) and neuropathic symptoms (DN4: douleur neuropathique en 4 questions) at 6 months after surgery. Endpoints were pain interference total scores (PITS) and their association with pain and DN4 scores. ⋯ Preexisting chronic pain (3.6 [2.6-5.1]; P < 0.001), time spent in severe acute pain (2.9 [1.3-6.4]; P = 0.008), neurosurgical back surgery in males (3.6 [1.7-7.6]; P < 0.001), and orthopedic surgery in females (1.7 [1.0-3.0]; P = 0.036) were the variables with strongest association with PITS. Pain interference total scores might provide more precise information about patients' outcomes than pain scores only. Because neuropathic symptoms increase PITS, a suitable instrument for their routine assessment should be defined.
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Anesthesia and analgesia · Aug 2019
Inhibition of Fatty Acid Amide Hydrolase Improves Depressive-Like Behaviors Independent of Its Peripheral Antinociceptive Effects in a Rat Model of Neuropathic Pain.
Neuropathic pain is often associated with depression. Enhancing endocannabinoids by fatty acid amide hydrolase (FAAH) inhibitors relieves neuropathic pain and stress-induced depressive-like behaviors in animal models. However, it is unclear whether FAAH inhibitor can relieve neuropathic pain-induced depression by or not by its antinociceptive effects. ⋯ Inhibition of FAAH can improve depressive-like behaviors induced by neuropathic pain independent of its peripheral antinociceptive action. Enhanced neurogenesis in hippocampus might contribute to the antidepressive effects of URB597.
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Neuropathic pain (NeP) is often under-recognized, resulting in poor pain management. Therefore, a Taiwan version of the 10-item Douleur Neuropathique 4 (DN4-T) questionnaire was developed to identify patients with NeP from a mixed population of patients with pain. ⋯ The DN4-T questionnaire has been reliably translated into Mandarin Chinese and can be used as a diagnostic tool for NeP in conjunction with clinical evaluation.