Articles: neuralgia.
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Central poststroke pain (CPSP) is a neuropathic pain syndrome that can occur after a cerebrovascular accident. It has negative effects on mood, sleep, rehabilitation, and quality of life in stroke patients. This systematic review assessed the efficacy and safety of nonpharmacological therapies for treating CPSP. ⋯ Nonpharmacological therapies appear to be effective in CPSP, but the evidence is relatively weak. Invasive electrical brain stimulation can be accompanied by serious adverse events, but most patients recover from these effects.
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Fire needle therapy has the double function of acupuncture and moxibustion, which has both the stimulation of needle and the warm stimulation of moxibustion. As an important part of acupuncture and moxibustion, fire needle has been widely used in clinical treatment since ancient times in China. Postherpetic neuralgia (PHN) is a kind of chronic and solid neuropathic pain with persistent and intense pain after the skin lesion of sores has been completely eliminated. The clinical treatment of PHN is mostly integrated therapy. In recent years, many literatures have reported that the curative effect of fire needle on PHN is accurate. The purpose of this protocol is to describe how to accumulate evidence for further understanding of the status quo and reliability of clinical practice in the treatment of PHN with fire needle. ⋯ INPLASY202080029.
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As one of the thalamic midline nuclei, the thalamic paraventricular nucleus (PVT) is considered to be an important signal integration site for many descending and ascending pathways that modulate a variety of behaviors, including feeding, emotions, and drug-seeking. A recent study has demonstrated that the PVT is implicated in the acute visceral pain response, but it is unclear whether the PVT plays a critical role in the central processing of chronic pain. Here, we report that the neurons in the posterior portion of the PVT (pPVT) and their downstream pathway are involved in descending nociceptive facilitation regarding the development of neuropathic pain conditions in male rats. ⋯ Here, an integrative approach of behavioral tests, electrophysiology, and immunohistochemistry was used to advance the novel concept that the pPVT-CeA pathway activation facilitates neuropathic pain processing. Using rabies virus (RV)-based and cell-type-specific retrograde transsynaptic tracing techniques, we found that glutamatergic neurons in the vlPAG were the target of the pPVT-CeA pathway. Thus, this study indicates the involvement of a pPVTGlu+-CeA-vlPAGGlu+ pathway in a descending facilitatory mechanism underlying neuropathic pain.
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Meta Analysis
Efficacy and safety of acupuncture for trigeminal neuralgia: A protocol for systematic review and meta-analysis.
Trigeminal neuralgia (TN) is a disease accompanied by severe facial pain, which seriously affects the daily life of patients. Acupuncture is widely used by Traditional Chinese Medicine doctors to treat various painful diseases. Acupuncture combined with the treatment of trigeminal neuralgia can increase the analgesic effect and reduce side effects. However, there is still a lack of more quality multi-center clinical controlled trials and comprehensive meta-analysis, and a lack of more comprehensive and stronger evidence-based medical evidence. ⋯ The research has been registered and approved on the PROSPERO website. The registration number is CRD42019119606.
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J. Neurol. Neurosurg. Psychiatr. · Oct 2020
Tissue bridges predict neuropathic pain emergence after spinal cord injury.
To assess associations between preserved spinal cord tissue quantified by the width of ventral and dorsal tissue bridges and neuropathic pain development after spinal cord injury. ⋯ Larger width of ventral tissue bridges-a proxy for spinothalamic tract function-at 1 month post-spinal cord injury is associated with the emergence and maintenance of neuropathic pain and increased pin-prick sensation. Spared ventral tissue bridges could serve as neuroimaging biomarkers of neuropathic pain and might be used for prediction and monitoring of pain outcomes and stratification of patients in interventional trials.