Articles: neuralgia.
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Current medical treatments for chemotherapy-induced pain (CIP) are either ineffective or have adverse side effects. Acupuncture may alleviate CIP, but its effectiveness against this condition has not been studied. Paclitaxel causes neuropathic pain in cancer patients. ⋯ Electroacupuncture (EA) activates spinal 5-HT1A receptors to inhibit p-CaMKII to alleviate paclitaxel-induced pain. Acupuncture/EA may be used as a complementary therapy for CIP.
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Randomized Controlled Trial
Effect of Single Intra-cutaneous Injection for Acute Thoracic Herpes Zoster and Incidence of Postherpetic Neuralgia.
The therapeutic effect of postherpetic neuralgia (PHN) is often disappointing and challenging. The role of intra-cutaneous injection of local anesthetic and steroids in preventing PHN remains unknown. The purpose of this study was to investigate the effect of a single intra-cutaneous injection of ropivacaine plus methylprednisolone on acute thoracic herpes zoster (HZ) pain intensity and duration, eruptive duration, and PHN incidence. ⋯ No serious side effects were noticed during the study period. Early single intra-cutaneous injection, in combination with antiviral agents and optimal analgesics, in the course of acute thoracic HZ seems to be a simple, well-tolerated, and effective adjuvant treatment modality. It dramatically decreased pain intensity, shortened pain duration, reduced skin eruption, and reduced and may even prevent the development of PHN.
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Chronic neuropathic pain is often refractory to conventional medical treatments and leads to significant disability and socio-economic burden. Dorsal root ganglion (DRG) stimulation has recently emerged as a treatment for persistent neuropathic pain, but creating a strain relief loop at the S1 level has thus far been a challenging technical component of DRG lead placement. ⋯ The patient experienced a decrease in visual analog pain score (85%), and improvement in function during the trial period, and proceeded with permanent implantation. The described sacral transforaminal strain relief loop formation technique appears to be a more reliable and predictable technique of DRG lead placement in the sacrum than those previously documented.
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Dorsal root ganglion stimulation (DRGS) received its first regulatory approval (CE marking in Europe) in late 2011, and so its use is now almost six years old. Several thousand patients have already been treated, and a landmark trial in lower limb complex regional pain syndrome (CRPS) and causalgia has recently been published. ⋯ There is now Class A RCT evidence that DRGS provides superior pain relief to SCS for CRPS and causalgia of the lower limb. In the coming years we hope that randomized controlled trials will be performed on an indication-by-indication basis, which, together with the publication of longer term follow-up data, will provide a more complete understanding of the role of DRGS in the treatment of neuropathic pain syndromes.
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Review Clinical Trial
Peripheral Nerve Stimulation for Painful Mononeuropathy Secondary to Leprosy: A 12-Month Follow-Up Study.
Leprosy affects approximately 10-15 million patients worldwide and remains a relevant public health issue. Chronic pain secondary to leprosy is a primary cause of morbidity, and its treatment remains a challenge. We evaluated the feasibility and safety of peripheral nerve stimulation (PNS) for painful mononeuropathy secondary to leprosy that is refractory to pharmacological therapy and surgical intervention (decompression). ⋯ Our data suggest that PNS might have significant long-term utility for the treatment of painful mononeuropathy secondary to leprosy. Future studies should be performed in order to corroborate our findings in a larger population and encourage the clinical implementation of this technique.