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Postherpetic neuralgia

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https://www.readbyqxmd.com/read/27917531/burden-of-herpes-zoster-and-postherpetic-neuralgia-in-japanese-adults-60-years-of-age-or-older-results-from-an-observational-prospective-physician-practice-based-cohort-study
#1
Keiko Sato, Koichi Adachi, Hiroyuki Nakamura, Kazuhiro Asano, Akihiro Watanabe, Riri Adachi, Mariko Kiuchi, Keiju Kobayashi, Taizo Matsuki, Toshihiko Kaise, Kusuma Gopala, Katsiaryna Holl
Approximately one in three persons will develop herpes zoster during their lifetime, and it can lead to serious complications such as postherpetic neuralgia. However, evidence on burden of herpes zoster and postherpetic neuralgia in Japan is limited. This prospective, observational, multicenter, physician practice-based cohort study was conducted in Kushiro, Hokkaido, Japan (Clinicaltrials.gov identifier NCT01873365) to assess the incidence and hospitalization rates of herpes zoster, and the proportion, clinical burden and risk factors for postherpetic neuralgia in adults aged 60 years or more...
December 5, 2016: Journal of Dermatology
https://www.readbyqxmd.com/read/27904265/a-study-of-intravenous-administration-of-vitamin-c-in-the-treatment-of-acute-herpetic-pain-and-postherpetic-neuralgia
#2
Min Sung Kim, Dong Jin Kim, Chan Ho Na, Bong Seok Shin
BACKGROUND: Although there are several available management strategies for treatment of both acute pain of herpes zoster (HZ) and postherpetic neuralgia (PHN), it is difficult to treat them adequately. OBJECTIVE: The aim of this study was to evaluate the efficacy of intravenously administrated vitamin C on acute pain and its preventive effects on PHN in patients with HZ. METHODS: Between September 2011 and May 2013 eighty-seven patients who were admitted for HZ were assessed according to age, sex, underlying diseases, duration of pain and skin lesion, dermatomal distribution, and PHN...
December 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27896415/predicting-risk-factors-for-varicella-zoster-virus-infection-and-postherpetic-neuralgia-after-hematopoietic-cell-transplantation-using-ordered-logistic-regression-analysis
#3
Yuko Kanbayashi, Yosuke Matsumoto, Junya Kuroda, Tsutomu Kobayashi, Shigeo Horiike, Toyoshi Hosokawa, Masafumi Taniwaki
To identify risk factors for varicella zoster virus (VZV) infection and postherpetic neuralgia (PHN) after hematopoietic cell transplantation (HCT), we conducted a retrospective chart review of 163 consecutive patients who underwent HCT between November 2004 and July 2014. Overall, the male/female (M/F) ratio was 80/83, median age at HCT was 54 (range 15-69) years, and autologous/allogeneic HCT (auto/allo-HCT) ratio was 71/92. Forty-four patients [M/F, 25/19; median age, 57 (range: 16-68) years; auto/allo-HCT, 26/18] developed VZV infection after HCT...
November 28, 2016: Annals of Hematology
https://www.readbyqxmd.com/read/27888042/changes-in-neurotrophic-and-inflammatory-factors-in-the-cerebrospinal-fluid-of-patients-with-postherpetic-neuralgia
#4
Wenxing Zhao, Yong Wang, Qiwu Fang, Jianping Wu, Xinyou Gao, Hui Liu, Liu Cao, Jianxiong An
Inflammatory and neurotrophic factors are involved in postherpetic neuralgia (PHN), but the association of these factors in the cerebrospinal fluid (CSF) with the level of pain is poorly known. The present study aimed to examine the changes in neurotrophic and inflammatory factors in the CSF of patients with PHN and to study the correlation between these factors and the degree of pain. Fifty patients with PHN and 28 patients with hemifacial spasm (as controls) were recruited between May 2015 and March 2016...
November 23, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27881354/-analysis-of-immune-suppression-in-patients-with-systemic-lupus-erythematosus-complicated-by-herpes-zoster-virus-infection
#5
Hui Ouyang, Xue-Chang He, Yi Zhou, Zhao-Xia Li
OBJECTIVE: To explore the changes in cellular immune function and the safety of physical therapy in patients with systemic lupus erythematosus (SLE) complicated by herpes zoster (HZ) virus infection. Methods A retrospective analysis was conducted among 10 SLE pateints with HZ virus infection, with 30 SLE patients without HZ infection as the control group. The results of routine laboratory tests and T lymphocyte subset counts (before and during infection and after cure of infection) were compared between the two groups...
November 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27866180/positive-effects-of-uyakujunkisan-therapy-kampo-medicine-for-postherpetic-neuralgia-with-concomitant-pregabalin-two-case-reports-with-a-literature-review
#6
Toshiaki Kogure, Naoyuki Harada, Kanoko Yamamoto, Takeshi Tatsumi
Context • The hallmark of herpes zoster (HZ) is a painful, blistering rash, but neuropathic pain can persist beyond the clearing of the rash and is diagnosed as postherpetic neuralgia (PHN), a chronic pain syndrome. However, the pain in PHN is often refractory to treatment. Objective • The study investigated the ability of Uyakujunkisan (UJS), or Kampo medicine, a traditional herbal medicine, to treat PHN successfully. Design • The study was observational, with discussion of 2 cases. Setting • The study took place in the Department of Japanese Oriental Medicine at Gunma Central and General Hospital (Maebashi, Gunma, Japan)...
November 2016: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/27826209/altered-homotopic-connectivity-in-postherpetic-neuralgia-a-resting-state-fmri-study
#7
Jian Jiang, Lili Gu, Dan Bao, Shunda Hong, Wei He, Yonming Tan, Xianjun Zeng, Honghan Gong, Daying Zhang, Fuqing Zhou
OBJECTIVE: The aim of this study was to explore interhemispheric intrinsic connectivity in patients with postherpetic neuralgia (PHN). METHODS: We obtained resting-state functional magnetic resonance imaging data from 18 right-handed PHN patients (11 males, 7 females; mean age, 59.67±8.41 years) and 18 well-matched healthy controls (11 males, 7 females; mean age, 38.50±7.51 years). Interhemispheric connectivity was examined using voxel-mirrored homotopic connectivity (VMHC), and seed-based functional connectivity analysis was performed...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27822619/the-5-lidocaine-medicated-plaster-its-inclusion-in-international-treatment-guidelines-for-treating-localized-neuropathic-pain-and-clinical-evidence-supporting-its-use
#8
REVIEW
Ralf Baron, Massimo Allegri, Gerardo Correa-Illanes, Guy Hans, Michael Serpell, Gerard Mick, Victor Mayoral
When peripheral neuropathic pain affects a specific, clearly demarcated area of the body, it may be described as localized neuropathic pain (LNP). Examples include postherpetic neuralgia and painful diabetic neuropathy, as well as post-surgical and post-traumatic pain. These conditions may respond to topical treatment, i.e., pharmaceutical agents acting locally on the peripheral nervous system, and the topical route offers advantages over systemic administration. Notably, only a small fraction of the dose reaches the systemic circulation, thereby reducing the risk of systemic adverse effects, drug-drug interactions and overdose...
December 2016: Pain and Therapy
https://www.readbyqxmd.com/read/27798973/different-doses-of-gabapentin-formulations-for-postherpetic-neuralgia-a-systematical-review-and-meta-analysis-of-randomized-controlled-trials
#9
Juan Wang, Yuyou Zhu
WHAT IS KNOWN AND OBJECTIVE: Gabapentin, extended-release gabapentin (gabapentin ER), and gabapentin enacarbil (GEn), play an important role in relieving pain associated with postherpetic neuralgia (PHN). Although previous systematic reviews have assessed the efficacy and safety of gabapentin formulations for PHN, they have failed to take formulation differences and dose differences into account. Aiming at assessing the efficacy and safety of different doses of gabapentin formulations for PHN, this study performed a systematical review and meta-analysis of randomized controlled trials (RCTs)...
November 1, 2016: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/27795427/the-glycoprotein-b-cytoplasmic-domain-lysine-cluster-is-critical-for-varicella-zoster-virus-cell-cell-fusion-regulation-and-infection
#10
Edward Yang, Ann M Arvin, Stefan L Oliver
: The conserved glycoproteins gB and gH-gL are essential for herpesvirus entry and cell-cell fusion induced syncytia formation, a characteristic of Varicella Zoster Virus (VZV) pathology in skin and sensory ganglion. VZV syncytia formation, which has been implicated in the painful condition of postherpetic neuralgia, is regulated by the cytoplasmic domains of gB (gBcyt) via an immunoreceptor tyrosine-based inhibition motif (ITIM) and gH (gHcyt). A lysine cluster (K894, K897, K898, and K900) in the VZV gBcyt was identified by sequence alignment to be conserved among alphaherpesviruses suggesting a functional role...
October 26, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27795423/dysregulated-glycoprotein-b-mediated-cell-cell-fusion-disrupts-varicella-zoster-virus-and-host-gene-transcription-during-infection
#11
Stefan L Oliver, Edward Yang, Ann M Arvin
: The highly conserved herpesvirus glycoprotein complex, gB/gH-gL, mediates membrane fusion during virion entry and cell-cell fusion. Varicella-zoster virus (VZV) characteristically forms multi-nucleated cells, or syncytia, during the infection of human tissues but little is known about this process. The cytoplasmic domain of VZV gB (gBcyt) has been implicated in cell-cell fusion regulation because a gB[Y881F] substitution causes hyperfusion. The gBcyt regulation is necessary for VZV pathogenesis as the hyperfusogenic mutant gB[Y881F] is severely attenuated in human skin xenografts...
October 26, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27785092/improvement-in-pain-severity-category-in-clinical-trials-of-pregabalin
#12
Bruce Parsons, Charles E Argoff, Andrew Clair, Birol Emir
BACKGROUND: Pregabalin is approved by the US Food and Drug Administration for the treatment of fibromyalgia (FM), diabetic peripheral neuropathy (DPN), postherpetic neuralgia (PHN), and neuropathic pain due to spinal cord injury (SCI). Approval was based on clinical trial data demonstrating statistically significant differences in pain scores versus placebo. However, statistically significant pain relief may not always equate to clinically meaningful pain relief. To further characterize the clinical benefit of pregabalin, this analysis examined shifts in pain severity categories in patients with FM, DPN/PHN (pooled in this analysis), and SCI treated with pregabalin...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27777201/-efficacy-of-intracutaneous-methylene-blue-injection-for-moderate-to-severe-acute-thoracic-herpes-zoster-pain-and-prevention-of-postherpetic-neuralgia-in-elderly-patients
#13
Ji-Zheng Cui, Jin-Wei Zhang, Yun Zhang, Zheng-Liang Ma
OBJECTIVE: To evaluate the clinical efficacy of intradermal injection of methylene blue for treatment of moderate to severe acute thoracic herpes zoster and prevention of postherpetica neuralgia in elderly patients. METHODS: Sixty-four elderly patients with herpes zoster were randomized to receive a 10-day course of intradermal injection of methylene blue and lidocaine plus oral valaciclovir (group A, 32 cases) and intradermal injection of lidocaine plus oral valaciclovir (group B)...
October 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27767141/botn-a-the-efficacy-of-botulinum-toxin-for-the-treatment-of-trigeminal-and-postherpetic-neuralgia-a-systematic-review-with-meta-analyses
#14
(no author information available yet)
There is moderate evidence as to the efficacy of the use of botulinum toxin to treat trigeminal neuralgia and postherpetic neuralgia.
October 21, 2016: British Dental Journal
https://www.readbyqxmd.com/read/27753650/efficacy-and-safety-of-once-daily-controlled-release-pregabalin-for-the-treatment-of-patients-with-postherpetic-neuralgia-a-double-blind-randomized-withdrawal-placebo-controlled-trial
#15
Cynthia L Huffman, James N Goldenberg, James Weintraub, Luis Sanin, Joseph Driscoll, Ruoyong Yang, Marci L Chew, Joseph M Scavone
OBJECTIVES: To assess efficacy and safety of once-daily controlled-release (CR) formulation of pregabalin in patients with postherpetic neuralgia (PHN). METHODS: A randomized withdrawal trial, with 6-week single-blind pregabalin treatment phase and 13-week double-blind phase, where patients with ≥50% decrease in mean pain score at single-blind end point from baseline were randomized (1:1) to pregabalin CR (82.5-660 mg d) or placebo. Primary efficacy outcome was time to loss of therapeutic response (LTR; <30% decrease in weekly mean pain score from single-blind baseline or discontinuation due to adverse event [AE] or lack of efficacy)...
October 6, 2016: Clinical Journal of Pain
https://www.readbyqxmd.com/read/27727431/fentanyl-for-neuropathic-pain-in-adults
#16
REVIEW
Sheena Derry, Cathy Stannard, Peter Cole, Philip J Wiffen, Roger Knaggs, Dominic Aldington, R Andrew Moore
BACKGROUND: Opioid drugs, including fentanyl, are commonly used to treat neuropathic pain, and are considered effective by some professionals. Most reviews have examined all opioids together. This review sought evidence specifically for fentanyl, at any dose, and by any route of administration. Other opioids are considered in separate reviews. OBJECTIVES: To assess the analgesic efficacy of fentanyl for chronic neuropathic pain in adults, and the adverse events associated with its use in clinical trials...
October 11, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27711168/initial-presentation-sites-as-predictors-of-herpes-zoster-complications-a-nationwide-cohort-study
#17
Wen-Yi Wang, Sing-Huh Liu, Meng-Yin Lin, Che-Chen Lin, I-Jong Wang
Herpes zoster (HZ) is associated with complications such as postherpetic neuralgia (PHN) and HZ ophthalmicus (HZO). However, few studies have focused on identifying patients having a high risk of PHN and HZO according to the initial presentation sites. The current study investigated these factors in a nationwide population-based cohort derived from Taiwan's Longitudinal Health Insurance Database. The results indicate that the initial presentation sites can predict the complication site of HZ. In this study, elderly patients were found to be more susceptible to HZ and were the first to present with neurological signs (HZN)...
2016: PloS One
https://www.readbyqxmd.com/read/27703368/postherpetic-neuralgia-epidemiology-pathophysiology-and-pain-management-pharmacology
#18
Theresa Mallick-Searle, Brett Snodgrass, Jeannine M Brant
Herpes zoster, also known as shingles, is a distinctive clinical condition caused by the reactivation of latent varicella zoster (chickenpox) virus following an initial infection. Approximately 1 million cases of herpes zoster occur annually in the US, and one in every three people develops herpes zoster during their lifetime. Postherpetic neuralgia is a neuropathic pain syndrome characterized by pain that persists for months to years after resolution of the herpes zoster rash. It stems from damage to peripheral and central neurons that may be a byproduct of the immune/inflammatory response accompanying varicella zoster virus reactivation...
2016: Journal of Multidisciplinary Healthcare
https://www.readbyqxmd.com/read/27703336/profile-of-the-capsaicin-8-patch-for-the-management-of-neuropathic-pain-associated-with-postherpetic-neuralgia-safety-efficacy-and-patient-acceptability
#19
Muhammad Laklouk, Ganesan Baranidharan
Capsaicin is a naturally occurring irritant active ingredient found in hot peppers. It is a ligand for transient receptor potential channel vanilloid receptors, which are found in nociceptive nerve terminals in the skin. Initial exposure to topical capsaicin leads to excitation of these receptors, release of vasoactive mediators, erythema, intense burning, pain, and thereafter desensitization of sensory neurons resulting in inhibition of pain transmission. Capsaicin 8% has been licensed for the treatment of postherpetic neuralgia pain in recent years...
2016: Patient Preference and Adherence
https://www.readbyqxmd.com/read/27676676/effectiveness-and-impact-of-capsaicin-8-patch-on-quality-of-life-in-patients-with-lumbosacral-pain-an-open-label-study
#20
Panagiotis Zis, Nikolitsa Bernali, Erifili Argira, Ioanna Siafaka, Athina Vadalouka
BACKGROUND: Capsaicin 8% patch (Qutenza™) is mainly used to treat postherpetic neuralgia and HIV-associated neuropathy. Evidence of the efficacy of Qutenza in other forms of neuropathic pain is lacking. OBJECTIVE: To evaluate the analgesic effect and the impact on quality of life after a single application of the capsaicin 8% cutaneous patch in patients with lumbosacral pain. STUDY DESIGN: Prospective open-label study of capsaicin 8% patch in patients with lumbosacral pain...
September 2016: Pain Physician
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