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Post-herpetic neuralgia

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https://www.readbyqxmd.com/read/28514943/sex-differences-underlying-orofacial-varicella-zoster-associated-pain-in-rats
#1
Crystal Stinson, Mohong Deng, Michael B Yee, Larry L Bellinger, Paul R Kinchington, Phillip R Kramer
BACKGROUND: Most people are initially infected with varicella zoster virus (VZV) at a young age and this infection results in chickenpox. VZV then becomes latent and reactivates later in life resulting in herpes zoster (HZ) or "shingles". Often VZV infects neurons of the trigeminal ganglia to cause ocular problems, orofacial disease and occasionally a chronic pain condition termed post-herpetic neuralgia (PHN). To date, no model has been developed to study orofacial pain related to varicella zoster...
May 17, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28481678/herpes-zoster-vaccine-a-health-economic-evaluation-for-switzerland
#2
Patricia R Blank, Zanfina Ademi, Xiaoyan Lu, Thomas D Szucs, Matthias Schwenkglenks
Herpes zoster (HZ) or "shingles" results from a reactivation of the varicella zoster virus (VZV) acquired during primary infection (chickenpox) and surviving in the dorsal root ganglia. In about 20% of cases, a complication occurs, known as post-herpetic neuralgia (PHN). A live attenuated vaccine against VZV is available for the prevention of HZ and subsequent PHN. The present study aims to update an earlier evaluation estimating the cost-effectiveness of the HZ vaccine from a Swiss third party payer perspective...
May 8, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28479176/cost-effectiveness-of-varicella-vaccine-against-herpes-zoster-and-post-herpetic-neuralgia-for-elderly-in-japan
#3
Shu-Ling Hoshi, Masahide Kondo, Ichiro Okubo
BACKGROUND: The extended use of varicella vaccine in adults aged 50 and older against herpes zoster (HZ) was recently approved in Japan, which has raised the need to evaluate its value for money. METHODS: We conducted a cost-effectiveness analysis with Markov modelling to evaluate the efficiency of varicella vaccine immunisation programme for the elderly in Japan. Four strategies with different ages to receive a shot of vaccine were set, namely: (1) 65-84, (2) 70-84, (3) 75-84 and (4) 80-84years old (y...
May 31, 2017: Vaccine
https://www.readbyqxmd.com/read/28431564/effectiveness-of-the-capsaicin-8-patch-in-the-management-of-peripheral-neuropathic-pain-in-european-clinical-practice-the-ascend-study
#4
Colette Mankowski, Chris D Poole, Etienne Ernault, Roger Thomas, Ellen Berni, Craig J Currie, Cecil Treadwell, José I Calvo, Christina Plastira, Eirini Zafeiropoulou, Isaac Odeyemi
BACKGROUND: In randomised studies, the capsaicin 8% patch has demonstrated effective pain relief in patients with peripheral neuropathic pain (PNP) arising from different aetiologies. METHODS: ASCEND was an open-label, non-interventional study of patients with non-diabetes-related PNP who received capsaicin 8% patch treatment, according to usual clinical practice, and were followed for ≤52 weeks. Co-primary endpoints were percentage change in the mean numeric pain rating scale (NPRS) 'average daily pain' score from baseline to the average of Weeks 2 and 8 following first treatment; and median time from first to second treatment...
April 21, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28410599/the-role-of-vitamin-c-in-the-treatment-of-pain-new-insights
#5
REVIEW
Anitra C Carr, Cate McCall
The vitamin C deficiency disease scurvy is characterised by musculoskeletal pain and recent epidemiological evidence has indicated an association between suboptimal vitamin C status and spinal pain. Furthermore, accumulating evidence indicates that vitamin C administration can exhibit analgesic properties in some clinical conditions. The prevalence of hypovitaminosis C and vitamin C deficiency is high in various patient groups, such as surgical/trauma, infectious diseases and cancer patients. A number of recent clinical studies have shown that vitamin C administration to patients with chronic regional pain syndrome decreases their symptoms...
April 14, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28298208/looking-back-to-move-forward-a-twenty-year-audit-of-herpes-zoster-in-asia-pacific
#6
REVIEW
Liang-Kung Chen, Hidenori Arai, Liang-Yu Chen, Ming-Yueh Chou, Samsuridjal Djauzi, Birong Dong, Taro Kojima, Ki Tae Kwon, Hoe Nam Leong, Edward M F Leung, Chih-Kuang Liang, Xiaohong Liu, Dilip Mathai, Jiun Yit Pan, Li-Ning Peng, Eduardo Rommel S Poblete, Philip J H Poi, Stewart Reid, Terapong Tantawichien, Chang Won Won
BACKGROUND: Herpes zoster (HZ) is a prevalent viral disease that inflicts substantial morbidity and associated healthcare and socioeconomic burdens. Current treatments are not fully effective, especially among the most vulnerable patients. Although widely recommended, vaccination against HZ is not routine; barriers in Asia-Pacific include long-standing neglect of adult immunisation and sparse local data. To address knowledge gaps, raise awareness, and disseminate best practice, we reviewed recent data and guidelines on HZ from the Asia-Pacific region...
March 15, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28279552/a-brief-high-dose-remifentanil-infusion-partially-reverses-neuropathic-pain-in-a-subgroup-of-post-herpetic-neuralgia-patients
#7
Julian Prosenz, Herwig Kloimstein, Ulrich Thaler, Ruth Drdla-Schutting, Jürgen Sandkühler, Burkhard Gustorff
Mechanism-based therapy for chronic pain is desperately needed. Recent basic science research demonstrated that remifentanil can reverse long-term potentiation at C-fiber synapses in the dorsal horn of rats. In this exploratory, single group study, patients with chronic post-herpetic pain were treated with a single, one-hour, high-dose remifentanil infusion. The mean overall change of pain intensity seven days after treatment was -18 (-7.5; -28.5, 95%CI, p<0.001) points on the numeric rating scale (0-100) (-33 (±11) points amongst responders only)...
June 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28274075/herpes-zoster-with-post-herpetic-neuralgia-involving-the-right-maxillary-branch-of-trigeminal-nerve-a-case-report-and-review-of-literature
#8
Massillamani Francis, Kailasam Subramanian, S Leena Sankari, Venkata Lakshmi Aparna Potluri, Akila Prabakaran
Herpes Zoster (HZ) is an acute, self-limiting, neuro cutaneous viral infection caused by the reactivation of the Varicella Zoster Virus (VZV) that remains latent in the dorsal root ganglion. About 50% of occurrence is seen in older age groups and immunocompromised patients. Less than 5% occur in children. HZ is characterized by the unilateral pain, burning and tingling sensation followed by the vesicular eruptions limited to the single dermatome that are innervated by the single cranial ganglion, sometimes it leads to Post Herpetic Neuralgia (PHN)...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28261560/knotting-of-a-cervical-epidural-catheter-in-the-patient-with-post-herpetic-neuralgia-a-rare-complication
#9
Jong Taek Park, Dong Woo Cho, Young Bok Lee
Epidural block is achieved either by single injection of local anesthetic through an epidural needle or as a continuous block by infusion pump through an epidural catheter. Complications associated with epidural catheters include breakage, entrapment, and knotting. Knotting of epidural catheters is very rare, but knotting in lumbar epidural catheters has been reported in a number of studies, and most of these cases involved removal difficulty. We report a case in which we inserted a cervical epidural catheter in a patient who was experiencing severe post-herpetic neuralgia and then removed the knotted catheter without complications...
January 2017: Journal of Lifestyle Medicine
https://www.readbyqxmd.com/read/28259678/safety-of-repetitive-transcranial-magnetic-stimulation-in-patients-with-implanted-cortical-electrodes-an-ex-vivo-study-and-report-of-a-case
#10
Nicolás M Phielipp, Utpal Saha, Tejas Sankar, Akihiro Yugeta, Robert Chen
OBJECTIVE: To evaluate the safety of repetitive transcranial magnetic stimulation (rTMS) in patients with implanted subdural cortical electrodes. METHODS: We performed ex-vivo experiments to test the temperature, displacement and current induced in the electrodes with single pulse transcranial magnetic stimulation (TMS) from 10 to 100% of stimulator output and tested a typical rTMS protocol used in a clinical setting. We then used rTMS to the motor cortex to treat a patient with refractory post-herpetic neuralgia who had previously been implanted with a subdural motor cortical electrode for pain management...
June 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28223842/development-of-a-novel-algorithm-to-determine-adherence-to-chronic-pain-treatment-guidelines-using-administrative-claims
#11
Jay M Margolis, Nicole Princic, David M Smith, Lucy Abraham, Joseph C Cappelleri, Sonali N Shah, Peter W Park
OBJECTIVE: To develop a claims-based algorithm for identifying patients who are adherent versus nonadherent to published guidelines for chronic pain management. METHODS: Using medical and pharmacy health care claims from the MarketScan® Commercial and Medicare Supplemental Databases, patients were selected during July 1, 2010, to June 30, 2012, with the following chronic pain conditions: osteoarthritis (OA), gout (GT), painful diabetic peripheral neuropathy (pDPN), post-herpetic neuralgia (PHN), and fibromyalgia (FM)...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28215122/the-role-of-age-sex-interaction-in-the-development-of-post-herpetic-neuralgia
#12
Daniela Amicizia, Alexander Domnich, Lucia Arata, Daniela Zoli, Carla Maria Zotti, Elena Cacello, Maria Rosaria Gualano, Roberto Gasparini, Donatella Panatto
Post-herpetic neuralgia is the most frequent complication of herpes zoster and affects up to 30% of patients. Increased age is a well-recognized risk factor, while the role of gender is highly uncertain. Little research has been performed into a possible combined effect of age and sex in post-herpetic neuralgia. The objective of the study was to study the role of age and sex and their combined effect in the development of post-herpetic neuralgia. This retrospective study enrolled adult subjects with at least one episode of herpes zoster in the previous 10 y...
February 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28158158/prevention-of-post-herpetic-neuralgia-from-dream-to-reality-a-ten-step-model
#13
Mohamed Younis Makharita
Herpes zoster (HZ) is a painful, blistering skin eruption in a dermatomal distribution caused by reactivation of a latent varicella zoster virus in the dorsal root ganglia (DRG). Post-herpetic neuralgia (PHN) is the most common complication of acute herpes zoster (AHZ).Severe prodrome, greater acute pain and dermatomal injury, and the density of the eruption are the risk factors and predictors for developing PHN. PHN has a substantial effect on the quality of life; many patients develop severe physical, occupational, social, and psychosocial disabilities as a result of the unceasing pain...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28128811/-herpes-zoster-and-post-herpetic-neuralgia-in-the-elderly-particularities-in-prevention-diagnosis-and-treatment
#14
Ana Isabel García-González, Oscar Rosas-Carrasco
Herpes zoster (HZ) results from the reactivation of the varicella zoster virus latent in the sensory ganglia when cell-mediated immunity is altered. It is a frequent condition in older adults, leading to undesirable adverse outcomes. Aging is its main risk factor and the elderly may have different clinical presentations: zoster sine herpete, and a higher incidence of post-herpetic neuralgia (15%) and ophthalmic herpes (7%). Both HZ and post-herpetic neuralgia may impact the quality of life, functional status, mental health, and social interaction in older adults...
January 2017: Gaceta Médica de México
https://www.readbyqxmd.com/read/28118257/provoked-vestibulodynia-a-comparative-examination-of-mental-health-sleep-sexual-functioning-and-relationship-adjustment
#15
Emma Dargie, Ian Gilron, Caroline Pukall
OBJECTIVES: Provoked vestibulodynia (PVD) is an idiopathic vulvar pain condition characterized by burning pain at the vaginal opening in response to contact or pressure. Previous research has established some of the psychosocial difficulties experienced by these patients, but direct comparisons with other pain conditions are needed. The purpose of this study was to compare women with PVD to those with post-herpetic neuralgia and pain-free control participants. METHODS: Participants were invited to complete an anonymous online survey consisting of sociodemographic questions and a range of validated measures...
January 21, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28109141/-hydrogen-rich-saline-attenuates-hyperalgesia-and-reduces-cytokines-in-rats-with-post-herpetic-neuralgia-via-activating-autophagy
#16
Hongtao Ma, Hongguang Chen, Aili Dong, Yanyan Wang, Yingxue Bian, Keliang Xie
Objective To investigate the role of autophagy in hydrogen-rich saline attenuating post-herpetic neuralgia (PHN) in rats. Methods A total of 100 male SD rats were randomly divided into the five groups (n=20): control group, PHN group, PHN group treated with hydrogen-rich saline (PHN-H2 group), PHN group treated with hydrogen-rich saline and 3-MA (PHN-H2-3-MA group), PHN group treated with hydrogen-rich saline and rapamycin (PHN-H2-Rap group). PHN models were established by varicella-zoster virus (VZV) inoculation...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28078530/evaluation-of-the-population-pharmacokinetic-properties-of-lidocaine-and-its-metabolites-after-long-term-multiple-applications-of-a-lidocaine-plaster-in-post-herpetic-neuralgia-patients
#17
Roberta Bursi, Chiara Piana, Joachim Grevel, Dymphy Huntjens, Irmgard Boesl
BACKGROUND AND OBJECTIVES: Lidocaine 5% medicated plaster is the first lidocaine containing product for chronic use. As no previous investigations have been conducted to evaluate the population pharmacokinetics of long-term exposure to lidocaine 5% medicated plasters, further insights into the evaluation of the pharmacokinetic properties of lidocaine and its metabolites were needed for the assessment of its safety. METHODS: The population pharmacokinetic properties of lidocaine and its metabolites were evaluated after multiple applications of lidocaine 5% medicated plasters based on data collected for up to 14...
January 12, 2017: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/28042075/topical-treatment-of-peripheral-neuropathic-pain-applying-the-evidence
#18
REVIEW
Claudia Sommer, Giorgio Cruccu
CONTEXT: Patients with peripheral neuropathic pain (NP) may only achieve partial pain relief with currently recommended first-line oral treatments, which are also associated with systemic adverse events. Topical treatments are currently considered second- or third-line options, but a recent pharmacologic treatment algorithm has called for broader first-line use of these agents. This has highlighted a need to communicate the benefits associated with topical agents, in particular around the efficacy, targeted local action, and limited systemic availability resulting in minimal systemic adverse events and drug-drug interactions...
March 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28005560/capsaicin-8-patch-repeat-treatment-in-non-diabetic-peripheral-neuropathic-pain-a-52-week-open-label-single-arm-safety-study
#19
Rafael Gálvez, Marie-Louise Navez, Graeme Moyle, Christian Maihöfner, Malcolm Stoker, Etienne Ernault, Turo J Nurmikko, Nadine Attal
OBJECTIVES: To investigate long-term safety and tolerability of capsaicin 8% patch repeat treatment in non-diabetic patients with peripheral neuropathic pain (NP). METHODS: Prospective, open-label, observational study in patients with post-herpetic neuralgia, post-traumatic or post-surgical nerve injury, HIV-associated distal sensory polyneuropathy, or other peripheral NP, and average daily pain score ≥4, received ≤6 capsaicin 8% patch treatments over 52 weeks according to clinical need (retreatment at 9-12 wk intervals)...
December 21, 2016: Clinical Journal of Pain
https://www.readbyqxmd.com/read/27977069/biological-mechanism-of-post-herpetic-neuralgia-evidence-from-multiple-patho-psychophysiological-measures
#20
W W Peng, X L Guo, Q Q Jin, H Wei, X L Xia, Y Zhang, P C Huang, W C Wang, S L Li, J S Wang, J Chen, L Hu
BACKGROUND: Post-herpetic neuralgia (PHN), which develops after the resolution of a herpes zoster eruption, is an exceptionally drug-resistant neuropathic pain. The unsatisfactory management of PHN partly results from the difficulty in dissecting out its contributing factors due to the complexity of PHN mechanism. METHODS: Here, to elaborate our understanding of the PHN mechanism and to establish a basis for effective therapeutic strategies, we comprehensively investigated the contributions of multiple factors to PHN severity...
May 2017: European Journal of Pain: EJP
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