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https://www.readbyqxmd.com/read/28731977/interventions-for-neuropathic-pain-an-overview-of-systematic-reviews
#1
Svjetlana Dosenovic, Antonia Jelicic Kadic, Maja Miljanovic, Marina Biocic, Krste Boric, Marija Cavar, Nikolina Markovina, Katarina Vucic, Livia Puljak
Numerous interventions for neuropathic pain (NeuP) are available, but its treatment remains unsatisfactory. We systematically summarized evidence from systematic reviews (SRs) of randomized controlled trials on interventions for NeuP. Five electronic databases were searched up to March 2015. Study quality was analyzed using A Measurement Tool to Assess Systematic Reviews. The most common interventions in 97 included SRs were pharmacologic (59%) and surgical (15%). The majority of analyzed SRs were of medium quality...
August 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28730896/cannabinoid-hyperemesis-syndrome-potential-mechanisms-for-the-benefit-of-capsaicin-and-hot-water-hydrotherapy-in-treatment
#2
John R Richards, Jeff M Lapoint, Guillermo Burillo-Putze
INTRODUCTION: Cannabinoid hyperemesis syndrome is a clinical disorder that has become more prevalent with increasing use of cannabis and synthetic cannabinoids, and which is difficult to treat. Standard antiemetics commonly fail to alleviate the severe nausea and vomiting characteristic of the syndrome. Curiously, cannabinoid hyperemesis syndrome patients often report dramatic relief of symptoms with hot showers and baths, and topical capsaicin. OBJECTIVES: In this review, we detail the pharmacokinetics and pharmacodynamics of capsaicin and explore possible mechanisms for its beneficial effect, including activation of transient receptor potential vanilloid 1 and neurohumoral regulation...
July 21, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28730839/trpv1-receptors-contribute-to-mediate-paclitaxel-induced-c-fos-expression-in-spinal-cord-dorsal-horn-neurons
#3
N Kalynovska, P Adamek, J Palecek
Transient receptor potential vanilloid type 1 (TRPV1) receptors are important in the development of different pathological chronic pain states. Here we examined the role of spinal cord TRPV1 receptors in the mechanisms leading to activation of dorsal horn neurons after paclitaxel (PAC) treatment. PAC is a widely used chemotherapeutic drug that often leads to development of painful neuropathy. Immunohistochemical analysis of c-Fos protein expression in dorsal horn neurons was used as a marker of neuronal activation...
July 18, 2017: Physiological Research
https://www.readbyqxmd.com/read/28730237/therapeutic-potential-of-certain-drug-combinations-on-paclitaxel-induced-peripheral-neuropathy-in-rats
#4
Cristina Elena Zbârcea, IonuŢ Cosmin Ciotu, Veronica Bild, Cornel ChiriŢă, Alexandra Mihaela Tănase, Oana Cristina Şeremet, Emil Ştefănescu, Andreea LetiŢia Arsene, Alexandra Eugenia Bastian, Floriana Elvira Ionică, Simona Negreş
BACKGROUND AND AIMS: Experimental research and clinical data support the potential combination therapy for the treatment of neuropathic pain. We aimed to investigate the analgesic effect of the following associations: gabapentin + etifoxine; tramadol + etifoxine; gabapentin + tramadol, in an experimental model of peripheral neuropathy induced by paclitaxel. MATERIALS AND METHODS: Neuropathy was induced in male Wistar rats by the daily administration of 2 mg÷kg body weight (bw) paclitaxel intraperitoneally, four days in a row...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28729524/cardiac-arrest-following-drug-abuse-with-intravenous-tapentadol-case-report-and-literature-review
#5
Misbahuddin Khaja, George Lominadze, Konstantin Millerman
BACKGROUND Tapentadol is a centrally acting opioid analgesic, with a dual mode of action, as a norepinephrine reuptake inhibitor and an agonist of the μ-opioid receptor (MOR). Tapentadol is used for the management of musculoskeletal pain, and neuropathic pain associated with diabetic peripheral neuropathy. CASE REPORT A 32-year-old woman attended hospital for evaluation of an intractable headache. Computed tomography and magnetic resonance imaging of the brain were negative. She was found unresponsive in the bathroom on the day following hospital admission, and despite resuscitative measures, the patient died following cardiac arrest...
July 21, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28729222/antiallodynic-effect-of-%C3%AE-caryophyllene-on-paclitaxel-induced-peripheral-neuropathy-in-mice
#6
Gabriela C Segat, Mariane N Manjavachi, Daiane O Matias, Giselle F Passos, Cristina Setim Freitas, Robson Costa, João B Calixto
Painful peripheral neuropathy is a common side effect of paclitaxel (PTX). The use of analgesics is an important component for management of PTX-induced peripheral neuropathy (PINP). However, currently employed analgesics have several side effects and are poorly effective. β-caryophyllene (BCP), a dietary selective CB2 agonist, has shown analgesic effect in neuropathic pain models, but its role in chemotherapy-induced neuropathic pain has not yet been investigated. Herein, we used the mouse model of PINP to show the therapeutic effects of BCP in this neuropathy...
July 17, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28729057/neuropathic-pain-alleviating-effects-of-pyrazole-conjugated-arylsulfonamides-as-5-ht6-receptor-antagonists
#7
Jin Ri Hong, Hyunah Choo, Ghilsoo Nam
A novel series of arylsulfonylaminomethyl-3-(1-phenyl-5-isopropyl)pyrazoles was evaluated for serotonin receptor subtype 6 (5-HT6R) antagonistic effects in vitro. We also investigated their neuropathic pain-alleviating effects in vivo using a rat spinal nerve ligation (SNL) model. Bicyclic aromatic sulfonamino groups, such as naphthalene and quinolin-substituted derivatives, showed good 5-HT6 inhibitory activity in vitro. Among them, selected compounds, 12 and 13, having 8-quinoylsulfonamino groups, showed potent neuropathic pain-alleviating effects in the rat model...
July 11, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28728857/-rosacea-new-data-for-better-care
#8
B Cribier
In the last 10 years, numerous studies have been published that throw new light on rosacea, in all areas of the disease. This overview summarises all the key developments, based on the indexed bibliography appearing in Medline between 2007 and 2017. Recent epidemiological data show that the prevalence of the disease is doubtless greater than estimated hitherto (more than 10% of adults in some countries) and that we should not overlook rosacea in subjects with skin phototypes V or VI, a condition that exists on all continents...
July 17, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28728799/-mental-health-determines-the-quality-of-life-in-patients-with-cancer-related-neuropathic-pain-in-quito-ecuador
#9
Fernando Gordillo Altamirano, María José Fierro Torres, Nelson Cevallos Salas, María Cristina Cervantes Vélez
OBJECTIVE: To identify the main factors determining the health related quality of life (HRQL) in patients with cancer-related neuropathic pain in a tertiary care hospital. METHODS: A cross-sectional analytical study was performed on a sample of 237 patients meeting criteria for cancer-related neuropathic pain. Clinical and demographic variables were recorded including, cancer type, stage, time since diagnosis, pain intensity, physical functionality with the Palliative Performance Scale (PPS), and anxiety and depression with the Hospital Anxiety and Depression Scale (HADS)...
July 2017: Revista Colombiana de Psiquiatría
https://www.readbyqxmd.com/read/28728601/transabdominal-laparoscopic-retroperitoneal-neurectomy-for-chronic-pain-after-inguinal-hernia-repair-and-appendicectomy-a-matched-pair-study
#10
Ioannis Karampinis, Johannes Weiss, Lothar Pilz, Stefan Post, Florian Herrle
BACKGROUND: Chronic debilitating pain is a rare but significant cause of postoperative morbidity after inguinal surgery. Such pain is usually of neuropathic origin and frequently caused by intraoperative nerve damage. In this retrospective matched-pair study we analysed results of a minimal-invasive approach to neurectomy on quality of life and pain relief. METHODS: From March 2010 to January 2012, 9 patients developing chronic neuropathic pain after inguinal hernia repair (8 patients) or open appendicectomy (one patient) were operated using a laparoscopic transabdominal approach in our department...
July 20, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28728214/p2x-receptor-channels-in-chronic-pain-pathways
#11
REVIEW
Louis-Philippe Bernier, Ariel R Ase, Philippe Séguéla
Chronic pain is a highly prevalent debilitating condition for which treatment options remain limited for many patients. Ionotropic ATP signaling through excitatory and calcium-permeable P2X receptor-channels is now rightfully considered as a critical player in pathological pain generation and maintenance, therefore their selective targeting represents a therapeutic opportunity with promising yet untapped potential. Recent advances in the structural, functional and pharmacological characterization of rodent and human ATP-gated P2X receptor-channels have shed brighter light on the role of specific subtypes in the pathophysiology of chronic inflammatory, neuropathic or cancer pain...
July 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28727712/intervertebral-foramen-injection-of-ozone-relieves-mechanical-allodynia-and-enhances-analgesic-effect-of-gabapentin-in-animal-model-of-neuropathic-pain
#12
Wen-Jun Luo, Fan Yang, Fei Yang, Wei Sun, Wei Zheng, Xiao-Liang Wang, Fang-Fang Wu, Jiang-Lin Wang, Jia-Shuang Wang, Su-Min Guan, Jun Chen
BACKGROUND: In a 5-year follow-up study in a hospital in southern China, it was shown that intervertebral foramen (IVF) injection of ozone at the involved segmental levels could significantly alleviate paroxysmal spontaneous pain and mechanical allodynia in patients with chronic, intractable postherpetic neuralgia (PHN) and improve the quality of life. However, so far no proof-of-concept studies in animals have been available. OBJECTIVE: This study was designed to investigate whether IVF ozone has an analgesic effect on animal models of neuropathic and inflammatory pain...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28727698/high-prevalence-of-neuropathic-pain-component-in-patients-with-low-back-pain-evidence-from-meta-analysis
#13
Kapil Gudala, Dipika Bansal, Rambabu Vatte, Babita Ghai, Fabrizio Schifano, Chandrasehkar Boya
BACKGROUND: Low back pain (LBP) is a complex syndrome which includes a nociceptive (NcP) component, a neuropathic (NeP) component, or a mixture of components (mixed pain). The NeP component (NePC) in LBP is defined as the presence of NeP with or without an NcP. OBJECTIVE: This meta-analysis aimed at assessing the pooled prevalence of NePC in patients with LBP and at identifying the factors causing significant heterogeneity in reported prevalence. STUDY DESIGN: Meta-analysis...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28726577/will-optogenetics-be-used-to-treat-chronic-pain-patients
#14
Hélène Beaudry, Ihab Daou, Alfredo Ribeiro-da-Silva, Philippe Séguéla
Chronic pain affects a third of the population and current treatments produce limited relief and severe side effects. An alternative strategy to decrease pain would be to directly modulate somatosensory pathways using optogenetics. Optogenetics involves the use of genetically encoded and optically active proteins, namely opsins, to control neuronal circuits. In preclinical animal models, optical silencing of peripheral nociceptors has been shown to alleviate both inflammatory and neuropathic pain. An opsin-based gene therapy to treat chronic pain patients is not ready yet, but encouraging advances have been made in optical and viral technology...
July 20, 2017: Pain Management
https://www.readbyqxmd.com/read/28726540/mechanisms-of-the-analgesic-effect-of-calcitonin-on-chronic-pain-by-alteration-of-receptor-or-channel-expression
#15
Akitoshi Ito, Megumu Yoshimura
The polypeptide hormone calcitonin is well known clinically for its ability to relieve osteoporotic back pain and neuropathic pain such as spinal canal stenosis, diabetic neuropathy, chemotherapy-induced neuropathy, and complex regional pain syndrome. Because the analgesic effects of calcitonin have a broad range, the underlying mechanisms of pain relief by calcitonin are largely unknown. However, recent studies using several types of chronic pain models combined with various methods have been gradually clarifying the mechanism...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28726051/serum-methylmalonic-acid-correlates-with-neuropathic-pain-in-idiopathic-parkinson-s-disease
#16
Jin-Sung Park, Donghwi Park, Pan-Woo Ko, Kyunghun Kang, Ho-Won Lee
Recent studies have shown a relatively higher prevalence of peripheral neuropathy in idiopathic Parkinson's disease (IPD). The hypothesis is that prolonged levodopa exposure causes vitamin B12 deficiency, which leads to peripheral neuropathy. The aim of our study was to find the relationship between vitamin B12 and its precursor methylmalonic acid (MMA) in IPD patients with neuropathic pain. We performed a cross-sectional study by enrolling consecutive 43 patients who were clinically tested positive for F-18 FP-CIT PET and 15 patients were diagnosed with peripheral neuropathy according to the Toronto clinical scoring system (TCSS)...
July 19, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28725942/l-arginine-supplementation-prevents-allodynia-and-hyperalgesia-in-painful-diabetic-neuropathic-rats-by-normalizing-plasma-nitric-oxide-concentration-and-increasing-plasma-agmatine-concentration
#17
Lusliany J Rondón, M C Farges, N Davin, B Sion, A M Privat, M P Vasson, A Eschalier, C Courteix
PURPOSE: Neuropathic pain is a common diabetic complication. It is characterized by symptoms of spontaneous and stimulus-evoked pain including hyperalgesia and allodynia. L-Arginine is a common precursor of many metabolites of biological interest, in particular, nitric oxide (NO), ornithine, and hence polyamines. In central nervous system, NO, glutamate, and polyamines share an N-methyl-D-aspartate (NMDA) receptor-mediated effect. We hypothesized that a variation in arginine metabolism caused by diabetes may contribute to development and maintenance of neuropathic pain and to the worsening of clinical and biological signs of diabetes...
July 19, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28724368/utilizing-patient-data-from-the-veterans-administration-electronic-health-record-to-support-web-based-clinical-decision-support-informatics-challenges-and-issues-from-three-clinical-domains
#18
Nallakkandi Rajeevan, Kristina M Niehoff, Peter Charpentier, Forrest L Levin, Amy Justice, Cynthia A Brandt, Terri R Fried, Perry L Miller
BACKGROUND: The US Veterans Administration (VA) has developed a robust and mature computational infrastructure in support of its electronic health record (EHR). Web technology offers a powerful set of tools for structuring clinical decision support (CDS) around clinical care. This paper describes informatics challenges and design issues that were confronted in the process of building three Web-based CDS systems in the context of the VA EHR. METHODS: Over the course of several years, we implemented three Web-based CDS systems that extract patient data from the VA EHR environment to provide patient-specific CDS...
July 19, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28724356/a-one-year-follow-up-study-of-chronic-pain-in-community-dwelling-older-adults-with-and-without-neuropathic-pain
#19
Susanna Rapo-Pylkkö, Maija Haanpää, Helena Liira
BACKGROUND: Chronic, mostly musculoskeletal pain is common among older adults. Little is known about the prognosis of chronic pain and the neuropathic pain qualities in older adults. We studied a cohort of community-dwelling older adults, clinically assessed their pain states, classified their type of pain (nociceptive, neuropathic or combined) and followed them up for a year. METHODS: At baseline, a geriatrician clinically examined all study patients and classified their type of pain in collaboration with a pain specialist...
July 19, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28723879/suppression-of-sympathetic-nerve-sprouting-by-local-administration-of-an-%C3%AE-antagonist-around-the-dorsal-root-ganglion-in-a-lumbar-radiculopathy-model
#20
Izaya Ogon, Tsuneo Takebayashi, Tsuyoshi Miyakawa, Takehito Iwase, Katsumasa Tanimoto, Yoshinori Terashima, Syunsuke Jimbo, Takeshi Kobayashi, Noritsugu Tohse, Toshihiko Yamashita
STUDY DESIGN: Animal experimental study with intervention OBJECTIVE.: The purpose of this study was to elucidate whether local administration of an α-antagonist around the dorsal root ganglion (DRG) suppressed sympathetic nerve sprouting, from the acute to the chronic pain development phase, in a lumbar radiculopathy model using immunohistochemical methods. SUMMARY OF BACKGROUND DATA: The abnormal sympathetic-somatosensory interaction may underlie some forms of neuropathic pain...
July 18, 2017: Spine
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