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https://www.readbyqxmd.com/read/28101683/allergy-histamine-and-antihistamines
#1
Martin K Church
This chapter concentrates on the role in allergic disease of histamine acting on H1-receptors. It is clear that allergy has its roots in the primary parasite rejection response in which mast cell-derived histamine creates an immediate hostile environment and eosinophils are recruited for killing. This pattern is seen in allergic rhinitis where the early events of mucus production and nasal itching are primarily histamine mediated whereas nasal blockage is secondary to eosinophil infiltration and activation...
January 19, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28099602/psychotropics-in-different-causes-of-itch-systematic-review-with-controlled-studies
#2
Lízie Emanuelle Eulalio Brasileiro, Dayanna Patrícia de Carvalho Barreto, Emerson Arcoverde Nunes
Among the wide range of symptoms neglected or resistant to conventional treatments in clinical practice, itch is emerging gradually as a theme to be studied. Itch complaints and the negative effects in the quality of life are observed in several medical fields. Although the partially obscure pathophysiology, some researchers decided to check and test the use of psychotropic drugs in resistant itch to conventional topical treatments and antihistamines. The objective of this study was to evaluate scientific evidence in psychotropic use in the treatment of itch of various causes...
November 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28099597/correlation-between-the-histopathology-of-chronic-urticaria-and-its-clinical-picture
#3
Raquel Zappa Silva Marques, Roberta Fachini Jardim Criado, Carlos D'Apparecida Santos Machado, Juliana Milhomem Tamanini, Cristina van Blarcum de Graaff Mello, Carolina Speyer
BACKGROUND: Chronic urticaria is characterized by transient, pruritic lesions of varying sizes, with central pallor and well-defined edges, with disease duration longer than six weeks. Its cellular infiltrate consists of neutrophils, lymphocytes and eosinophils. There is a subgroup of patients with eosinophilic or neutrophilic urticaria, resistant to the treatment with antihistamines, but that respond to a combination of antihistamine with other drugs. OBJECTIVE: To evaluate the present infiltration in chronic urticaria biopsies and correlate it with the clinical disease activity and response to treatment...
November 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28095959/general-aviation-pilots-over-70-years-old
#4
Alpo Vuorio, Saryani Asmayawati, Bruce Budowle, Robin Griffiths, Timo Strandberg, Jaana Kuoppala, Antti Sajantila
BACKGROUND: Currently it is not unusual for general aviation pilots in the United States to continue to fly beyond the age of 70, even into their 80s and 90s. Pilots have regular examinations according to protocols which do not specify special or additional requirements for pilots over 70 yr of age. Additionally, the third class medical reforms passed by the U.S. Senate on 15 July 2016 could potentially result in even less stringent medical certification requirements for general aviation pilots...
February 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28094108/analysis-of-primary-treatment-and-prognosis-of-spontaneous-urticaria
#5
Toshihiko Tanaka, Makiko Hiragun, Michihiro Hide, Takaaki Hiragun
BACKGROUND: The prognosis of spontaneous urticaria in association with early treatment remains unclear. In this study, we retrospectively studied the prognosis of acute spontaneous urticaria in relation to age and treatments in a local clinic of dermatology. METHODS: Out of 5000 patients who visited an office dermatology clinic, clinical records of patients with spontaneous urticaria were extracted. Their prognosis and the relation to age and treatments were analyzed by the Kaplan-Meier method and generalized Wilcoxon test...
January 13, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28088250/pre-hospital-treatment-of-bee-and-wasp-induced-anaphylactic-reactions-a-retrospective-study
#6
Athamaica Ruiz Oropeza, Søren Mikkelsen, Carsten Bindslev-Jensen, Charlotte G Mortz
BACKGROUND: Bee and wasp stings are among the most common triggers of anaphylaxis in adults representing around 20% of fatal anaphylaxis from any cause. Data of pre-hospital treatment of bee and wasp induced anaphylactic reactions are sparse. This study aimed to estimate the incidence of bee and wasp induced anaphylactic reactions, the severity of the reactions and to correlate the pre-hospital treatment with the severity of the anaphylactic reaction. METHODS: Retrospective and descriptive study based on data from the Mobile Emergency Care Units (MECUs) in the Region of Southern Denmark (2008 only for Odense and 2009-2014 for the whole region)...
January 14, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/28087893/brompheniramine-as-a-novel-probe-for-indirect-uv-detection-and-its-application-for-the-capillary-electrophoresis-of-adamantane-drugs
#7
Pornpan Prapatpong, Brompoj Prutthiwanasan, Nantana Nuchtavorn, Sawanya Buranaphalin, Leena Suntornsuk
Brompheniramine, an antihistamine drug, was employed as a novel UV probe for capillary electrophoresis with indirect UV detection of adamantane drugs (memantine, amantadine, and rimantadine). The probe possesses high molar absorptivity of 24 × 10(3) L/mol cm at 6 mM, which enables the measurement of these non-chromophore analytes without derivatization. The simple background electrolyte (10 mM sodium dihydrogen phosphate (pH 5.0) containing 5 mM brompheniramine and 6 mM β-cyclodextrin) provided the separation of the analytes in a short time (7...
January 14, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28081586/a-case-of-levocetirizine-induced-liver-injury
#8
Moon Chan Jung, Ja Kyung Kim, Jae Yeon Cho, Jae Won Song, Bohyun Lee, Ji Won Park, Jinwon Seo, Sung Eun Kim
Levocetirizine is a second-generation nonsedative antihistaminic agent that has been demonstrated to be safe and effective for treating allergic disease. There was only one case report of levocetirizine-induced liver toxicity, but a liver biopsy was not performed. In this article, we present the first case of levocetirizine-induced liver injury with histologic findings. A 48-year-old man was hospitalized with jaundice and generalized pruritus that had developed after 2 months of therapy with levocetirizine for prurigo nodularis...
December 2016: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/28070872/sedative-effects-of-levocetirizine-a-systematic-review-and-meta-analysis-of-randomized-controlled-studies
#9
REVIEW
Kornkiat Snidvongs, Kachorn Seresirikachorn, Likhit Khattiyawittayakun, Wirach Chitsuthipakorn
INTRODUCTION: As a substrate of P-glycoprotein, levocetirizine should not cause sedative effects. However, while cetirizine, a mixture of levocetirizine and dextrocetirizine, can slightly penetrate the blood brain barrier, the sedative effects of levocetirizine are still under study. OBJECTIVES: The aim of this study was to investigate the sedative effects of levocetirizine. METHODS: An electronic literature search was performed using Medline and EMBASE from January 01, 2001 through August 6, 2015...
January 9, 2017: Drugs
https://www.readbyqxmd.com/read/28070650/revision-total-knee-arthroplasty-due-to-bone-cement-and-metal-hypersensitivity
#10
Ioannis P Stathopoulos, Nicolaos Andrianopoulos, Dimitrios Paschaloglou, Ioannis Tsarouchas
INTRODUCTION: Hypersensitivity to implants is a rare complication of total knee arthroplasty (TKA). Metal and, less frequently, bone cement can produce allergic symptomatology that if unresponsive to conservative treatment could lead to revision. MATERIALS AND METHODS: We present the case of a patient with generalized pruritus and metal taste starting during the first postoperative month after TKA. Dermal allergy exams revealed that the patient had hypersensitivity to nickel sulphate and cobalt chloride and bone cement...
January 9, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28066116/perception-of-pharmacists-regarding-over-the-counter-medication-a-survey
#11
Abinaya Ravichandran, Asha Basavareddy
OBJECTIVE: To assess knowledge, attitude, and practice of the pharmacists toward dispensing the over-the-counter (OTC) medications using questionnaire. MATERIALS AND METHODS: cross-sectional questionnaire-based study was conducted to assess the knowledge, attitude, and practice among pharmacists regarding OTC medications. Eighty out of hundred filled questionnaires were received from various pharmacists from medical shops in and around Kolar. Data were analyzed using descriptive statistics...
November 2016: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/28066101/comparison-of-efficacy-safety-and-cost-effectiveness-of-montelukast-levocetirizine-and-montelukast-fexofenadine-in-patients-of-allergic-rhinitis-a-randomized-double-blind-clinical-trial
#12
Mohini Sachin Mahatme, Ganesh Natthuji Dakhale, Kanchan Tadke, Sachin Keshaorao Hiware, S D Dudhgaonkar, Sumit Wankhede
OBJECTIVES: Allergic rhinitis (AR) is a global health problem. Almost 10%-25% of population worldwide is affected by AR. Oral/intranasal H1-antihistamine, decongestants, leukotriene receptor antagonists, and intranasal corticosteroids are the pillars in the management of AR. The combination therapy of montelukast with antihistaminic provides enhancing and complimentary effects, thereby reducing the symptoms effectively, but there are scanty data regarding the comparisons of combinations...
November 2016: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/28062882/anaphylaxis-in-children-experience-of-485-episodes-in-1-272-482-patient-attendances-at-a-tertiary-paediatric-emergency-department-from-2007-to-2014
#13
Sashikumar Ganapathy, Zaw Lwin, Daniel Ha Ting, Lynette Sh Goh, Shu Ling Chong
Introduction: Anaphylaxis is a predominantly childhood disease. Most of the literature on anaphylaxis has emerged from Western countries. This study aimed to describe the incidence, triggers and clinical presentation of anaphylaxis among children in Singapore, look for predictors for anaphylaxis with severe outcomes, and study the incidence of biphasic reactions. Materials and Methods: We retrospectively reviewed records of children presenting with anaphylaxis to our paediatric emergency department from 1 January 2007 to 31 December 2014...
December 2016: Annals of the Academy of Medicine, Singapore
https://www.readbyqxmd.com/read/28061317/diffuse-urticarial-reaction-associated-with-titanium-dioxide-following-laser-tattoo-removal-treatments
#14
Hal Bret Willardson, Todd T Kobayashi, Jason G Arnold, Chad M Hivnor, Casey D Bowen
IMPORTANCE: Local and generalized allergic reactions following laser tattoo removal have been documented, but are rare. To our knowledge, this is the fourth documented case of widespread urticarial eruptions following laser tattoo removal treatment. Unlike previously documented cases, this patient's reaction was found to be associated with titanium dioxide within the tattoo and her symptoms were recalcitrant to medical therapy. OBSERVATIONS: A 46-year-old female experienced diffuse urticarial plaques, erythema, and pruritis following multiple laser tattoo removal treatments with an Nd:YAG laser...
January 2, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28058761/d-optimal-mixture-design-optimization-of-a-hplc-method-for-simultaneous-determination-of-commonly-used-antihistaminic-parent-molecules-and-their-active-metabolites-in-human-serum-and-urine
#15
Selvakumar Kanthiah, Kannappan Valliappan
This present study describes a specific, precise, sensitive and accurate method for simultaneous determination of hydroxyzine, loratadine, terfenadine, rupatadine and their main active metabolites cetirizine, desloratadine and fexofenadine in serum and urine by using meclizine as an internal standard. Solid phase extraction method for sample clean-up and preconcentration of analytes was carried out by using Phenomenex Strata-X-C and Strata X polymeric cartridges. Chromatographic analysis was performed on a Phenomenex cyano (150 mm x 4...
January 6, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28057164/role-of-pregabalin-in-management-of-pruritus-a-literature-review
#16
Nazanin Foroutan, Naemeh Nikvarz
Pruritus can be one of the distressing symptoms of many dermatologic, systemic, neurologic or psychiatric disorders. In each case, the origin of itch is in the skin and/or the nervous system. Involvement of the nervous system causes neurogenic, psychogenic or neuropathic itch. Itch sensation is transferred to the central nervous system via unmyelinated C-type nerve fibers, and many mediators and receptors engage in the its induction and transmission. Also it has been demonstrated that there are similarities and interactions between neurotransmitters and pathways of pain and itch sensation...
October 2016: Journal of Pharmacy & Pharmaceutical Sciences: a Publication of the Canadian Society for Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28052800/clinical-diagnosis-and-management-of-anaphylaxis-in-infancy
#17
Emine Dibek Misirlioglu, Emine Vezir, Müge Toyran, Murat Capanoglu, Hakan Guvenir, Ersoy Civelek, Can Naci Kocabas
BACKGROUND: Anaphylaxis is increasingly reported in infancy. Diagnosis and management of anaphylaxis is difficult, and data are limited in infants. The aim of the present study was to determine the clinical course and management strategies used for anaphylaxis in infancy. METHODS: Patients attending to our clinic and who had anaphylaxis under 2 years old were evaluated. Sixty-three patients were enrolled for the study. The mean ± standard deviation age was 10.6 ± 6...
January 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28050397/ofloxacin-induced-angioedema-a-rare-adverse-drug-reaction
#18
Gautam Rawal, Sankalp Yadav, Raj Kumar, Umar Rasool Wani
The Adverse Drug Reaction (ADR) to a commonly prescribed anti-microbial can pose a major public health problem. The authors report a rare case of 24-year-old young lady who presented with angioedema of lips after ingestion of Ofloxacin, prescribed to her for treatment of loose motions. Fluoroquinolones are widely prescribed antibiotics for various disease conditions. The history, clinical examination and normal laboratory parameters led to the diagnosis of ofloxacin induced hypersensitivity reaction and the patient was successfully treated with corticosteroids and antihistamines...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28040476/asp73-dependent-and-independent-regulation-of-the-affinity-of-ligands-for-human-histamine-h1-receptors-by-na
#19
Shigeru Hishinuma, Kiyoe Kosaka, Chizuru Akatsu, Yoshihiro Uesawa, Hiroyuki Fukui, Masaru Shoji
The affinity of ligands for G-protein-coupled receptors (GPCR) is allosterically regulated by Na(+) via a highly conserved aspartate residue (Asp(2.50)) in the second transmembrane domain of GPCRs. In the present study, we examined the Na(+)-mediated regulation of the affinity of ligands for Gq/11-protein-coupled human histamine H1 receptors in Chinese hamster ovary cells. The affinities of 3 agonists and 20 antihistamines were evaluated by their displacement curves against the binding of [(3)H]-mepyramine to membrane preparations in the presence or absence of 100 mM NaCl...
December 28, 2016: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28039911/effective-suppression-of-atrial-fibrillation-by-the-antihistaminic-agent-antazoline-first-experimental-insights-into-a-novel-antiarrhythmic-agent
#20
Gerrit Frommeyer, Magdalena Sterneberg, Dirk G Dechering, Sven Kaese, Nils Bögeholz, Christian Pott, Michael Fehr, Harilaos Bogossian, Peter Milberg, Lars Eckardt
INTRODUCTION: The antihistaminic antazoline (ANT) was reported to be highly effective and safe for rapid conversion of atrial fibrillation (AF). We therefore analyzed underlying mechanisms in an experimental whole-heart model. METHODS AND RESULTS: Isolated and retrogradely perfused rabbit hearts underwent a standardized protocol employing atrial burst pacing induced AF in 5 of 20 hearts under baseline conditions (7 episodes). Thereafter, a combination of acetylcholine and isoproterenol was employed to enhance AF occurrence...
December 31, 2016: Cardiovascular Therapeutics
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