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https://www.readbyqxmd.com/read/29333893/syringe-administration-of-epinephrine-by-emergency-medical-technicians-for-anaphylaxis
#1
Andrew J Latimer, Sofia Husain, Jonathan Nolan, Vinod Doreswamy, Thomas D Rea, Michael R Sayre, Mickey S Eisenberg
OBJECTIVE: In recent years, the costs of epinephrine autoinjectors (EAIs) in the United States have risen substantially. King County Emergency Medical Services implemented the "Check and Inject" program to replace EAIs by teaching emergency medical technicians (EMTs) to manually aspirate epinephrine from a single-use 1 mg/mL epinephrine vial using a needle and syringe followed by prehospital intramuscular administration of the correct adult or pediatric dose of epinephrine for anaphylaxis or serious allergic reaction...
January 15, 2018: Prehospital Emergency Care
https://www.readbyqxmd.com/read/29331070/how-does-dose-impact-on-the-severity-of-food-induced-allergic-reactions-and-can-this-improve-risk-assessment-for-allergenic-foods
#2
REVIEW
Anthony E J Dubois, Paul J Turner, Jonathan Hourihane, Barbara Ballmer-Weber, Kirsten Beyer, Chan Chun-Han, M Hazel Gowland, Sue O'Hagan, Lynne Regent, Ben Remington, Sabine Schnadt, Thomas Stroheker, René W R Crevel
Quantitative risk assessment for food allergens has made considerable progress in recent years, yet acceptability of its outcomes remains stymied because of the limited extent to which it has been possible to incorporate severity as a variable. Reaction severity, particularly following accidental exposure, depends on multiple factors, related to the allergen, the host and any treatments which might be administered. Some of these factors are plausibly still unknown. Quantitative risk assessment shows that limiting exposure through control of dose reduces the rates of reactions in allergic populations, but its impact on the relative frequency of severe reactions at different doses is unclear...
January 13, 2018: Allergy
https://www.readbyqxmd.com/read/29331065/component-resolved-diagnostics-to-direct-in-venom-immunotherapy-important-steps-towards-precision-medicine
#3
Simon Blank, Maria Beatrice Bilò, Markus Ollert
Stings of Hymenoptera can induce IgE-mediated systemic and even fatal allergic reactions. Venom-specific immunotherapy (VIT) is the only disease-modifying and curative treatment of venom allergy. However, choosing the correct venom for VIT represents a necessary prerequisite for efficient protection against further anaphylactic sting reactions after VIT. In the past, therapeutic decisions based on the measurement of specific IgE (sIgE) levels to whole venom extracts were not always straightforward, especially when the patient was not able to identify the culprit insect...
January 13, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29331045/the-urgent-need-for-a-harmonized-severity-scoring-system-for-acute-allergic-reactions
#4
Antonella Muraro, Montserrat Fernandez-Rivas, Kirsten Beyer, Victòria Cardona, Andrew Clark, Esben Eller, Jonathan O'B Hourihane, Marek Jutel, Aziz Sheikh, Ioana Agache, Katrina J Allen, Liz Angier, Barbara Ballmer-Weber, Maria Beatrice Bilò, Carsten Bindslev-Jensen, Carlos A Camargo, Antonella Cianferoni, Audrey DunnGalvin, Philippe A Eigenmann, Susanne Halken, Karin Hoffmann-Sommergruber, Susanne Lau, Caroline Nilsson, Lars K Poulsen, Franziska Rueff, Jonathan Spergel, Gunter Sturm, Frans Timmermans, Maria J Torres, Paul Turner, Ronald van Ree, Magnus Wickman, Margitta Worm, E N Clare Mills, Graham Roberts
The accurate assessment and communication of the severity of acute allergic reactions is important to patients, clinicians, researchers, the food industry, public health and regulatory authorities. Severity has different meanings to different stakeholders with patients and clinicians rating the significance of particular symptoms very differently. Many severity scoring systems have been generated, most focusing on the severity of reactions following exposure to a limited group of allergens. They are heterogeneous in format, none has used an accepted developmental approach and none has been validated...
January 13, 2018: Allergy
https://www.readbyqxmd.com/read/29327730/eosinophil-derived-ccl-6-impairs-hematopoietic-stem-cell-homeostasis
#5
Chao Zhang, Weiwei Yi, Fei Li, Xufei Du, Hu Wang, Ping Wu, Chao Peng, Man Luo, Wen Hua, Catherine Cl Wong, James J Lee, Wen Li, Zhihua Chen, Songmin Ying, Zhenyu Ju, Huahao Shen
Eosinophils (Eos) have been long considered as end-stage effector cells in the hierarchical hematopoietic system. Numerous lines of evidence have suggested that Eos are multifunctional leukocytes with respect to the initiation, propagation and regulation of various inflammatory or immune reactions, especially in allergic diseases. Recent studies have shown that Eos are also required for maintenance of bone marrow plasma cells and differentiation of B cells. However, it remains unclear whether Eos contributes to regulation of hematopoietic stem cell (HSC) homeostasis...
January 12, 2018: Cell Research
https://www.readbyqxmd.com/read/29327359/contact-sensitization-in-dental-technicians-with-occupational-contact-dermatitis-data-of-the-information-network-of-departments-of-dermatology-ivdk-2001-2015
#6
Annice Heratizadeh, Thomas Werfel, Steffen Schubert, Johannes Geier
BACKGROUND: Dental technicians (DTs) are at increased risk for allergic contact sensitization. OBJECTIVES: To assess the current spectrum of occupational sensitization in DTs with occupational contact dermatitis (OCD). METHODS: A retrospective analysis of Information Network of Departments of Dermatology patch test data from the years 2001-2015 concerning DTs with OCD was performed. RESULTS: Patients of the study group (226 DTs with OCD) were significantly more often diagnosed with allergic contact dermatitis (37...
January 12, 2018: Contact Dermatitis
https://www.readbyqxmd.com/read/29322530/chromium-iii-release-from-chromium-tanned-leather-elicits-allergic-contact-dermatitis-a-use-test-study
#7
Yolanda S Hedberg, Behnaz Erfani, Mihály Matura, Carola Lidén
BACKGROUND: Chromium (Cr) is a common skin sensitizer. The use of Cr(VI) in leather is restricted in the EU, but that of Cr(III) is not. OBJECTIVES: To assess whether prolonged exposure to Cr-tanned leather with mainly Cr(III) release may elicit allergic contact dermatitis in Cr-allergic individuals. METHOD: Ten Cr-allergic subjects and 22 controls were patch tested with serial dilutions of Cr(III) and Cr(VI), and with leather samples. They then conducted a use test with a Cr-tanned and a Cr-free leather bracelet over a period of 3 weeks, for 12 h per day...
January 11, 2018: Contact Dermatitis
https://www.readbyqxmd.com/read/29322510/lolium-perenne-peptide-immunotherapy-is-well-tolerated-and-elicits-a-protective-b-cell-response-in-seasonal-allergic-rhinitis-patients
#8
R Mösges, A F Koch, E Raskopf, J Singh, K Shah-Hosseini, B Hauswald, Y Yarin, F Corazza, L Haazen, S Pirotton, S Allekotte, G Zadoyan, T Legon, S R Durham, M H Shamji
BACKGROUND: Systemic allergic reactions are a risk for allergen immunotherapy that utilizes intact allergen preparations. We evaluated the safety, efficacy and immune mechanisms of short-course treatment with adjuvant-free Lolium perenne peptides (LPP) following a 6-week dose-escalation protocol. METHODS: In a prospective, dose-escalation study, 61 grass pollen-allergic patients received 2 subcutaneous injections of LPP once weekly for 6 weeks. Safety was assessed evaluating local reactions, systemic reactions and adverse events...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29319896/skin-inflammation-exacerbates-food-allergy-symptoms-in-epicutaneously-sensitized-mice
#9
Akiko Kawasaki, Naohiro Ito, Hiroki Murai, Motoko Yasutomi, Hironobu Naiki, Yusei Ohshima
BACKGROUND: Cutaneous exposure to food antigen through impaired skin barrier has been shown to induce epicutaneous sensitization, thereby causing IgE-mediated food allergies. OBJECTIVE: We examined whether skin barrier impairment following epicutaneous sensitization exacerbates food allergies. METHODS: BALB/c mice were epicutaneously sensitized by repeated application of ovalbumin (OVA) to MC903-pretreated ear skin for 48 hours weekly and then intragastrically challenged with OVA...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29319881/systemic-il-2-anti-il-2ab-complex-combined-with-sublingual-immunotherapy-suppresses-experimental-food-allergy-in-mice-through-induction-of-mucosal-regulatory-t-cells
#10
Paola L Smaldini, Fernando Trejo, José L Cohen, Eliane Piaggio, Guillermo H Docena
Therapeutic tolerance restoration has been proven to modify food allergy in patients and animal models and although sublingual immunotherapy (SLIT) has showed promise, combined therapy may be necessary to achieve a strong and long-term tolerance. In this work, we combined SLIT with systemic administration of IL-2 associated with an anti-IL-2 monoclonal antibody (IL-2/anti-IL-2Ab complex or IL-2C) to reverse the IgE-mediated experimental allergy. Balb/c mice were sensitized with cholera toxin and milk proteins and orally challenged with allergen to elicit hypersensitivity reactions...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29318637/factors-increasing-the-risk-for-a-severe-reaction-in-anaphylaxis-an-analysis-of-data-from-the-european-anaphylaxis-registry
#11
Margitta Worm, Wojciech Francuzik, Jean-Marie Renaudin, Maria Beatrice Bilo, Victòria Cardona, Kathrin Scherer Hofmeier, Alice Köhli, Andrea Bauer, George Christoff, Ewa Cichocka-Jarosz, Thomas Hawranek, Jonathan O'B Hourihane, Lars Lange, Vera Mahler, Antonella Muraro, Nikolaos G Papadopoulos, Claudia Pföhler, Iwona Poziomkowska-Gęsicka, Franziska Ruëff, Thomas Spindler, Regina Treudler, Montserrat Fernandez-Rivas, Sabine Dölle
BACKGROUND: Preventive measures to decrease the frequency and intensity of anaphylactic events are essential to provide optimal care for allergic patients. Aggravating factors may trigger or increase the severity of anaphylaxis and therefore need to be recognized and avoided. OBJECTIVE: To identify and prioritize factors associated with an increased risk of developing severe anaphylaxis. METHODS: Data from the Anaphylaxis Registry (122 centers in 11 European countries) was used in logistic regression models considering existing severity grading systems, elicitors, and symptoms to identify the relative risk of factors on the severity of anaphylaxis...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29318576/comparing-transfusion-reaction-risks-for-various-plasma-products-an-analysis-of-7%C3%A2-years-of-istare-haemovigilance-data
#12
Nicholas H Saadah, Johanna G van der Bom, Johanna C Wiersum-Osselton, Clive Richardson, Rutger A Middelburg, Constantina Politis, Philippe Renaudier, Pierre Robillard, Martin R Schipperus
Plasma transfusions may result in transfusion reactions. We used the International Surveillance of Transfusion-Associated Reactions and Events (ISTARE) database, containing yearly reported national annual aggregate data on transfusion reactions from participating countries, to investigate risks of plasma transfusion reactions and compare transfusion reaction risks for different plasma types. We calculated risks for plasma transfusion reactions and compared transfusion reaction risks between plasma types using random effects regression on repeated measures...
January 9, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29315922/the-use-of-omalizumab-in-allergen-immunotherapy
#13
Jennifer A Dantzer, Robert A Wood
Although omalizumab (anti-IgE) is currently only approved for the treatment of asthma and chronic idiopathic urticaria, it has also been studied as an off-label treatment for numerous allergic conditions, including use as an adjunct to allergen immunotherapy in the treatment of allergic rhinitis, asthma, venom hypersensitivity, and food allergy. We conducted a review of publications involving the use of omalizumab with allergen immunotherapy, by searching PubMed with key search terms of "omalizumab" and "immunotherapy...
January 5, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29314514/non-immediate-heparin-and-heparinoid-cutaneous-allergic-reactions-a-role-for-fondaparinux
#14
Elina Tan, Grace Thompson, Charlotta Ekstrom, Michaela Lucas
Non-immediate allergic cutaneous reactions to heparins have been increasingly reported, typically manifesting as large, eczematous plaques at sites of subcutaneous injection. Patients may demonstrate cross-reactivity between unfractionated heparin, low molecular weight heparin and semi-synthetic heparinoids, making finding an alternative difficult. Fondaparinux has been identified as a useful alternative in such patients; here we present the first two documented cases in Australia and a literature review.
January 2018: Internal Medicine Journal
https://www.readbyqxmd.com/read/29314279/cow-s-milk-allergic-children-can-component-resolved-diagnostics-predict-duration-and-severity
#15
Thomas Houmann Petersen, Charlotte Gotthard Mortz, Carsten Bindslev-Jensen, Esben Eller
BACKGROUND: Cow's Milk Allergy (CMA) affects 2% of all children. This study investigates CRD to cow's milk proteins in children suspected for CMA, by correlating the level of CRD with outcome of the oral challenge. Furthermore, we evaluate the ability of serial CRD measurements to distinguish children with persistent CMA from children developing tolerance. METHODS: We included data from 78 children referred to the Allergy Centre during a 13 years period. Results from oral food challenges including threshold, severity and sensitization data (IgE antibodies to whole milk protein, IgE components towards milk and skin prick test (SPT)) were collected...
January 4, 2018: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29312657/mi-2-methyl-4-isothiazolin-3-one-contained-in-detergents-is-not-detectable-in-machine-washed-textiles
#16
Maja A Hofmann, Ana Giménez-Arnau, Werner Aberer, Carsten Bindslev-Jensen, Torsten Zuberbier
Background: European legislation has banned the preservative methylisothiazolinone (MI) from inclusion in leave-on cosmetics. However, the risk for allergic reactions depends on exposure. The aim of this study was to determine the risk of MI in laundry detergents for household machine washing. Methods: Different formulations of laundry detergents with commercial MI levels, up to one thousand ppm were used and three different types of clothes were washed in a normal household machine setting one time and 10 times...
2018: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/29306733/anisakis-spp-larvae-in-different-kinds-of-ready-to-eat-products-made-of-anchovies-engraulis-encrasicolus-sold-in-italian-supermarkets
#17
L Guardone, D Nucera, L B Lodola, L Tinacci, P L Acutis, A Guidi, A Armani
In this study the occurrence of visible anisakid larvae in semi-preserved anchovy products sold on the Italian market was investigated. Totally, 107 ready to eat products (33 salted-ripened, 49 in oil and 25 marinated) were sampled. Each sample was digested, then the digested material was observed under natural and UV light. Parasites were counted, collected and microscopically identified to genus level. A representative subset was molecularly identified using the cox2 gene. At least one visible Anisakis sp...
January 4, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29306152/characterization-of-16-kda-major-allergen-with-%C3%AE-amylase-inhibitor-domain-in-tartary-buckwheat-seeds
#18
Bei Zheng, Haina Zhang, Lei Wang, Yanfei Guo, Peng Chen
Tartary buckwheat (Fagopyrum tataricum, TB) is an important functional food containing proteins with balanced amino acid composition and more flavonoids than common buckwheat (Fagopyrum esculentum, CB). Buckwheat contains highly potent allergens that trigger an allergic reaction via an IgE mediated response. In this work, the full-length cDNA encoding Fag t 2 from tartary buckwheat seeds was cloned by screening the cDNA library of seed-filling period. The recombinant Fag t 2 (rFag t 2) expressed in Pichia pastoris SMD1168H was purified by purified by immobilized metal affinity chromatography...
January 3, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29305764/the-role-and-diagnosis-of-allergic-contact-dermatitis-in-patients-with-atopic-dermatitis
#19
Joshua L Owen, Paras P Vakharia, Jonathan I Silverberg
Patients with atopic dermatitis (AD) have increased penetration of allergens, immune dysregulation (including shared cytokine pathways), and frequent use of emollients and topical medications, all of which may predispose toward developing allergic contact dermatitis (ACD). Recent systematic reviews have suggested that ACD is a significant clinical problem in both children and adults with AD. While this remains controversial, ACD remains an important comorbidity and potential exacerbant of AD in clinical practice...
January 5, 2018: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/29300311/the-suppressive-activity-of-fucofuroeckol-a-derived-from-brown-algal-ecklonia-stolonifera-okamura-on-uvb-induced-mast-cell-degranulation
#20
Thanh Sang Vo, Se-Kwon Kim, BoMi Ryu, Dai Hung Ngo, Na-Young Yoon, Long Giang Bach, Nguyen Thi Nhat Hang, Dai Nghiep Ngo
UV light, especially UVB, is known as a trigger of allergic reaction, leading to mast cell degranulation and histamine release. In this study, phlorotannin Fucofuroeckol-A (F-A) derived from brown algal Ecklonia stolonifera Okamura was evaluated for its protective capability against UVB-induced allergic reaction in RBL-2H3 mast cells. It was revealed that F-A significantly suppress mast cell degranulation via decreasing histamine release as well as intracellular Ca2+ elevation at the concentration of 50 μM...
January 4, 2018: Marine Drugs
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