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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/29333846/-food-allergy-in-children-recommendations-for-diagnosis-and-treatment
#2
(no author information available yet)
Food allergy arises from a specific immune response induced by food exposure. It is the first cause of anaphylaxis in childhood. Its prevalence increased exponentially in western countries. The proteins most frequently involved in infants are cow's milk and hen's egg; and in adults, seafood. Peanuts have the same frequency in both groups. The clinical manifestations and methodology of study are directly related to the pathophysiology of the disease. Clinical history, skin prick test, patch test, and food oral challenge are essential to arrive at a correct diagnosis, that will avoid unnecessary exclusions or exposures that carry life risk...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29331682/post-mortem-tryptase-cut-off-level-for-anaphylactic-death
#3
R Tse, C X Wong, K Kesha, J Garland, Y Tran, S Anne, H Elstub, A D Cala, C Palmiere, K L Patchett
Serum mast cell tryptase is used to support the diagnosis of anaphylaxis. The recommended clinical cut-off for total tryptase (<11.4μg/L) appears unsuitable in the post mortem setting due to largely unknown processes which result in significantly elevated levels in these samples. Consequently there is no widely accepted tryptase cut-off level for diagnosing an anaphylactic death. This 5-year retrospective study compared total tryptase levels in post mortem femoral blood in anaphylactic deaths and control...
December 28, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29319896/skin-inflammation-exacerbates-food-allergy-symptoms-in-epicutaneously-sensitized-mice
#4
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/29319891/teicoplanin-anaphylaxis-associated-with-surgical-prophylaxis
#5
Tariq Azamgarhi, Ashik Shah, Simon Warren
BACKGROUND: The rate of true anaphylaxis to teicoplanin is currently unknown. METHODS: A case-series including all suspected anaphylactic reactions attributed to teicoplanin anaphylaxis within a single institution over a 29-month period were categorised according to the probability of true IgE mediated anaphylaxis using previously published criteria. The number of patients who receive Teicoplanin was determined and used to calculate the rate of IgE mediated anaphylaxis...
January 10, 2018: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29319538/-hidden-occupational-allergens-such-as-additives
#6
Santiago Quirce, Darío Antolín-Amérigo, Javier Domínguez-Ortega
PURPOSE OF REVIEW: With the development of innovative technologies, new agents are continually introduced to the workplace. Some of these agents can act as hidden allergens whenever they are not declared in the product labels or whenever their health hazards are unknown. This review article focuses on the identification and description of unusual and/or hidden allergens recently incriminated in occupational diseases. RECENT FINDINGS: Occupational exposure is an important global health issue that can induce respiratory and cutaneous disorders, as well as life-threatening anaphylaxis...
January 9, 2018: Current Opinion in Allergy and Clinical Immunology
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
#7
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/29314691/mastocytosis-pathogenesis-clinical-manifestation-and-treatment
#8
Nicola Wagner, Petra Staubach
The term mastocytosis designates a group of rare disorders characterized by typical skin lesions, frequently associated episodes of anaphylaxis, and clinical symptoms related to the release of various mediators. Dermatologists/allergists are frequently the first to establish the diagnosis. The condition is based on clonal mast cell proliferation, usually in the skin or bone marrow and only rarely in the gastrointestinal tract or other tissues. In general, mastocytosis has a good prognosis in terms of life expectancy...
January 2018: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/29313907/adverse-drug-reactions
#9
REVIEW
K Patton, D C Borshoff
Adverse drug reactions are a cause of significant morbidity and mortality to patients and a source of financial burden to the healthcare system. Of the wide spectrum of adverse drug reactions, the most concerning to the anaesthetist remain anaphylaxis and malignant hyperthermia. Although the incidence of anaphylaxis under anaesthesia is difficult to ascertain, it occurs commonly enough that most anaesthetists will manage at least one case in their career. The wide range of drugs given in the peri-operative period and the variable presentation in the anaesthetised patient can delay diagnosis and treatment, and adversely affect outcome...
January 2018: Anaesthesia
https://www.readbyqxmd.com/read/29306683/allergists-opinions-on-anaphylaxis-and%C3%A2-epinephrine-administration-a-case-based-survey
#10
Jay A Lieberman, Phil Lieberman, Julie Wang
No abstract text is available yet for this article.
January 4, 2018: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29303109/-protocols-related-to-food-allergies-and-intolerances-in-preschools-in-reykjavik-iceland
#11
Adalheidur Ran Thrastardottir, Frida Run Thordardottir, Johanna Torfadottir
INTRODUCTION: The aim of the study was to explore prevalence of food allergies and intolerances among children in preschools in Reykjavik, Iceland. Also, to investigate how well preschools maintain a safe environment for children with food allergies. MATERIALS AND METHODS: In 2014, a questionnaire designed specifically for this study, was sent to 65 preschools. Forty-nine participated (75%) representing a total of 4225 children. Prevalence of food allergy and intolerance was determined based on medical certificates from physi-cians delivered to the preschools...
January 2018: Læknablađiđ
https://www.readbyqxmd.com/read/29301800/catamenial-anaphylaxis-a-woman-under-monthly-progesterone-curse
#12
Kyawzaw Lin, Ameer Rasheed, Sithu Lin, Louis Gerolemou
Catamenial or cyclical anaphylaxis is a complex clinical syndrome with poorly reported incidence and prevalence in the literature review. The underlying mechanism is still a myth although a few proposed hypotheses are stated. Early recognition of these symptoms will bring optimal treatment and prevent unnecessary intubation and complications. Here, we present a 48-year-old woman without significant medical and family history with recurrent angioedema in the setting of catamenial anaphylaxis or cyclical anaphylaxis in the setting of progesterone hypersensitivity...
January 4, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29301119/cause-and-clinical-presentation-of-anaphylaxis-in-singapore-from-infancy-to-old-age
#13
Si Hui Goh, Jian Yi Soh, Wenyin Loh, Khai Pin Lee, Sze Chin Tan, Wei Jian Kenneth Heng, Irwani Ibrahim, Bee Wah Lee, Wen Chin Chiang
BACKGROUND: The study objective was to compare age-related differences in the cause and clinical presentation of anaphylaxis. METHODS: We conducted a prospective study of patients visiting the emergency department for anaphylaxis. Data were collected from 3 emergency departments from 1 April 2014 to 31 December 2015. Patient electronic records with the diagnoses of allergy, angioedema, urticaria, and anaphylaxis (ICD-9 codes 9953, 9951, 7080, 9950, 7089) were screened and cases fulfilling World Allergy Organisation criteria for anaphylaxis were included...
January 5, 2018: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29298144/ofatumumab-for-ttp-in-a-patient-with-anaphylaxis-associated-with-rituximab
#14
LETTER
Maeve P Crowley, Vickie McDonald, Marie Scully
No abstract text is available yet for this article.
January 4, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29284183/predicting-reactivity-threshold-in-children-with-anaphylaxis-to-peanut
#15
Tonje Reier-Nilsen, Merethe Melbye Michelsen, Karin C Lødrup Carlsen, Kai-Håkon Carlsen, Petter Mowinckel, Unni C Nygaard, Ellen Namork, Magnus P Borres, Geir Håland
BACKGROUND: Peanut allergy necessitates dietary restrictions, preferably individualised by determining reactivity threshold through an oral food challenge (OFC). However, risk of systemic reactions often precludes OFC in children with severe peanut allergy. OBJECTIVE: We aimed to determine if clinical and/or immunological characteristics were associated with reactivity threshold in children with anaphylaxis to peanut and secondarily, to investigate if these characteristics were associated with severity of the allergic reaction during OFC...
December 28, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29280268/obstetricians-awareness-associated-with-better-outcomes
#16
David A Eschenbach
Doctors are charged to treat disease while causing no harm. An anaphylactic reaction is the furthest from our mind in dispensing medication. However, an anaphylactic reaction to medication can cause serious harm and even death as outlined by McCall et al. (1). This report is a well-conducted and important prospective study. First, their strict definition of anaphylaxis included only patients with a life threatening airway problem, a life threatening breathing problem or a significant circulation problem. Second, they also used a semi-active surveillance system to both identify and report anaphylaxis monthly at individual hospitals...
December 27, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29278624/allergic-reactions-and-anesthesia
#17
Danijela Glibo Bevanda, Marko Čačić, Slobodan Mihaljević, Mateo Bevanda, Ante Bogut, Maja Karin
The diagnosis of allergic reactions during anesthesia is difficult. For example, cardio-respiratory symptoms may be due to the accompanying pharmacological effects of anesthetics and poor interpretation of the reaction during anesthesia. It is important to distinguish whether a real allergic reaction has occurred. Accidents with anesthetics and muscle relaxants are observed more often than we expect. Proper anaphylaxis rarely occurs during anesthesia (1: 20000). Muscle relaxants are the most common causes, followed by latex, chlorhexidine, antibiotics and opioids...
December 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/29277702/the-transcription-factors-gata2-and-mitf-regulate-hdc-gene-expression-in-mast-cells-and-are-required-for-ige-mast-cell-mediated-anaphylaxis
#18
Yapeng Li, Bing Liu, Laura Harmacek, Zijie Long, Jinyi Liang, Kara Lukin, Sonia M Leach, Brian O'Connor, Anthony N Gerber, James Hagman, Axel Roers, Fred D Finkelman, Hua Huang
BACKGROUND: Histamine is a critical mediator of IgE/mast cell-mediated anaphylaxis. Histamine is synthesized by decarboxylating the amino acid histidine, a reaction catalyzed by the Hdc-gene encoded enzyme histidine decarboxylase. However, regulation of the Hdc gene in mast cells is poorly understood. OBJECTIVE: We sought to investigate the in vivo regulation of IgE/mast cell mediated anaphylaxis by transcription factors GATA2 and MITF and the mechanisms by which GATA2 and MITF regulate Hdc gene expression in mouse and human mast cells...
December 22, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29277095/management-and-educational-status-of-adult-anaphylaxis-patients-at-emergency-department
#19
Mi-Yeong Kim, Chan Sun Park, Jae-Won Jeong
Background/Aims: We evaluated the management and educational status of adult anaphylaxis patients at emergency departments (EDs). Methods: Anaphylaxis patients who visited ED from 2011 to 2013 were enrolled from three hospitals. We analyzed clinical features, prior history of anaphylaxis, management and provided education for etiology and/or prevention. For analyzing associated factors with epinephrine injection, Pearson chi-square test was used by SPSS version 21 (IBM Co...
December 28, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29276560/envenomation-seizures
#20
Ghulam Abbas Kharal, Richard Ryan Darby, Adam B Cohen
Insect sting-related envenomation rarely produces seizures. We present a patient with confusion and seizures that began 24 hours after a yellow jacket (wasp) sting. Given the rapid onset and resolution of symptoms, as well as accompanying dermatological and orbital features, and the lack of any infectious or structural abnormalities identified, the toxic effect of the wasp venom (and related anaphylaxis reaction) was believed to be the cause of his presentation.
January 2018: Neurohospitalist
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