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Idiopathic anaphylaxis

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https://www.readbyqxmd.com/read/29123910/management-of-pediatric-cannot-intubate-cannot-oxygenate
#1
Yohei Okada, Wataru Ishii, Norio Sato, Hirokazu Kotani, Ryoji Iiduka
Case: "Cannot intubate, cannot oxygenate" (CICO) is a rare, life-threatening situation. We describe a pediatric case of CICO and highlight some educational points.A 3-year-old boy who collapsed in the bathtub came to our emergency department. On admission, he went into cardiac arrest probably because of an airway obstruction. We judged his condition as CICO and carried out an emergent tracheostomy after several attempts to perform a cricothyroidotomy failed. We continued resuscitation; however, circulation did not return spontaneously...
October 2017: Acute Medicine & Surgery
https://www.readbyqxmd.com/read/29083476/pigeon-tick-bite-a-neglected-cause-of-idiopathic-nocturnal-anaphylaxis
#2
Giovanni Rolla, Enrico Heffler, Monica Boita, Virginie Doyen, Michel Mairesse, Milada Cvackova, Sébastien Debarbieux, Jörg Kleine-Tebbe, Markus Ollert, Monika Raulf, Andreas J Bircher, Christiane Hilger
Anaphylaxis is a serious systemic allergic reaction with rapid onset and potentially life-threatening. We report in detail a case of severe nocturnal anaphylaxis due to pigeon tick bite showing the diagnostic value of the extract and the recombinant allergen in the diagnostic procedures (basophil activation test, IgE-immunoblot and experimental ImmunoCAP). Apart from the presented case we describe that, during the last 10 years, we have collected 28 cases of allergy to Argas reflexus from several European countries...
October 30, 2017: Allergy
https://www.readbyqxmd.com/read/28890861/idiopathic-anaphylaxis
#3
REVIEW
Bright I Nwaru, Sangeeta Dhami, Aziz Sheikh
Idiopathic anaphylaxis is a rare life-threatening disorder with symptoms similar to other forms of anaphylaxis. There is lack of a robust evidence base underpinning the treatment of anaphylaxis and even less so for idiopathic anaphylaxis. Much of the evidence therefore comes from relatively small case series and expert opinion. Idiopathic anaphylaxis is a diagnosis of exclusion, requiring a thorough history and careful diagnostic work-up investigating possible triggers and underlying predisposing factors. Key diagnostic tests include skin-prick testing, tests for specific-IgE, component-resolved diagnostics, and in some cases for allergen challenge tests...
2017: Current Treatment Options in Allergy
https://www.readbyqxmd.com/read/28780940/diagnosis-and-management-of-anaphylaxis-in-precision-medicine
#4
REVIEW
Mariana Castells
Anaphylaxis is the most severe and frightening of the allergic reactions, placing patients at high risk and demanding prompt recognition and immediate management by health care providers. Yet because its symptoms imitate those of other diseases, such as asthma and urticaria, current data suggest that its diagnosis is often missed, with underuse of tryptase measurement; its treatment is delayed, with little use of epinephrine; and its underlying cause or causes are poorly investigated. Deaths from anaphylaxis are difficult to investigate because of miscoding...
August 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28747843/omalizumab-s-role-in-the-treatment-of-steroid-dependent-malignant-idiopathic-anaphylaxis
#5
Öner Özdemir, Hayrunnisa Bekis Bozkurt, Bahri Elmas
If an anaphylaxis episode is not caused by an identifiable trigger, it is defined as idiopathic anaphylaxis. Although it is rarely observed, idiopathic anaphylaxis is clinically significant because of its morbidity and fatality risk. No effective treatment has been demonstrated to date. We report a girl aged 16 years who had had malignant idiopathic anaphylaxis since the age of 12 years who was treated successfully with omalizumab. Although she avoided allergic trigger foods such as tomato and seafood, she used to have these attacks twice a week...
June 2017: Türk Pediatri Arşivi
https://www.readbyqxmd.com/read/28671445/acute-and-chronic-urticaria-evaluation-and-treatment
#6
REVIEW
Paul Schaefer
Urticaria commonly presents with intensely pruritic wheals, sometimes with edema of the subcutaneous or interstitial tissue. It has a lifetime prevalence of about 20%. Although often self-limited and benign, it can cause significant discomfort, continue for months to years, and uncommonly represent a serious systemic disease or life-threatening allergic reaction. Urticaria is caused by immunoglobulin E- and non-immunoglobulin E-mediated release of histamine and other inflammatory mediators from mast cells and basophils...
June 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28670695/meat-allergy-associated-with-%C3%AE-gal-closing-diagnostic-gaps-by-anti-%C3%AE-gal-ige-immune-profiling
#7
U Jappe, S Minge, B Kreft, A Ludwig, B Przybilla, A Walker, R Varga, P Seidel, T Biedermann, W Anemüller, A Kromminga, F Ruëff, H Merk, N Wagner, R Treudler, M Worm, I Waldmann, J Saloga, W M Becker, T Goldmann, T A Platts-Mills, A Homann
BACKGROUND: Glycoproteins and glycolipids of some mammalian species contain the disaccharide galactosyl-α-(1,3)-galactose (α-Gal). It is known that α-Gal is immunogenic in humans and causes glycan-specific IgG and also IgE responses with clinical relevance. α-Gal is part of the IgE-reactive monoclonal therapeutic antibody cetuximab and is associated with delayed anaphylaxis to red meat. In this study, different alpha-Gal-containing analytes are examined in singleplex and multiplex assays to resolve individual sensitization patterns with IgE against α-Gal...
July 3, 2017: Allergy
https://www.readbyqxmd.com/read/28629749/a-distinct-biomolecular-profile-identifies-monoclonal-mast-cell-disorders-in-patients-with-idiopathic-anaphylaxis
#8
Melody C Carter, Avanti Desai, Hirsh D Komarow, Yun Bai, Sarah T Clayton, Alicia S Clark, Karina N Ruiz-Esteves, Lauren M Long, Daly Cantave, Todd M Wilson, Linda M Scott, Olga Simakova, Mi-Yeon Jung, Jamie Hahn, Irina Maric, Dean D Metcalfe
BACKGROUND: Clonal mast cell disorders are known to occur in a subset of patients with systemic reactions to Hymenoptera stings. This observation has prompted the question of whether clonal mast cell disorders also occur in patients with idiopathic anaphylaxis (IA). OBJECTIVE: We sought to determine the prevalence of clonal mast cell disorders among patients with IA, criteria to identify those patients who require a bone marrow biopsy, and whether the pathogenesis of IA involves a hyperresponsive mast cell compartment...
June 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28583235/type-1-kounis-syndrome-in-a-patient-with-idiopathic-anaphylaxis
#9
Monica Sandhu, Jason Casselman, Brian Peppers, Haig Tcheurekdjian, Robert W Hostoffer
Anaphylactic insults that cause cardiovascular signs and symptoms have been defined as Kounis syndrome, which has been associated with specific triggered anaphylactic reactions. Kounis syndrome has not been described in patients with no evidence of coronary artery disease (type I Kounis) in a scenario of idiopathic anaphylaxis. We reported a case of a 65-year-old white woman with no evidence of coronary artery disease who experienced two myocardial infarctions on separate occasions attributable to idiopathic anaphylaxis...
June 1, 2017: Allergy & Rhinology
https://www.readbyqxmd.com/read/28465562/activation-of-the-ileal-neuroendocrine-tumor-cell-line-p-sts-by-acetylcholine-is-amplified-by-histamine-role-of-h3r-and-h4r
#10
Beatrix Pfanzagl, Diana Mechtcheriakova, Anastasia Meshcheryakova, Stephan W Aberle, Roswitha Pfragner, Erika Jensen-Jarolim
Neuroendocrine tumors may present with pseudoallergic reactions like diarrhea and idiopathic anaphylaxis. Here we present the P-STS human ileal neuroendocrine cell line as a model cell line for these tumors. Neuroendocrine markers and changes in cytoplasmic calcium concentration ([Ca(2+)]i) in response to several possible activators of 5-hydroxytryptamine (5-HT) release were analyzed. P-STS cells still expressed chromogranin A and synaptophysin after 2 years of culture. Tryptophan hydroxylase 1 mRNA and a low amount of 5-HT were also detected...
May 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28390586/an-analysis-of-anaphylaxis-cases-at-a-single-pediatric-emergency-department-during-a-1-year-period
#11
Christopher D Wright, Mindy Longjohn, Phillip L Lieberman, Jay Adam Lieberman
BACKGROUND: Case series of anaphylaxis can vary regarding causes, treatments, and follow-up of patients. Unfortunately, case series that are specific to the pediatric population are few. OBJECTIVE: To describe confirmed cases of pediatric anaphylaxis in patients presenting to a pediatric hospital emergency department (ED). METHODS: We identified all ED visits with the International Classification of Diseases, Ninth Revision (ICD-9) codes 995...
April 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28255467/type-1-kounis-syndrome-in-patient-with-idiopathic-anaphylaxis
#12
Tajda Keber, Jana Makuc, Gregor Sekavčnik
Kounis syndrome represents the concurrence of acute coronary syndromes or anginal pain with allergic, hypersensitivity, and anaphylactic reactions. It can be associated with normal coronary angiogram or preexistent coronary pathology. Idiopathic anaphylaxis is defined as anaphylaxis without any identifiable precipitating agent or event. We present a case of male who experienced attacks of dyspnoea, hypoxemia, hypotension, purple-red skin, and chest pain over several years. He was diagnosed with idiopathic anaphylaxis...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28012935/idiopathic-systemic-capillary-leak-syndrome-clarkson-disease
#13
REVIEW
Kirk M Druey, Samir M Parikh
In 1960, Dr Bayard Clarkson described a woman experiencing sporadic recurrent episodes of shock and anasarca. Plasma from an acute attack induced a shock-like syndrome when injected into rats. The enigmatic systemic capillary leak syndrome (SCLS) named for Dr Clarkson is characterized by transient and severe but reversible hemoconcentration and hypoalbuminemia caused by leakage of fluids and macromolecules into tissues. Although less than 500 cases of SCLS have been reported in the literature since 1960, the condition is probably underdiagnosed because of a lack of awareness and a high mortality without treatment...
September 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28007089/epidemiology-of-anaphylaxis-at-a-tertiary-care-center-a-report-of-730-cases
#14
Alexei Gonzalez-Estrada, Stacy K Silvers, Asaf Klein, Katrina Zell, Xiao-Feng Wang, David M Lang
BACKGROUND: Recent data reveal that the rate of anaphylaxis is increasing and suggest that idiopathic anaphylaxis may account for most of these cases. OBJECTIVE: To determine the pattern of anaphylaxis at a tertiary care referral center. METHODS: A retrospective electronic medical record review spanning 12 years (2002-2013) identified patients with anaphylaxis. RESULTS: Of the 4,777 records reviewed, 730 patients met our anaphylaxis definition...
January 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/27886904/mastocytosis-and-anaphylaxis
#15
REVIEW
Anna Schuch, Knut Brockow
This article updates current knowledge on epidemiology, risk factors, triggers, and management of anaphylaxis in patients with mastocytosis. Hyperactive mast cells and higher number of effector mast cells are speculated to facilitate anaphylaxis in this condition. In children, increased risk is limited to those with extensive skin involvement and high tryptase. In adults, manifestations of anaphylaxis are severe with high frequency of cardiovascular symptoms. Hymenoptera stings are the most common triggers for these reactions; however, idiopathic anaphylaxis and reactions to food or drugs occur...
February 2017: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/27582405/a-multicenter-retrospective-case-study-of-anaphylaxis-triggers-by-age-in-korean-children
#16
So Yeon Lee, Kangmo Ahn, Jihyun Kim, Gwang Cheon Jang, Taek Ki Min, Hyeon Jong Yang, Bok Yang Pyun, Ji Won Kwon, Myung Hyun Sohn, Kyung Won Kim, Kyu Earn Kim, Jinho Yu, Soo Jong Hong, Jung Hyun Kwon, Sung Won Kim, Tae Won Song, Woo Kyung Kim, Hyung Young Kim, You Hoon Jeon, Yong Ju Lee, Hae Ran Lee, Hye Young Kim, Youngmin Ahn, Hye Yung Yum, Dong In Suh, Hyun Hee Kim, Jin Tack Kim, Jeong Hee Kim, Yong Mean Park, Sooyoung Lee
PURPOSE: Although anaphylaxis is recognized as an important, life-threatening condition, data are limited regarding its triggers in different age groups. We aimed to identify anaphylaxis triggers by age in Korean children. METHODS: We performed a retrospective review of medical records for children diagnosed with anaphylaxis between 2009 and 2013 in 23 secondary or tertiary hospitals in South Korea. RESULTS: A total of 991 cases (mean age=5...
November 2016: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/27299829/-bone-involvement-in-systemic-mastocytosis-report-of-two-cases
#17
Pablo Florenzano, Verónica Mezzano, Marcela Le-Bert, Gilberto González
Systemic mastocytosis (SM) is characterized by pathologic expansion and activation of mast cells. The main clinical manifestations of SM include skin involvement, gastrointestinal symptoms and anaphylaxis due to the release of its mediators. Thirty percent of pat ients with SM have a low bone mass and 20% fractures. At the same time, SM affects 10% of male patients with idiopathic osteoporosis. Measuring serum tryptase is essential for the screening of MS. We report two cases of SM with bone involvement. A 25-year- old woman with prior diagnosis of SM, based on skin involvement, flushing, high serum tryptase and compatible bone marrow (BM) biopsy and genetic study...
March 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/27277133/diagnoses-and-management-of-drug-hypersensitivity-and-anaphylaxis-in-cancer-and-chronic-inflammatory-diseases-reactions-to-taxanes-and-monoclonal-antibodies
#18
REVIEW
Rafael Bonamichi-Santos, Mariana Castells
Due to the increase in utilization of chemotherapies and antibodies, drug hypersensitivity reactions have increased dramatically worldwide, preventing the use of first-line therapies and impacting patients' survival and quality of life. Some of the more frequently used medications in cancer include taxanes for ovarian, lung, breast, and prostate cancers. Monoclonal antibodies are used in the treatment of neoplastic, autoimmune, and inflammatory diseases, and their clinical applications are becoming broader...
June 8, 2016: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/27126729/characteristics-of-anaphylaxis-in-907-chinese-patients-referred-to-a-tertiary-allergy-center-a-retrospective-study-of-1-952-episodes
#19
Nannan Jiang, Jia Yin, Liping Wen, Hong Li
PURPOSE: Comprehensive evaluation of anaphylaxis in China is currently lacking. In this study, we characterized the clinical profiles, anaphylactic triggers, and emergency treatment in pediatric and adult patients. METHODS: Outpatients diagnosed with "anaphylaxis" or "severe allergic reactions" in the Department of Allergy, Peking Union Medical College Hospital from January 1, 2000 to June 30, 2014 were analyzed retrospectively. RESULTS: A total of 1,952 episodes of anaphylaxis in 907 patients were analyzed (78% were adults and 22% were children)...
July 2016: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/27090058/treating-ige-mediated-diseases-via-targeting-ige-expressing-b-cells-using-an-anti-c%C3%AE%C2%B5mx-antibody
#20
REVIEW
Sean S Liour, Andrew Tom, Yueh-Hsuan Chan, Tse Wen Chang
Targeting the IgE pathway is a clinically validated strategy for treating IgE-mediated diseases. Omalizumab, an anti-IgE antibody, which binds to free IgE and prevents the binding of IgE to FcεRI on mast cells and basophils has been approved for severe persistent allergic asthma and chronic spontaneous (idiopathic) urticaria. The therapeutic efficacy of anti-IgE has also been reported in allergic rhinitis, allergic bronchopulmonary aspergillosis, latex allergy, atopic dermatitis, allergic urticaria, anaphylaxis, and others...
August 2016: Pediatric Allergy and Immunology
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