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Anaphylaxie

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https://www.readbyqxmd.com/read/29791521/specific-questionnaire-detects-a-high-incidence-of-intra-operative-hypersensitivity-reactions
#1
Laila S Garro, Marcelo V Aun, Iracy Sílvia C Soares, Marisa R Ribeiro, Antônio A Motta, Jorge Kalil, Mariana C Castells, Maria José C Carmona, Pedro Giavina-Bianchi
OBJECTIVE: To assess the incidence of intra-operative immediate hypersensitivity reactions and anaphylaxis. METHODS: A cross-sectional observational study was conducted at the Department of Anesthesiology, University of São Paulo School of Medicine, Hospital das Clínicas, São Paulo, Brazil, from January to December 2010. We developed a specific questionnaire to be completed by anesthesiologists. This tool included questions about hypersensitivity reactions during anesthesia and provided treatments...
May 17, 2018: Clinics
https://www.readbyqxmd.com/read/29790165/igg1-b-cell-immunity-predates-ige-responses-in-epicutaneous-sensitization-to-foods
#2
Rodrigo Jiménez-Saiz, Yosef Ellenbogen, Joshua Koenig, Melissa E Gordon, Tina D Walker, Domenico Rosace, Paul Spill, Kelly Bruton, Joshua Kong, Kristin Monteiro, Jianping Wen, Elaine I Tuomanen, Roland Kolbeck, Derek K Chu, Susan Waserman, Manel Jordana
BACKGROUND: The generation of IgE-mediated food allergy in humans is silent, and only diagnosed upon manifestation of clinical symptoms. While experimental models have been used to investigate some mechanisms of allergic sensitization, the generation of humoral immunity and memory remain to be elucidated. Here, we defined the evolution of allergen-specific B cell responses during epicutaneous sensitization to foods. METHODS: Wild-type and genetic knockout animals, and drug or antibody strategies for cell depletion and immunoglobulin signaling blockade were used to investigate epicutaneous sensitization and disease progression; we analyzed allergen-specific germinal centers and IgG1+ memory B cells by flow cytometry, evaluated humoral responses and determined clinical reactivity (anaphylaxis)...
May 22, 2018: Allergy
https://www.readbyqxmd.com/read/29788794/development-and-implementation-of-an-allergic-reaction-reporting-tool-for-school-health-personnel-a-pilot-study-of-three-chicago-schools
#3
Ozge N Aktas, Lauren M Kao, Alice Hoyt, Mary Siracusa, Rebekah Maloney, Ruchi S Gupta
Food allergy (FA) impacts 8% of children in the United States, thus it is critical to document allergic reactions in order to assist schools in managing FAs. We aimed to develop an online tool to assist school health personnel in tracking the characteristics of all allergic reactions occurring at schools. The Online School Allergic Reaction Registry (OScARR) was developed and implemented in three Chicago schools during the 2016-2017 school year. All allergic reactions occurring at participating schools were recorded by school nurses during this phase...
January 1, 2018: Journal of School Nursing: the Official Publication of the National Association of School Nurses
https://www.readbyqxmd.com/read/29782308/activation-of-herpes-simplex-infection-after-tattoo
#4
Antigona Begolli Gerqari, Mybera Ferizi, Merita Kotori, Aferdita Daka, Syzana Hapciu, Ilir Begolli, Mirije Begolli, Idriz Gerqari
Tattooing is a procedure where ink is applied to an area of the skin, mostly intraepidermally (1). This procedure is carried out mainly for aesthetic purposes. Lately, it has been used as a corrective medical procedure following amputation of mammilla. The procedure is aggressive (2), and the fact that skin is punctured many times with the same needle which cannot be fully sterilized may cause infection of the treated area with bacterial, fungal, or viral agents that may lead to health consequences manifesting in the form of verrucae vulgaris, molluscum contagiosum, and herpes simplex...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29779231/specialist-perioperative-allergy-clinic-services-in-the-uk-2018-results-from-the-royal-college-of-anaesthetists-sixth-national-audit-project-nap6-investigation-of-perioperative-anaphylaxis
#5
W Egner, T M Cook, T Garcez, S Marinho, H Kemp, D N Lucas, K Floss, S Farooque, H Torevell, M Thomas, K Ferguson, S Nasser, S Karanam, K-L Kong, N McGuire, M Bellamy, A Warner, J Hitchman, L Farmer, N J N Harper
BACKGROUND: The Royal College of Anaesthetists 6th National Audit Project examined Grade 3-5 perioperative anaphylaxis for one year in the UK. OBJECTIVE: To describe the causes and investigation of anaphylaxis in the NAP6 cohort, in relation to published guidance and previous baseline survey results. METHODS: We used a secure registry to gather details of Grade 3-5 perioperative anaphylaxis. Anonymous reports were aggregated for analysis and reviewed in detail...
May 19, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29778007/augmentation-of-the-expression-of-the-eotaxin-receptor-on-duodenal-neutrophils-by-il-21
#6
Yuji Takeda, Tomoyuki Kato, Nobuhito Nemoto, Akemi Araki, Mohammad Yeashin Gazi, Hidetoshi Nara, Hironobu Asao
Inflammation can occur via different mechanisms, such as via acute and chronic responses, on numerous occasions and function accordingly through various roles. There are more than five subsets of neutrophils; neutrophilic heterogeneity is modulated by the inflammatory condition. To understand the characteristics of inflammation, identification of atypical neutrophils is important. In this study, we found that the expression of eotaxin receptor (CD193) on atypical neutrophils in the duodenum is augmented in IL-21 isoform transgenic (Tg) mice...
May 16, 2018: Cytokine
https://www.readbyqxmd.com/read/29777684/repositioning-of-anti-cancer-drug-candidate-azd7762-to-an-anti-allergic-drug-suppressing-ige-mediated-mast-cells-and-allergic-responses-via-the-inhibition-of-lyn-and-fyn
#7
Young Hwan Park, Do Kyun Kim, Hyun Woo Kim, Hyuk Soon Kim, Dajeong Lee, Min Bum Lee, Keun Young Min, Jimo Koo, Su Jeong Kim, Changhee Kang, Young Mi Kim, Hyung Sik Kim, Wahn Soo Choi
Mast cells are critical effector cells in IgE-mediated allergic responses. The aim of this study was to investigate the anti-allergic effects of 3-[(aminocarbonyl)amino]-5-(3-fluorophenyl)-N-(3S)-3-piperidinyl-2-thiophenecarboxamide (AZD7762) in vitro and in vivo. AZD7762 inhibited the antigen-stimulated degranulation from RBL-2H3 (IC50 , ∼ 27.9 nM) and BMMCs (IC50 , ∼ 99.3 nM) in a dose-dependent manner. AZD7762 also inhibited the production of TNF-α and IL-4. As the mechanism of its action, AZD7762 inhibited the activation of Syk and its downstream signaling proteins, such as Linker of activated T cells (LAT), phospholipase (PL) Cγ1, Akt, and mitogen-activated protein (MAP) kinases (Erk1 / 2, p38, and JNK) in mast cells...
May 16, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29769473/-a-case-of-oral-mite-anphylaxis-in-which-basophil-activation-test-was-useful-for-diagnosis
#8
Shintaro Kamizono, Tamotsu Fujimoto
We treated a 13-year-old girl who developed dyspnea after ingestion of okonomiyaki, a Japanese savory pancake prepared from takoyaki flour mix that was opened several months ago and had been stored at ambient temperature. She was found to be sensitized to mite antigen, and microscopic examination of the flour specimen revealed contamination with mites. Therefore, she was diagnosed with oral mite anaphylaxis (OMA). For a more definitive diagnosis, we performed the basophil activation test (BAT) not only in this patient but also in a healthy woman who was not sensitized to mite (control), using the mite-contaminated flour and unopened takoyaki flour mix as antigens...
2018: Arerugī, [Allergy]
https://www.readbyqxmd.com/read/29768291/quality-of-the-triage-of-children-with-anaphylaxis-at-the-emergency-department
#9
Esozia Arroabarren, Jorge Alvarez-Garcia, Marta Anda, Montserrat de Prada, Maria Carmen Ponce, Miriam Palacios
OBJECTIVE: Early recognition of symptoms is essential in anaphylaxis management. The Canadian Paediatric Emergency Triage and Acuity Scale prioritizes anaphylaxis to level I or II (resuscitation or emergency). We analyzed the accuracy of pediatric anaphylaxis triage. METHODS: This was a retrospective review of the triage charts (adaptation of the Canadian Paediatric Emergency Triage and Acuity Scale) of 137 children attended for anaphylaxis at our pediatric emergency department...
May 15, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29768259/precise-intradermal-injection-of-nanofat-derived-stromal-cells-combined-with-platelet-rich-fibrin-improves-the-efficacy-of-facial-skin-rejuvenation
#10
Zhi-Jie Liang, Xiang Lu, De-Quan Li, Yi-Dan Liang, Dan-Dan Zhu, Fang-Xiao Wu, Xiao-Lin Yi, Ning He, Yan-Qing Huang, Chao Tang, Hong-Mian Li
BACKGROUND/AIMS: The rejuvenation properties of nanofat grafting have been described in recent years. However, it is not clear whether the clinical efficacy of the procedure is attributable to stem cells or linked to other components of adipose tissue. In this study we isolated nanofat-derived stem cells (NFSCs) to observe their biological characteristics and evaluate the efficacy of precise intradermal injection of nanofat combined with platelet-rich fibrin (PRF) in patients undergoing facial rejuvenation treatment...
May 11, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29764416/safety-of-a-condom-uterine-balloon-tamponade-esm-ubt-device-for-uncontrolled-primary-postpartum-hemorrhage-among-facilities-in-kenya-and-sierra-leone
#11
Aparna Ramanathan, Melody J Eckardt, Brett D Nelson, Moytrayee Guha, Monica Oguttu, Zaid Altawil, Thomas Burke
BACKGROUND: Postpartum hemorrhage is the leading cause of maternal mortality in low- and middle-income countries. While evidence on uterine balloon tamponade efficacy for severe hemorrhage is encouraging, little is known about safety of this intervention. The objective of this study was to evaluate the safety of an ultra-low-cost uterine balloon tamponade package (named ESM-UBT) for facility-based management of uncontrolled postpartum hemorrhage (PPH) in Kenya and Sierra Leone. METHODS: Data were collected on complications/adverse events in all women who had an ESM-UBT device placed among 92 facilities in Sierra Leone and Kenya, between September 2012 and December 2015, as part of a multi-country study...
May 15, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29763312/deep-sea-derived-butyrolactone-i-suppresses-ovalbumin-induced-anaphylaxis-by-regulating-mast-cell-function-in-a-murine-model
#12
Qingmei Liu, Chun-Lan Xie, Yuanyuan Gao, Bo Liu, Weixiang Lin, Hong Liu, Min-Jie Cao, Wen-Jin Su, Xianwen Yang, Guang-Ming Liu
Deep-sea-derived butyrolactone I (BTL-I) which was identified as a type of butanolide was isolated from Aspergillus sp. Ovalbumin (OVA)-induced BALB/c anaphylaxis was established to explore the anti-food allergic activity of BTL-I. As results, BTL-I was able to alleviate OVA-induced allergy symptoms, reduce the levels of histamine and mouse mast cell proteinases, inhibit OVA-specific IgE, and decrease the population of mast cells in the spleen and mesenteric lymph nodes. BTL-I also significantly suppressed mast-dependent passive cutaneous anaphylaxis...
May 15, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29761928/systematic-review-of-hypersensitivity-to-parenteral-nutrition
#13
REVIEW
Vikram J Christian, Matthew Tallar, Cassandra L S Walia, Rita Sieracki, Praveen S Goday
Hypersensitivity to the components of parenteral nutrition (PN) is a rare but important complication of PN. We performed a systematic review of hypersensitivity to PN to enable us to build an approach to the individual patient who presents with PN hypersensitivity. A systematic literature search was performed in Ovid Medline, CINAHL, Scopus, and Web of Science using terms for "hypersensitivity" AND "parenteral nutrition" and relevant synonyms. A total of 28 articles were analyzed, and 33 hypersensitivities to PN or components of PN were reported in these 28 articles...
May 15, 2018: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29759531/biphasic-anaphylaxis-a-review-of-the-literature-and-implications-for-emergency-management
#14
REVIEW
Ali Pourmand, Chelsea Robinson, Wahab Syed, Maryann Mazer-Amirshahi
BACKGROUND: The biphasic reaction is a feared complication of anaphylaxis management in the emergency department (ED). The traditional recommended ED observation time is 4-6 h after complete resolution of symptoms for every anaphylaxis patient. However, there has been great controversy regarding whether this standard of care is evidence-based. METHODS: Articles were selected using a PubMed, MEDLINE search for the keywords "biphasic anaphylaxis", yielding 155 articles...
May 9, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29758199/pafah1b2-is-a-hif1a-target-gene-and-promotes-metastasis-in-pancreatic-cancer
#15
Can Ma, Yan Guo, Yan Zhang, Aixia Duo, Yitao Jia, Ci Liu, Binghui Li
Platelet-activating factor acetylhydrolase IB subunit beta (PAFAH1B2) plays important roles in inflammation and anaphylaxis. However, its primary function in pancreatic cancer remains unclear. In the current study, we report that PAFAH1B2 is overexpressed in pancreatic ductal adenocarcinoma (PDAC) and correlated inversely with patient survival. PAFAH1B2 overexpression induced epithelial-mesenchymal transition (EMT), migration and invasion in vitro and metastasis in vivo. Conversely, silencing PAFAH1B2 inhibited these aggressive phenotypes...
May 11, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29757781/misconceptions-surrounding-penicillin-allergy-implications-for-anesthesiologists
#16
Leon Vorobeichik, Elizabeth A Weber, Jordan Tarshis
Administration of preoperative antimicrobial prophylaxis, often with a cephalosporin, is the mainstay of surgical site infection prevention guidelines. Unfortunately, due to prevalent misconceptions, patients labeled as having a penicillin allergy often receive alternate and less-effective antibiotics, placing them at risk of a variety of adverse effects including increased morbidity and higher risk of surgical site infection. The perioperative physician should ascertain the nature of previous reactions to aid in determining the probability of the prevalence of a true allergy...
May 10, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29753833/efficacy-of-a-single-dose-of-omalizumab-for-the-prevention-of-ethylene-oxide-intraoperative-anaphylaxis
#17
Maria Beatrice Bilò, Alice Corsi, M Feliciana Brianzoni, M Stella Garritani, Leonardo Antonicelli
No abstract text is available yet for this article.
May 10, 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29750396/a-phase-1-2-dose-finding-safety-and-activity-study-of-cabazitaxel-in-pediatric-patients-with-refractory-solid-tumors-including-tumors-of-the-central-nervous-system
#18
Peter E Manley, Tanya Trippett, Amy A Smith, Margaret E Macy, Sarah E S Leary, Jessica Boklan, Kenneth J Cohen, Stewart Goldman, Lindsay B Kilburn, Girish Dhall, Jeanne Devin, Cynthia E Herzog, Sonia Partap, Floris Fauchet, Emmy Badreddine, John P Bernard, Susan N Chi
BACKGROUND: This phase 1/2 study (NCT01751308) evaluated cabazitaxel in pediatric patients. Phase 1 determined the maximum tolerated dose (MTD) in patients with recurrent/refractory solid tumors, including central nervous system (CNS) tumors. Phase 2 evaluated activity in pediatric recurrent high-grade glioma (HGG) or diffuse intrinsic pontine glioma (DIPG). PROCEDURE: In phase 1, a 3 + 3 dose-escalation study design was followed. Cabazitaxel was administered at a starting dose of 20 mg/m2 ...
May 11, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29746901/epinephrine-auto-injectors-and-anaphylaxis-challenges-of-dose-depth-and-device
#19
REVIEW
Julie Brown
OBJECTIVES: 1. To review epinephrine dosing, site and route of administration, focusing on special populations (patients weighing less that 15 kg, and obese patients). 2. To discuss storage and delivery of epinephrine in pre-hospital and hospital settings. DATA SOURCES: Review of published literature. STUDY SELECTION: Relevancy. RESULTS: The recommended 0.01 mg/kg (max 0.3-0.5 mg) epinephrine dose in anaphylaxis is based on limited pharmacokinetic data in healthy volunteers...
May 7, 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29744255/brain-stem-ischemic-stroke-associated-with-anaphylaxis
#20
Luis A Robles, Antonio F Matilla
Anaphylaxis is a serious allergic reaction that may have different manifestations including hypotension. It is reported that vertebral artery hypoplasia (VAH) may be present in up to 20% of the general population. Previous studies have demonstrated that patients with VAH have a higher risk of developing an ischemic stroke in the area supplied by this hypoplastic artery. This paper describes the case of a patient with preexistent VAH who presented with lateral medullary syndrome associated with a hypotensive episode secondary to anaphylaxis...
March 8, 2018: Curēus
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