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https://www.readbyqxmd.com/read/28436206/clinical-practice-guidelines-on-iron-therapy-a-critical-evaluation
#1
Lucia Del Vecchio, Francesco Locatelli
Anemia is common among patients with chronic kidney disease (CKD) and it is managed primarily with erythropoiesis-stimulating agents (ESA) and iron therapy. Following concerns around ESA therapy and economic constraints, IV iron is more and more administered worldwide. Several guidelines or position papers, which give indications on iron therapy in CKD patients, have been issued in Nephrology. Unfortunately, the field is characterized by a lack of evidence. As a result, the recommendations/suggestions are not uniform...
April 24, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28423486/tick-host-conflict-immunoglobulin-e-antibodies-to-tick-proteins-in-patients-with-anaphylaxis-to-tick-bite
#2
Lourdes Mateos-Hernández, Margarita Villar, Angel Moral, Carmen García Rodríguez, Teresa Alfaya Arias, Verónica de la Osa, Francisco Feo Brito, Isabel G Fernández de Mera, Pilar Alberdi, Francisco Ruiz-Fons, Alejandro Cabezas-Cruz, Agustín Estrada-Peña, José de la Fuente
Tick-borne infectious diseases and allergies are a growing problem worldwide. Tick bite allergy has been associated with the direct effect of immunoglobulin E (IgE) response to tick salivary antigens, or secondary to the induction of allergy to red meat consumption through IgE antibodies against the carbohydrate α-Gal (Gal α 1-3Gal β 1-(3)4GlcNAc-R). However, despite the growing burden of this pathology, the proteins associated with anaphylaxis to tick bite have not been characterized. To address this question, a comparative proteomics approach was used to characterize tick proteins producing an IgE antibody response in a healthy individual with record of tick bites, which had not resulted in any allergic reactions, and two patients with anaphylactic reactions to Rhipicephalus bursa or Hyalomma marginatum tick bites...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28417624/cow-s-milk-desensitization-in-anaphylactic-patients-a-new-personalized-dose-method
#3
Delara Babaie, Mohammad Nabavi, Saba Arshi, Mehrnaz Mesdaghi, Zahra Chavoshzadeh, Mohammad Hasan Bemanian, Mitra Tafakori, Mehrdad Amirmoini, Hosein Esmailzadeh, Rasoul Molatefi, Mahsa Rekabi, Nadieh Akbarpour, Farimah Masoumi, Morteza Fallahpour
Cow's milk allergy (CMA) is the most frequent food allergy in children and oral immunotherapy (OIT) is a promising approach for treatment of patients. The most challenging cases are anaphylactic with coexisting asthma and proposing safe protocols is crucial especially in high risk groups. Considering that CMA varies among patients, an individualized OIT protocol would be beneficial to achieve a safer and more efficient method of desensitization. 18 children more than 3 years of age with IgE-mediated CMA were enrolled...
February 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28413507/anaphylactic-shock-caused-by-haemocoagulase-injection-in-china
#4
Haiwei Yang, Liming Yang, De-Wang Wang, Ji-Fu Wei, Shaoheng He
Haemocoagulase injection is a mixture of purified enzymes isolated from the venom of Bothrops atrox, which is used for the prevention and treatment of haemorrhage. It is a relatively safe pharmacological agent that does not require a skin test prior to administration. However, following a literature search, 14 reported cases of anaphylactic shock caused by haemocoagulase injection were identified, including one lethal case in China. Using SDS-PAGE and protein identification, four primary components in haemocoagulase injection were characterized, including one metalloproteinase, which may be a thromboplastin-like enzyme, and two serine proteinases, which may be thrombin-like enzymes...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28412864/cutaneous-allergic-drug-reactions-update-on-pathophysiology-diagnostic-procedures-and-differential-diagnostic
#5
Galina Balakirski, Hans F Merk
Important changes in the understanding and management of drug hypersensitivity reactions during the last years result from the increasing importance of biologics in medical practice, which differ in their spectrum of adverse drug reactions (ADRs) from the classical covalent drugs. With regard to covalent drugs, ampicillin and amoxicillin as well as clavulanic acid play an increasing role among ADRs to betalactam antibiotics. Fluoroquinolones are mainly the cause of anaphylactic and photosensitivity reactions...
April 17, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28411932/arthropod-envenomation-in-north-america
#6
REVIEW
Timothy B Erickson, Navneet Cheema
Arthropods (phylum Arthopoda) account for a higher percentage of morbidity and mortality to humans than do mammalian bites, snake bites, or marine envenomation. They are ubiquitous in domestic dwellings, caves, and campsites and in wilderness settings such as deserts, forests, and lakes. Although arthropods are most intrusive during warmer months, many are active throughout the winter, particularly indoors. Arthropods are also nocturnal and often bite unsuspecting victims while they are sleeping. Encounters with humans are generally defensive, accidental, or reactive...
May 2017: Emergency Medicine Clinics of North America
https://www.readbyqxmd.com/read/28404198/molecular-fluorescence-guided-surgery-of-peritoneal-carcinomatosis-of-colorectal-origin-a-single-centre-feasibility-study
#7
Niels J Harlaar, Marjory Koller, Steven J de Jongh, Barbara L van Leeuwen, Patrick H Hemmer, Schelto Kruijff, Robert J van Ginkel, Lukas B Been, Johannes S de Jong, Gursah Kats-Ugurlu, Matthijs D Linssen, Annelies Jorritsma-Smit, Marleen van Oosten, Wouter B Nagengast, Vasilis Ntziachristos, Gooitzen M van Dam
BACKGROUND: Optimum cytoreductive surgery combined with hyperthermic intraperitoneal chemotherapy (HIPEC) is essential for the curative treatment of peritoneal carcinomatosis of colorectal origin. At present, surgeons depend on visual inspection and palpation for tumour detection. Improved detection of tumour tissue using molecular fluorescence-guided surgery could not only help attain a complete cytoreduction of metastatic lesions, but might also prevent overtreatment by avoiding resection of benign lesions...
December 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28397379/b-fahf-2-plus-oral-immunotherapy-oit-is-safer-and-more-effective-than-oit-alone-in-a-murine-model-of-concurrent-peanut-tree-nut-allergy
#8
Kamal D Srivastava, Ying Song, Nan Yang, Changda Liu, Ilan E Goldberg, Anna Nowak-Węgrzyn, Hugh A Sampson, Xiu-Min Li
BACKGROUND: Concurrent sensitization to peanut (PN) and tree nuts (TN), the most dangerous food allergies, is common. Current oral immunotherapy (OIT) is not fully satisfactory. OBJECTIVE: To determine if the herbal formula B-FAHF-2 (BF2) ameliorates PN/TN OIT adverse reactions and enhances persistence of a tolerant state. METHODS: Concurrently sensitized peanut, walnut (WN) and cashew (CSH) allergic mice received 1 day PN/WN/CSH rush OIT plus 3 weeks of maintenance dosing, with or without 3-weeks prior and 3-weeks BF2 co-treatment...
April 11, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28396318/blocking-allergic-reaction-through-targeting-surface-bound-ige-with-low-affinity-anti-ige-antibodies
#9
Ke Zhang, Jeffrey Liu, Thao Truong, Elyssa Zukin, Wendy Chen, Andrew Saxon
Allergic disorders have now become a major worldwide public health issue, but the effective treatment options remain limited. We report a novel approach to block allergic reactivity by targeting the surface-bound IgE of the allergic effector cells via low-affinity anti-human IgE Abs with dissociation constants in the 10(-6) to 10(-8) M range. We demonstrated that these low-affinity anti-IgE mAbs bind to the cell surface-bound IgE without triggering anaphylactic degranulation even at high concentration, albeit they would weakly upregulate CD203c expression on basophils...
April 10, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28391357/phase-i-iia-clinical-trial-of-a-novel-htert-peptide-vaccine-in-men-with-metastatic-hormone-naive-prostate-cancer
#10
Wolfgang Lilleby, Gustav Gaudernack, Paal F Brunsvig, Ljiljana Vlatkovic, Melanie Schulz, Kate Mills, Knut Håkon Hole, Else Marit Inderberg
In newly diagnosed metastatic hormone-naive prostate cancer (mPC), telomerase-based immunotherapy with the novel hTERT peptide vaccine UV1 can induce immune responses with potential clinical benefit. This phase I dose escalation study of UV1 evaluated safety, immune response, effects on prostate-specific antigen (PSA) levels, and preliminary clinical outcome. Twenty-two patients with newly diagnosed metastatic hormone-naïve PC (mPC) were enrolled; all had started androgen deprivation therapy and had no visceral metastases...
April 8, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28380495/risk-factors-for-severe-reactions-during-double-blind-placebo-controlled-food-challenges
#11
Noriyuki Yanagida, Sakura Sato, Tomoyuki Asaumi, Kiyotake Ogura, Motohiro Ebisawa
BACKGROUND: Severe anaphylactic symptoms can occur during oral food challenges (OFCs). Thus, high-risk patients (e.g., patients with a history of anaphylaxis or high antigen-specific immunoglobulin E [IgE] levels) must carefully undergo OFCs in hospitals. We attempted to identify the risk factors for severe symptoms during OFC testing among high-risk patients. METHODS: We retrospectively evaluated patients' characteristics and severe symptoms that were experienced during a double-blind placebo-controlled food challenge test performed before the patients underwent oral immunotherapy between June 2008 and June 2012...
April 6, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28380475/long-term-follow-up-of-children-after-venom-immunotherapy-low-adherence-to-anaphylaxis-guidelines
#12
Claudia Fiedler, Ulrich Miehe, Regina Treudler, Wieland Kiess, Freerk Prenzel
BACKGROUND: Data on the long-term outcome of children after specific venom immunotherapy (VIT) are limited. Therefore, we assessed sting recurrence and anaphylaxis relapse rates as well as adherence to anaphylaxis guidelines with regard to the availability of emergency equipment and education status. METHODS: For this long-term survey, data of 311 children with a history of anaphylactic reactions to hymenoptera stings were collected by chart review. We included patients who were treated with a 3-year VIT between 1993 and 2009 and had completed a questionnaire...
April 6, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28378321/serum-levels-of-9%C3%AE-11%C3%AE-pgf2-and-apolipoprotein-a1-achieve-high-predictive-power-as-biomarkers-of-anaphylaxis
#13
Marcel Wittenberg, Maria Nassiri, Wojciech Francuzik, Karola Lehmann, Magda Babina, Margitta Worm
Anaphylaxis is a life-threatening hypersensitivity reaction. To identify biomarkers for the condition, we assessed serum levels of apolipoprotein (Apo)A and ApoE. We found a reduction of both lipoproteins in anaphylactic mice as well as in orally challenged food allergic patients. We then compared patients after acute anaphylaxis with several control groups (non-allergic, history of allergen-triggered anaphylaxis, acute cardiovascular/febrile reactions). In this unpaired setting, ApoE levels were unaltered, while ApoA1 was reduced in the anaphylactic group...
April 5, 2017: Allergy
https://www.readbyqxmd.com/read/28372711/outpatient-emergencies-anaphylaxis
#14
REVIEW
Scott P Commins
Anaphylactic fatalities are rare; however, mild reactions can rapidly progress to cardiovascular and respiratory arrest. The clinical course of anaphylaxis can be unpredictable. Prompt and early use of epinephrine should be considered. Most anaphylaxis episodes have an immunologic mechanism involving immunoglobulin E (IgE). Foods are the most common cause in children; medications and insect stings are more common in adults. When the cause is not completely avoidable or cannot be determined, a patient should be supplied with autoinjectable epinephrine and be instructed its use...
May 2017: Medical Clinics of North America
https://www.readbyqxmd.com/read/28351784/risk-factor-analysis-of-anaphylactic-reactions-in-patients-with-systemic-mastocytosis
#15
Theo Gülen, Christopher Ljung, Gunnar Nilsson, Cem Akin
BACKGROUND: Systemic mastocytosis (SM) is a rare disorder of abnormal mast cells in at least 1 extracutaneous organ/tissue. Anaphylaxis is an acute, severe systemic hypersensitivity reaction, and a strong association between SM and anaphylaxis has been shown. However, not all patients with SM experience anaphylaxis. Presently, there are no predictive markers to discriminate patients with SM at high risk of anaphylaxis from those at low risk. OBJECTIVE: This study sought to determine risk factors for the occurrence of anaphylaxis in patients with SM...
March 25, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28343935/blood-derived-products-in-pediatrics-new-laboratory-tools-for-optimizing-potency-assignment-and-reducing-side-effects
#16
REVIEW
Jean Amiral, Jerard Seghatchian
Neonates and children can develop rare bleeding disorders due to congenital/acquired coagulation Factor deficiencies, or allo-immune/autoimmune complications, or can undergo surgeries at high haemorrhagic risk. They then need specialized transfusion of blood components/products, or purified blood extracted products or recombinant proteins. Blood-derived therapies conventionally used for management of affected infants with genetic/acquired deficiencies, bleeding problems (coagulation Factor reduced or missing) or thrombotic disorders (reduced or missing anticoagulant proteins) pose some additional risks...
March 15, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28343843/%C3%AE-s1-casein-elucidate-major-t-cell-responses-in-cow-s-milk-allergy
#17
L Diego Archila, Fatima S Khan, Nupur Bhatnagar, David Robinson, Mary L Farrington, William W Kwok
Cow's milk allergy (CMA) is increasing in prevalence, affecting approximately 4% of children. Cow's milk (CM) is a common cause of fatal/ near fatal anaphylactic reactions. Understanding of CM-specific CD4+ T-cells responses to milk allergens should help elucidate the pathological mechanisms of persistent CMA. Milk allergen epitopes specific T-cells were examined in CMA subjects. Frequencies and phenotypes of these T-cells were found to be different between older and younger subjects.
March 23, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28342911/basophils-high-affinity-ige-receptors-and-ccl2-in-human-anaphylaxis
#18
Peter Korosec, Paul J Turner, Mira Silar, Peter Kopac, Mitja Kosnik, Bernhard F Gibbs, Mohamed H Shamji, Adnan Custovic, Matija Rijavec
BACKGROUND: The role of basophils in anaphylaxis is unclear. OBJECTIVE: We sought to investigate whether basophils have an important role in human anaphylaxis. METHODS: In an emergency department study we recruited 31 patients with acute anaphylaxis, predominantly to Hymenoptera venom. We measured expression of basophil activation markers (CD63 and CD203c); the absolute number of circulating basophils; whole-blood FCER1A, carboxypeptidase A3 (CPA3), and L-histidine decarboxylase (HDC) gene expression; and serum markers (CCL2, CCL5, CCL11, IL-3, and thymic stromal lymphopoietin) at 3 time points (ie, during the anaphylactic episode and in convalescent samples 7 and 30 days later)...
March 22, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28339320/basic-life-support-access-to-injectable-epinephrine-across-the-united-states
#19
Ian D Brasted, Michael W Dailey
BACKGROUND:  Aggressive epinephrine administration has growing support in the treatment of anaphylaxis, a life-threatening allergic reaction. Emergency Medical Services (EMS) providers are frequently in a position to provide the first care to someone experiencing an anaphylactic reaction. Intramuscular injection of epinephrine is the definitive pharmacologic treatment for many associated symptoms. While easy to use, epinephrine autoinjectors (EAI) are prohibitively expensive, having increased in price ten-fold in ten years...
March 24, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28332605/janus-faced-acrolein-prevents-allergy-but-accelerates-tumor-growth-by-promoting-immunoregulatory-foxp3-cells-mouse-model-for-passive-respiratory-exposure
#20
Franziska Roth-Walter, Cornelia Bergmayr, Sarah Meitz, Stefan Buchleitner, Caroline Stremnitzer, Judit Fazekas, Anna Moskovskich, Mario A Müller, Georg A Roth, Krisztina Manzano-Szalai, Zdenek Dvorak, Alina Neunkirchner, Erika Jensen-Jarolim
Acrolein, a highly reactive unsaturated aldehyde, is generated in large amounts during smoking and is best known for its genotoxic capacity. Here, we aimed to assess whether acrolein at concentrations relevant for smokers may also exert immunomodulatory effects that could be relevant in allergy or cancer. In a BALB/c allergy model repeated nasal exposure to acrolein abrogated allergen-specific antibody and cytokine formation, and led to a relative accumulation of regulatory T cells in the lungs. Only the acrolein-treated mice were protected from bronchial hyperreactivity as well as from anaphylactic reactions upon challenge with the specific allergen...
March 23, 2017: Scientific Reports
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