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https://www.readbyqxmd.com/read/28734860/the-expanding-field-of-biologics-in-the-management-of-chronic-urticaria
#1
Shyam Joshi, David A Khan
Chronic urticaria (CU) is the occurrence of urticaria with or without angioedema for at least 6 weeks. Management has traditionally involved antihistamines as first-line therapy with various alternative therapies for refractory cases. Largely based on the success of biologics for various diseases, this class of drugs has come to the forefront of medical research. The first and only Food and Drug Administration-approved biologic for the management of CU is omalizumab (humanized anti-IgE mAb). In the past decade, a substantial amount of research has been centered on the mechanism of action, efficacy, dosing, and safety of omalizumab...
July 19, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28731672/-urticaria-pigmentosa-clinical-and-therapeutic-aspects-for-the-paediatrician
#2
Catherina Moll-Manzur, Esteban Araos-Baeriswyl, Camila Downey, María T Dossi
Urticaria pigmentosa, also known as maculopapular mastocytosis, is the most common type of paediatric mastocytosis. It presents with yellow to brown macules or papules, usually located on trunk and extremities. Regarding its diagnostic and therapeutic implications, the objective of this article is to serve as an update for the paediatrician on the most relevant aspects of this pathology.
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28725969/mastocytosis-from-a-molecular-point-of-view
#3
REVIEW
Daniel Elieh Ali Komi, Todd Rambasek, Stefan Wöhrl
Mast cells (MCs) are physiologically activated by binding of stem cell factor (SCF) to the extracellular domains of the Kit receptor. This binding increases the proliferation and prolongs the survival of normal mature MCs, as well as intensifies the release of mediators. In mastocytosis, somatic mutations of the coding Kit gene cause autocrine dysregulation and lead to constitutive KIT activation even in the absence of its ligand SCF. Clinical symptoms are caused by MC-mediator release and/or infiltration of MCs into tissues...
July 19, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28722454/-chronic-urticaria-new-views-on-diagnosis-and-treatment-of-disease
#4
Dana Prusíková
Interest in chronic urticaria has grown in recent years, largely owing to the advent of new modes treatment especially in the form of the biologic preparation omalizumab. New scientific and clinical findings have not only facilitated a more comprehensive view of the disease but have streamlined the classification and diagnostic approach as well. Diagnostics are no longer burdened by cumbersome and lengthy investigative procedures into the etiology of urticaria, but are much more rapid and targeted bringing about more timely relief of the patient's symptoms...
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28720373/incidence-of-adverse-contrast-reaction-following-nonintravenous-urinary-tract-imaging
#5
Robert H Blackwell, Eric J Kirshenbaum, Matthew A C Zapf, Anai N Kothari, Paul C Kuo, Robert C Flanigan, Gopal N Gupta
Adverse reactions (ARs) to intravenous (IV) radiographic contrast range from mild urticaria to life-threatening anaphylaxis. Intraluminal contrast dye is routinely used in the urinary tract with a minimal perceived risk of AR. We used the Healthcare Cost and Utilization Project State Inpatient Databases for California and Florida from 2007 to 2011 to identify patients who received urinary tract contrast dye for retrograde pyelography, percutaneous pyelography, retrograde/other cystogram, and ileal conduitogram...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28719476/a-rare-case-of-contact-urticaria-and-allergic-contact-dermatitis-to-maleic-and-fumaric-acids
#6
Franziska Raessler, Sibylle Schliemann, Peter Elsner
No abstract text is available yet for this article.
July 2017: Dermatitis
https://www.readbyqxmd.com/read/28714496/clinical-outcome-of-autologous-serum-therapy-in-chronic-idiopathic-urticaria
#7
D Karn, S Kc
BACKGROUND: Quality of life in chronic idiopathic urticaria is hampered as efficacy of H1-antihistamines is limited. Autologous serum containing tolerance-generating anti-idiotype antibodies is a novel and cost-effective therapy. This study was conducted to evaluate the efficacy of autologous serum therapy (AST) among chronic urticaria patients with autologous skin prick test positive and negative status. METHODS: Untreated 102 patients of chronic urticaria were enrolled in a non-randomized interventional study...
January 2017: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28709817/evaluation-of-a-guidelines-based-approach-to-the-treatment-of-chronic-spontaneous-urticaria
#8
Jorge Sánchez, Josefina Zakzuk, Ricardo Cardona
BACKGROUND: International scientific associations have made recommendations for the management of chronic spontaneous urticaria (CSU) that have been summarized in clinical guidelines. OBJECTIVE: To evaluate the clinical impact of guideline recommendations for CSU management. METHODS: A multicenter, triple-blinded, prospective, randomized study (the Urticaria Research of Tropical Impact and Control Assessment project; ClinicalTrials.gov identifier: NCT01940393) was performed...
July 11, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28709788/making-sense-of-metal-allergy-and-hypersensitivity-to-metallic-implants-in-relation-to-hand-surgery
#9
REVIEW
Thomas J Christensen, Shefali A Samant, Alexander Y Shin
All metals implanted into a biological system undergo some degree of corrosion depending upon its composition. The electrochemical process of corrosion produces free metal ions, which may activate the host's immune system through a variety of mechanisms. Whereas dermal metal hypersensitivity is common, affecting 10% to 15% of the population, the immune reaction from implanted metals is much less common (< 0.1%), but has been associated with metal allergy and hypersensitivity producing a multitude of patient symptoms...
July 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28702966/possible-role-of-helicobacter-pylori-in-diseases-of-dermatological-interest
#10
C Guarneri, J Lotti, M Fioranelli, M G Roccia, T Lotti, F Guarneri
Helicobacter pylori is a gram-negative, flagellate, microaerophilic bacterium identified for the first time about 30 years ago, as a pathogenic factor of gastritis and peptic ulcer. Soon after, it was linked to several gastrointestinal and extra-gastrointestinal diseases (hematological, cardiovascular, neurological, pulmonary and ocular diseases, obesity, diabetes mellitus, growth retardation and extragastric MALT lymphoma). Association and possible cause-effect correlation with H. pylori infection were suggested in diseases of dermatological interest such as chronic urticaria, rosacea, Henoch-Schoenleins purpura, idiopathic thrombocytopenic purpura, cutaneous and oral lichen planus, atopic dermatitis, recurrent aphthous stomatitis, systemic sclerosis, psoriasis, Sjögrens syndrome, Behçet's disease, pruritus, alopecia areata, primary cutaneous marginal zone B-cell lymphomas, vitiligo, chronic prurigo, multiformis, prurigo nodularis, leukocytoclastic vasculitis, prurigo pigmentosa, eczema nummulare, primary cutaneous MALT-type lymphoma, sublamina densa-type linear IgA bullous dermatosis, Sweet's syndrome, cutaneous T-cell pseudolymphoma and pemphigus vulgaris...
July 13, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28699491/a-case-of-pantoprazole-anaphylaxis-with-cross-reactivity-to-all-proton-pump-inhibitors-finding-a-safe-alternative
#11
Özlem Türedi, Zeynep Çelebi Sözener, Reşat Kendirlinan, Sevim Bavbek
BACKGROUND: Hypersensitivity reactions due to Proton pump inhibitors (PPIs ) are rare, and further anaphylaxis to a PPI with cross-reactivity to all commercially available PPIs is very rare Objective: To present a case of anaphylaxis to pantoprazole with cross-reactivity to all commercially available PPIs Method: Skin prick tests (SPTs), intradermal tests (IDTs) and oral provocation tests (OPTs) were performed with available PPIs according to the method described in previous studies. RESULTS: All tested PPIs except lansoprazole were positive on skin tests either SPT or IDT...
July 11, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28697833/-clinical-characteristics-of-urticaria-in-children-versus-adults
#12
Ni Tang, Man-Yun Mao, Rui Zhai, Xiang Chen, Jiang-Lin Zhang, Wu Zhu, Jie Li
OBJECTIVE: To study the clinical characteristics of urticaria in children versus adults, and to provide reference for the etiological analysis, disease evaluation, and treatment of urticaria in children. METHODS: The clinical data of 2 411 patients with urticaria who visited the Department of Dermatology at Xiangya Hospital of Central South University from January 2013 to May 2017 were collected to study their socio-demographic characteristics. The clinical characteristics of urticaria were compared between the 68 children and 672 adults of the 740 patients with complete follow-up data...
July 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28691309/serial-d-dimer-plasma-levels-in-a-patient-with-chronic-spontaneous-urticaria-developing-resistance-to-omalizumab
#13
R Asero
Chronic spontaneous urticaria (CSU) is a condition presenting as the spontaneous occurrence of itchy weals with or without angio-oedema for > 6 weeks. A patient with severe chronic spontaneous urticaria who developed resistance to omalizumab is described. The patient's D-dimer plasma levels strictly paralleled the disease activity despite the administration of anti-IgE therapy.
July 10, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28687112/burden-of-illness-and-quality-of-life-measures-in-angioedema-conditions
#14
REVIEW
Teresa Caballero, Nieves Prior
Burden of illness studies and evaluation of health-related quality of life using validated questionnaires have become an important task in the comprehensive management of angioedema conditions, mainly angioedema associated with chronic spontaneous urticaria and hereditary angioedema caused by C1-inhibitor deficiency. A review of the principal tools and studies is presented. Both diseases present a higher proportion of psychiatric disorders, impair work and studies productivity, and produce high direct and indirect costs...
August 2017: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/28687103/histaminergic-angioedema
#15
REVIEW
Paula J Busse, Tukisa Smith
Angioedema is frequently categorized into histamine- or bradykinin-mediated disease. It is critical to determine the underlying mediator of symptoms as it directs treatment. Histaminergic angioedema is the most frequent cause of angioedema. It is classified as either acute (lasting <6 weeks) or chronic (symptoms >6 weeks). It is further classified into angioedema presenting with or without urticaria. Some patients with acute angioedema may have disease that becomes chronic. Mast cells and basophils are central to the underlying pathophysiology of histamine-mediated angioedema...
August 2017: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/28687102/the-clinical-evaluation-of-angioedema
#16
REVIEW
Parwinder Gill, Stephen D Betschel
The clinical evaluation of angioedema is reliant on obtaining a thorough patient and family history with an assessment of risk factors and presenting symptoms unique to each subtype. It is important to distinguish between angioedema with and without urticaria as a primary step in the evaluation; thereafter, laboratory parameters and investigations allow for subsequent stratification. There is a significant disease burden associated with angioedema and thus it is essential for health care practitioners to establish a prompt and accurate diagnosis, and a comprehensive care plan that addresses the patient's physical and mental well-being alike...
August 2017: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/28686783/schnitzler-syndrome-with-delirium-and-vertigo-the-utility-of-neurologic-manifestations-in-diagnosis
#17
Stanislav N Tolkachjov, David A Wetter
<p>Schnitzler syndrome (SS) is an autoinflammatory dermatosis that often goes undiagnosed for 5-6 years. Patients typically carry a diagnosis of urticaria; however, their cutaneous symptoms fail to respond to typical urticaria therapies and lack symptoms such as pruritus. Additionally, patients with SS may see multiple providers for nonspecific complaints of fever, lymphadenopathy, arthralgias, and bone pain. A correct diagnosis is paramount, as close to 20% of patients may develop a lymphoproliferative disorder and appropriate treatment may ameliorate all symptoms...
June 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28686766/evaluation-of-patch-test-reactivities-in-patients-with-chronic-idiopathic-urticaria
#18
Khalid M AlGhamdi, Huma Khurrum, Mohamed O Gad Al Rab
Chronic idiopathic urticaria (CIU) is one of the mysteries of dermatology. An association between spontaneous CIU and contact allergy sensitization is possible. In this study, we aimed to test the hypothesis that contact allergy might play a role in disease in CIU patients. Furthermore, we examined if patch testing should be routinely performed in patients with chronic urticaria (CU). Ultimately, we concluded that patch testing should be included among the diagnostic procedures for CU.
June 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28685545/decreased-plasma-kallikrein-5-concentrations-in-patients-with-chronic-spontaneous-urticaria
#19
A Grzanka, A Damasiewicz-Bodzek, M Szumska, A Kasperska-Zajac
Little is known about the role of the kallikrein-kinin system in chronic spontaneous urticaria (CSU). Kallikrein 5 (KLK5), a trypsin-like enzyme, is the most abundant in the skin and plays a role in itching and inflammatory reaction. In this study, we determined plasma KLK5 concentration, and its associations with acute phase response in CSU patients. Concentrations of KLK5 in plasma and CRP in serum were measured in patients with CSU of varying severity and in the healthy subjects. Plasma KLK5 concentrations were significantly lower in CSU (all) and moderate-severe CSU patients, as compared with the controls...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28682949/an-analysis-of-substandard-propofol-detected-in-use-in-zambian-anesthesia
#20
Hazel Mumphansha, Jason W Nickerson, Amir Attaran, Sean Overton, Sharon Curtis, Paul Mayer, M Dylan Bould
BACKGROUND: In early 2015, clinicians throughout Zambia noted a range of unpredictable adverse events after the administration of propofol, including urticaria, bronchospasm, profound hypotension, and most predictably an inadequate depth of anesthesia. Suspecting that the propofol itself may have been substandard, samples were procured and sent for testing. METHODS: Three vials from 2 different batches were analyzed using gas chromatography-mass spectrometry methods at the John L...
August 2017: Anesthesia and Analgesia
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