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Atopic dermatitis epidemiology

Linden Disney-Hogg, Alex J Cornish, Amit Sud, Philip J Law, Ben Kinnersley, Daniel I Jacobs, Quinn T Ostrom, Karim Labreche, Jeanette E Eckel-Passow, Georgina N Armstrong, Elizabeth B Claus, Dora Il'yasova, Joellen Schildkraut, Jill S Barnholtz-Sloan, Sara H Olson, Jonine L Bernstein, Rose K Lai, Minouk J Schoemaker, Matthias Simon, Per Hoffmann, Markus M Nöthen, Karl-Heinz Jöckel, Stephen Chanock, Preetha Rajaraman, Christoffer Johansen, Robert B Jenkins, Beatrice S Melin, Margaret R Wrensch, Marc Sanson, Melissa L Bondy, Richard S Houlston
BACKGROUND: An inverse relationship between allergies with glioma risk has been reported in several but not all epidemiological observational studies. We performed an analysis of genetic variants associated with atopy to assess the relationship with glioma risk using Mendelian randomisation (MR), an approach unaffected by biases from temporal variability and reverse causation that might have affected earlier investigations. METHODS: Two-sample MR was undertaken using genome-wide association study data...
March 15, 2018: BMC Medicine
Edyta Krzych-Fałta, Konrad Furmańczyk, Aneta Tomaszewska, Dominik Olejniczak, Bolesław Samoliński, Urszula Samolińska-Zawisza
BACKGROUND: The hygiene hypothesis proposed by Strachan in the 1980s clearly emphasized the role of microorganisms in atopy prevention. OBJECTIVES: The study objective was to assess the preventive role of probiotics in patients with allergic rhinitis, bronchial asthma, atopic dermatitis, and/or food allergy. MATERIAL AND METHODS: The methods used in the study were the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaires for 6-7- and 13-14-year-olds and the European Community Respiratory Health Survey II (ECRHS II) questionnaire targeted for the 20-44 age group...
January 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
C Y Tian, L Sha, C H Liu, Y Q Luo, S Li, M Y Zhao, W Wang, Y Z Chen
Objective: To understand the outcome of asthma in children from urban area of Beijing and the factors associated with the outcome. Methods: A total of 497 children with asthma diagnosed in the epidemiological survey of childhood asthma in urban area of Beijing in 2010 were selected in this study. Telephone follow-up was conducted in 2016 to obtain information about asthma attack, emergency visit, hospitalization, medication and disease control, and data of comorbidities of allergic diseases from 1 year earlier...
March 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
Eli Magen, Tinatin Chikovani, Dan-Andrei Waitman, Natan R Kahan
BACKGROUND: Epidemiologic studies report that alopecia areata (AA) is related to various atopic and autoimmune diseases. The purpose of this study was to identify clinical characteristics and the prevalence of comorbid conditions in Israeli patients with AA. METHODS: This retrospective, matched, case-control study was based on data from an electronic patient record data base. The patients with an electronically documented diagnosis of AA were included in the AA group...
March 1, 2018: Allergy and Asthma Proceedings:
Bridget P Kaufman, Emma Guttman-Yassky, Andrew F Alexis
Atopic dermatitis (AD) is a chronic inflammatory skin condition that affects diverse ethnic groups with varying prevalence. Despite a predominance of studies in individuals of European ancestry, AD has been found to occur more frequently in Asian and black individuals than whites. Therefore, an understanding of the unique clinical features of AD in diverse ethnic groups, as well as the differences in genetic polymorphisms that influence susceptibility to AD and response to current therapies, is paramount for management of an increasingly diverse patient population...
February 19, 2018: Experimental Dermatology
K Ezzedine, E Kechichian
Atopic dermatitis (AD) is a chronic pruriginous skin disease which usually begins during early life (before the age of 2 years). Recently, the persistence of the disease in adulthood has been clearly established at least in a subset of patients, with frequent moderate to severe forms. The exact prevalence of the disease varies according to the study design and its estimate remains difficult mainly because of the lack of consensual diagnostic tools easily usable in population studies. Finally, the disease has a major impact in terms of public health and identification of risk factors for persistence at age adult is therefore of prime importance...
December 2017: Annales de Dermatologie et de Vénéréologie
Michael Schatz, Scott H Sicherer, Robert S Zeiger
An impressive number of clinically impactful studies and reviews were published in The Journal of Allergy and Clinical Immunology: In Practice in 2017. As a service to our readers, the editors provide this Year in Review article to highlight and contextualize the advances published over the past year. We include information from articles on asthma, allergic rhinitis, rhinosinusitis, immunotherapy, atopic dermatitis, contact dermatitis, food allergy, anaphylaxis, drug hypersensitivity, urticarial/angioedema, eosinophilic disorders, and immunodeficiency...
January 31, 2018: Journal of Allergy and Clinical Immunology in Practice
Sang-Yong Eom, Sanghyuk Bae, Ji-Ae Lim, Guen-Bae Kim, Seung-Do Yu, Yangho Kim, Hyun-Sul Lim, Bu-Soon Son, Domyung Paek, Yong-Dae Kim, Heon Kim, Mina Ha, Ho-Jang Kwon
Several epidemiological studies have reported an association between environmental pollution and various health conditions in individuals residing in industrial complexes. To evaluate the effects of pollution from industrial complex on human health, we performed a pooled analysis of environmental epidemiologic monitoring data for residents living near national industrial complexes in Korea. The respiratory and allergic symptoms and the prevalence of acute and chronic diseases, including cancer, were used as the outcome variables for health effects...
January 16, 2018: Environmental Health and Toxicology
Sehee Jo, Tae Jun Kim, Hyuk Lee, Yang Won Min, Byung Hoon Min, Jun Haeng Lee, Hee Jung Son, Poong Lyul Rhee, Sun Young Baek, Sun Woo Kim, Jae J Kim
Background/Aims: Epidemiologic and clinical data indicate that allergies may be associated with reduced risks for several cancers; however, to date, only a few studies have examined the associations between allergies and gastric cancer. This study aimed to examine the associations between allergies and gastric cancer using a large population-based dataset. Methods: This cross-sectional study obtained data from the Korea National Health and Nutrition Examination Survey between 2010 and 2014, involving a total of 24,089 participants...
January 25, 2018: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
Iris Wohlmuth-Wieser, Joyce S Osei, David Norris, Vera Price, Maria K Hordinsky, Angela Christiano, Madeleine Duvic
BACKGROUND/OBJECTIVES: Alopecia areata may occur at any age and is the third-most-common dermatosis in children. The objective of this study was to investigate the clinical and epidemiologic features of children and adolescents with alopecia areata based on the data of the National Alopecia Areata registry on children and adolescents. METHODS: Two thousand two hundred eighteen children and adolescents with alopecia areata self-enrolled in the National Alopecia Areata Registry and completed a web-based, self-administered, short-intake screening questionnaire (first tier)...
January 15, 2018: Pediatric Dermatology
S Barbarot, S Auziere, A Gadkari, G Girolomoni, L Puig, E L Simpson, D J Margolis, M de Bruin-Weller, L Eckert
BACKGROUND: There are gaps in our knowledge of the prevalence of adult atopic dermatitis (AD). OBJECTIVE: To estimate prevalence of AD in adults and by disease severity. METHODS: This international, cross-sectional, web-based survey was performed in the United States, Canada, France, Germany, Italy, Spain, United Kingdom, and Japan. Adult members of online respondent panels were sent a questionnaire for AD identification and severity assessment; demographic quotas ensured population representativeness for each country...
January 10, 2018: Allergy
Landon K Oetjen, Anna M Trier, Brian S Kim
Epidemiological evidence suggests that environmental pollutants contribute to atopic dermatitis, but mechanistic details are currently lacking. Elentner et al. show that PXR, a key transcription factor involved in pollutant metabolism, drives features of subclinical atopic dermatitis. These observations provide new insight into how environmental insults may predispose individuals to atopic dermatitis.
January 2018: Journal of Investigative Dermatology
Frederick E Leickly, Kirsten M Kloepfer, James E Slaven, Girish Vitalpur
OBJECTIVE: To confirm new observations on peanut allergy and answer current concerns that families and healthcare providers have about peanut allergy. STUDY DESIGN: Children who presented with a story of peanut allergy or peanut sensitization were asked to participate in a registry, which allowed an analysis focused on questions that a food allergy support group had about children with peanut allergy or sensitization. RESULTS: A total of 1070 children were entered into the registry over 5 years...
January 2018: Journal of Pediatrics
Bankole Peter Kuti, Kehinde Oluyori Omole
Background: Knowledge about childhood asthma in a locality will assist clinicians to adequately manage the condition. This study set out to report the epidemiology, triggers of exacerbation, comorbid conditions, and severity of childhood asthma at a tertiary health facility in Nigeria and the implication of these, in management and symptoms control. Methods: Over a 15-month study period, children (aged <15 years) with physician-diagnosed asthma were consecutively recruited at the pediatric chest clinic of the hospital...
January 2017: Nigerian Medical Journal: Journal of the Nigeria Medical Association
Osamu Natsume, Yukihiro Ohya
Therapeutic strategy in late 20th century to prevent allergic diseases was derived from a conceptual framework of allergens elimination which was as same as that of coping with them after their onset. Manifold trials were implemented; however, most of them failed to verify the effectiveness of their preventive measures. Recent advancement of epidemiological studies and cutaneous biology revealed epidermal barrier dysfunction plays a major role of allergen sensitization and development of atopic dermatitis which ignites the inception of allergy march...
December 7, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
Marc F Botteman, Abhijeet J Bhanegaonkar, Erica G Horodniceanu, Xiang Ji, Bee Wah Lee, Lynette P Shek, Hugo Ps Van Bever, Patrick Detzel
INTRODUCTION: Previous trials have demonstrated reductions in atopic dermatitis (AD) incidence when healthy, high-risk, non-exclusively breastfed infants were fed until four months of age with 100% whey-based partially hydrolysed formula (PHF-W) versus standard cow's milk formula (CMF). We assessed this intervention's cost-effectiveness in Singapore. METHODS: Modelling techniques were used to simulate, from birth to Month 30, the incidence, and clinical and economic burden of AD in high-risk, non-exclusively breastfed infants fed with PHF-W or CMF for up to four months...
December 7, 2017: Singapore Medical Journal
Zhenyu Wu, Lifu Wang, Yanlai Tang, Xi Sun
The morbidity associated with atopic diseases and immune dysregulation disorders such as asthma, food allergies, multiple sclerosis, atopic dermatitis, type 1 diabetes mellitus, and inflammatory bowel disease has been increasing all around the world over the past few decades. Although the roles of non-biological environmental factors and genetic factors in the etiopathology have been particularly emphasized, they do not fully explain the increase; for example, genetic factors in a population change very gradually...
2017: Frontiers in Microbiology
Yuki M F Andersen, Alexander Egeberg, Carsten R Hamann, Lone Skov, Gunnar H Gislason, Tea Skaaby, Allan Linneberg, Jacob P Thyssen
BACKGROUND: The association between atopic dermatitis (AD) and cardio-metabolic risk factors is not yet established. Furthermore, no validated questionnaire-based method of identifying adults with AD is currently available. OBJECTIVES: To assess the cardio-metabolic risk in adults with a history of AD by using three different questionnaire-based diagnostic criteria. METHODS: We utilized data from a general population study including questionnaire data and objective measurements of 9,656 Danish adults...
November 18, 2017: Allergy
Carmela Avena-Woods
Atopic dermatitis (AD), also known as atopic eczema, is a chronic relapsing inflammatory skin condition. Incidence of AD has increased 2- to 3-fold in industrialized nations, impacting approximately 15% to 20% of children and 1% to 3% of adults worldwide. AD has a wide-ranging impact on a patient's quality of life and the burden from direct and indirect costs (approximately $37.7 billion in out-of-pocket costs) is shared by the families and caregivers of patients with AD. This article reviews the epidemiology, burden of disease, pathophysiology, and diagnostic criteria important for early diagnosis and treatment...
June 2017: American Journal of Managed Care
J Schmitt, A Buske-Kirschbaum, F Tesch, K Trikojat, V Stephan, S Abraham, A Bauer, K Nemat, F Plessow, V Roessner
BACKGROUND: Epidemiologic evidence indicates a relevant association between atopic dermatitis (AD) and attention-deficit/hyperactivity disorder (ADHD). Underlying mechanisms and ways to best identify subgroups of AD patients at risk for ADHD are poorly understood. AIMS OF THE STUDY: To compare sociodemographic, clinical and psychosocial characteristics of children with AD, ADHD, comorbid AD/ADHD and age-matched healthy controls and to investigate aspects of AD related to ADHD symptoms...
October 4, 2017: Allergy
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