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Childhood asthma

Valentina Gallo, F Nicole Dijk, John W Holloway, Susan M Ring, Gerard H Koppelman, Dirkje S Postma, David P Strachan, Raquel Granell, Johan C de Jongste, Vincent W V Jaddoe, Herman T den Dekker, Liesbeth Duijts, A John Henderson, Seif O Shaheen
BACKGROUND: Animal data have suggested that the transient receptor potential ankyrin-1 (TRPA1) ion channel plays a key role in promoting airway inflammation in asthma and may mediate effects of paracetamol on asthma, yet confirmatory human data are lacking. To study associations of TRPA1 gene variants with childhood asthma and total IgE concentration, and interactions between TRPA1 and prenatal paracetamol exposure on these outcomes. METHODS: We analysed associations between 31 TRPA1 single nucleotide polymorphisms (SNPs) and current doctor-diagnosed asthma and total IgE concentration at 7...
October 25, 2016: Pediatric Allergy and Immunology
Maxwell S Barnish, Nara Tagiyeva, Graham Devereux, Lorna Aucott, Steve Turner
BACKGROUND: Childhood asthma is a common condition whose prevalence is changing. We hypothesised that the relationship between asthma and associated risk factors has changed over a 50-year period. METHODS: An ecological study design was used. Children aged 8-13 attending schools in Aberdeen city were surveyed on seven occasions between 1964 and 2014. The following were determined: history of asthma, history of eczema, parental smoking, parental asthma, sex and socioeconomic status...
October 25, 2016: Pediatric Allergy and Immunology
Jun Mori, Daisuke Kaneda, Atsushi Fujiki, Kenichi Isoda, Tomoya Kotani, Yo Ushijima
Swyer-James syndrome is a rare syndrome that occurs as a result of repeated bronchiolitis and pneumonitis in childhood. Most cases are asymptomatic, and subsequent diagnosis may not occur until adulthood. We present the case of a 7-year-old female with Swyer-James syndrome, which was initially diagnosed and treated as asthma. The patient developed respiratory distress and atelectasis which were treated with biphasic cuirass ventilation. This case suggests that Swyer-James syndrome should be a concern in patients with chronic cough and wheezing, and highlights the importance of taking a careful history and appropriate radiological investigations for diagnosis...
September 19, 2016: Pediatric Reports
Stefano R Del Giacco, Arzu Bakirtas, Elizabeth Bel, Adnan Custovic, Zuzana Diamant, Eckard Hamelmann, Enrico Heffler, Ömer Kalayci, Sejal Saglani, Svetlana Sergejeva, Sven Seys, Angela Simpson, Leif Bjermer
It is well recognized that atopic sensitisation is an important risk factor for asthma, both in adults and in children. However, the role of allergy in severe asthma is still under debate. The term "Severe Asthma" encompasses a highly heterogeneous group of patients who require treatment on steps 4-5 of GINA guidelines to prevent their asthma from becoming "uncontrolled", or whose disease remains "uncontrolled" despite this therapy. Epidemiological studies on emergency room visits and hospital admissions for asthma suggest the important role of allergy in asthma exacerbations...
October 24, 2016: Allergy
John Slattery, Derrick F MacFabe, Richard E Frye
Recent studies have highlighted the fact that the enteric microbiome, the trillions of microbes that inhabit the human digestive tract, has a significant effect on health and disease. Methods for manipulating the enteric microbiome, particularly through probiotics and microbial ecosystem transplantation, have undergone some study in clinical trials. We review some of the evidence for microbiome alteration in relation to childhood disease and discuss the clinical trials that have examined the manipulation of the microbiome in an effort to prevent or treat childhood disease with a primary focus on probiotics, prebiotics, and/or synbiotics (ie, probiotics + prebiotics)...
2016: Clinical Medicine Insights. Pediatrics
Luisa N Borrell, Lisa Graham, Sharon P Joseph
OBJECTIVES: To examine the association of neighborhood safety and support with overweight and obesity and whether these associations vary with age, sex, and race/ethnicity among children and adolescents. DESIGN: Cross-sectional. SETTING: United States. MAIN OUTCOME MEASURES: Childhood overweight and obesity. METHODS: We used data from the 2011-12 National Survey of Children's Health, a representative sample of US children and adolescents, for the analyses (N=40,730)...
October 20, 2016: Ethnicity & Disease
Alexander J Hose, Martin Depner, Sabina Illi, Susanne Lau, Thomas Keil, Ulrich Wahn, Oliver Fuchs, Petra Ina Pfefferle, Elisabeth Schmaußer-Hechfellner, Jon Genuneit, Roger Lauener, Anne M Karvonen, Caroline Roduit, Jean-Charles Dalphin, Josef Riedler, Juha Pekkanen, Erika von Mutius, Markus J Ege, Carl Peter Bauer, Johannes Forster, Fred Zepp, Volker Wahn, Antje Schuster, Renate L Bergmann, Karl E Bergmann, Andreas Reich, Linus Grabenhenrich, Bianca Schaub, Georg J Loss, Harald Renz, Michael Kabesch, Marjut Roponen, Anne Hyvärinen, Pekka Tiittanen, Sami Remes, Charlotte Braun-Fahrländer, Remo Frei, Vincent Kaulek, Marie-Laure Dalphin, Gert Doekes, Nicole Blümer, Urs Frey
BACKGROUND: Phenotypes of childhood-onset asthma are characterized by distinct trajectories and functional features. For atopy, definition of phenotypes during childhood is less clear. OBJECTIVE: To define phenotypes of atopic sensitization over the first 6 years of life by a latent class analysis (LCA) integrating three dimensions of atopy: allergen specificity, time course, and levels of specific IgE. METHODS: Phenotypes were defined by LCA in 680 children of the MAS and 766 of the PASTURE birth cohorts and compared to classical non-disjunctive definitions of seasonal, perennial, and food sensitization with respect to atopic diseases and lung function...
October 19, 2016: Journal of Allergy and Clinical Immunology
Anita Kozyrskyj, Nicole Letourneau, Liane Kang, Mahin Salmani
BACKGROUND: Affecting 19% of women, postpartum depression is a major concern to the immediate health of mothers and infants. In the longterm, it has been linked to the development of early-onset asthma at school entry, but only if the depression persists beyond the postnatal period. No studies have tested whether associations with postpartum depressive symptoms and early-onset asthma phenotypes persist into later school age. OBJECTIVE: To determine associations between maternal postpartum depressive symptoms and childhood asthma between the ages of 5-10 by using a nested longitudinal design...
October 22, 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
Lianne M Tomfohr-Madsen, Hamideh Bayrampour, Suzanne Tough
OBJECTIVES: Exposure to child abuse (CA) is associated with an increased risk of developing asthma and allergies; it is unknown if that risk is present across generations. This study investigated if 2-year-old children born to mothers with a history of CA were at an increased risk of receiving a diagnosis of asthma or allergies. METHODS: Data from 1,551 participants were collected as part of the All Our Babies (AOB) study, a prospective pregnancy cohort. During pregnancy, each woman provided information about her own history of CA, and at 24 months postpartum, she provided information about her child's medical diagnoses...
October 19, 2016: Psychosomatic Medicine
Christian Bime, Joe K Gerald, Christine Y Wei, Janet T Holbrook, William G Teague, Robert A Wise, Lynn B Gerald
The childhood Asthma-Control Test (C-ACT) is validated for assessing asthma control in paediatric asthma. Among children aged 4-11 years, the C-ACT requires the simultaneous presence of both parent and child. There is an unmet need for a tool that can be used to assess asthma control in children when parents or caregivers are not present such as in the school setting. We assessed the psychometric properties and estimated the minimally important difference (MID) of the C-ACT and a modified version, comprising only the child responses (C-ACTc)...
October 20, 2016: NPJ Primary Care Respiratory Medicine
Kelly W Reeves, Yhenneko Taylor, Hazel Tapp, Thomas Ludden, Lindsay E Shade, Beth Burton, Cheryl Courtlandt, Michael Dulin
OBJECTIVE: Asthma is a common childhood chronic lung disease affecting greater than 10% of children in the United States. School nurses are in a unique position to close gaps in care. Indeed, effective asthma management is more likely to result when providers, family, and schools work together to optimize the patient's treatment plan. Currently, effective communication between schools and healthcare systems through electronic medical record (EMR) systems remains a challenge. The goal of this feasibility pilot was to link the school-based care team with primary care providers in the healthcare system network via electronic communication through the EMR, on behalf of pediatric asthma patients who had been hospitalized for an asthma exacerbation...
October 19, 2016: Applied Clinical Informatics
Fozia Roked, Jonathan North
No abstract text is available yet for this article.
October 18, 2016: Archives of Disease in Childhood. Education and Practice Edition
C Gonçalves, G Wandalsen, F Lanza, A L Goulart, D Solé, A Dos Santos
BACKGROUND: Prevalence of allergic diseases and impaired pulmonary function may be high in children born prematurely. This study aimed to assess pulmonary function and prevalence of asthma, atopic diseases and allergic sensitisation in these patients. METHODS: A cross-sectional study was conducted with children aged 6-14 years who were born prematurely with birth weight <2000g from January 2008 to May 2011. Exclusion criteria were: major malformations, or acute respiratory disorders...
October 15, 2016: Allergologia et Immunopathologia
Joachim Heinrich, Guo Feng, Mary Jo Trepka
BACKGROUND: Although mercury exposure has been associated with several adverse health effects, the association with childhood asthma is under-investigated. Therefore, we explore the association between mercury and childhood asthma in a population with low mercury levels. METHODS: Mercury levels were measured in blood and urine in 1,056 children aged 5-14 years. In addition to including questions about asthma diagnosis and wheezing, the study measured bronchial hyper-responsiveness and allergic sensitization to common aeroallergens...
October 6, 2016: Epidemiology
Ahmed A Arif, Elizabeth Racine
Objective The objective of this study was to examine the relationship of breastfeeding duration with childhood asthma among low-income families in Karachi, Pakistan. Methods Mothers/caregivers of two-hundred children with asthma and an equal number of children without asthma were interviewed about breastfeeding duration. Based on the responses, six different binary variables were constructed: breastfeeding three months or less, six months or less, nine months or less, 12 months or less, 18 months or less, and 24 months or less...
October 18, 2016: Journal of Asthma: Official Journal of the Association for the Care of Asthma
Meng-Yao Xie, Yong-Hua Yuan, Li-Mei Liu, Rong Gu, Xiao-Dong Zhao
OBJECTIVE: To evaluate the association between the use of antibacterial agents in the first years of life and childhood asthma. METHODS: The Chinese and English databases CNKI, Wanfang Data, VIP, PubMed, and EBSCO were searched for prospective cohort studies on the association between the use of antibacterial agents in the first years of life and childhood asthma. Stata12.0 software was used to analyze the association through a Meta analysis. RESULTS: The articles with a high quality score and adjusted effective values for factors for lower respiratory tract infection were pooled, and a total of 8 studies were included...
October 2016: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
Edith Chen, Madeleine U Shalowitz, Rachel E Story, Katherine B Ehrlich, Cynthia S Levine, Robin Hayen, Adam K K Leigh, Gregory E Miller
OBJECTIVES: The objective of this study was to investigate 2 key dimensions of socioeconomic status (SES)-prestige and resources-and their associations with immune, behavioral, and clinical outcomes in childhood asthma. METHODS: Children ages 9 to 17 years with a physician's diagnosis of asthma (N = 150), and one of their parents participated in this study. Children and parents completed interviews and questionnaires about SES (prestige = parent education; resources = family assets), environmental exposures, and clinical asthma measures...
September 30, 2016: Psychosomatic Medicine
Tarig Ali-Dinar, Jason E Lang
Obesity is a major risk factor for several conditions including atherosclerotic disease, metabolic syndrome, and upper airway dysfunction. However, the purported link between obesity and asthma has remained more difficult to define, in part due to limitations in past epidemiologic studies and the inherent challenge in accurately defining asthma in children. It is possible that obesity leads to asthma only in the presence of a mediating variable such as an obesity-related conditions such as esophageal reflux or insulin resistance...
October 17, 2016: Pediatric Pulmonology
Ivana V Yang, Brent S Pedersen, Andrew H Liu, George T O'Connor, Dinesh Pillai, Meyer Kattan, Rana Tawil Misiak, Rebecca Gruchalla, Stanley J Szefler, Gurjit K Khurana Hershey, Carolyn Kercsmar, Adam Richards, Allen D Stevens, Christena A Kolakowski, Melanie Makhija, Christine A Sorkness, Rebecca Z Krouse, Cynthia Visness, Elizabeth J Davidson, Corinne E Hennessy, Richard J Martin, Alkis Togias, William W Busse, David A Schwartz
BACKGROUND: Given the strong environmental influence on both epigenetic marks and allergic asthma in children, the epigenetic alterations in respiratory epithelia might provide insight into allergic asthma. OBJECTIVE: We sought to identify DNA methylation and gene expression changes associated with childhood allergic persistent asthma. METHODS: We compared genomic DNA methylation patterns and gene expression in African American children with persistent atopic asthma (n = 36) versus healthy control subjects (n = 36)...
October 13, 2016: Journal of Allergy and Clinical Immunology
Laziyan Mahemuti, Qixuan Chen, Melanie C Coughlan, Min Zhang, Maria Florian, Ryan J Mailloux, Xu-Liang Cao, Kylie A Scoggan, William G Willmore, Xiaolei Jin
Bisphenol A (BPA) has been shown to exert biological effects through estrogen receptor (ER)-dependent and ER-independent mechanisms. Recent studies suggest that prenatal exposure to BPA may increase the risk of childhood asthma. To investigate the underlying mechanisms in the actions of BPA, human fetal lung fibroblasts (hFLFs) were exposed to varying doses of BPA in culture for 24hr. Effects of BPA on localization and uptake of BPA, cell viability, release of immune and developmental modulators, cellular localization and expression of ERα, ERβ and G-protein coupled estrogen receptor 30 (GPR30), and effects of ERs antagonists on BPA-induced changes in endothelin-1 (ET-1) release were examined...
October 2016: Journal of Environmental Sciences (China)
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