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Asthma in children

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https://www.readbyqxmd.com/read/29150715/interleukin-33-promotes-helper-t-cell-type-2-17-inflammation-in-children-with-allergic-rhinitis
#1
Yuanming Wang, Chuling Li, Xianglin Luo, Deyu Xu, Yaxiong Xu, Guanquan Li, Fang Liao, Shujuan Tan
OBJECTIVES: Interleukin-33 is a recently described cytokine which involved in helper T cell type-2 (Th2) mediated diseases. However, its regulatory effect in the pathogenesis of children allergic rhinitis (AR) needs to be further characterized. This study aims to evaluate the expression and role of IL-33 in children with AR. METHODS: Forty children with AR and twenty normal controls were included. IL-33 and Th cytokine production in serum and nasal lavage was examined by immunosorbent assay (ELISA), respectively...
November 17, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29150070/decreased-expression-of-indolamine-2-3-dioxygenase-in-childhood-allergic-asthma-and-its-inverse-correlation-with-fractional-concentration-of-exhaled-nitric-oxide
#2
Ying Hu, Zhiqiang Chen, Ling Jin, Mei Wang, Wei Liao
BACKGROUND: The tryptophan metabolic pathway mediated by indolamine 2,3-dioxygenase (IDO), a tryptophan-degrading enzyme, plays an important role in controlling the development of allergic inflammation. The fractional concentration of exhaled nitric oxide (FeNO) is closely associated with the allergic state and is extensively used for the clinical evaluation of airway allergic inflammation. Clinical trials have rarely assessed the expression of IDO in childhood allergic asthma and its correlation with FeNO...
November 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29146272/obstruction-phenotype-as-a-predictor-of-asthma-severity-and-instability-in-children
#3
Ronald L Sorkness, Edward M Zoratti, Meyer Kattan, Peter J Gergen, Michael D Evans, Cynthia M Visness, Michelle Gill, Gurjit K Khurana Hershey, Carolyn M Kercsmar, Andrew H Liu, George T O'Connor, Jacqueline A Pongracic, Dinesh Pillai, Christine A Sorkness, Alkis Togias, Robert A Wood, William W Busse
BACKGROUND: Small airways instability, resulting in premature airway closure, has been recognized as a risk for asthma severity and poor control. Although spirometry has limited sensitivity for detecting small airway dysfunction, a focus on the air-trapping component of obstruction may identify a risk factor for asthma instability. OBJECTIVE: To use spirometric measurements to identify patterns of airway obstruction in children, and define obstruction phenotypes that relate to asthma instability...
November 13, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29144884/adiposity-and-asthma-in-a-nationwide-study-of-children-and-adults-in-the-united-states
#4
Erick Forno, Yueh-Ying Han, Ingrid M Libman, Radhika H Muzumdar, Juan C Celedón
RATIONALE: While obesity has been associated with asthma, body mass index (BMI) is suboptimal to fully characterize adiposity. OBJECTIVES: We examined the relation between adiposity and asthma in a large sample of the U.S. population, using indices defined by dual energy X-ray absorptiometry (DXA). METHODS: We analyzed data from 8,886 children (aged 8-19 years) and 12,795 adults (aged 20-69 years) from the 2001-2006 National Health and Nutrition Examination Survey (NHANES)...
November 16, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29144419/air-pollution-and-dispensed-medications-for-asthma-and-possible-effect-modifiers-related-to-mental-health-and-socio-economy-a-longitudinal-cohort-study-of-swedish-children-and-adolescents
#5
Anna Oudin, Lennart Bråbäck, Daniel Oudin Åström, Bertil Forsberg
It has been suggested that children that are exposed to a stressful environment at home have an increased susceptibility for air pollution-related asthma. The aim here was to investigate the association between air pollution exposure and asthma, and effect modification by mental health and by socio-economic status (as markers of a stressful environment). All individuals under 18 years of age in four Swedish counties during 2007 to 2010 (1.2 million people) were included. The outcome was defined as dispensing at least two asthma medications during follow up...
November 16, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29144247/the-child-opportunity-index-and-disparities-in-pediatric-asthma-hospitalizations-across-one-ohio-metropolitan-area-2011-2013
#6
Andrew F Beck, Bin Huang, Kathryn Wheeler, Nikki R Lawson, Robert S Kahn, Carley L Riley
OBJECTIVES: To determine whether the Child Opportunity Index (COI), a nationally available measure of relative educational, health/environmental, and social/economic opportunity across census tracts within metropolitan areas, is associated with population- and patient-level asthma morbidity. STUDY DESIGN: This population-based retrospective cohort study was conducted between 2011 and 2013 in a southwest Ohio county. Participants included all children aged 1-16 years with hospitalizations or emergency department visits for asthma or wheezing at a major pediatric hospital...
November 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29144244/modes-of-infant-feeding-and-the-risk-of-childhood-asthma-a-prospective-birth-cohort-study
#7
Annika Klopp, Lorena Vehling, Allan B Becker, Padmaja Subbarao, Piushkumar J Mandhane, Stuart E Turvey, Diana L Lefebvre, Malcolm R Sears, Meghan B Azad
OBJECTIVE: To determine whether different modes of infant feeding are associated with childhood asthma, including differentiating between direct breastfeeding and expressed breast milk. STUDY DESIGN: We studied 3296 children in the Canadian Healthy Infant Longitudinal Development birth cohort. The primary exposure was infant feeding mode at 3 months, reported by mothers and categorized as direct breastfeeding only, breastfeeding with some expressed breast milk, breast milk and formula, or formula only...
November 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29144078/presence-of-household-mold-children-s-respiratory-health-and-school-absenteeism-cause-for-concern
#8
Eleoussa Polyzoi, Dimos Polyzois
A study examining the relationship between housing conditions, respiratory health, and school absenteeism was conducted in the city of Winnipeg in Manitoba, Canada. As part of this study, a survey was completed by 3,424 parents of children in grades 3 and 4 to determine the a) relationship between self-reported visible mold in homes and tested airborne mold; b) relationships of self-reported visible mold, tested airborne mold, and asthma and/or persistent colds; c) school absenteeism rates due to asthma and/or persistent colds; and d) children’s socioeconomic status (SES) and incidence of asthma and/or persistent colds...
March 2017: Journal of Environmental Health
https://www.readbyqxmd.com/read/29143982/tweak-fn14-interaction-induces-proliferation-and-migration-in-human-airway-smooth-muscle-cells-via-activating-the-nf-%C3%AE%C2%BAb-pathway
#9
Cuimin Zhu, Leguo Zhang, Zhiming Liu, Chen Li, Yajie Bai
Asthma, an increasingly common chronic disease among children, are characterized by airway remodeling, which is partly attributed to the proliferation and migration of airway smooth muscle cell (ASMC). The purpose of the present study was to investigate potential roles and mechanisms of the tumor necrosis factor-like weak inducer of apoptosis (TWEAK)/fibroblast growth factor-inducible molecule 14 (Fn14) axis on cell proliferation and migration in HASMCs. Compared to HASMCs from non-asthmatic patients, those from asthmatic patients showed elevated expression levels of both Fn14 and TWEAK...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143385/patterns-of-allergic-sensitization-and-atopic-dermatitis-from-1-to-3-years-effects-on-allergic-diseases
#10
C Dharma, D L Lefebvre, M M Tran, W Y W Lou, P Subbarao, A B Becker, P J Mandhane, S E Turvey, M R Sears
BACKGROUND: While allergic sensitization and atopic dermatitis (AD) are known to increase the risk for allergic diseases, the impact of different temporal and clinical patterns of sensitization and AD is less well defined. OBJECTIVE: We investigated patterns of sensitization and AD from early infancy to age 3, and the differential risk for developing allergic diseases within each pattern in a general cohort. METHODS: Children (n=2629) from the Canadian Healthy Infant Longitudinal Development (CHILD) Study underwent skin prick tests and were assessed clinically for AD at ages 1 and 3 years...
November 16, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29143374/asthma-and-lung-function-in-adulthood-after-a-viral-wheezing-episode-in-early-childhood
#11
Katri Backman, Hertta Ollikainen, Eija Piippo-Savolainen, Kirsi Nuolivirta, Matti Korppi
BACKGROUND: Viral etiology of infection has a significant role in the long-term outcome of early-childhood wheezing. OBJECTIVE: This study examines asthma and lung function in adulthood after early-childhood wheezing induced by respiratory syncytial virus (RSV) and rhinovirus (RV). METHODS: A total of 100 children were hospitalized for a wheezing episode at less than 24 months of age from 1992 to 1993 in Kuopio University Hospital (Finland)...
November 16, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29142562/drug-poisoning-and-associated-factors-in-western-saudi-arabia-a-five-year-retrospective-chart-review-2011-2016
#12
Sami H Alzahrani, Ali H Alqahtani, Fayssal Mostafa Farahat, Mohammed Abdel Galil Elnour, Jamil Bashawri
Objective: Drug poisoning is a globally common cause of emergency-room admissions. This study explores drug-poisoning prevalence patterns, associated risk factors (gender, age and exposure circumstances), and outcomes in western Saudi Arabia. Methods: Retrospective analysis of Clinical drug poisoning cases (2011-2016). The data were retrieved from the Saudi Ministry of Health's record and Patients' medical charts were analyzed. Results: The Ministry of Health received 1,474 reports of drug poisoning during 2011-2016...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29137905/emergency-department-chest-radiography-for-children-with-asthma-exacerbation-is-infrequently-associated-with-change-of-management
#13
Evan H Allie, Henry E Dingle, William N Johnson, Jeffrey R Birnbaum, Melissa A Hilmes, Sudha P Singh, Donald H Arnold
BACKGROUND: Acute asthma exacerbations (AAE) account for many Pediatric Emergency Department (PED) visits. Chest radiography (CXR) is often performed in these patients to identify practice-changing findings such as pneumonia (PNA). Limited knowledge exists to balance the cost and radiation dose of CXR with expected yield of clinically meaningful information. OBJECTIVE: To determine in children with AAE with CXR, whether patient characteristics are associated with radiographic PNA; and significant practice change by initiation of antibiotic...
October 6, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29137638/virus-triggered-exacerbation-in-allergic-asthmatic-children-neutrophilic-airway-inflammation-and-alteration-of-virus-sensors-characterize-a-subgroup-of-patients
#14
Antoine Deschildre, Muriel Pichavant, Ilka Engelmann, Carole Langlois, Elodie Drumez, Guillaume Pouessel, Sophie Boileau, David Romero-Cubero, Irina Decleyre-Badiu, Anny Dewilde, Didier Hober, Véronique Néve, Caroline Thumerelle, Stéphanie Lejeune, Clémence Mordacq, Philippe Gosset
BACKGROUND: Viruses are important triggers of asthma exacerbations. They are also detected outside of exacerbation. Alteration of anti-viral response in asthmatic patients has been shown although the mechanisms responsible for this defect remain unclear. The objective of this study was to compare in virus-infected and not-infected allergic asthmatic children, aged 6 to 16 years, admitted to hospital for a severe exacerbation, the innate immune response and especially the expression of pattern recognition receptor (PRR) and their function...
November 14, 2017: Respiratory Research
https://www.readbyqxmd.com/read/29136347/pro-inflammatory-mediator-responses-from-neonatal-airway-epithelial-cells-and-early-childhood-wheeze
#15
Steve Turner, David Miller, Garry M Walsh, Alison Scaife, Ultan F Power, Michael D Shields, Graham Devereux
BACKGROUND: Airway epithelial cell (AEC) function differs between children with and without asthma. Here, we associated neonatal AEC function with asthma symptoms at 4 years of age. METHODS: Nasal AEC were collected from neonates within 48 h of birth. Cells were cultured and stimulated with tumor necrosis factor alpha/interleukin-1 beta (TNFα/IL-1β), lipopolysaccharide (LPS), or house dust mite (HDM). Absolute concentrations of pro-inflammatory mediators in the culture supernatant were quantified and expressed as median [interquartile range] in pg/mg protein...
November 14, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29135968/body-burden-of-dichlorodiphenyl-dichloroethene-dde-and-childhood-pulmonary-function
#16
Pallavi P Balte, Joachim Kühr, Herrman Kruse, Wilfried J J Karmaus
Longitudinal studies have shown that early life exposure to dichlorodiphenyl dichloroethene (DDE) can lead to growth reduction during childhood and adolescence. In addition, DDE exposure has been linked to respiratory tract infections and an increased risk of asthma in children. Our aim was to understand the relationships between DDE exposure and pulmonary function in children, and, particularly, whether associations are mediated by the height of the children. We used data from an environmental epidemiologic study conducted in central Germany in children aged 8-10 years...
November 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29135910/sleep-disordered-breathing-in-children-with-recurrent-wheeze-asthma-a-single-centre-study
#17
Marco Zaffanello, Emma Gasperi, Laura Tenero, Michele Piazza, Angelo Pietrobelli, Luca Sacchetto, Franco Antoniazzi, Giorgio Piacentini
The relationship between asthma and sleep-disordered breathing is bidirectional due to common risk factors that promote airway inflammation. Obstructive sleep-disordered breathing and recurrent wheeze/asthma are conditions that involve the upper and the lower respiratory system, respectively. The aim of the present study was to investigate the sleep disordered breathing in children with recurrent wheeze/asthma. This was a retrospective study concerning children older than 2 years who underwent-between January 2014 and November 2016-an in-laboratory overnight polygraphic study...
November 14, 2017: Children
https://www.readbyqxmd.com/read/29134776/acute-chest-syndrome-among-children-hospitalized-with-vaso-occlusive-crisis-a-nationwide-study-in-the-united-states
#18
Takuto Takahashi, Yusuke Okubo, Atsuhiko Handa
PURPOSE: Acute chest syndrome (ACS) is a common complication among pediatric inpatients with sickle cell disease and vaso-occlusive crisis (VOC). However, little is known about the factors associated with ACS complication. The present study assessed the epidemiological features of children hospitalized with VOC and ascertained factors associated with ACS complication. METHODS: Hospital discharge records of patients with VOC aged <20 years were obtained for the years 2003, 2006, 2009, and 2012 from the Kids' Inpatient Database...
November 14, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29133798/motivational-interviewing-and-urine-cotinine-feedback-to-stop-passive-smoke-exposure-in-children-predisposed-to-asthma-a-randomised-controlled-trial
#19
Sasha G Hutchinson, Gerard van Breukelen, Constant P van Schayck, Brigitte Essers, S Katharine Hammond, Jean W M Muris, Frans J M Feron, Edward Dompeling
We tested the effectiveness of a program consisting of motivational interviewing (MI) and feedback of urine cotinine to stop passive smoking (PS) in children at risk for asthma. Fifty-eight families with children 0-13 years with a high risk of asthma and PS exposure were randomised in a one-year follow-up study. The intervention group received the intervention program during 6 sessions (1/month) and the control group received measurements (questionnaires, urine cotinine, and lung function) only. The primary outcome measure was the percentage of families stopping PS (parental report verified and unverified with the child's urine cotinine concentration <10 μg/l) in children during the intervention program...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29133326/risks-for-comorbidity-in-children-with-atopic-disorders-an-observational-study-in-dutch-general-practices
#20
David H J Pols, Arthur M Bohnen, Mark M J Nielen, Joke C Korevaar, Patrick J E Bindels
OBJECTIVE: This study aimed to investigate both atopic and non-atopic comorbid symptoms and diseases in children with physician-diagnosed atopic disorders (atopic eczema, asthma and allergic rhinitis). METHODS: All children aged 0-18 years listed in a nationwide primary care database (the Netherlands Institute for Health Services Research-Primary Care Database) with routinely collected healthcare data in 2014 were selected. Children with atopic disorders were matched on age and gender with non-atopic controls within the same general practice...
November 12, 2017: BMJ Open
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