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Journal of Asthma: Official Journal of the Association for the Care of Asthma

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https://www.readbyqxmd.com/read/28402696/chronic-cough-and-an-atypical-peripheral-pattern-on-chest-imaging-a-case-report-secondary-to-suspected-drug-onset
#1
Ronnie Alas, Mark Tony Williams, Ghiam Yamin, Mohsen Rofoogaran
INTRODUCTION: Chronic eosinophilic pneumonia (CEP) is an uncommon interstitial lung disease with nonspecific symptoms that is a diagnostic and treatment challenge. The exact pathology is unknown and putatively involves a complex inflammatory cascade associated with the abnormal accumulation of eosinophils. Our patient had a history of adult-onset asthma after initiating TNF-inhibitor therapy. CEP coexisting with asthma has been reported, but never linked to the use of a TNF-inhibitor-as we report here...
April 12, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28399677/elevated-serum-levels-of-tnf-%C3%AE-il-8-and-ecp-can-be-involved-in-the-development-and-progression-of-bronchial-asthma
#2
Xiao-Gang Jiang, Xu-Dong Yang, Zhe Lv, Peng-Hui Zhuang
OBJECTIVE: This study aimed to explore the value of elevated serum levels of tumor necrosis factor-α (TNF-α), interleukin-8 (IL-8) and eosinophil cationic protein (ECP) in the diagnosis of bronchial asthma (BA). METHODS: Totally 170 patients with BA (case group, 85 patients in acute attack and 85 patients in clinical remission) and 150 healthy individuals (control group). Enzyme-linked immunosorbent assay (ELISA) and receiver operating characteristic (ROC) curves were calculated for the contents and diagnostic values of serum TNF-α, IL-8, and ECP in BA...
April 11, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28346792/effects-of-ifn-%C3%AE-on-the-cell-growth-and-the-expression-of-adam33-gene-in-human-embryonic-lung-mrc-5-fibroblasts-in-vitro
#3
Wenjing Li, Rongrong Liang, Huarong Huang, Baojing Wu, Yingqiang Zhong
OBJECTIVE: To investigate the effects of interferon-γ (IFN-γ) on the proliferation and viability of human embryonic lung Mrc-5 fibroblasts in vitro and the expression of the A Disintegrin and Metalloprotease 33 (ADAM33) gene and to explore the mechanism of airway remodeling. METHODS: Mrc-5 fibroblasts were sensitized with Dermatophagoides farinae 1 (Derf1) in vitro to mimic in vivo conditions observed in bronchial asthma. An inverted fluorescence microscope was used to observe changes in cell morphology before and after treatment...
March 27, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28346028/prevalence-and-associated-factors-for-self-reported-asthma-in-a-canadian-population-the-canadian-community-health-survey-2014
#4
Luan M Chu, Punam Pahwa
BACKGROUND: Asthma prevalence is increasing among adults, yet limited information regarding the association between adult asthma and environmental and personal exposures is available using large nationally representative population-based survey. OBJECTIVE: To determine the prevalence of asthma and associated factors for self-reported asthma in a Canadian population aged 12 years and older by using the Canadian Community Health Survey (CCHS) 2014 cross-sectional cohort...
March 27, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28346024/increased-il-4-and-il-17-producing-cd8-cells-are-related-to-decreased-cd39-cd4-foxp3-cells-in-allergic-asthma
#5
Li Ping, Zhen Yang, Qin Zhang, Wei Wang, Jiong Yang
OBJECTIVE: In allergic asthma, regulatory T cell (Treg) number and function are decreased. Antigen primed CD8(+) T cells play an indispensable role in the full development of airway inflammation and airway hyper-responsiveness (AHR) occurring in asthma. In this study, we investigated the relationship between subpopulations of CD8(+) T cells and CD39(+) Tregs. METHODS: Female C57BL/6 mice were used to develop the model of allergic asthma. Experimental mice were immunized with ovalbumin (OVA) by intra-peritoneal (i...
March 27, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28332897/characteristics-of-non-smoking-adult-asthma-patients-with-chronic-airflow-limitation
#6
TunnRen Tay, Xuening Choo, Rosna Ihsan, Hsiao Peng Toh, Hang Siang Wong, Augustine Tee
OBJECTIVE: Chronic airflow limitation (CAL) can develop in a subgroup of patients with asthma. Characterising these patients is important because reduced lung function is a risk factor for adverse asthma outcomes. We hypothesised that heterogeneity in patients with CAL may be influenced by age at asthma onset. We first compared never-smoking asthma patients with and without CAL, and subsequently examined the differences between patients with late and early-onset asthma within the CAL cohort...
March 23, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28332886/inhaler-technique-mastery-and-maintenance-in-healthcare-professionals-trained-on-different-devices
#7
Sinthia Bosnic-Anticevich, Christina Callan, Henry Chrystyn, Federico Lavorini, Vasilis Nikolaou, Vicky Kritikos, P N Richard Dekhuijzen, Nicolas Roche, Leif Bjermer, Cynthia Rand, Nicholas Zwar, David B Price
OBJECTIVE: Healthcare professionals (HCPs) are required to assess and train patients in the correct use of inhalers but are often unable to demonstrate correct technique themselves. We sought to assess the level of training required for HCPs to master and maintain device mastery when using two different dry powder inhalers (DPIs). METHODS: We conducted a randomised, un-blinded, cross-over study in undergraduate HCPs who undertook a six-step training procedure (intuitive use, patient information leaflet, instructional video, individual tuition from expert, then two repeats of individual tuition) for the use of Turbuhaler® (an established device) and Spiromax® (a newer device, reportedly easier to use)...
March 23, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28332885/fragrances-and-work-related-asthma-california-surveillance-data-1993-2012
#8
Justine Lew Weinberg, Jennifer Flattery, Robert Harrison
OBJECTIVE: Fragrance chemicals are used in a large array of products. Workers may be exposed to these chemicals in the workplace directly when used as air fresheners, or indirectly in personal care products used by coworkers or others. This study characterizes work-related asthma (WRA) cases associated with fragrance exposures in California workplaces from 1993 through 2012. METHODS: We used the California Work-Related Asthma Prevention Program's surveillance database to identify individuals with physician-diagnosed WRA associated with the use of air fresheners and scented personal care products (perfumes, colognes, etc...
March 23, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28332884/asthma-control-in-london-secondary-school-children
#9
Katherine Harris, Gioia Mosler, Samson A Williams, Abigail Whitehouse, Rosalind Raine, Jonathan Grigg
OBJECTIVE: The asthma control test (ACT) is a validated tool for assessing control in asthmatic children aged 12 years and older. Using the ACT, we sought to assess asthma control and knowledge in London secondary school children. METHODS: Secondary schools in London, UK, participated in this study. Children with doctor-diagnosed asthma were invited to complete an online questionnaire that included the ACT and questions about asthma. Suboptimal asthma control was defined as an ACT score of ≤ 19 out of a maximum score of 25...
March 23, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28296532/allergic-diseases-smoking-and-environmental-exposure-among-university-students-in-lebanon
#10
Souheil Hallit, Tarek Bou Assy, Rabih Hallit, Pascale Salameh
INTRODUCTION: Smoking habits among university students in Lebanon are not clearly identified, and studies correlating these habits to asthma and allergic diseases are lacking. The primary objective of this study is to assess the asthma and allergic diseases' predictors, particularly cigarette and/or waterpipe smoking and other environmental exposures, among university students. A second objective is to evaluate the potential role of these predictors as correlates of health-related self-assessment...
March 15, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28287286/interleukin-12b-gene-polymorphisms-and-bronchial-asthma-risk-a-meta-analysis
#11
Fangwei Li, Yanting Zhu, Xinming Xie, Rui Ke, Shaojun Li, Lu Liu, Jun Lu, Manxiang Li
OBJECTIVE: This meta-analysis aims to investigate whether interleukin-12B (IL-12B) -1188A/C or the promoter polymorphisms may be a risk factor for asthma. DATA SOURCES: Web of Science, PubMed, China National Knowledge Infrastructure (CNKI) and Wanfang databases were searched (updated August 20, 2015). STUDY SELECTIONS: Articles evaluating the association between IL-12B genetic polymorphisms and asthma risk were selected. RESULTS: 13 eligible studies with a total of 5092 subjects were finally included in this meta-analysis...
March 13, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28287273/novel-monoclonal-treatments-in-severe-asthma
#12
Howraman Meteran, Hanieh Meteran, Celeste Porsbjerg, Vibeke Backer
AIM: To provide a general overview of the current biological treatments and discuss their potential anti-asthmatic effects. DATA SOURCES: We reviewed articles in PubMed found using the search words "Asthma/therapy AND antibodies, monoclonal/therapeutic use AND cytokines." STUDY SELECTIONS: Only articles published in English since 2000 were considered. The search identified 29 studies; 8 additional studies were found by hand search, generating 37 studies...
March 13, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28282228/evaluation-of-exhaled-breath-temperature-ebt-as-a-marker-and-predictor-of-asthma-exacerbation-in-children-and-adolescents
#13
Irena Wojsyk-Banaszak, Marcin Mikoś, Aleksandra Szczepankiewicz, Alicja Wielebska, Paulina Sobkowiak, Aleksandra Kamińska, Anna Bręborowicz
INTRODUCTION: Noninvasive and easy-to-use tools to monitor airway inflammation in asthma are needed to maintain disease control, particularly in pediatric population. The aim of the study was to evaluate exhaled breath temperature (EBT) in pediatric respiratory clinic setting. METHODS: We evaluated 37 children and adolescents with asthma (5-17 years; median: 11 years). The patients were followed up in stable condition and during exacerbations (paired observations in n = 19 subjects)...
March 10, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28282217/long-term-control-medication-use-and-asthma-control-status-among-children-and-adults-with-asthma
#14
Hatice S Zahran, Cathy M Bailey, Xiaoting Qin, Carol Johnson
BACKGROUND: Uncontrolled asthma decreases quality of life and increases health care use. Most people with asthma need daily use of long-term control (LTC) medications for asthma symptoms and to prevent asthma attacks. Ongoing assessment of a person's level of asthma control and medication use is important in determining the effectiveness of current treatment to decrease the frequency and intensity of symptoms and functional limitations. OBJECTIVE: To assess the use of LTC medication among children and adults with current asthma and identify contributing factors for LTC medication use...
March 10, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28332939/pediatric-asthma-hospitalizations-among-urban-minority-children-and-the-continuity-of-primary-care
#15
Levon H Utidjian, Alexander G Fiks, A Russell Localio, Lihai Song, Mark J Ramos, Ron Keren, Louis M Bell, Robert W Grundmeier
OBJECTIVE: To examine the effect of ambulatory health care processes on asthma hospitalizations. METHODS: A retrospective cohort study using electronic health records was completed. Patients aged 2-18 years receiving health care from 1 of 5 urban practices between Jan 1, 2004 and Dec 31, 2008 with asthma documented on their problem list were included. Independent variables were modifiable health care processes in the primary care setting: (1) use of asthma controller medications; (2) regular assessment of asthma symptoms; (3) use of spirometry; (4) provision of individualized asthma care plans; (5) timely influenza vaccination; (6) access to primary healthcare; and (7) use of pay for performance physician incentives...
February 25, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28323488/psychometric-properties-of-a-chinese-asthma-quality-of-life-questionnaire
#16
Ningqun Wang, Xiaobo Huang, Wenqiang Chen, Xiaomei Zhang, Yongsheng Zhang, Yujing Chen
PURPOSE: To assess the acceptability, reliability, validity, and responsiveness of the Chinese Asthma Quality of Life Questionnaire (C-AQLQ) in a sample of Chinese asthma patients. METHODS: The C-AQLQ and Short Form 36 Health Survey (SF-36) scales were administered to patients at baseline and 3 months later. Asthma severity condition and lung function were evaluated. Necessary data were gathered to assess the psychometric properties such as the feasibility, internal consistency, test-retest reliability, structural validity, discriminant validity, convergent validity, and responsiveness of the C-AQLQ...
February 21, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28306357/asthma-causes-inflammation-of-human-pulmonary-arteries-and-decreases-vasodilatation-induced-by-prostaglandin-i2-analogs
#17
Nabil Foudi, Aouatef Badi, Mounira Amrane, Wassim Hodroj
OBJECTIVE: Asthma is a chronic inflammatory disease associated with increased cardiovascular events. This study assesses the presence of inflammation and the vascular reactivity of pulmonary arteries in patients with acute asthma. METHODS: Rings of human pulmonary arteries obtained from non-asthmatic and asthmatic patients were set up in organ bath for vascular tone monitoring. Reactivity was induced by vasoconstrictor and vasodilator agents. Protein expression of inflammatory markers was detected by western blot...
February 21, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28306401/caregiver-s-depressive-symptoms-and-asthma-control-in-children-from-an-underserved-community
#18
Andrea Rioseco, Carolina Serrano, Juan C Celedón, Oslando Padilla, Klaus Puschel, Jose A Castro-Rodriguez
Caregiver's or maternal depression has been associated with increased asthma morbidity in children from prosperous nations, but little is known about this link in low and middle-income countries. OBJECTIVE: To examine if caregiver's depressive symptoms are associated with poor asthma control and abnormal immune responses in school-aged children. METHODS: Case-control study of 87 asthmatic children (aged 4-11 years) attending a primary care clinic in an underserved area of Santiago (Chile)...
February 13, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28135899/insulin-use-increases-risk-of-asthma-but-metformin-use-reduces-the-risk-in-patients-with-diabetes-in-a-taiwanese-population-cohort
#19
Chiung-Zuei Chen, Chih-Hui Hsu, Chung-Yi Li, Tzuen-Ren Hsiue
objective -Recent reports have suggested that insulin promotes airway smooth muscle contraction and enhances airway hyperresponsiveness, which are cardinal features of asthma. In contrast, metformin can reduce both airway inflammatory and remodeling properties. However, these results are all from in vitro and animal studies. This study investigated whether diabetes and various antidiabetic agents associate with the risk of asthma. methods -We used a retrospective population-based cohort study using Taiwan's National Health Insurance claim database from 2000 to 2010 and a Cox proportional hazards regression model to compare the incidence of asthma between patients with diabetes (n = 19,428) and a matched non-diabetic group (n = 38,856)...
January 31, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/27715354/validated-questionnaires-heighten-detection-of-difficult-asthma-comorbidities
#20
Naghmeh Radhakrishna, Tunn Ren Tay, Fiona Hore-Lacy, Robert Stirling, Ryan Hoy, Eli Dabscheck, Mark Hew
OBJECTIVE: Multiple extra-pulmonary comorbidities contribute to difficult asthma, but their diagnosis can be challenging and time consuming. Previous data on comorbidity detection have focused on clinical assessment, which may miss certain conditions. We aimed to locate relevant validated screening questionnaires to identify extra-pulmonary comorbidities that contribute to difficult asthma, and evaluate their performance during a difficult asthma evaluation. METHODS: MEDLINE was searched to identify key extra-pulmonary comorbidities that contribute to difficult asthma...
April 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
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