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Asthma exacerbations

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https://www.readbyqxmd.com/read/28079559/strategies-to-alter-the-natural-history-of-childhood-asthma
#1
K A Lee-Sarwar, L B Bacharier, A A Litonjua
PURPOSE OF REVIEW: Asthma exhibits significant heterogeneity in occurrence and severity over the lifespan. Our goal is to discuss recent evidence regarding determinants of the natural history of asthma during childhood, and review the rationale behind and status of major efforts to alter its course. RECENT FINDINGS: Variations in microbial exposures are associated with risk of allergic disease, and the use of bacterial lysates may be a promising preventive strategy...
January 11, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28076656/combined-inhaled-beta-agonist-and-anticholinergic-agents-for-emergency-management-in-adults-with-asthma
#2
REVIEW
Scott W Kirkland, Christine Vandenberghe, Britt Voaklander, Taylor Nikel, Sandra Campbell, Brian H Rowe
BACKGROUND: Inhaled short-acting anticholinergics (SAAC) and short-acting beta₂-agonists (SABA) are effective therapies for adult patients with acute asthma who present to the emergency department (ED). It is unclear, however, whether the combination of SAAC and SABA treatment is more effective in reducing hospitalisations compared to treatment with SABA alone. OBJECTIVES: To conduct an up-to-date systematic search and meta-analysis on the effectiveness of combined inhaled therapy (SAAC + SABA agents) vs...
January 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28076614/association-between-asthma-and-female-sex-hormones
#3
Raquel Prudente de Carvalho Baldaçara, Ivaldo Silva
CONTEXT AND OBJECTIVE: The relationship between sex hormones and asthma has been evaluated in several studies. The aim of this review article was to investigate the association between asthma and female sex hormones, under different conditions (premenstrual asthma, use of oral contraceptives, menopause, hormone replacement therapy and pregnancy). DESIGN AND SETTING: Narrative review of the medical literature, Universidade Federal do Tocantins (UFT) and Universidade Federal de São Paulo (Unifesp)...
January 5, 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28076315/meteorological-parameters-and-pollutants-on-asthma-exacerbation-in-bangalore-india-an-ecological-retrospective-time-series-study
#4
Kirthana U Kunikullaya, Ambarish Vijayaraghava, P Asha, Radhika Kunnavil, B V MuraliMohan
BACKGROUND: Literature has shown a significant association between asthma exacerbations and pollutant levels during that time. There is very limited evidence in India, especially Bangalore, for impacts of meteorological changes and pollution on asthma hospital admissions in adults. The objective was to study the impact of air pollution and meteorological parameters on asthma exacerbation in Bangalore. METHODS: This study quantitatively analyzed the relation between acute exacerbations of asthma and related admissions to the hospital with the air pollution and the meteorological conditions during that time...
January 11, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28075198/impact-of-a-history-of-maternal-depression-and-anxiety-on-asthma-control-during-pregnancy
#5
Luke E Grzeskowiak, Brian Smith, Anil Roy, K Oliver Schubert, Bernhard T Baune, Gustaaf A Dekker, Vicki L Clifton
OBJECTIVE: To determine the impact of self-reported maternal depression/anxiety on asthma control during pregnancy. METHOD: Pregnant women with a doctor diagnosis of asthma (n = 189) were prospectively recruited at their antenatal booking visit and the presence of maternal depression and anxiety was identified using self-report and routine questionnaire assessments. Data on exacerbations and asthma control were collected during gestation. Asthma control was assessed using the Juniper asthma control questionnaire and women were classified as having recurrent uncontrolled asthma if their ACQ score was > 1...
January 11, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28069068/the-sygma-programme-of-phase-3-trials-to-evaluate-the-efficacy-and-safety-of-budesonide-formoterol-given-as-needed-in-mild-asthma-study-protocols-for-two-randomised-controlled-trials
#6
Paul M O'Byrne, J Mark FitzGerald, Nanshan Zhong, Eric Bateman, Peter J Barnes, Christina Keen, Gun Almqvist, Kristine Pemberton, Carin Jorup, Stefan Ivanov, Helen K Reddel
BACKGROUND: In many patients with mild asthma, the low frequency of symptoms and the episodic nature of exacerbations make adherence to regular maintenance treatment difficult. This often leads to over-reliance on short-acting β2-agonist (SABA) reliever medication and under-treatment of the underlying inflammation, with poor control of asthma symptoms and increased risk of exacerbations. The use of budesonide/formoterol 'as needed' in response to symptoms may represent an alternative treatment option for patients with mild asthma...
January 10, 2017: Trials
https://www.readbyqxmd.com/read/28067786/impact-of-air-pollutants-on-outpatient-visits-for-acute-respiratory-outcomes
#7
Ran Li, Ning Jiang, Qichen Liu, Jing Huang, Xinbiao Guo, Fan Liu, Zhancheng Gao
The air pollution in China is a severe problem. The aim of our study was to investigate the impact of air pollutants on acute respiratory outcomes in outpatients. Outpatient data from 2 December 2013 to 1 December 2014 were collected, as well as air pollutant data including ozone (O₃), nitrogen dioxide (NO₂), carbon monoxide (CO), sulfur dioxide (SO₂), and particulate matter (PM2.5 and PM10). We screened six categories of acute respiratory outcomes and analyzed their associations with different air pollutant exposures, including upper respiratory tract infection (URTI), acute bronchitis (AB), community-acquired pneumonia (CAP), acute exacerbation of chronic obstructive pulmonary disease (AECOPD), acute exacerbation of asthma (AE-asthma), and acute exacerbation of bronchiectasis (AEBX)...
January 5, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28065801/frequency-and-severity-of-reactions-to-a-325-mg-aspirin-dose-during-desensitization
#8
Charles F Schuler, James L Baldwin, Alan P Baptist
BACKGROUND: The frequency with which patients with aspirin-exacerbated respiratory disease (AERD) react to 325 mg of aspirin during aspirin desensitization, or fail to react at all, is not fully known. OBJECTIVE: To determine the rate and type of reaction at 325 mg of aspirin during desensitization. METHODS: A retrospective study of 104 patients who underwent aspirin desensitization from 2010 to 2016 was performed. A standard desensitization protocol (starting at 20-40 mg, progressing through 325 mg, and extinguishing reactions by dose repetition) was used...
January 5, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28065336/sublingual-immunotherapy-dosing-regimens-what-is-ideal
#9
Jay J Jin, James T Li, Ludger Klimek, Oliver Pfaar
Sublingual immunotherapy (SLIT) is a treatment for allergic respiratory diseases that has demonstrated efficacy and safety. Several formulations of SLIT are now available worldwide for treatment of allergic rhinitis (AR). Grass tablets containing 15 to 25 μg of group 5 major allergen reduced combined AR symptoms and medication use by 23% to 41% in 3 treatment years and 2 follow-up years. Ragweed pollen tablets (12 μg of Ambrosia artemisiifolia 1) and liquid extracts (50 μg of Ambrosia artemisiifolia 1) reduced combined AR symptoms and medication use by 26% and 43%, respectively...
January 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28063721/point-of-care-lung-ultrasound-of-children-with-acute-asthma-exacerbations-in-the-pediatric-emergency-department
#10
Samantha Dankoff, Patricia Li, Adam J Shapiro, Terry Varshney, Alexander S Dubrovsky
OBJECTIVES: Primary objective was to characterize lung ultrasound findings in children with asthma presenting with respiratory distress to the emergency department (ED). Secondary objectives included correlating these findings with patients' clinical course in the ED. METHODS: Eligible patients 2-17years of age, underwent a lung ultrasound by the study sonographer between November 2014 to December 2015. Positive lung ultrasound was defined as the presence of ≥1 of the following findings: ≥3 B-lines per intercostal space, consolidation and/or pleural abnormalities...
December 26, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28058103/zinc-supplementation-in-children-with-asthma-exacerbation
#11
Sanguansak Rerksuppaphol, Lakkana Rerksuppaphol
Zinc deficiency has demonstrated an association with the risk of asthma. This study aimed to evaluate the efficacy of zinc supplementation in reducing the severity of childhood asthma exacerbation. A number of 42 children with asthma exacerbation admitted to the hospital were randomized to receive either zinc bis-glycinate (30 mg elemental zinc/day) or a placebo in adjuvant to the standard treatment. The pediatric respiratory assessment measure (PRAM) was used to measure the asthma severity. The primary outcome was a change in asthma severity from the baseline to the end of study...
November 17, 2016: Pediatric Reports
https://www.readbyqxmd.com/read/28057119/-impacts-of-airborne-particulate-matter-and-its-components-on-respiratory-system-health
#12
L M Cao, Y Zhou, Z Zhang, W W Sun, G Mu, W H Chen
Nowadays, particulate air pollution has been a global environmental problem. Numerous studies has shown that long-term exposure to high level of airborne particulate matter (PM) can damage human health. Respiratory system, as a direct portal to contact with particulate matter, can be more susceptible to airborne particulates. Summarizing latest five-year epidemiological research, the present review is focused on the effects of PM on respiratory system health in different age groups. In detail, we investigated the harmful effect of PM, or its components on three common respiratory diseases, including lung function decline, chronic obstructive pulmonary disease (COPD) and asthma...
December 6, 2016: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28056587/effects-of-components-of-pm2-5-collected-in-japan-on-the-respiratory-and-immune-systems
#13
Akiko Honda, Wataru Fukushima, Mizuki Oishi, Kenshi Tsuji, Takahiro Sawahara, Tomohiro Hayashi, Hitomi Kudo, Yuji Kashima, Katsuyuki Takahashi, Hideki Sasaki, Kayo Ueda, Hirohisa Takano
Epidemiologic studies have reported that particulate matter with aerodynamic diameters ≤2.5 μm (PM2.5) affect respiratory diseases, including asthma. The components and/or factors of PM2.5 that contribute to the exacerbation of asthma have not been identified. We investigated the effects of extracts of PM2.5 collected in Japan on the respiratory and immune systems. PM2.5 was collected from an industrial area and an urban area in December 2013. Airway epithelial cells and immune cells were exposed to aqueous or organic extracts of PM2...
January 1, 2017: International Journal of Toxicology
https://www.readbyqxmd.com/read/28055270/takotsubo-cardiomyopathy-a-known-unknown-foe-of-asthma
#14
Ourania S Kotsiou, Alexandros Douras, Demosthenes Makris, Nikoleta Mpaka, Konstantinos I Gourgoulianis
INTRODUCTION: Patients with uncontrolled asthma are at a greater risk of asthma attacks requiring emergency room visits or hospital admissions. Takotsubo cardiomyopathy is potentially a significant complication in a course of status asthmaticus. CASE STUDY: We present a 43-year-old female patient who presented with status asthmaticus further complicated with takotsubo cardiomyopathy. RESULTS: Recognizing apical ballooning syndrome is challenging in patients with a history of respiratory disease because the symptoms of the last entity may complicate the diagnostic approach...
January 5, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28055071/improved-muscular-weakness-during-asthma-exacerbation
#15
Stephanie Delstanche, Laurent Servais, Teresa Gidaro
No abstract text is available yet for this article.
January 3, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28055001/protocol-for-a-systematic-review-to-identify-and-weight-the-indicators-of-risk-of-asthma-exacerbations-in-children-aged-5-12-years
#16
Nara Tagiyeva, Susannah McLean, Aziz Sheikh, Steven Julious, Mike Thomas, James Paton, Hilary Pinnock
No abstract text is available yet for this article.
January 5, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28053852/allergic-bronchopulmonary-mycosis-caused-by-penicillium-luteum
#17
Chiyako Oshikata, Maiko Watanabe, Akemi Saito, Hiroshi Yasueda, Kazuo Akiyama, Yoichi Kamata, Naomi Tsurikisawa
A 65-year-old Japanese male had severe bronchial asthma had increased mold-containing sputum. Serum total IgE level had increased to 798 IU/mL and antigen-specific precipitating antibodies to P. luteum and P. notatum were present but not those reactive toward any species of Aspergillus. Chest computed tomography revealed central bronchiectasis and bronchial wall thickness. After antigen-specific provocation with 10 mg/mL of P. luteum, the patient developed asthma exacerbation, but not with A. fumigatus. We present a rare case of Penicillium-induced allergic bronchopulmonary mycosis caused by P...
March 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28052796/genetic-variants-of-the-gasdermin-b-gene-associated-with-the-development-of-aspirin-exacerbated-respiratory-diseases
#18
Lyoung Hyo Kim, HunSoo Chang, Suhg Namgoong, Ji On Kim, Hyun Sub Cheong, Seo-Gyeong Lee, Jong Sook Park, Ae Rin Baek, So-My Koo, Inseon S Choi, Mi-Kyeong Kim, Hea-Sim Park, Choon-Sik Park, Hyoung Doo Shin
BACKGROUND: Aspirin-exacerbated respiratory disease (AERD) is characterized by a severe and sudden asthma attack after aspirin ingestion in patients with asthma. We studied associations with six common single nucleotide polymorphisms (SNP) of the gasdermin B gene (GSDMB). OBJECTIVE: DNA obtained from 572 patients with asthma (with AERD, n = 165; and with aspirin-tolerant asthma, n = 407) and 391 normal controls was subjected to genotyping of six SNPs of GSDMB. METHODS: An association analysis between GSDMB variants and AERD, with a fall rate of the forced expiratory volume in the first second of expiration (FEV1), was performed by using logistic and regression models...
January 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28049208/the-pathogenesis-of-alcohol-induced-airflow-limitation-in-acetaldehyde-dehydrogenase-2-deficient-mice
#19
Terufumi Shimoda, Yasushi Obase, Hiroto Matsuse, Sadahiro Asai, Tomoaki Iwanaga
BACKGROUND: In Japanese patients, alcohol-induced asthma is attributed to elevated plasma concentrations of acetaldehyde following alcohol consumption because of an acetaldehyde dehydrogenase 2 gene (ALDH2) polymorphism. The resulting increase in plasma histamine concentrations seems to trigger the onset of asthma symptoms. However, the specific pathogenic mechanism underlying this response remains unclear. ALDH2-deficient mice were therefore generated to investigate the pathogenesis of alcohol-induced asthma...
January 4, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28046097/glucocorticoid-insensitivity-in-virally-infected-airway-epithelial-cells-is-dependent-on-transforming-growth-factor-%C3%AE-activity
#20
Yuxiu C Xia, Asmaa Radwan, Christine R Keenan, Shenna Y Langenbach, Meina Li, Danica Radojicic, Sarah L Londrigan, Rosa C Gualano, Alastair G Stewart
Asthma and chronic obstructive pulmonary disease (COPD) exacerbations are commonly associated with respiratory syncytial virus (RSV), rhinovirus (RV) and influenza A virus (IAV) infection. The ensuing airway inflammation is resistant to the anti-inflammatory actions of glucocorticoids (GCs). Viral infection elicits transforming growth factor-β (TGF-β) activity, a growth factor we have previously shown to impair GC action in human airway epithelial cells through the activation of activin-like kinase 5 (ALK5), the type 1 receptor of TGF-β...
January 2017: PLoS Pathogens
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