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https://www.readbyqxmd.com/read/28102970/microbiomes-in-respiratory-health-and-disease-an-asia-pacific-perspective
#1
REVIEW
Sanjay H Chotirmall, Shaan L Gellatly, Kurtis F Budden, Micheál Mac Aogain, Shakti D Shukla, David L A Wood, Philip Hugenholtz, Kevin Pethe, Philip M Hansbro
There is currently enormous interest in studying the role of the microbiome in health and disease. Microbiome's role is increasingly being applied to respiratory diseases, in particular COPD, asthma, cystic fibrosis and bronchiectasis. The changes in respiratory microbiomes that occur in these diseases and how they are modified by environmental challenges such as cigarette smoke, air pollution and infection are being elucidated. There is also emerging evidence that gut microbiomes play a role in lung diseases through the modulation of systemic immune responses and can be modified by diet and antibiotic treatment...
February 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28100824/asthma-copd-overlap-syndrome-showed-more-exacerbations-however-lower-mortality-than-copd
#2
J-W Bai, B Mao, W-L Yang, S Liang, H-W Lu, J-F Xu
BACKGROUND: Asthma-chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) is a new determinate syndrome whose exact characteristics remain unclear. AIM: The objective of this study is to find more difference between ACOS and COPD. DESIGN: A retrospective study of ACOS and COPD in Chinese. METHODS: Data from 65 patients with ACOS and 65 patients with COPD were retrospectively collected and analyzed. The basis of this study was to compare the two groups while ruling out differences in age, sex and smoking history...
January 18, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28100233/the-role-of-the-endothelium-in-asthma-and-chronic-obstructive-pulmonary-disease-copd
#3
REVIEW
Clara E Green, Alice M Turner
COPD and asthma are important chronic inflammatory disorders with a high associated morbidity. Much research has concentrated on the role of inflammatory cells, such as the neutrophil, in these diseases, but relatively little focus has been given to the endothelial tissue, through which inflammatory cells must transmigrate to reach the lung parenchyma and cause damage. There is evidence that there is an abnormal amount of endothelial tissue in COPD and asthma and that this tissue and its' progenitor cells behave in a dysfunctional manner...
January 18, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28099356/increased-risk-of-parkinson-disease-with-diabetes-mellitus-in-a-population-based-study
#4
Yu-Wan Yang, Teng-Fu Hsieh, Chia-Ing Li, Chiu-Shong Liu, Wen-Yuan Lin, Jen-Huai Chiang, Tsai-Chung Li, Cheng-Chieh Lin
This nationwide population-based study investigated the risk of Parkinson disease (PD) in relation to diabetes mellitus (DM) through the National Health Insurance Research Database in Taiwan.A retrospective study was conducted, consisting of 36,294 patients who were newly diagnosed with DM between January 1, 2000 and December 31, 2006 and 108,882 individuals without DM as healthy controls from insurance claims data from Taiwan's National Health Research Institutes Dataset. The subjects were followed up until December 31, 2011 or until the first manifestation of PD...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28093435/asthma-and-lung-cancer-after-accounting-for-co-occurring-respiratory-diseases-and-allergic-conditions-a-systematic-review-protocol
#5
Rachel Denholm, Elizabeth Crellin, Ashwini Arvind, Jennifer Quint
INTRODUCTION: Asthma is one of the most frequently diagnosed respiratory diseases in the UK, and commonly co-occurs with other respiratory and allergic diseases, such as chronic obstructive pulmonary disease (COPD) and atopic dermatitis. Previous studies have shown an increased risk of lung cancer related to asthma, but the evidence is mixed when accounting for co-occurring respiratory diseases and allergic conditions. A systematic review of published data that investigate the relationship between asthma and lung cancer, accounting for co-occurring respiratory and allergic diseases, will be conducted to investigate the independent association of asthma with lung cancer...
January 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/28093224/beta-2-adrenoreceptor-polymorphism-at-position-16-determines-the-clinical-severity-of-chronic-obstructive-pulmonary-disease
#6
Justyna Emeryk-Maksymiuk, Andrzej Emeryk, Paweł Krawczyk, Kamila Wojas-Krawczyk, Janusz Milanowski
The Arg/Arg homozygosity at codon 16 of the beta-2-adrenoreceptor (ADRB2) gene has been thought to predispose asthma patients to a poorer therapeutic response to beta-2-mimetics, or to worse control of the disease. In contrast, the results of the studies analysing the effect of ADRB2 polymorphisms on the response to beta-2-adrenoreceptor agonists in chronic obstructive pulmonary disease (COPD) patients are sparse and inconclusive. The aim of this research was to verify if p.Arg16Gly (c.46A > G) and p.Gly27Glu (c...
January 13, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28089081/asthma-chronic-obstructive-pulmonary-disease-overlap-syndrome-literature-review-and-contributions-towards-a-portuguese-consensus
#7
D Araújo, E Padrão, M Morais-Almeida, J Cardoso, F Pavão, R B Leite, A C Caldas, A Marques
INTRODUCTION: Phenotypic overlap between the two main chronic airway pulmonary diseases, asthma and chronic obstructive pulmonary disease (COPD), has been the subject of debate for decades, and recently the nomenclature of asthma-COPD overlap syndrome (ACOS) was adopted for this condition. The definition of this entity in the literature is, however, very heterogeneous, it is therefore important to define how it applies to Portugal. METHODS: A literature review of ACOS was made in a first phase resulting in the drawing up of a document that was later submitted for discussion among a panel of chronic lung diseases experts, resulting in reflexions about diagnosis, treatment and clinical guidance for ACOS patients...
January 6, 2017: Revista Portuguesa de Pneumologia
https://www.readbyqxmd.com/read/28088797/automated-interpretation-of-pulmonary-function-tests-in-adults-with-respiratory-complaints
#8
Marko Topalovic, Stefan Laval, Jean-Marie Aerts, Thierry Troosters, Marc Decramer, Wim Janssens
BACKGROUND: The use of pulmonary function tests is primarily based on expert opinion and international guidelines. Current interpretation strategies are using predefined cutoffs for the description of a typical pattern. OBJECTIVES: We aimed to explore the predicted disease outcome based on the American Thoracic Society/European Respiratory Society (ATS/ERS) interpreting strategy. Subsequently, we investigated whether an unbiased machine learning framework integrating lung function with clinical variables may provide alternative decision trees resulting in a more accurate diagnosis...
January 12, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28087547/risk-of-pneumonia-in-patients-with-isolated-minor-rib-fractures-a-nationwide-cohort-study
#9
Sai-Wai Ho, Ying-Hock Teng, Shun-Fa Yang, Han-Wei Yeh, Yu-Hsun Wang, Ming-Chih Chou, Chao-Bin Yeh
OBJECTIVES: Isolated minor rib fractures (IMRFs) after blunt chest traumas are commonly observed in emergency departments. However, the relationship between IMRFs and subsequent pneumonia remains controversial. This nationwide cohort study investigated the association between IMRFs and the risk of pneumonia in patients with blunt chest traumas. DESIGN: Nationwide population-based cohort study. SETTING: Patients with IMRFs were identified between 2010 and 2011 from the Taiwan National Health Insurance Research Database...
January 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/28079275/non-malignant-respiratory-disease-among-workers-in-industries-using-styrene-a-review-of-the-evidence
#10
REVIEW
Randall J Nett, Jean M Cox-Ganser, Ann F Hubbs, Avima M Ruder, Kristin J Cummings, Yuh-Chin T Huang, Kathleen Kreiss
BACKGROUND: Asthma and obliterative bronchiolitis (OB) cases have occurred among styrene-exposed workers. We aimed to investigate styrene as a risk factor for non-malignant respiratory disease (NMRD). METHODS: From a literature review, we identified case reports and assessed cross-sectional and mortality studies for strength of evidence of positive association (i.e., strong, intermediate, suggestive, none) between styrene exposure and NMRD-related morbidity and mortality...
February 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28076530/factors-associated-with-chronic-obstructive-pulmonary-disease-among-the-elderly
#11
Ana Teresa Fernandes Barbosa, Jair Almeida Carneiro, Gizele Carmen Fagundes Ramos, Maísa Tavares Leite, Antônio Prates Caldeira
This study aimed to identify factors associated with Chronic Obstructive Pulmonary Disease (COPD) among non-institutionalized elderly people. It involved a cross-sectional study conducted on the basis of a household survey, followed by spirometry. People diagnosed with COPD were compared with those with normal spirometry, through bivariate analysis, followed by multivariate regression analysis. We identified 53 elderly people were identified with COPD. After multivariate analysis, the following factors associated with COPD were identified: past or current smoking (OR: 3...
January 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28076424/sensitization-of-trpa1-by-protein-kinase-a
#12
Jannis E Meents, Michael J M Fischer, Peter A McNaughton
The TRPA1 ion channel is expressed in nociceptive (pain-sensitive) somatosensory neurons and is activated by a wide variety of chemical irritants, such as acrolein in smoke or isothiocyanates in mustard. Here, we investigate the enhancement of TRPA1 function caused by inflammatory mediators, which is thought to be important in lung conditions such as asthma and COPD. Protein kinase A is an important kinase acting downstream of inflammatory mediators to cause sensitization of TRPA1. By using site-directed mutagenesis, patch-clamp electrophysiology and calcium imaging we identify four amino acid residues, S86, S317, S428, and S972, as the principal targets of PKA-mediated phosphorylation and sensitization of TRPA1...
2017: PloS One
https://www.readbyqxmd.com/read/28074723/-a-woman-with-excessive-dynamic-airway-collapse
#13
R L T N Salden, S Postma
BACKGROUND: 'Excessive dynamic airway collapse' (EDAC) is a form of tracheamalacia, that does not affect the rings of cartilage on the anterior side of the trachea, but in which the posterior wall of the trachea collapses during inspiration and expiration. CASE DESCRIPTION: An 80 year-old woman presented to the accident and emergency department with dyspnoea and severe inspiratory and expiratory stridor, with sudden onset a few hours previously. Following a series of investigations, she was shown to have a narrowing of the trachea, radiating from the posterior wall...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28068996/non-linear-parameters-of-specific-resistance-loops-to-characterise-obstructive-airways-diseases
#14
Marko Topalovic, Vasileios Exadaktylos, Thierry Troosters, Geert Celis, Jean-Marie Aerts, Wim Janssens
BACKGROUND: Specific resistance loops appear in different shapes influenced by different resistive properties of the airways, yet their descriptive ability is compressed to a single parameter - its slope. We aimed to develop new parameters reflecting the various shapes of the loop and to explore their potential in the characterisation of obstructive airways diseases. METHODS: Our study included 134 subjects: Healthy controls (N = 22), Asthma with non-obstructive lung function (N = 22) and COPD of all disease stages (N = 90)...
January 9, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28068678/literature-review-of-gender-differences-in-respiratory-conditions-a-focus-on-asthma-and-chronic-obstructive-pulmonary-disease-copd
#15
Chiara Cadeddu, Silvio Capizzi, Delia Colombo, Mihaela Nica, Antonio Giulio De Belvis
BACKGROUND: Gender differences are evident in many common health conditions, especially respiratory diseases such as asthma and chronic obstructive pulmonary disease (COPD). The aim of this review was to identify published studies describing gender differences in asthma and COPD, in particular regarding pathophysiology, diagnosis and treatment, with a focus on Italian data. METHODS: a literature review was performed from April to November 2015, using the PubMed scientific database and the following ??eywords: "gender differences" and "asthma" for the asthma review and "gender differences" and "COPD" for the COPD review...
September 2016: Igiene e Sanità Pubblica
https://www.readbyqxmd.com/read/28067786/impact-of-air-pollutants-on-outpatient-visits-for-acute-respiratory-outcomes
#16
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/28065689/virtual-teach-to-goal%C3%A2-adaptive-learning-of-inhaler-technique-for-inpatients-with-asthma-or-copd
#17
Valerie G Press, Colleen A Kelly, John J Kim, Steven R White, David O Meltzer, Vineet M Arora
BACKGROUND: Asthma and chronic obstructive pulmonary disease (COPD) result in more than 1 million hospitalizations annually. Most hospitalized patients misuse respiratory inhalers. This misuse can be corrected with in-person education; however, this strategy is resource intensive and skills wane quickly after discharge. OBJECTIVE: The objective of this study was to develop and pilot a virtual teach-to-goal™ (V-TTG™) inhaler skill training module, using innovative adaptive learning technology...
January 5, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28065679/acute-cardiovascular-safety-of-two-formulations-of-beclometasone-dipropionate-formoterol-fumarate-in-copd-patients-a-single-dose-randomised-placebo-controlled-crossover-study
#18
Dave Singh, Giorgia Ciurlia, Annalisa Piccinno, Annamaria Muraro, Maria Bocchi, Mario Scuri
INTRODUCTION: An extrafine combination of beclometasone dipropionate (BDP) and formoterol fumarate (FF) via a pressurised metered-dose inhaler (pMDI) has been commercially available for some years for the management of asthma and chronic obstructive pulmonary disease (COPD). A dry powder inhaler (DPI) formulation of extrafine BDP/FF is now also available. This study evaluated the cardiovascular safety of BDP/FF DPI in comparison to BDP/FF pMDI and placebo. METHODS: Single-dose, partially-blind, randomised, placebo-controlled, 5-period crossover study...
January 5, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28063900/smoker-extracellular-vesicles-influence-status-of-human-bronchial-epithelial-cells
#19
Amélie Héliot, Yann Landkocz, Françoise Roy Saint-Georges, Pierre Gosset, Sylvain Billet, Pirouz Shirali, Dominique Courcot, Perrine J Martin
Cigarette smoking is a habit that has spread all over the world and is a significant risk factor for many diseases including cardiovascular disease, chronic obstructive pulmonary disease (COPD), asthma and lung cancer. Evaluation and understanding of tobacco health effects are of major interest worldwide and answer to important societal concerns. Identification of new biomarkers of exposure to tobacco smoke potentially implicated in COPD or lung carcinogenesis would allow a better observation of tobacco exposed population, thanks to screening establishment at reversible stages of pathological processes...
December 30, 2016: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28062365/assessment-of-new-generation-high-power-electronic-nicotine-delivery-system-as-thermal-aerosol-generation-device-for-inhaled-bronchodilators
#20
Jérémie Pourchez, Fabien de Oliveira, Sophie Perinel-Ragey, Thierry Basset, Jean-Michel Vergnon, Nathalie Prévôt
PURPOSE: A need remains for alternative devices for aerosol drug delivery that are low cost, convenient and easy to use for the patient, but also capable of producing small-sized aerosol particles. This study investigated the potential of recent high power electronic nicotine delivery systems (ENDS) as aerosol generation devices for inhaled bronchodilators. METHODS: The particle size distribution was measured using a cascade impactor. The delivery of terbutaline sulfate, a current bronchodilator used for asthma or COPD therapy by inhalation, was studied...
January 4, 2017: International Journal of Pharmaceutics
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