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https://www.readbyqxmd.com/read/28636794/differences-and-similarities-between-bronchopulmonary-dysplasia-and-asthma-in-schoolchildren
#1
Björn Nordlund, Anna James, Christina Ebersjö, Gunilla Hedlin, Eva B Broström
BACKGROUND: The long-term respiratory characteristics of ex-preterm children with bronchopulmonary dysplasia (BPD) are not established. The objective of this study was to describe hallmarks of BPD at school age in comparison to children with atopic asthma. METHODS: This study was a cross-sectional descriptive comparative study in a hospital-based setting. Thirty schoolchildren diagnosed with BPD (10.4 years/born at 26.6 weeks' gestation) and 30 age- and sex-matched children with asthma and sensitized to airborne allergens (IgE >0...
June 21, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28631387/umeclidinium-bromide-versus-placebo-for-people-with-chronic-obstructive-pulmonary-disease-copd
#2
REVIEW
Han Ni, Aung Htet, Soe Moe
BACKGROUND: People with chronic obstructive pulmonary disease (COPD) have poor quality of life, reduced survival, and accelerated decline in lung function, especially associated with acute exacerbations, leading to high healthcare costs. Long-acting bronchodilators are the mainstay of treatment for symptomatic improvement, and umeclidinium is one of the new long-acting muscarinic antagonists approved for treatment of patients with stable COPD. OBJECTIVES: To assess the efficacy and safety of umeclidinium bromide versus placebo for people with stable COPD...
June 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28630656/physical-activity-black-carbon-exposure-and-dna-methylation-in-the-foxp3-promoter
#3
Stephanie Lovinsky-Desir, Kyung Hwa Jung, Jacqueline R Jezioro, David Z Torrone, Mariangels de Planell-Saguer, Beizhan Yan, Frederica P Perera, Andrew G Rundle, Matthew S Perzanowski, Steven N Chillrud, Rachel L Miller
BACKGROUND: Physical activity is associated with improvement in lung function; however, pollution exposure during physical activity can lead to a transient reduction in lung function. This paradoxical relationship may be linked to altered T regulatory (Treg) cell activity, which increases with exercise and suppresses airway inflammation, but decreases in association with exposure to air pollution. To clarify these relationships, we investigated buccal cell DNA methylation of the forkhead box p3 (FOXP3) gene promoter, a proposed biomarker of Treg activity...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28630566/the-global-lung-function-initiative-2012-equations-are-as-well-suited-as-local-population-derived-equations-to-a-sample-of-healthy-professional-firefighters
#4
Flynn Slattery, Tjard Schermer, Adrian Esterman, Kylie Johnston, Alan Crockett
BACKGROUND AND OBJECTIVE: We aimed to assess the validity of using the Global Lung Function Initiative's (GLI) 2012 equations to interpret lung function data in a healthy workforce of South Australian Metropolitan Fire Service (SAMFS) personnel. METHODS: Spirometry data from 212 healthy, nonsmoking SAMFS firefighters were collected and predicted normal values were calculated using both the GLI and local population derived (Gore) equations for forced expiratory volume in one second (FEV1), forced vital capacity (FVC), and FEV1/FVC...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28629872/sevoflurane-relieves-lung-function-deterioration-after-cardiopulmonary-bypass
#5
Adam L Balogh, Ferenc Peták, Gergely H Fodor, Roberta Sudy, Barna Babik
OBJECTIVE: To investigate sevoflurane's potential to alleviate the detrimental pulmonary changes after cardiopulmonary bypass (CPB). DESIGN: Prospective, randomized clinical investigation. SETTING: University hospital. PARTICIPANTS: One hundred ninety patients undergoing elective cardiac surgery. INTERVENTIONS: Ninety-nine patients under intravenous anesthesia were administered 1 minimal alveolar concentration of sevoflurane for 5 minutes after being weaned from CPB (group SEV); intravenous anesthesia was maintained in the other 91 patients (group CTRL)...
February 24, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28629419/effect-of-beta-blockers-on-exacerbation-rate-and-lung-function-in-chronic-obstructive-pulmonary-disease-copd
#6
Sean Duffy, Robert Marron, Helen Voelker, Richard Albert, John Connett, William Bailey, Richard Casaburi, J Allen Cooper, Jeffrey L Curtis, Mark Dransfield, MeiLan K Han, Barry Make, Nathaniel Marchetti, Fernando Martinez, Stephen Lazarus, Dennis Niewoehner, Paul D Scanlon, Frank Sciurba, Steven Scharf, Robert M Reed, George Washko, Prescott Woodruff, Charlene McEvoy, Shawn Aaron, Don Sin, Gerard J Criner
BACKGROUND: Beta-blockers are commonly prescribed for patients with cardiovascular disease. Providers have been wary of treating chronic obstructive pulmonary disease (COPD) patients with beta-blockers due to concern for bronchospasm, but retrospective studies have shown that cardio-selective beta-blockers are safe in COPD and possibly beneficial. However, these benefits may reflect symptom improvements due to the cardiac effects of the medication. The purpose of this study is to evaluate associations between beta-blocker use and both exacerbation rates and longitudinal measures of lung function in two well-characterized COPD cohorts...
June 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28629359/forced-expiration-measurements-in-mouse-models-of-obstructive-and-restrictive-lung-diseases
#7
Fien C Devos, André Maaske, Annette Robichaud, Lore Pollaris, Sven Seys, Carolina Aznar Lopez, Erik Verbeken, Matthias Tenbusch, Rik Lories, Benoit Nemery, Peter Hm Hoet, Jeroen Aj Vanoirbeek
BACKGROUND: Pulmonary function measurements are important when studying respiratory disease models. Both resistance and compliance have been used to assess lung function in mice. Yet, it is not always clear how these parameters relate to forced expiration (FE)-related parameters, most commonly used in humans. We aimed to characterize FE measurements in four well-established mouse models of lung diseases. METHOD: Detailed respiratory mechanics and FE measurements were assessed concurrently in Balb/c mice, using the forced oscillation and negative pressure-driven forced expiration techniques, respectively...
June 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28628138/-effects-of-exposure-to-ambient-particulate-matter-and-polycyclic-aromatic-hydrocarbons-on-oxidative-stress-biomarkers-in-the-patients-with-chronic-obstructive-pulmonary-disease
#8
Y Zhang, X M Song, Q Zhao, T Wang, L J Li, J Chen, H B Xu, B B Liu, X Y Sun, B He, W Huang
OBJECTIVE: To investigate the effects of exposure to ambient particulate matter (PM) and polycyclic aromatic hydrocarbons (PAHs) on systemic oxidative stress biomarkers in chronic obstructive pulmonary disease (COPD) patients. METHODS: A panel of forty-five diagnosed and stable COPD patients, whose residences were within 5 kilometers from Peking University Health Science Center (PKUHSC), were recruited and followed up twice between November 2014 and May 2015. The lung function index percentage of forced expiratory volume in 1 second (FEV1) to predicted value (FEV1%pred), was measured to reflect the severity of COPD patients...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28625881/effects-of-exposure-to-biomass-burning-on-pulmonary-inflammatory-markers-and-pulmonary-function-in-individuals-with-copd
#9
D Ramos, M Proença, M R Leite, A D Ferreira, I B Trevisan, G F S Brígida, G Y Tacao, E M C Ramos
INTRODUCTION: Pulmonary rehabilitation (PR) has many benefits for individuals with COPD. However, it is not clear whether PR could prevent the hazards of air pollution exposure. This study aimed to analyze the effects of biomass burning exposure on pulmonary inflammatory markers and pulmonary function in individuals with COPD, participants and non-participants of PR. METHODS: 35 subjects were divided into three groups: individuals with COPD who received PR (G1, n=15), those who did not (G2, n=10), and a control group composed of healthy individuals without COPD (CG, n=10)...
June 15, 2017: Revista Portuguesa de Pneumologia
https://www.readbyqxmd.com/read/28624884/age-at-menarche-and-lung-function-a-mendelian-randomization-study
#10
Dipender Gill, Nuala A Sheehan, Matthias Wielscher, Nick Shrine, Andre F S Amaral, John R Thompson, Raquel Granell, Bénédicte Leynaert, Francisco Gómez Real, Ian P Hall, Martin D Tobin, Juha Auvinen, Susan M Ring, Marjo-Riitta Jarvelin, Louise V Wain, John Henderson, Deborah Jarvis, Cosetta Minelli
A trend towards earlier menarche in women has been associated with childhood factors (e.g. obesity) and hypothesised environmental exposures (e.g. endocrine disruptors present in household products). Observational evidence has shown detrimental effects of early menarche on various health outcomes including adult lung function, but these might represent spurious associations due to confounding. To address this we used Mendelian randomization where genetic variants are used as proxies for age at menarche, since genetic associations are not affected by classical confounding...
June 17, 2017: European Journal of Epidemiology
https://www.readbyqxmd.com/read/28623944/the-effect-of-combining-manual-therapy-with-exercise-for-mild-chronic-obstructive-pulmonary-disease-study-protocol-for-a-randomised-controlled-trial
#11
Roger M Engel, Jaxson Wearing, Peter Gonski, Subramanyam Vemulpad
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a major cause of disability and hospital admission. Current management strategies have not been successful in altering the loss of lung function typically seen as the disease progresses. A recent systematic review into the use of spinal manipulative therapy (SMT) in the management of COPD concluded that there was low level evidence to support the view that a combination of SMT and exercise had the potential to improve lung function more than exercise alone in people with moderate to severe COPD...
June 17, 2017: Trials
https://www.readbyqxmd.com/read/28623538/clinically-promising-biomarkers-in-cystic-fibrosis-pulmonary-exacerbations
#12
REVIEW
L Keith Scott, Robert Toner
Cystic fibrosis is a complex genetic disease hallmarked by repetitive infectious exacerbations that leads to destruction of airway architecture, acute on chronic inflammatory changes, and deterioration in lung function. Predicting an exacerbation may help preempt some of these changes by the initiation of swift antibiotic and anti-inflammatory therapy. A search for biomarkers that could predict exacerbations or help guide duration of antibiotic therapy is being aggressively sought. In this review, we discuss the most recent and promising biomarkers that hopefully will assist in the future management of the CF patient...
June 16, 2017: Lung
https://www.readbyqxmd.com/read/28622568/per-protocol-investigation-of-a-best-practice-exercise-referral-scheme
#13
L Stewart, E Dolan, P Carver, P A Swinton
OBJECTIVES: To investigate the effects of an exercise referral scheme (ERS) aligned to the UK best practice guidelines on a range of outcomes including those associated with key health concerns of the Scottish population. STUDY DESIGN: A longitudinal design with data collection at three time points (baseline, midway and post) during a 12-week ERS intervention was employed. METHODS: Health-related physical fitness was assessed through measurement of resting heart rate, blood pressure, FEV1:FEV6 (ratio of forced expiratory volume over one [FEV1] and six [FEV6] seconds), body mass and peak oxygen uptake (VO2 peak), whilst functional capacity was assessed through the five times sit to stand test...
June 12, 2017: Public Health
https://www.readbyqxmd.com/read/28622385/effect-of-acute-predation-with-bacteriophage-on-intermicrobial-aggression-by-pseudomonas-aeruginosa
#14
Patrick R Secor, Gabriele Sass, Hasan Nazik, David A Stevens
In persons with structural lung disease, particularly those with cystic fibrosis (CF), chronic airway infections cause progressive loss of lung function. CF airways can be colonized by a variety of microorganisms; the most frequently encountered bacterial and fungal pathogens are Pseudomonas aeruginosa and Aspergillus fumigatus, respectively. Co-infection with P. aeruginosa and A. fumigatus often results in a more rapid loss of lung function, indicating that interactions between these pathogens affect infection pathogenesis...
2017: PloS One
https://www.readbyqxmd.com/read/28622333/acute-40-exchange-transfusion-with-hemoglobin-vesicles-in-a-mouse-pneumonectomy-model
#15
Mitsutomo Kohno, Tatsuhiko Ikeda, Ryo Hashimoto, Yotaro Izumi, Masazumi Watanabe, Hirohisa Horinouchi, Hiromi Sakai, Koichi Kobayashi, Masayuki Iwazaki
OBJECTIVES: Hemoglobin vesicles (HbVs) function as a red blood cell (RBC) substitute and are composed of purified hemoglobin encapsulated in a phospholipid bilayer membrane. The performance of HbVs as a substitute for RBC transfusions was examined in a mouse model of pneumonectomy following acute 40% exchange-transfusion with HbVs. METHODS: Before performing left pneumonectomies, 40% of the blood volume of mice was replaced with a) lactated Ringer's solution (control), b) 5% recombinant human serum albumin (rHSA), c) mouse RBCs shed in rHSA (mRBCs/rHSA), or d) HbV suspended in rHSA (HbV/rHSA)...
2017: PloS One
https://www.readbyqxmd.com/read/28621890/reference-data-for-babybody-plethysmographic-measurements-in-chinese-neonates-and-infants
#16
Gaoli Jiang, Albert Li, Libo Wang, Liling Qian, Yun Cao, Jianfeng Huang, Chengzhou Wan, Xiaobo Zhang
BACKGROUND AND OBJECTIVE: Population-specific pulmonary function reference data are essential to identify the nature and severity of respiratory diseases. However, there is a lack of reference data for Chinese neonates and infants. The objective of this study was to develop reference data for tidal breathing and plethysmographic measurements for Chinese subjects during the first 2 years of life. METHODS: Data of tidal breathing and plethysmography from healthy Chinese neonates (≤28 days) and infants (1-24 months) using the Jaeger MasterScreen BabyBody were collated...
June 16, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28621160/epigenome-wide-association-study-of-chronic-obstructive-pulmonary-disease-and-lung-function-in-koreans
#17
Mi Kyeong Lee, Yoonki Hong, Sun-Young Kim, Woo Jin Kim, Stephanie J London
AIM: To identify differentially methylated probes (DMPs) and regions (DMRs) in relation to chronic obstructive pulmonary disease (COPD) and lung function traits. METHODS: We performed an epigenome-wide association study of COPD and spirometric parameters, including forced expiratory volume in 1 s (FEV1), forced vital capacity (FVC) and FEV1/FVC, in blood DNA using the Infinium HumanMethylation450 (n = 100, a Korean COPD cohort). RESULTS: We found one significant DMP (cg03559389, DIP2C) and 104 significant DMRs after multiple-testing correction...
June 16, 2017: Epigenomics
https://www.readbyqxmd.com/read/28620467/recent-advances-in-understanding-lung-function-development
#18
REVIEW
Erik Melén, Stefano Guerra
Recent years have witnessed critical contributions to our understanding of the determinants and long-term implications of lung function development. In this article, we review studies that have contributed to advances in understanding lung function development and its critical importance for lung health into adult life. In particular, we have focused on early life determinants that include genetic factors, perinatal events, environmental exposures, lifestyle, infancy lower respiratory tract infections, and persistent asthma phenotypes...
2017: F1000Research
https://www.readbyqxmd.com/read/28619955/pulmonary-artery-to-aorta-ratio-and-risk-of-all-cause-mortality-in-the-general-population-the-rotterdam-study
#19
Natalie Terzikhan, Daniel Bos, Lies Lahousse, Lennard Wolff, Katia M C Verhamme, Maarten J G Leening, Janine F Felix, Henning Gall, Hossein A Ghofrani, Oscar H Franco, M Arfan Ikram, Bruno H Stricker, Aad van der Lugt, Guy Brusselle
A pulmonary artery to aorta ratio (PA:A) >1 is a proxy of pulmonary hypertension. It is not known whether this measure carries prognostic information in the general population and in individuals with chronic obstructive pulmonary disease (COPD).Between 2003 and 2006, 2197 participants from the population-based Rotterdam Study (mean±sd age 69.7±6.7 years; 51.3% female), underwent cardiac computed tomography (CT) scanning with PA:A quantification, defined as the ratio between the diameters of the pulmonary artery and the aorta...
June 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28619778/in-patients-with-severe-uncontrolled-asthma-does-knowledge-of-adherence-and-inhaler-technique-using-electronic-monitoring-improve-clinical-decision-making-a-protocol-for-a-randomised-controlled-trial
#20
Matshediso C Mokoka, Lorna Lombard, Elaine M MacHale, Joanne Walsh, Breda Cushen, Imran Sulaiman, Damien Mc Carthy, Fiona Boland, Frank Doyle, Eoin Hunt, Desmond M Murphy, John Faul, Marcus Butler, Kathy Hetherington, J Mark FitzGerald, Job Fm van Boven, Liam G Heaney, Richard B Reilly, Richard W Costello
INTRODUCTION: Many patients with asthma remain poorly controlled despite the use of inhaled corticosteroids and long-acting beta agonists. Poor control may arise from inadequate adherence, incorrect inhaler technique or because the condition is refractory. Without having an objective assessment of adherence, clinicians may inadvertently add extra medication instead of addressing adherence. This study aims to assess if incorporating objectively recorded adherence from the Inhaler Compliance Assessment (INCA) device and lung function into clinical decision making provides more cost-effective prescribing and improves outcomes...
June 15, 2017: BMJ Open
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