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Cigarette smoke (CS) induces lung cellular senescence that plays an important role in the pathogenesis of chronic obstructive pulmonary disease (COPD).,How aging influences cellular senescence and other molecular hallmarks, and increases the risk of CS-induced damage remains unknown.,We hypothesized that aging-associat...
Chronic Obstructive Pulmonary disease (COPD) is an inflammatory syndrome that represents an increasing health problem, especially in the elderly population.,Drug therapies are symptomatic and inadequate to contrast disease progression and mortality.,Thus, there is an urgent need to clarify the molecular mechanisms resp...
1
There is good evidence to suggest that chronic obstructive pulmonary disease (COPD) increases the risk of ischaemic heart disease, in particular myocardial infarction (MI).,The relationship between stroke and COPD, however, is not as well established, and studies conducted to date have generated conflicting results.,ME...
Retrospective studies based on clinical data and without spirometric confirmation suggest a poorer prognosis of patients with ischemic heart disease (IHD) and chronic obstructive pulmonary disease (COPD) following percutaneous coronary intervention (PCI).,The impact of undiagnosed COPD in these patients is unknown.,We ...
1
Chronic obstructive pulmonary disease (COPD) is characterised by progressive airflow obstruction that is only partly reversible, inflammation in the airways, and systemic effects or comorbities.,The main cause is smoking tobacco, but other factors have been identified.,Several pathobiological processes interact on a co...
The morbidity and mortality associated with COPD exacts a considerable economic burden.,Comorbidities in COPD are associated with poor health outcomes and increased costs.,Our objective was to assess the impact of comorbidities on COPD-associated costs in a large administrative claims dataset.,This was a retrospective ...
1
The present study investigated whether erythromycin (ERY) reduces cigarette smoke (CS)-induced emphysema in rats and aimed to determine the anti-inflammatory effect of ERY, which may identify potential treatments for chronic obstructive pulmonary disease.,Furthermore, the current study focused on the potential effects ...
Chronic exposure to high levels of ozone induces emphysema and chronic inflammation in mice.,We determined the recovery from ozone-induced injury and whether an antioxidant, N-acetylcysteine (NAC), could prevent or reverse the lung damage.,Mice were exposed to ozone (2.5 ppm, 3 hours/12 exposures, over 6 weeks) and stu...
1
The aim of this study is to quantify the burden of chronic obstructive pulmonary disease (COPD) - incidence, prevalence, and mortality - and identify trends in Australia, Canada, France, Germany, Italy, Japan, The Netherlands, Spain, Sweden, the United Kingdom, and the United States of America.,A structured literature ...
The Wnt pathway mediates differentiation of epithelial tissues; depending on the tissue types, Wnt can either drive or inhibit the differentiation process.,We hypothesized that key genes in the Wnt pathway are suppressed in the human airway epithelium under the stress of cigarette smoking, a stress associated with dysr...
1
Chronic obstructive pulmonary disease (COPD) is one of the most common causes of mortality and a major contributor to morbidity.,Longitudinal clinical practice data yielding information on the characteristics of the disease, its natural course, and management are limited.,To investigate and describe the COPD population...
Recent reports indicate that over the next decade rates of chronic obstructive pulmonary disease (COPD) in women will exceed those in men in the western world, though in most jurisdictions, women continue to smoke less compared with men.,Whether female adult smokers are biologically more susceptible to COPD is unknown....
1
Improvement in quality of life (QOL) has become a focus for the management of incurable chronic diseases, including chronic obstructive pulmonary disease (COPD).,This study investigates factors influencing the QOL of patients with COPD in India.,Seventy-three consecutive COPD patients visiting an outpatient pulmonary c...
Several studies investigated the association of anemia with health related quality of life (HRQL) in patients with chronic disease.,However, there is little evidence regarding the association of anemia with HRQL in patients with chronic obstructive pulmonary disease (COPD).,This is a post-hoc analysis of a study which ...
1
Physical inactivity is a cardinal feature of chronic obstructive pulmonary disease (COPD), and is associated with increased morbidity and mortality.,Pedometers, which have been used in healthy populations, might also increase physical activity in patients with COPD.,COPD patients taking part in a 3-month individualised...
COPD remains under-recognized and under-treated.,Much of early COPD care is given by primary care physicians but only when COPD is recognized.,This survey explores the attitudes, beliefs, and knowledge related to COPD recognition, diagnosis, and treatment from family physicians and nurse practitioners (NPs) and physici...
1
Patients with chronic obstructive pulmonary disease (COPD) present with a variety of symptoms and pathological consequences.,Although primarily viewed as a respiratory disease, COPD has both pulmonary and extrapulmonary effects, which have an impact on many aspects of physical, emotional, and mental well-being.,Traditi...
Patients with respiratory disease experience disturbed sleep, but there is no widely accepted measure of sleep impairment due to respiratory disease.,We developed and evaluated the psychometric performance of a patient-reported measure to assess the impact on sleep due to respiratory disease, the COPD and Asthma Sleep ...
1
There is a lack of consensus on the most appropriate early diagnostic strategy, criteria for early access to treatment and follow-up approach for patients with COPD.,A Delphi consensus project investigated the early management of COPD.,We formulated two questionnaires for completion by pneumologists in Italy.,A total o...
COPD remains under-recognized and under-treated.,Much of early COPD care is given by primary care physicians but only when COPD is recognized.,This survey explores the attitudes, beliefs, and knowledge related to COPD recognition, diagnosis, and treatment from family physicians and nurse practitioners (NPs) and physici...
1
Potentially pathogenic microorganisms can be detected by quantitative real-time polymerase chain reaction (qPCR) in sputum from patients with COPD, although how this technique relates to culture and clinical measures of disease is unclear.,We used cross-sectional and longitudinal data to test the hypotheses that qPCR i...
Saliva is increasingly promoted as an alternative diagnostic bio-sample to blood; however its role in respiratory disease requires elucidation.,Our aim was to investigate whether C-reactive protein (CRP), procalcitonin (PCT) and neutrophil elastase (NE) could be measured in unstimulated whole saliva, and to explore dif...
1
Cigarette smoke (CS) induces lung cellular senescence that plays an important role in the pathogenesis of chronic obstructive pulmonary disease (COPD).,How aging influences cellular senescence and other molecular hallmarks, and increases the risk of CS-induced damage remains unknown.,We hypothesized that aging-associat...
Cellular senescence has been associated with the structural and functional decline observed during physiological lung aging and in chronic obstructive pulmonary disease (COPD).,Airway epithelial cells are the first line of defense in the lungs and are important to COPD pathogenesis.,However, the mechanisms underlying a...
1
Uptake of nutritional supplementation during pulmonary rehabilitation (PR) for people with chronic obstructive pulmonary disease (COPD) has been limited by an absence of rigorous evidence-based studies supporting use.,The objective was to report and summarise the current evidence supporting the use of nutritional suppl...
The coexistence of COPD and asthma is widely recognized but has not been well described.,This study characterizes clinical features, spirometry, and chest CT scans of smoking subjects with both COPD and asthma.,We performed a cross-sectional study comparing subjects with COPD and asthma to subjects with COPD alone in t...
1
Glycopyrronium is a once-daily, inhaled long-acting muscarinic antagonist (LAMA) demonstrating similar efficacy to inhaled tiotropium in patients with moderate-to-severe COPD; however, the benefit of LAMAs on COPD symptoms has been variable.,COPD is a progressive disease in which many patients develop an acute or susta...
Exacerbation history is used to grade the risk of COPD exacerbation, but its reliability and relationship to other risk factors and prior therapy is unclear.,To examine these interrelationships, we conducted a post hoc analysis of patients in the TIOSPIR trial with ≥2 years’ follow-up or who died on treatment.,Patients...
1
Pulmonary hypertension (PH) associated with lung disease has the worst prognosis of all types of PH.,Pulmonary arterial vasculopathy is an early event in the natural history of chronic obstructive pulmonary disease (COPD) and interstitial lung disease (ILD).,The present study characterized the alterations in the struct...
Microarrays are a powerful and effective tool that allows the detection of genome-wide gene expression differences between controls and disease conditions.,They have been broadly applied to investigate the pathobiology of diverse forms of pulmonary hypertension, namely group 1, including patients with idiopathic pulmon...
1
TNF-α mediated inflammation is thought to play a key role in the respiratory and systemic features of Chronic Obstructive Pulmonary Disease.,The aim of the present study was to replicate and extend recent findings in Taiwanese and Caucasian populations of associations between COPD susceptibility and variants of the TNF...
Substantial evidence suggests that there is genetic susceptibility to chronic obstructive pulmonary disease (COPD).,To identify common genetic risk variants, we performed a genome-wide association study in 2940 cases and 1380 smoking controls with normal lung function.,We demonstrate a novel susceptibility locus at 4q2...
1
Exacerbations of chronic obstructive pulmonary disease (COPD) are episodes of worsening of symptoms, leading to substantial morbidity and mortality.,COPD exacerbations are associated with increased airway and systemic inflammation and physiological changes, especially the development of hyperinflation.,They are trigger...
Episodic nocturnal hypercapnia (eNH) caused by rapid eye movement (REM) sleep-related hypoventilation is often noted in patients with advanced COPD.,The purpose of this study was to clarify the clinical significance of eNH and the effectiveness of eNH-targeted noninvasive positive pressure ventilation (NPPV).,We enroll...
1
COPD has a profound impact on daily life, yet remains underdiagnosed and undertreated.,We set out to develop a brief, reliable, self-scored questionnaire to identify individuals likely to have COPD.,COPD-PS™ development began with a list of concepts identified for inclusion using expert opinion from a clinician working...
Recent reports indicate that over the next decade rates of chronic obstructive pulmonary disease (COPD) in women will exceed those in men in the western world, though in most jurisdictions, women continue to smoke less compared with men.,Whether female adult smokers are biologically more susceptible to COPD is unknown....
1
Background: This document provides clinical recommendations for the pharmacologic treatment of chronic obstructive pulmonary disease (COPD).,It represents a collaborative effort on the part of a panel of expert COPD clinicians and researchers along with a team of methodologists under the guidance of the American Thorac...
The combination of aclidinium bromide, a long-acting anticholinergic, and formoterol fumarate, a long-acting beta2-agonist (400/12 μg twice daily) achieves improvements in lung function greater than either monotherapy in patients with chronic obstructive pulmonary disease (COPD), and is approved in the European Union a...
1
Chronic obstructive pulmonary disease (COPD) is a growing healthcare concern and will represent the third leading cause of death worldwide within the next decade.,COPD is the result of a complex interaction between environmental factors, especially cigarette smoking, air pollution, and genetic preconditions, which resu...
Chronic obstructive pulmonary disease (COPD) is a heterogeneous disease characterized by multiple subtypes and variable disease progression.,Blood biomarkers have been variably associated with subtype, severity, and disease progression.,Just as combined clinical variables are more highly predictive of outcomes than ind...
1
Chronic obstructive pulmonary disease (COPD) is one global disease.,Lung function gradually declines.,Medication does not fully reverse the airflow limitation.,Qigong’s role in COPD rehabilitation has been assessed.,We aimed to assess the effects of Qigong practised by COPD patients.,Eligible articles were obtained thr...
The association between exposure to ambient particles with a median aerodynamic diameter less than 10/2.5 µm (particulate matter, PM10/2.5) and COPD remains unclear.,Our study objective was to examine the association between ambient PM10/2.5 concentrations and lung functions in adults.,A cross-sectional study was condu...
1
In cystic fibrosis and bronchiectasis, genetic mannose binding lectin (MBL) deficiency is associated with increased exacerbations and earlier mortality; associations in COPD are less clear.,Preclinical data suggest MBL interferes with phagocytosis of Haemophilus influenzae, a key COPD pathogen.,We investigated whether ...
Chronic obstructive pulmonary disease (COPD) is currently the third leading cause of death in the world.,Although smoking is the main risk factor for this disease, only a minority of smokers develop COPD.,Why this happens is largely unknown.,Recent discoveries by the human microbiome project have shed new light on the ...
1
This study aimed to examine the distribution of predefined phenotypes, demographic data, clinical outcomes, and treatment of patients who were included in the Polish cohort of the Phenotypes of COPD in Central and Eastern Europe (POPE) study.,This was a sub-analysis of the data from the Polish cohort of the POPE study,...
Grouping COPD subjects into clinical phenotypes might be useful for the management of the disease, but the clinical implications of such classification are still not totally clear, especially regarding prognosis.,The primary objective of this study was to assess whether the mortality rates were different between four p...
1
In large cohort studies comorbidities are usually self-reported by the patients.,This way to collect health information only represents conditions known, memorized and openly reported by the patients.,Several studies addressed the relationship between self-reported comorbidities and medical records or pharmacy data, bu...
COPD is often associated with various comorbidities that may influence its outcomes.,Pneumonia, cardiovascular disease (CVD), and cancer are the major causes of death in COPD patients.,The objective of this study is to investigate the influence of comorbidities on COPD by using the Taiwan National Health Insurance data...
1
Dendritic cells (DCs) control immunity and play a role in the pathogenesis of chronic obstructive pulmonary disease (COPD).,However, the expression of function-associated surface molecules on circulating DCs in COPD is unknown.,Four-colour flow cytometry was used to compare blood DC surface molecules of 54 patients wit...
Cigarette smoke is a major risk factor for chronic obstructive pulmonary disease (COPD), an inflammatory lung disorder.,COPD is characterized by an increase in CD8+ T cells within the central and peripheral airways.,We hypothesized that the CD8+ T cells in COPD patients have increased Toll-like receptor (TLR) expressio...
1
The incidence of chronic obstructive pulmonary disease (COPD) in China is very high.,This study aimed to assess the vulnerability of COPD patients in rural areas outside Xuzhou City, Jiangsu province, in order to provide helpful guidance for future research and public policies.,The vulnerability of 8,217 COPD patients ...
Persons with Chronic Obstructive Pulmonary Disease (COPD), performing some level of regular physical activity, have a lower risk of both COPD-related hospital admissions and mortality.,COPD patients of all stages seem to benefit from exercise training programs, thereby improving with respect to both exercise tolerance ...
1
Chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF) are chronic, progressive lung ailments that are characterized by distinct pathologies.,Early detection biomarkers and disease mechanisms for these debilitating diseases are lacking.,Extracellular vesicles (EVs), including exosomes, are...
Cigarette smoking is the major risk factor for COPD, leading to chronic airway inflammation.,We hypothesized that cigarette smoke induces structural and functional changes of airway epithelial mitochondria, with important implications for lung inflammation and COPD pathogenesis.,We studied changes in mitochondrial morp...
1
Physical activity, sedentary and sleep behaviours have strong associations with health.,This systematic review aimed to identify how clinical practice guidelines (CPGs) for the management of chronic obstructive pulmonary disease (COPD) report specific recommendations and strategies for these movement behaviours.,A syst...
The Phase IV, 8-week, randomized, double-blind, placebo-controlled ACTIVATE study (NCT02424344) evaluated the effect of aclidinium/formoterol (AB/FF) 400/12 μg twice daily on lung hyperinflation, exercise capacity, and physical activity in patients with moderate-to-severe COPD.,Patients received AB/FF (n=134) or placeb...
1
‘Clinically important deterioration’ (CID) is a composite endpoint measuring worsening of the key clinical features of chronic obstructive pulmonary disease (COPD), namely lung function, patient-reported outcomes, and exacerbations.,ACLIFORM and AUGMENT were two 24-week, randomized, double-blind, phase III studies asse...
Exercise training improves exercise tolerance in chronic obstructive pulmonary disease (COPD).,Tiotropium 18 μg once daily induces sustained bronchodilation throughout the day and reduces hyperinflation, one of the pathophysiological factors contributing to exertional dyspnea in COPD patients.,To determine whether tiot...
1
The aim of this study was to assess health-related quality of life (HRQL) in patients with chronic obstructive pulmonary disease (COPD) and to discuss the different tools available for its assessment.,The most widely used assessments are the St.,George respiratory questionnaire (SGRQ) and the COPD assessment test (CAT)...
We aimed to assess the effects of comorbidities on COPD costs and to investigate the relationship between comorbidities and clinical variables.,All patients hospitalized with a diagnosis of COPD exacerbation between January 1, 2014, and December 31, 2014, at all state hospitals of Aydın province, a city located in the ...
1
Comorbidities have a serious impact on the frequent severe acute exacerbations (AEs) in patients with COPD.,Previous studies have used the Charlson comorbidity index to represent a conglomerate of comorbidities; however, the respective contribution of each coexisting disease to the frequent severe AEs remains unclear.,...
There are still evidence gaps on the prevalence of airflow limitation in Japan.,The purpose of this survey was to estimate the prevalence of airflow limitation among healthy subjects in Japan and to show what proportion of subjects with airflow limitation had been diagnosed with chronic obstructive pulmonary disease (C...
1
We aimed to compare impulse oscillation system (IOS) and traditional pulmonary function tests (PFTs) for the assessment of the severity of chronic obstructive pulmonary disease (COPD), and to assess the use of IOS parameters to identify patients who were forced expiratory volume in 1 second (FEV1)%pred < 50%.,Patients ...
Conventional spirometric parameters have shown poor correlation with symptoms and health status of chronic obstructive pulmonary disease (COPD).,While it is well-known that the pattern of the expiratory flow-volume curve (EFVC) represents ventilatory dysfunction, little attempts have been made to derive quantitative pa...
1
Non-typeable Haemophilus influenza (NTHi) infection is common in COPD.,Corticosteroids can have limited therapeutic effects in COPD patients.,NTHi causes corticosteroid insensitive cytokine production from COPD alveolar macrophages.,We investigated the mechanisms by which NTHi causes corticosteroid insensitive inflamma...
Viruses are a common cause of exacerbations in chronic obstructive pulmonary disease (COPD).,They activate toll-like receptors (TLRs) 3, 7, and 8, leading to a pro-inflammatory response.,We have characterized the responses of TLR3 and TLR7/8 in lung tissue explants from COPD patients and control smokers.,We prepared lu...
1
The risk and prevalence of chronic obstructive pulmonary disease (COPD) in rheumatoid arthritis (RA) is still obscure.,The current study was aimed to systematically review and meta-analyse the risk ratio (RR) and prevalence of COPD in RA.,A comprehensive systematic review was conducted based on PubMed, Web of Science a...
The objective of this review was to examine the prevalence of osteoarthritis (OA) in individuals with COPD.,A computer-based literature search of CINAHL, Medline, PsycINFO and Embase databases was performed.,Studies reporting the prevalence of OA among a cohort of individuals with COPD were included.,The sample size va...
1
Chronic obstructive pulmonary disease (COPD) and COVID-19 have many potentially negative interrelationships, which may influence the course of infection and clinical outcomes.,The aim of this review is to provide clinicians with an up-to-date perspective of the complex interactions between COPD and COVID-19.,We conside...
Oxidative stress and inflammation are hypothesized to contribute to the pathogenesis of chronic obstructive pulmonary disease (COPD).,Resveratrol (trans-3,5,4′-trihydroxystilbene) is known for its antioxidant and anti-inflammatory properties.,The study aimed to investigate the effects of resveratrol in a rat model with...
1
COPD is a highly heterogeneous disease composed of different phenotypes with different aetiological and prognostic profiles and current classification systems do not fully capture this heterogeneity.,In this study we sought to discover, describe and validate COPD subtypes using cluster analysis on data derived from ele...
Guidelines recommend the use of simple but comprehensive tools such as COPD Assessment Test (CAT) and Clinical COPD Questionnaire (CCQ) to assess health status in COPD patients.,We aimed to compare the ability of CAT and CCQ to predict exacerbation in COPD patients.,We organized a multicenter prospective cohort study t...
1
There is increasing interest in the earlier detection of, and intervention in, patients at highest risk of developing chronic obstructive pulmonary disease (COPD).,The objective of this research was to develop and validate a risk prediction model for general practitioner (GP)-recorded diagnosis of COPD.,We used data fr...
Chronic obstructive pulmonary disease (COPD) is frequently under-recognized and underdiagnosed.,To determine the natural history of recognized and unrecognized COPD, we studied the rate of diagnosis, health care utilization, and mortality in patients with airflow limitation (AFL).,Three hundred forty-seven outpatients ...
1
Chronic obstructive pulmonary disease (COPD) is a disease characterised by persistent airflow limitation that is not fully reversible and is currently the fourth leading cause of death globally.,It is now well established that cardiovascular-related comorbidities contribute to morbidity and mortality in COPD, with appr...
COPD (chronic obstructive pulmonary disease) is a major incurable global health burden and will become the third largest cause of death in the world by 2020.,It is currently believed that an exaggerated inflammatory response to inhaled irritants, in particular cigarette smoke, causes progressive airflow limitation.,Thi...
1
There is a need to increase and maintain physical activity in patients with chronic obstructive pulmonary disease (COPD).,We assessed 12-month efficacy and effectiveness of the Urban Training intervention on physical activity in COPD patients.,This randomised controlled trial (NCT01897298) allocated 407 COPD patients f...
Evaluate the participation of STAT3 in the effects of aerobic exercise (AE) in a model of smoke-induced COPD.,C57Bl/6 male mice were divided into control, Exe, COPD, and COPD+Exe groups.,Smoke were administered during 90 days.,Treadmill aerobic training begun on day 61 until day 90.,Pulmonary inflammation, systemic inf...
1
Reports have suggested a reduction in exacerbations of chronic obstructive pulmonary disease (COPD) during the coronavirus disease 2019 (COVID-19) pandemic, particularly hospital admissions for severe exacerbations.,However, the magnitude of this reduction varies between studies.,Electronic databases were searched from...
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has raised many questions about the management of patients with chronic obstructive pulmonary disease (COPD) and whether modifications of their therapy are required.,It has raised questions about recognizing and differentiating coronavirus diseas...
1
We performed a review of studies of fluticasone propionate (FP)/salmeterol (SAL) (combination inhaled corticosteroid (ICS)/long-acting β2-agonist (LABA)) in patients with COPD, which measured baseline (pretreatment) blood eosinophil levels, to test whether blood eosinophil levels ≥2% were associated with a greater redu...
The long-term natural history of chronic obstructive pulmonary disease (COPD) in terms of successive severe exacerbations and mortality is unknown.,The authors formed an inception cohort of patients from their first ever hospitalisation for COPD during 1990-2005, using the healthcare databases from the province of Queb...
1
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 characterisa...
The coexistence of COPD and asthma is widely recognized but has not been well described.,This study characterizes clinical features, spirometry, and chest CT scans of smoking subjects with both COPD and asthma.,We performed a cross-sectional study comparing subjects with COPD and asthma to subjects with COPD alone in t...
1
Physical and psychological symptoms are the hallmark of patients’ subjective perception of their illness.,The purpose of this analysis was to determine if patients with COPD have distinctive symptom profiles and to examine the association of symptom profiles with systemic biomarkers of inflammation.,We conducted latent...
COPD is characterized by variability in exercise capacity and physical activity (PA), and acute exacerbations (AEs).,Little is known about the relationship between daily step count, a direct measure of PA, and the risk of AEs, including hospitalizations.,In an observational cohort study of 169 persons with COPD, we dir...
1
IL-17A is an important pro-inflammatory cytokine involved in the inflammatory response in chronic obstructive pulmonary disease (COPD).,To evaluate the role played by single nucleotide polymorphisms of IL17A and protein levels in susceptibility to COPD, 1,807 subjects were included in a case-control study; 436 had COPD...
Pulmonary emphysema is characterized by alveolar destruction and persistent inflammation of the airways.,Although IL-17A contributes to many chronic inflammatory diseases, it’s role in the inflammatory response of elastase-induced emphysema remains unclear.,In a model of elastase-induced pulmonary emphysema we examined...
1
Real-world prescription pathways leading to triple therapy (TT) (inhaled corticosteroid [ICS] plus long-acting β2-agonist bronchodilator [LABA] plus long-acting muscarinic antagonist) differ from Global initiative for chronic Obstructive Lung Disease [GOLD] and National Institute for Health and Care Excellence treatmen...
Inhaled corticosteroids (ICS) reduce COPD exacerbation frequency and slow decline in health related quality of life but have little effect on lung function, do not reduce mortality, and increase the risk of pneumonia.,We systematically reviewed trials in which ICS have been withdrawn from patients with COPD, with the a...
1
There have been a number of candidate gene association studies of cancer cachexia‐related traits, but no genome‐wide association study (GWAS) has been published to date.,Cachexia presents in patients with a number of complex traits, including both cancer and COPD.,The objective of the current investigation was to searc...
Several regions of the genome have shown to be associated with COPD in genome-wide association studies of common variants.,To determine rare and potentially functional single nucleotide polymorphisms (SNPs) associated with the risk of COPD and severity of airflow limitation.,3226 current or former smokers of European a...
1
The imbalance between pro- and anti-inflammatory immune responses mediated by Th17 and Treg cells is deeply involved in the development and progression of inflammation in chronic obstructive pulmonary disease (COPD).,Several clinical and experimental studies have described the Th17/Treg imbalance in COPD progression.,D...
The lung is a vital mucosal organ that is constantly exposed to the external environment, and as such, its defenses are continuously under threat.,The pulmonary immune system has evolved to sense and respond to these danger signals while remaining silent to innocuous aeroantigens.,The origin of the defense system is th...
1
Many lung diseases are associated with changes in autophagic activity.,The phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT)/mammalian target of rapamycin (mTOR) signaling pathway plays a key regulatory role in autophagy.,Our aim was to explore the function of PI3K/AKT/mTOR pathway on autophagy in chronic obs...
T helper (Th) cell cytokine imbalances have been associated with the pathophysiology of chronic obstructive pulmonary disease (COPD), including the Th1/Th2 and Th17/T regulatory cells (Treg) paradigms.,Clarifying cytokine profiles during COPD acute exacerbation (AE) and their relationships with clinical manifestations ...
1
Based on blood and sputum samples, up to 40% of patients with COPD have eosinophilic inflammation; however, there is little epidemiology data characterizing the health care burden within this sub-population.,Given that COPD-attributable medical costs in the USA are predicted to approach $50 billion by 2020, we analyzed...
Eosinophils in blood and sputum in chronic obstructive pulmonary disease (COPD) have been associated with more frequent exacerbations, lower lung function, and corticosteroid responsiveness.,We hypothesized increased eosinophils are associated with a severe COPD phenotype, including exacerbation frequency, and tested w...
1
Latest evidence suggests that periodontitis is prevalent among patients with chronic obstructive pulmonary disease (COPD), while recent studies have also reported a potential benefit of periodontal treatment on several COPD outcomes.,This systematic review aims to determine the impact of periodontal treatment on exacer...
Chronic obstructive pulmonary disease (COPD) is associated with high morbidity and mortality globally.,Studies show that airway mucus hypersecretion strongly compromises lung function, leading to frequent hospitalization and mortality, highlighting an urgent need for effective COPD treatments.,MUC5AC is known to contri...
1
The impacts of high blood eosinophil count (HBEC) at admission for COPD exacerbation on posthospitalization outcomes are still unclear.,Previous studies have focused on its associations with first readmission rates; yet, its impacts on longitudinal outcomes such as subsequent readmissions still have to be explored.,The...
COPD is a significant cause of morbidity and mortality.,In some patients with COPD, eosinophils contribute to inflammation that promotes airway obstruction; approximately a third of stable COPD patients have evidence of eosinophilic inflammation.,Although the eosinophil threshold associated with clinical relevance in p...
1
Chronic Obstructive Pulmonary Disease (COPD) is a complex disease.,Genetic, epigenetic, and environmental factors are known to contribute to COPD risk and disease progression.,Therefore we developed a systematic approach to identify key regulators of COPD that integrates genome-wide DNA methylation, gene expression, an...
Airway remodeling in COPD includes reorganization of the extracellular matrix.,Proteoglycans play a crucial role in this process as regulators of the integrity of the extracellular matrix.,Altered proteoglycan immunostaining has been demonstrated in COPD lungs and this has been suggested to contribute to the pathogenes...
1
The objective of this study was to compare the cost-effectiveness of the fixed-dose combination (FDC) of tiotropium + olodaterol Respimat® FDC with tiotropium alone for patients with chronic obstructive pulmonary disease (COPD) in the Italian health care setting using a newly developed patient-level Markov model that r...
Chronic obstructive pulmonary disease is associated with significant morbidity and mortality.,Trials of maintenance chronic obstructive pulmonary disease treatments focus on improvement in lung function and reductions in exacerbations, while patients are much more concerned about symptoms and health status.,Our aim was...
1
Background and Objective.,Oxidative stress is intimately associated with many diseases, including chronic obstructive pulmonary disease (COPD).,Study objectives include a comparison of the oxidative stress, antioxidant status, and lipid profile between COPD patients and controls and evaluation of the effect of spirulin...
More accurate phenotyping of COPD is of great interest since it may have prognostic and therapeutic consequences.,We attempted to explore the possible relationship between the extent of emphysema, as assessed by high-resolution computed tomography (HRCT), and COPD severity.,We also included some study variables involvi...
1
Patients with chronic obstructive pulmonary disease (COPD) less often receive β-blockers after acute myocardial infarction (AMI).,This may influence their outcomes after AMI.,This study evaluated the efficacy of β-blockers after AMI in patients with COPD, compared with non-dihydropyridine calcium channel blockers (NDCC...
Despite the benefits of beta-blockers in patients with established or sub-clinical coronary artery disease, their use in patients with chronic obstructive pulmonary disease (COPD) has been controversial.,Currently, no systematic review has examined the impact of beta-blockers on mortality in COPD.,We systematically sea...
1
The aim of the study was to determine the expression profile of long noncoding RNAs (lncRNAs) in CD4+ T cells from COPD patients and explore the clinical value of the lncRNAs.,First, microarray analysis was performed.,Differentially expressed lncRNAs were validated by quantitative real-time reverse transcription-PCR (q...
Objective: To examine the association between brain natriuretic peptide (BNP) gene single nucleotide polymorphisms (SNPs) and chronic obstructive pulmonary disease (COPD) and COPD with pulmonary hypertension (PH) and to analyze its mechanism.,Methods: The genotypes of BNP at the rs198389, rs6668352, and rs198388 loci i...
1
Real-world prescription pathways leading to triple therapy (TT) (inhaled corticosteroid [ICS] plus long-acting β2-agonist bronchodilator [LABA] plus long-acting muscarinic antagonist) differ from Global initiative for chronic Obstructive Lung Disease [GOLD] and National Institute for Health and Care Excellence treatmen...
Guidelines recommend inhaled corticosteroids (ICS) for patients with severe chronic obstructive pulmonary disease (COPD).,Most COPD patients are managed in primary care and receive ICS long-term and irrespective of severity.,The effect of withdrawing ICS from COPD patients in primary care is unknown.,In a pragmatic ran...
1
The Korea Chronic Obstructive Pulmonary Disorders Subgroup Study Team (Korea COPD Subgroup Study team, KOCOSS) is a multicenter observational study that includes 956 patients (mean age 69.9 ± 7.8 years) who were enrolled from 45 tertiary and university-affiliated hospitals from December 2011 to October 2014.,The initia...
Chronic bronchitis (CB) has been related to poor outcomes in Chronic Obstructive Pulmonary Disease (COPD).,From a clinical standpoint, we have shown that subjects with CB in a group with moderate to severe airflow obstruction were younger, more likely to be current smokers, male, Caucasian, had worse health related qua...
1
Acute exacerbations contribute to the morbidity and mortality associated with chronic obstructive pulmonary disease (COPD).,This proof-of-concept study evaluates whether intermittent pulsed moxifloxacin treatment could reduce the frequency of these exacerbations.,Stable patients with COPD were randomized in a double-bl...
Our understanding of the etiology, pathogenesis and consequences of acute exacerbations of chronic obstructive pulmonary disease (COPD) has increased substantially in the last decade.,Several new lines of evidence demonstrate that bacterial isolation from sputum during acute exacerbation in many instances reflects a ca...
1
Although, to our knowledge, there has been no exhaustive or credible review of the evidence of the disease burden of COPD in China, COPD has become an increasing public health concern to the Chinese medical community.,The purpose of this article is to review the evidence and evaluate and clarify the disease burden of C...
Chronic obstructive pulmonary disease (COPD) is one of the main contributors to the global burden of disease.,The aim of this systematic review was to quantify the disease burden of COPD in China and to determine the risk factors of the disease.,The number of studies included in the review was 47 with an average qualit...
1
Previous clinical audits of COPD have provided relevant information about medical intervention in exacerbation admissions.,The present study aims to evaluate adherence to current guidelines in COPD through a clinical audit.,This is a pilot clinical audit performed in hospital outpatient respiratory clinics in Andalusia...
Low adherence to Global initiative for chronic Obstructive Lung Disease (GOLD) guideline recommendations has been reported worldwide.,There has been no study on the adherence to GOLD guidelines for COPD treatment in Turkey.,To investigate the rates of adherence to GOLD 2010 guidelines for COPD treatment among pulmonolo...
1
Several different applications of telehealth technologies have been used in the care of respiratory patients, including telemonitoring, teleconsultations, tele-education, and telehealth-pulmonary rehabilitation (PR).,Telehealth technology provides an opportunity to assist in the management of chronic respiratory diseas...
Approximately 210 million people are estimated to have chronic obstructive pulmonary disease [COPD] worldwide.,The burden of disease is known to be high, though less is known about those of a younger age.,The aim of this study was to investigate the wider personal, economic and societal burden of COPD on a cross countr...
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The direct relationship between pulmonary structural changes and airway hyperresponsiveness (AHR) in chronic obstructive pulmonary disease (COPD) is unclear.,We investigated AHR in relation to airway and parenchymal structural changes in a guinea pig model of COPD and in COPD patients.,Precision-cut lung slices (PCLS) ...
Chronic obstructive pulmonary disease (COPD) is increasingly being recognized as a highly heterogeneous disorder, composed of varying pathobiology.,Accurate detection of COPD subtypes by image biomarkers are urgently needed to enable individualized treatment thus improving patient outcome.,We adapted the Parametric Res...
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Chronic obstructive pulmonary disease (COPD) is a costly long-term condition associated with frequent Accident and Emergency (A&E) and hospital admissions.,Psychological difficulties and inadequate self-management can amplify this picture.,To compare a cognitive-behavioural manual versus information booklets (IB) on he...
Chronic obstructive pulmonary disease (COPD) is a complex condition with pulmonary and extra-pulmonary manifestations.,This study describes the heterogeneity of COPD in a large and well characterised and controlled COPD cohort (ECLIPSE).,We studied 2164 clinically stable COPD patients, 337 smokers with normal lung func...
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To evaluate risk factors associated with exacerbation frequency in primary care.,Information on exacerbations of chronic obstructive pulmonary disease (COPD) has mainly been generated by secondary care-based clinical cohorts.,Retrospective observational cohort study.,Electronic medical records database (England and Wal...
Despite the availability of national and international guidelines, evidence suggests that chronic obstructive pulmonary disease (COPD) treatment is not always prescribed according to recommendations.,This study evaluated the current management of patients with COPD using a large UK primary-care database.,This analysis ...
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The potential benefits of statins for the prevention of exacerbations in patients with COPD remains controversial.,No previous studies have investigated the impact of statins on clinical outcomes in COPD patients with frequent exacerbations.,This study aimed to evaluate the association between the use of statins and th...
The aetiology of acute exacerbations of COPD (AECOPD) is incompletely understood.,Understanding the relationship between chronic bacterial airway infection and viral exposure may explain the incidence and seasonality of these events.,In this prospective, observational cohort study (NCT01360398), patients with COPD aged...
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Chronic obstructive pulmonary disease (COPD) and asthma are common diseases with a heterogeneous distribution worldwide.,Here, we present methods and disease and risk estimates for COPD and asthma from the Global Burden of Diseases, Injuries, and Risk Factors (GBD) 2015 study.,The GBD study provides annual updates on e...
We need to assess clinical treatments in real-life settings outside of randomised controlled trials (RCTs).,Pragmatic RCT (pRCT) data can supplement RCTs by providing effectiveness information to support healthcare decisions.,Electronic health records can facilitate concurrent safety monitoring and data collection with...
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Levels of iron and iron-related proteins including ferritin are higher in the lung tissue and lavage fluid of individuals with chronic obstructive pulmonary disease (COPD), when compared to healthy controls.,Whether more iron in the extracellular milieu of the lung associates with distinct clinical phenotypes of COPD, ...
Apoptosis has recently been proposed to contribute to the pathogenesis of emphysema.,In order to establish if cell fate plays a role even in end-stage disease we studied 16 lungs (9 smoking-associated and 7 α1antitrypsin (AAT)-deficiency emphysema) from patients who had undergone lung transplantations.,Six unused donor...
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Aclidinium/formoterol 400/12 µg is a twice-daily maintenance bronchodilator for COPD.,This post hoc study evaluated aclidinium/formoterol vs aclidinium 400 µg, formoterol 12 µg, or placebo in patient subgroups.,Data were pooled from two 24-week Phase III clinical trials (ACLIFORM and AUGMENT).,Patients (N=3,394) were a...
Inhaled corticosteroids (ICSs) are a mainstay of COPD treatment for patients with a history of exacerbations.,Initial studies evaluating their use as monotherapy failed to show an effect on rate of pulmonary function decline in COPD, despite improvements in symptoms and reductions in exacerbations.,Subsequently, ICS us...
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The COPD Assessment Test (CAT™) is a new short health status measure for routine use.,New questionnaires require reference points so that users can understand the scores; descriptive scenarios are one way of doing this.,A novel method of creating scenarios is described.,A Bland and Altman plot showed a consistent relat...
Although culture-independent techniques have shown that the lungs are not sterile, little is known about the lung microbiome in chronic obstructive pulmonary disease (COPD).,We used pyrosequencing of 16S amplicons to analyze the lung microbiome in two ways: first, using bronchoalveolar lavage (BAL) to sample the distal...
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Although, to our knowledge, there has been no exhaustive or credible review of the evidence of the disease burden of COPD in China, COPD has become an increasing public health concern to the Chinese medical community.,The purpose of this article is to review the evidence and evaluate and clarify the disease burden of C...
Although medical treatment of COPD has advanced, nonadherence to medication regimens poses a significant barrier to optimal management.,Underuse, overuse, and improper use continue to be the most common causes of poor adherence to therapy.,An average of 40%-60% of patients with COPD adheres to the prescribed regimen an...
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Changes in physical activity (PA) are difficult to interpret because no framework of minimal important difference (MID) exists.,We aimed to determine the minimal important difference (MID) in physical activity (PA) in patients with Chronic Obstructive Pulmonary Disease and to clinically validate this MID by evaluating ...
Exercise limitation, dynamic hyperinflation, and exertional dyspnea are key features of symptomatic chronic obstructive pulmonary disease (COPD).,We assessed the effects of glycopyrronium bromide (NVA237), a once-daily, long-acting muscarinic antagonist, on exercise tolerance in patients with moderate to severe COPD.,P...
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There is a substantial burden of chronic lung disease among treated children with human immunodeficiency virus infection in this study from Zimbabwe.,The radiological findings, coupled with functional test results, indicate that the key pathological lesion is constrictive obliterative bronchiolitis.,Chronic respiratory...
Wood smoke exposure is a risk factor for COPD.,For a given degree of airway obstruction, the reduction in DLCO is smaller in individuals with wood smoke-related COPD than in those with smoking-related COPD, suggesting that there is less emphysema in the former.,The objective of this study was to compare HRCT findings b...
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According to the current clinical practice guidelines for chronic obstructive pulmonary disease (COPD), the addition of inhaled corticosteroids (ICS) to long-acting β2 agonist therapy is recommended in patients with moderate-to-severe disease and an increased risk of exacerbations.,However, ICS are largely overprescrib...
Current guidelines for the management of chronic obstructive pulmonary disease (COPD) recommend limiting the use of inhaled corticosteroids (ICS) to patients with more severe disease and/or increased exacerbation risk.,However, there are discrepancies between guidelines and real-life practice, as ICS are being overpres...
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Indacaterol is a novel, once-daily (od), inhaled, long-acting ß2-agonist bronchodilator for maintenance treatment of airflow limitation in patients with COPD.,The aim of this study was to evaluate the efficacy of indacaterol on dyspnea, using available randomized placebo-controlled trials.,A systematic search was made ...
Pooled data were analyzed to evaluate the safety and tolerability of indacaterol, a once-daily inhaled long-acting β2-agonist for chronic obstructive pulmonary disease (COPD).,Data were pooled from clinical studies of 3-12 months’ duration in patients with moderate-to-severe COPD receiving double-blind indacaterol 75 μ...
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Cardiovascular disease is an important comorbidity in patients with chronic obstructive pulmonary disease (COPD).,We aimed to systematically review the evidence for: (1) risk of myocardial infarction (MI) in people with COPD; (2) risk of MI associated with acute exacerbation of COPD (AECOPD); (3) risk of death after MI...
New paradigms have been recently proposed in the pathogenesis of both chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF), evidencing surprising similarities between these deadly diseases, despite their obvious clinical, radiological and pathologic differences.,There is growing evidence...
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As of 11 July, 2020, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus responsible for the coronavirus disease 2019 (COVID-19) pandemic has infected over 12.7 million people around the world and caused more than 560,000 deaths [1].,Given the devastating impact that COVID-19 can have on the lung, i...
To estimate the prevalence of both cardiometabolic and other co‐morbidities in patients with COVID‐19, and to estimate the increased risk of severity of disease and mortality in people with co‐morbidities.,Medline, Scopus and the World Health Organization website were searched for global research on COVID‐19 conducted ...
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Patients with COPD often have multiple comorbidities requiring use of multiple medications, and adherence rates for maintenance COPD (mCOPD) medications are already known to be suboptimal.,Presence of comorbidities in COPD patients, and use of medications used to treat those comorbidities (non-COPD medications), may ha...
Errors in the use of different inhalers were investigated in patients naive to the devices under investigation in a multicentre, single-visit, randomised, open-label, cross-over study.,Patients with chronic obstructive pulmonary disease (COPD) or asthma were assigned to ELLIPTA vs DISKUS (Accuhaler), metered-dose inhal...
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According to the Fletcher-Peto curve, rate of decline in forced expiratory volume in 1-second (FEV1) accelerates as age increases.,However, recent studies have not demonstrated that the rate of FEV1 decline accelerates with age among COPD patients.,The objective of the study is to evaluate annual rate of FEV1 decline a...
Utilizing data from the Continuing to Confront COPD (chronic obstructive pulmonary disease) International Physician Survey, this study aimed to describe physicians’ knowledge and application of the GOLD (Global initiative for chronic Obstructive Lung Disease) Global Strategy for the Diagnosis, Management and Prevention...
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Spirometry is required to confirm a chronic obstructive pulmonary disease (COPD) diagnosis, but it is difficult to perform in resource-limited settings.,This study aimed to evaluate symptom-based questions for screening of individuals with COPD among Chinese populations.,We recruited 3969 adult subjects from the First ...
To describe the item-selection and item-reduction for the Lung Function Questionnaire (LFQ), being developed to help clinicians identify patients appropriate for diagnostic evaluation for chronic obstructive pulmonary disease (COPD) using spirometry.,Item selection and reduction were based on information from 387 ≥40-y...
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Accessible interventions to train patients with chronic obstructive pulmonary disease (COPD) are needed.,We designed urban trails of different intensities (low, moderate and high) in different types of public spaces (boulevard, beach and park).,We aimed to validate the trails’ design by assessing the physiological resp...
No current patient-centred instrument captures all dimensions of physical activity in chronic obstructive pulmonary disease (COPD).,Our objective was item reduction and initial validation of two instruments to measure physical activity in COPD.,Physical activity was assessed in a 6-week, randomised, two-way cross-over,...
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COPD exacerbations accelerate disease progression.,To examine if COPD characteristics and systemic inflammatory markers predict the risk for acute COPD exacerbation (AECOPD) frequency and duration.,403 COPD patients, GOLD stage II-IV, aged 44-76 years were included in the Bergen COPD Cohort Study in 2006/07, and follow...
To quantify the relationship between severity of chronic obstructive pulmonary disease (COPD) as expressed by Global Initiative for Chronic Obstructive Lung Disease (GOLD) stage and the annual exacerbation frequency in patients with COPD.,We performed a systematic literature review to identify randomized controlled tri...
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The changes in grading of disease severity and treatment recommendations for patients with COPD in the 2017 GOLD strategy may present an opportunity for reducing treatment burden for the patients and costs to the health care system.,The aim of this study was to assess the implications of the GOLD 2017 grading system in...
The Global Initiative for Chronic Obstructive Lung Disease (GOLD) recommends triple therapy (long-acting muscarinic receptor antagonists, long-acting beta-2 agonists, and inhaled corticosteroids) for patients with only the most severe COPD.,Data on the proportion of COPD patients on triple therapy and their characteris...
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COPD is a complex, heterogeneous disease characterised by progressive development of airflow limitation.,Spirometry provides little information about key aspects of pathology and is poorly related to clinical outcome, so other tools are required to investigate the disease.,We sought to explore the relationships between...
The aim of the study was to assess the relationship between computed tomography (CT) densitometry and routine clinical markers in patients with chronic obstructive pulmonary disease (COPD) and alpha-1 anti-trypsin deficiency (AATD).,Multiple databases were searched using a combination of pertinent terms and those artic...
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Smoke exposure is known to decrease total pulmonary surfactant and alter its composition, but the role of surfactant in chronic obstructive pulmonary disease (COPD) remains unknown.,We aimed to analyze the compositional changes in the surfactant lipidome in COPD and identify specific lipids associated with pulmonary fu...
Chronic obstructive pulmonary disease is one of the leading causes of morbidity and mortality worldwide and a growing healthcare problem.,Identification of modifiable risk factors for prevention and treatment of COPD is urgent, and the scientific community has begun to pay close attention to diet as an integral part of...
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One of the aims of the COPD Assessment Test (CAT) is to aid communication between the physician and patient about the burden of chronic obstructive pulmonary disease (COPD) on the patient's life.,To investigate the impact of the CAT on the quality of primary care consultations in COPD patients.,Primary care physicians ...
There is a growing interest to use health status or disease control questionnaires in routine clinical practice.,However, the validity of most questionnaires is established using techniques developed for group level validation.,This study examines a new method, using patient interviews, to validate a short health statu...
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Tiotropium (Spiriva) is an inhaled muscarinic antagonist for patients with chronic obstructive pulmonary disease (COPD), and is available in two forms: the HandiHaler and the Respimat inhaler.,The aim of this study was to investigate the handling of and preference for each device immediately after switching from the Ha...
Combining bronchodilators with different mechanisms of action may improve efficacy and reduce risk of side effects compared to increasing the dose of a single agent in chronic obstructive pulmonary disease (COPD).,We investigated this by combining two long-acting bronchodilators: once-daily muscarinic antagonist tiotro...
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The present study investigated whether erythromycin (ERY) reduces cigarette smoke (CS)-induced emphysema in rats and aimed to determine the anti-inflammatory effect of ERY, which may identify potential treatments for chronic obstructive pulmonary disease.,Furthermore, the current study focused on the potential effects ...
We investigated how rosiglitazone attenuated cigarette smoke (CS)-induced emphysema in a rat model.,In particular, we focused on its possible effects on the imbalance between metalloprotease (MMP) and anti-MMP activity, mitogen-activated protein kinase (MAPK) phosphorylation, and nuclear factor kappa-light-chain-enhanc...
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In chronic obstructive pulmonary disease (COPD) apoptotic bronchial epithelial cells are increased, and their phagocytosis by alveolar macrophages (AM) is decreased alongside bacterial phagocytosis.,Epithelial cellular lipids, including those exposed on uncleared apoptotic bodies, can become oxidized, and may be recogn...
Inhaled corticosteroids (ICSs) are recommended for patients with frequent exacerbation of chronic obstructive pulmonary disease (COPD).,However, accumulating evidence has indicated the risk of pneumonia from the use of ICS.,This study aimed to investigate the association between ICS and pneumonia in the real-world clin...
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The process of aging involves biological changes that increases susceptibility for disease.,In the aging lung disease IPF, GWAS studies identified genes associated with risk for disease.,Recently, several of these genes were also found to be involved in risk for COPD or lung cancer.,This review describes GWAS-derived r...
The reticular basement membrane (Rbm) in smokers and especially smokers with COPD is fragmented with "clefts" containing cells staining for the collagenase matrix-metalloproteinase-9 (MMP-9) and fibroblast protein, S100A4.,These cells are also present in the basal epithelium.,Such changes are likely hallmarks of epithe...
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Chronic obstructive pulmonary disease (COPD) is one of the main contributors to the global burden of disease.,The aim of this systematic review was to quantify the disease burden of COPD in China and to determine the risk factors of the disease.,The number of studies included in the review was 47 with an average qualit...
The burden of chronic obstructive pulmonary disease (COPD) across many world regions is high.,We aim to estimate COPD prevalence and number of disease cases for the years 1990 and 2010 across world regions based on the best available evidence in publicly accessible scientific databases.,We conducted a systematic search...
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Chronic Obstructive Pulmonary Disease (COPD) is characterised by complex inflammatory, neuronal and fibrotic changes.,Brain-derived Neurotrophic Factor (BDNF) is a key regulator of neuronal plasticity, whereas Transforming Growth Factor-β1 (TGF-β1) plays a crucial role in tissue repair and emphysema pathogenesis.,Both ...
Chronic Obstructive Pulmonary Disease (COPD) is currently the fifth leading cause of death worldwide.,Neutrophilic inflammation is prominent, worsened during infective exacerbations and is refractory to glucocorticosteroids (GCs).,Deregulated neutrophilic inflammation can cause excessive matrix degradation through prot...
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Patients with chronic obstructive pulmonary disease (COPD) suffer from significantly more cardiovascular comorbidity and mortality than would be anticipated from conventional risk factors.,The aim of this study was to determine whether COPD patients have a higher coronary artery calcium score (CACS) and epicardial fat ...
Because chronic obstructive pulmonary disease (COPD) is a heterogeneous condition, the identification of specific clinical phenotypes is key to developing more effective therapies.,To explore if the persistence of systemic inflammation is associated with poor clinical outcomes in COPD we assessed patients recruited to ...
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The objective of this study was to determine if gene-environment interactions between cigarette smoking and interleukin-6 (IL6), interferon-γ (IFNG), interleukin-1β (IL1B), or interleukin-1 receptor antagonist (IL1RN) single nucleotide polymorphisms are associated with lung function decline and cardiovascular disease i...
Chronic obstructive pulmonary disease (COPD) is influenced by both environmental and genetic factors.,ADAM33 (a disintegrin and metalloproteinase 33) has been one of the most exciting candidate genes for asthma since its first association with the disease in Caucasian populations.,Recently, ADAM33 was shown to be assoc...
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To describe and compare demographic and clinical profile of patients newly initiated on aclidinium (ACL) or tiotropium (TIO) and identify factors associated with newly initiated ACL in real-life clinical practice during 2013 in Catalonia.,We performed a population-based, retrospective, observational study with data obt...
Chronic obstructive pulmonary disease (COPD) is a complex condition with pulmonary and extra-pulmonary manifestations.,This study describes the heterogeneity of COPD in a large and well characterised and controlled COPD cohort (ECLIPSE).,We studied 2164 clinically stable COPD patients, 337 smokers with normal lung func...
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Exercise limitation, dynamic hyperinflation, and exertional dyspnea are key features of symptomatic chronic obstructive pulmonary disease (COPD).,We assessed the effects of glycopyrronium bromide (NVA237), a once-daily, long-acting muscarinic antagonist, on exercise tolerance in patients with moderate to severe COPD.,P...
Measuring dyspnea intensity associated with exercise provides insights into dyspnea-limited exercise capacity, and has been used to evaluate treatment outcomes for chronic obstructive pulmonary disease (COPD).,Three patient-reported outcome scales commonly cited for rating dyspnea during exercise are the modified Borg ...
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Severe hyperinflation causes detrimental effects such as dyspnea and reduced exercise capacity and is an independent predictor of mortality in COPD patients.,Static lung volumes are required to diagnose severe hyperinflation, which are not always accessible in primary care.,Several studies have shown that the area unde...
Exacerbations of chronic obstructive pulmonary disease (COPD) are important events that carry significant consequences for patients.,Some patients experience frequent exacerbations, and are now recognized as a distinct clinical subgroup, the ‘frequent exacerbator’ phenotype.,This is relatively stable over time, occurs ...
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Muscle wasting and chronic inflammation are predominant features of patients with COPD.,Systemic inflammation is associated with an accelerated decline in lung function.,In this study, the prevalence of sarcopenia and the relationships between sarcopenia and systemic inflammations in patients with stable COPD were inve...
We have previously reported that the lungs of patients with very severe chronic obstructive pulmonary disease (COPD) contain significantly higher numbers of alveolar macrophages than those of non-smokers or smokers.,M1 and M2 macrophages represent pro- and anti-inflammatory populations, respectively.,However, the roles...
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Comorbidities are frequent in chronic obstructive pulmonary disease (COPD) and significantly impact on patients’ quality of life, exacerbation frequency, and survival.,There is increasing evidence that certain diseases occur in greater frequency amongst patients with COPD than in the general population, and that these ...
Chronic obstructive pulmonary disease (COPD) is a complex condition with pulmonary and extra-pulmonary manifestations.,This study describes the heterogeneity of COPD in a large and well characterised and controlled COPD cohort (ECLIPSE).,We studied 2164 clinically stable COPD patients, 337 smokers with normal lung func...
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Chronic Obstructive Pulmonary Disease (COPD) is characterised by reduced lung function and is the third leading cause of death globally.,Through genome-wide association discovery in 48,943 individuals, selected from extremes of the lung function distribution in UK Biobank, and follow-up in 95,375 individuals, we increa...
SERPINA1 gene has been implicated in the pathogenesis of chronic obstructive pulmonary disease (COPD), while smoking is a known risk factor for COPD.,Little is known on the effect of SERPINA1 gene and its interaction with smoking in the Chinese population.,In this study, the effect of SERPINA1 gene polymorphisms on COP...
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