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Asthma copd overlap

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https://www.readbyqxmd.com/read/28931659/the-risk-of-mycobacterial-infections-associated-with-inhaled-corticosteroid-use
#1
Sarah K Brode, Michael A Campitelli, Jeffrey C Kwong, Hong Lu, Alex Marchand-Austin, Andrea S Gershon, Frances B Jamieson, Theodore K Marras
Inhaled corticosteroid (ICS) use is associated with an increased risk of pneumonia. This study was performed to determine if ICS use is associated with an increased risk of nontuberculous mycobacterial pulmonary disease (NTM-PD) or tuberculosis (TB).We conducted a population-based nested case-control study using linked laboratory and health administrative databases in Ontario, Canada, including adults aged ≥66 years with treated obstructive lung disease (i.e. asthma, chronic obstructive pulmonary disease (COPD) or asthma-COPD overlap syndrome) between 2001 and 2013...
September 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28915942/development-of-a-validated-lc-ms-ms-method-for-the-quantification-of-19-endogenous-asthma-copd-potential-urinary-biomarkers
#2
Mona M Khamis, Darryl J Adamko, Anas El-Aneed
Obstructive airways inflammatory diseases sometimes show overlapping symptoms that hinder their early and correct diagnosis. Current clinical tests are tedious and are of inadequate specificity in special population such as the elderly and children. Therefore, we are developing tandem mass spectrometric (MS/MS) methods for targeted analysis of urine biomarkers. Recently, proton-nuclear magnetic resonance ((1)H-NMR) analysis proposed 50 urinary metabolites as potential diagnostic biomarkers among asthma and chronic obstructive pulmonary disease (COPD) patients...
October 9, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28862414/asthma-copd-overlap-syndrome-recent-advances-in-diagnostic-criteria-and-prognostic-significance
#3
Claudio Sorino, Nicola Scichilone, Maria D'Amato, Vincenzo Patella, Fabiano DI Marco
The term asthma-chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) has been proposed for individuals with features of both asthma and COPD. Several attempts have been done to define ACOS on the basis of medical history, symptoms, and functional findings. The main diagnostic criteria include airflow obstruction with a strong although incomplete reversibility to bronchodilation tests, a significant exposure to cigarette or biomass smoke, and a history of atopy or asthma. Additional diagnostic elements include eosinophilic airway and systemic inflammation, a good response to corticosteroid treatment, and a high concentration of exhaled nitric oxide...
June 2017: Minerva Medica
https://www.readbyqxmd.com/read/28860740/clinical-implications-of-blood-eosinophil-count-in-patients-with-non-asthma-copd-overlap-syndrome-copd
#4
Jin Hwa Song, Chang-Hoon Lee, Jin Woo Kim, Won-Yeon Lee, Ji Ye Jung, Joo Hun Park, Ki Suck Jung, Kwang Ha Yoo, Yong Bum Park, Deog Keom Kim
BACKGROUND: Recent studies that assessed the relevance of the blood eosinophil count as a biomarker in patients with COPD may have overestimated it because they included patients with asthma-COPD overlap syndrome (ACOS). We investigated the clinical implications of the blood eosinophil count in patients with non-ACOS COPD. PATIENTS AND METHODS: From a Korean COPD Subtype Study (KOCOSS) cohort, we selected patients with non-ACOS COPD after excluding ACOS patients according to Spanish criteria...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28790809/clinical-characteristics-of-chronic-bronchitic-emphysematous-and-acos-phenotypes-in-copd-patients-with-frequent-exacerbations
#5
Yusheng Cheng, Xiongwen Tu, Linlin Pan, Shuai Lu, Ming Xing, Linlin Li, Xingwu Chen
PURPOSE: Chronic bronchitis (CB), emphysematous (EM) and asthma-chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) phenotypes in COPD are well recognized. This study aimed to investigate distinguishing characteristics of these phenotypes in COPD patients with frequent exacerbations (FE). PATIENTS AND METHODS: A retrospective study was carried out. COPD patients with acute exacerbations were consecutively reviewed from November 2015 to October 2016...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28745524/should-patients-switched-from-d-to-b-in-the-gold-2017-classification-be-discontinued-from-inhaled-corticosteroids
#6
Matevz Harlander, Miriam Barrecheguren, Matjaz Turel, Marc Miravitlles
Inhaled corticosteroids (ICSs) are the cornerstone of the treatment of asthma, but their role in COPD is limited. Several guidelines recommend their use in patients with severe airflow limitation, frequent exacerbations and asthma-COPD overlap (ACO), while the previous GOLD document recommended ICS for patients with high risk of exacerbations and a high level of symptoms (group D). Following the changes in the GOLD document 2017 update, in which impaired lung function is no longer considered as a determinant of exacerbation risk, a high number of COPD patients can now be labeled as group B (low risk of exacerbations and high level of symptoms) instead of D, and hence, no longer fulfill the indication for ICS...
October 2017: COPD
https://www.readbyqxmd.com/read/28740668/socioeconomic-impact-of-asthma-chronic-obstructive-pulmonary-disease-and-asthma-copd-overlap-syndrome
#7
Jinhee Kim, Young Sam Kim, Kyungjoo Kim, Yeon-Mok Oh, Kwang Ha Yoo, Chin Kook Rhee, Jin Hwa Lee
BACKGROUND: Asthma-chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) is defined as having both features of asthma and COPD, which are airway hyper-responsiveness and incompletely reversible airway obstruction. However, socioeconomic impact of ACOS have not been well appreciated. METHODS: Adults with available wheezing history and acceptable spirometry were selected from the fourth Korean National Health and Nutrition Examination Survey (KNHANES IV) in 2007-2009...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28740378/active-smoking-and-copd-phenotype-distribution-and-impact-on-prognostic-factors
#8
Juan Antonio Riesco, Bernardino Alcázar, Juan Antonio Trigueros, Anna Campuzano, Joselín Pérez, José Luis Lorenzo
PURPOSE: Smoking can affect both the phenotypic expression of COPD and factors such as disease severity, quality of life, and comorbidities. Our objective was to evaluate if the impact of active smoking on these factors varies according to the disease phenotype. PATIENTS AND METHODS: This was a Spanish, observational, cross-sectional, multicenter study of patients with a diagnosis of COPD. Smoking rates were described among four different phenotypes (non-exacerbators, asthma-COPD overlap syndrome [ACOS], exacerbators with emphysema, and exacerbators with chronic bronchitis), and correlated with disease severity (body mass index, obstruction, dyspnea and exacerbations [BODEx] index and dyspnea grade), quality of life according to the COPD assessment test (CAT), and presence of comorbidities, according to phenotypic expression...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28709489/the-success-and-safety-profile-of-sputum-induction-in-patients-with-chronic-obstructive-pulmonary-disease-an-indian-experience
#9
Lalita Fernandes, Anthony Menezes Mesquita
BACKGROUND: Neutrophilic inflammation is common in chronic obstructive pulmonary disease while Asthma COPD overlap syndrome has eosinophilic predominance. Identifying the type of inflammation will aid in better management of COPD, but published studies show that induced sputum examination is more frequently used in asthma than COPD, with safety being the limiting factor. We aimed to determine the success and safety of sputum induction (SI) in COPD patients. METHODS: 116 stable COPD patients underwent SI...
July 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28701317/redefining-the-overlap-of-asthma-and%C3%A2-copd
#10
(no author information available yet)
The term asthma-COPD overlap (ACO) has been suggested for people with chronic airflow obstruction that has features characteristic of both asthma and chronic obstructive pulmonary disease (COPD).(1) People with clinical features of asthma and COPD tend to have worse outcomes than those with either asthma or COPD alone, yet their clinical management has remained unclear. UK guidelines currently do not specifically address this issue,(2,3) but the Global Initiative for Asthma (GINA) and the Global Initiative for Chronic Obstructive Lung Disease (GOLD) have published a consensus-based report on the diagnosis and treatment of people with asthma, COPD and ACO...
July 2017: Drug and Therapeutics Bulletin
https://www.readbyqxmd.com/read/28696811/prevalence-clinical-characteristics-and-morbidity-of-the-asthma-copd-overlap-in-a-general-population-sample
#11
Linda Ekerljung, Roxana Mincheva, Stig Hagstad, Anders Bjerg, Gunilla Telg, Georgios Stratelis, Jan Lötvall
Objective Although asthma and COPD have been regarded as distinct conditions, emerging literature suggests that overlapping phenotypes exists, asthma-COPD overlap (ACO). The aim of this study was to describe prevalence, patient characteristics and morbidity of ACO. Methods From a cross-sectional population sample, the West Sweden Asthma Study, subjects with suspected asthma, chronic bronchitis or COPD, and a random sample, were invited to clinical examinations. ACO was defined as doctors diagnosed asthma, or clear clinical signs of asthma at examination, with a FEV1/FVC<0...
July 11, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28694694/expression-profiling-of-mirna-145-and-mirna-338-in-serum-and-sputum-of-patients-with-copd-asthma-and-asthma-copd-overlap-syndrome-phenotype
#12
Donato Lacedonia, Grazia Pia Palladino, Maria Pia Foschino-Barbaro, Giulia Scioscia, Giovanna Elisiana Carpagnano
BACKGROUND AND OBJECTIVES: A new phenotype with overlapping characteristics between asthma and chronic obstructive pulmonary disease (COPD) called asthma-COPD overlap syndrome (ACOS) is emerging among inflammation diseases. To date, there is no agreement on specific criteria to define this syndrome, and the current guidelines are insufficient to classify the analogy and differences between overlap and COPD or asthma phenotypes. It would be necessary to identify new biomarkers able to identify these diseases clearly...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28694693/prevalence-and-characteristics-of-asthma-copd-overlap-syndrome-identified-by-a-stepwise-approach
#13
Hiromasa Inoue, Takahide Nagase, Satoshi Morita, Atsushi Yoshida, Tatsunori Jinnai, Masakazu Ichinose
BACKGROUND AND OBJECTIVE: There is increasing recognition of asthma-COPD overlap syndrome (ACOS), which shares some features of both asthma and COPD; however, the prevalence and characteristics of ACOS are not well understood. The aim of this study was to investigate the prevalence of ACOS among patients with COPD and its characteristics using a stepwise approach as stated in the recent report of the Global Initiative for Asthma (GINA) and the Global Initiative for Chronic Obstructive Lung Disease (GOLD)...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28688465/chronic-obstructive-pulmonary-disease-phenotypes-implications-for-care
#14
REVIEW
Shireen Mirza, Roberto Benzo
Chronic obstructive pulmonary disease (COPD) phenotyping can help define clusters of patients with common characteristics that relate to clinically meaningful outcomes. In this review, we describe 7 clinically meaningful COPD phenotypes that can be identified by primary care physicians as well as specialists and that have specific management and prognostic implications: (1) asthma-COPD overlap phenotype, (2) frequent exacerbator phenotype, (3) upper lobe-predominant emphysema phenotype, (4) rapid decliner phenotype, (5) comorbid COPD phenotype, (6) physical frailty phenotype, and (7) emotional frailty phenotype...
July 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28677827/the-overlaps-of-asthma-or-copd-with-osa-a-focused-review
#15
REVIEW
Robert L Owens, Madalina M Macrea, Mihaela Teodorescu
Asthma, chronic obstructive pulmonary disease (COPD) and obstructive sleep apnoea (OSA) are the most common respiratory disorders worldwide. Given demographic and environmental changes, prevalence for each is likely to increase. Although exact numbers are not known, based on chance alone, many people will be affected by both lower airways obstruction and concomitant upper airway obstruction during sleep. Some recent studies suggest that there is a reciprocal interaction, with chronic lung disease predisposing to OSA, and OSA worsening control and outcomes from chronic lung disease...
July 5, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28677357/asthma-copd-overlap-shows-favorable-clinical-outcomes-compared-to-pure-copd-in-a-korean-copd-cohort
#16
Hye Jung Park, Min Kwang Byun, Hyung Jung Kim, Chul Min Ahn, Jin Hwa Lee, Kyeong Cheol Shin, Soo Taek Uh, Seung Won Ra, Kwang Ha Yoo, Ki Suck Jung
PURPOSE: Comparisons of the characteristics of chronic obstructive pulmonary disease (COPD) and asthma-COPD overlap syndrome (ACOS) have been the focus of several studies since the diseases were defined by the Global Initiative for Asthma and Global Initiative for Chronic Obstructive Lung Disease guidelines. However, no consensus is available yet. In this study, we aimed to compare the characteristics of asthma-COPD overlap (ACO) and COPD. METHODS: We retrospectively reviewed 1,504 patients with COPD in a Korean COPD Subtype Study cohort...
September 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28670116/treatment-trends-in-patients-with-asthma-copd-overlap-syndrome-in-a-copd-cohort-findings-from-a-real-world-survey
#17
Bo Ding, Mark Small
BACKGROUND: Asthma and chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) is an increasingly recognized phenotype. Few randomized clinical trials have been conducted in patients with ACOS; therefore, scientific evidence concerning ACOS is scarce and a therapeutic approach remains unclear. The aim of this study was to evaluate current treatment trends for patients with ACOS, identified as those with a dual definition of asthma and COPD, in a real-world COPD cohort. METHODS: Data were analyzed from patients with asthma and COPD in the USA, France, Germany, Italy, Spain, and the UK who participated in the 2012 and 2013 Adelphi Respiratory Disease Specific Programmes (DSPs)...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28659395/cellular-and-molecular-mechanisms-of-asthma-and-copd
#18
REVIEW
Peter J Barnes
Asthma and chronic obstructive pulmonary disease (COPD) both cause airway obstruction and are associated with chronic inflammation of the airways. However, the nature and sites of the inflammation differ between these diseases, resulting in different pathology, clinical manifestations and response to therapy. In this review, the inflammatory and cellular mechanisms of asthma and COPD are compared and the differences in inflammatory cells and profile of inflammatory mediators are highlighted. These differences account for the differences in clinical manifestations of asthma and COPD and their response to therapy...
July 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28658564/a-clustering-approach-to-identify-and-characterize-the-asthma-and-chronic-obstructive-pulmonary-disease-overlap-phenotype
#19
Keita Hirai, Toshihiro Shirai, Masayuki Suzuki, Taisuke Akamatsu, Takahito Suzuki, Ichiro Hayashi, Akito Yamamoto, Takefumi Akita, Satoru Morita, Kazuhiro Asada, Daiki Tsuji, Kazuyuki Inoue, Kunihiko Itoh
BACKGROUND: Asthma and chronic obstructive pulmonary disease (COPD) are heterogeneous diseases. The phenotypes that have clinical features of both asthma and COPD are still incompletely understood. OBJECTIVE: To clarify the best discriminators of the asthma-COPD overlap phenotype from asthma and COPD subgroups using a clustering approach. METHODS: This study assessed pathophysiological parameters, including mRNA expression levels of T helper cell-related transcription factors, namely, TBX21 (Th1), GATA3 (Th2), RORC (Th17), and FOXP3 (Treg), in peripheral blood mononuclear cells in asthma patients (n = 152) and in COPD patients (n = 50)...
June 28, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28636425/american-thoracic-society-national-heart-lung-and-blood-institute-asthma-chronic-obstructive-pulmonary-disease-overlap-workshop-report
#20
Prescott G Woodruff, Maarten van den Berge, Richard C Boucher, Christopher Brightling, Esteban G Burchard, Stephanie A Christenson, MeiLan K Han, Michael J Holtzman, Monica Kraft, David A Lynch, Fernando D Martinez, Helen K Reddel, Don D Sin, George R Washko, Sally E Wenzel, Antonello Punturieri, Michelle M Freemer, Robert A Wise
Asthma and chronic obstructive pulmonary disease (COPD) are highly prevalent chronic obstructive lung diseases with an associated high burden of disease. Asthma, which is often allergic in origin, frequently begins in infancy or childhood with variable airflow obstruction and intermittent wheezing, cough, and dyspnea. Patients with COPD, in contrast, are usually current or former smokers who present after the age of 40 years with symptoms (often persistent) including dyspnea and a productive cough. On the basis of age and smoking history, it is often easy to distinguish between asthma and COPD...
August 1, 2017: American Journal of Respiratory and Critical Care Medicine
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