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Asthma-COPD overlap

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https://www.readbyqxmd.com/read/28103123/disease-burden-of-patients-with-asthma-copd-overlap-in-a-us-claims-database-impact-of-icd-9-coding-based-definitions
#1
Keele E Wurst, Samantha St Laurent, David Hinds, Kourtney J Davis
The inclusion of an asthma/chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) population in the 2015 Global Initiative for Chronic Obstructive Lung Disease strategic documents has raised questions about the profile of these patients in clinical practice, as they are mostly excluded from asthma and COPD clinical trials. We estimated the disease burden, co-morbidities, and respiratory treatments of patients with asthma/COPD overlap, utilizing the Truven MarketScan commercial and Medicare databases...
January 19, 2017: COPD
https://www.readbyqxmd.com/read/28100824/asthma-copd-overlap-syndrome-showed-more-exacerbations-however-lower-mortality-than-copd
#2
J-W Bai, B Mao, W-L Yang, S Liang, H-W Lu, J-F Xu
BACKGROUND: Asthma-chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) is a new determinate syndrome whose exact characteristics remain unclear. AIM: The objective of this study is to find more difference between ACOS and COPD. DESIGN: A retrospective study of ACOS and COPD in Chinese. METHODS: Data from 65 patients with ACOS and 65 patients with COPD were retrospectively collected and analyzed. The basis of this study was to compare the two groups while ruling out differences in age, sex and smoking history...
January 18, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28089081/asthma-chronic-obstructive-pulmonary-disease-overlap-syndrome-literature-review-and-contributions-towards-a-portuguese-consensus
#3
D Araújo, E Padrão, M Morais-Almeida, J Cardoso, F Pavão, R B Leite, A C Caldas, A Marques
INTRODUCTION: Phenotypic overlap between the two main chronic airway pulmonary diseases, asthma and chronic obstructive pulmonary disease (COPD), has been the subject of debate for decades, and recently the nomenclature of asthma-COPD overlap syndrome (ACOS) was adopted for this condition. The definition of this entity in the literature is, however, very heterogeneous, it is therefore important to define how it applies to Portugal. METHODS: A literature review of ACOS was made in a first phase resulting in the drawing up of a document that was later submitted for discussion among a panel of chronic lung diseases experts, resulting in reflexions about diagnosis, treatment and clinical guidance for ACOS patients...
January 6, 2017: Revista Portuguesa de Pneumologia
https://www.readbyqxmd.com/read/28055002/identifying-possible-asthma-copd-overlap-syndrome-in-patients-with-a-new-diagnosis-of-copd-in-primary-care
#4
Camilla Boslev Baarnes, Peter Kjeldgaard, Mia Nielsen, Marc Miravitlles, Charlotte Suppli Ulrik
The asthma-chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) remains poorly characterised. Our aim was to describe an algorithm for identifying possible ACOS in adults with newly diagnosed COPD in primary care. General practitioners (n=241) consecutively recruited subjects ⩾35 years, with tobacco exposure, at least one respiratory symptom and no previous diagnosis of obstructive lung disease. Possible ACOS was defined as chronic airflow obstruction, i.e., post-bronchodilator (BD) forced expiratory volume 1/forced vital capacity (FEV1/FVC) ratio<0...
January 5, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28005431/lung-development-and-aging
#5
Andrew Bush
The onset of chronic obstructive pulmonary disease (COPD) can arise either from failure to attain the normal spirometric plateau or from an accelerated decline in lung function. Despite reports from numerous big cohorts, no single adult life factor, including smoking, accounts for this accelerated decline. By contrast, five childhood risk factors (maternal and paternal asthma, maternal smoking, childhood asthma and respiratory infections) are strongly associated with an accelerated rate of lung function decline and COPD...
December 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27994446/exacerbations-and-health-care-resource-utilization-in-patients-with-airflow-limitation-diseases-attending-a-primary-care-setting-the-puma-study
#6
Maria Montes de Oca, Carlos Aguirre, Maria Victorina Lopez Varela, Maria E Laucho-Contreras, Alejandro Casas, Filip Surmont
BACKGROUND: COPD, asthma, and asthma-COPD overlap increase health care resource consumption, predominantly because of hospitalization for exacerbations and also increased visits to general practitioners (GPs) or specialists. Little information is available regarding this in the primary care setting. OBJECTIVES: To describe the prevalence and number of GP and specialist visits for any cause or due to exacerbations in patients with COPD, asthma, and asthma-COPD overlap...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27977310/therapeutic-approaches-to-asthma-chronic-obstructive-pulmonary-disease-overlap
#7
Edmund M T Lau, Nicole A Roche, Helen K Reddel
Patients with features of both asthma and chronic obstructive pulmonary disease (COPD) ('asthma-COPD overlap') experience greater symptom burden and higher risk of adverse health outcomes than those with asthma or COPD alone. However, virtually no pharmacotherapy studies have been performed in this overlap population, leading to confusion amongst clinicians regarding therapeutic approaches. Areas covered: A pragmatic approach is suggested to identify patients with typical asthma, typical COPD, and those with overlap features...
December 26, 2016: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/27942211/computer-quantification-of-angle-of-collapse-on-maximum-expiratory-flow-volume-curve-for-diagnosing-asthma-copd-overlap-syndrome
#8
Wei Wang, Mengshuang Xie, Shuang Dou, Liwei Cui, Wei Xiao
BACKGROUND: In a previous study, we demonstrated that asthma patients with signs of emphysema on quantitative computed tomography (CT) fulfill the diagnosis of asthma-COPD overlap syndrome (ACOS). However, quantitative CT measurements of emphysema are not routinely available for patients with chronic airway disease, which limits their application. Spirometry was a widely used examination tool in clinical settings and shows emphysema as a sharp angle in the maximum expiratory flow volume (MEFV) curve, called the "angle of collapse (AC)"...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27942210/airflow-obstruction-is-it-asthma-or-is-it-copd
#9
REVIEW
Paola Rogliani, Josuel Ora, Ermanno Puxeddu, Mario Cazzola
Despite the availability of guideline recommendations, diagnostic confusion between COPD and asthma appears common, and often it is very difficult to decide whether the obstruction is caused by asthma or COPD in a patient with airway obstruction. However, there are well-defined features that help in differentiating asthma from COPD in the presence of fixed airflow obstruction. Nonetheless, the presentations of asthma and COPD can converge and mimic each other, making it difficult to give these patients a diagnosis of either condition...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27877033/combination-therapy-of-inhaled-steroids-and-long-acting-beta2-agonists-in-asthma-copd-overlap-syndrome
#10
Suh-Young Lee, Hye Yun Park, Eun Kyung Kim, Seong Yong Lim, Chin Kook Rhee, Yong Il Hwang, Yeon-Mok Oh, Sang Do Lee, Yong Bum Park
BACKGROUND: The efficacy of inhaled corticosteroids (ICSs)/long-acting beta2-agonist (LABA) treatment in patients with asthma-chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) compared to patients with COPD alone has rarely been examined. This study aimed to evaluate the clinical efficacy for the improvement of lung function after ICS/LABA treatment in patients with ACOS compared to COPD alone patients. METHODS: Patients with stable COPD were selected from the Korean Obstructive Lung Disease (KOLD) cohort...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27798319/treatment-patterns-in-asthma-chronic-obstructive-pulmonary-disease-overlap-syndrome
#11
Maithili Deshpande, Jennifer Arnoldi
BACKGROUND: Asthma and chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) is a complex disease entity with limited guidance surrounding medication therapy. OBJECTIVE: To evaluate a patient population with possible ACOS and their medication regimen based on the Global Initiative for Asthma and Global Initiative for COPD joint statement for ACOS. METHODS: This was a retrospective study based at a large clinical practice within a school of medicine...
October 25, 2016: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/27796796/the-reemergence-of-the-asthma-copd-overlap-syndrome-characterizing-a-syndrome-in-the-precision-medicine-era
#12
REVIEW
Stephanie A Christenson
PURPOSE OF REVIEW: The asthma-COPD overlap syndrome (ACOS) has reemerged in the medical literature. This review addresses our current understanding of ACOS as a clinical and biological entity and how new and existing therapies may be targeted to this group. RECENT FINDINGS: Many studies suggest that ACOS is common and associated with more morbidity than asthma and COPD in general. However, there is no consensus on an ACOS definition, likely due to the heterogeneity of the disease...
November 2016: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/27757028/characterization-of-sputum-biomarkers-for-asthma-copd-overlap-syndrome
#13
Jing Gao, Hiroshi Iwamoto, Jukka Koskela, Harri Alenius, Noboru Hattori, Nobuoki Kohno, Tarja Laitinen, Witold Mazur, Ville Pulkkinen
Asthma-COPD overlap syndrome (ACOS) is a commonly encountered chronic airway disease. However, ACOS is still a consensus-based clinical phenotype and the underlying inflammatory mechanisms are inadequately characterized. To clarify the inflammatory mediatypical for ACOS, five biomarkers, namely interleukin (IL)-13, myeloperoxidase (MPO), neutrophil gelatinase-associated lipocalin (NGAL), chitinase-like protein (YKL-40), and IL-6, were selected. This study hypothesized that sputum biomarkers relevant for airway inflammation in asthma (IL-13), COPD (MPO, NGAL), or in both asthma and COPD (YKL-40, IL-6) could be used to differentiate ACOS from COPD and asthma...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27746898/advances-in-understanding-copd
#14
Gary P Anderson
In recent years, thousands of publications on chronic obstructive pulmonary disease (COPD) and its related biology have entered the world literature, reflecting the increasing scientific and medical interest in this devastating condition. This article is a selective review of several important emerging themes that offer the hope of creating new classes of COPD medicines. Whereas basic science is parsing molecular pathways in COPD, its comorbidities, and asthma COPD overlap syndrome (ACOS) with unprecedented sophistication, clinical translation is disappointingly slow...
2016: F1000Research
https://www.readbyqxmd.com/read/27742181/omalizumab-treatment-response-in-a-severe-allergic-asthma-population-with-overlapping-copd
#15
Steven Maltby, Peter G Gibson, Heather Powell, Vanessa M McDonald
BACKGROUND: Asthma and chronic obstructive pulmonary disease (COPD) are common airway diseases. Individuals with overlapping asthma and COPD experience increased health impairment and severe disease exacerbations. Efficacious treatment options are required for this population. Omalizumab (anti-IgE) therapy is effective in patients with severe, persistent asthma, but limited data are available on efficacy in populations with overlapping asthma and COPD. METHODS: Data from the Australian Xolair Registry (AXR) was used to compare treatment responses in individuals with asthma-COPD overlap to severe asthma alone...
October 11, 2016: Chest
https://www.readbyqxmd.com/read/27739024/expression-of-inflammatory-mediators-in-induced-sputum-comparative-study-in-asthma-and-copd
#16
Magdalena Paplińska-Goryca, Patrycja Nejman-Gryz, Katarzyna Górska, Katarzyna Białek-Gosk, Joanna Hermanowicz-Salamon, Rafał Krenke
Asthma and COPD are the most common obstructive lung diseases characterized by inflammation in the lower airways which contribute to airflow limitation. Different inflammatory mediators are thought to play a key role in these diseases. This study was conducted in 13 patients with asthma, 12 patients with COPD, and 13 control subjects. The expression of mRNA of IL-6, IL-13, CXCL8, TSLP, IL-33, IL-25, IL-17, ECP, mast cell tryptase, CCL24, and CCL26 was assessed in induced sputum cells by real time PCR. We found that CXCL8 was strongly related to the neutrophil percentage but differed significantly in COPD and asthma patients...
October 14, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27730177/development-of-a-diagnostic-decision-tree-for-obstructive-pulmonary-diseases-based-on-real-life-data
#17
Esther I Metting, Johannes C C M In 't Veen, P N Richard Dekhuijzen, Ellen van Heijst, Janwillem W H Kocks, Jacqueline B Muilwijk-Kroes, Niels H Chavannes, Thys van der Molen
The aim of this study was to develop and explore the diagnostic accuracy of a decision tree derived from a large real-life primary care population. Data from 9297 primary care patients (45% male, mean age 53±17 years) with suspicion of an obstructive pulmonary disease was derived from an asthma/chronic obstructive pulmonary disease (COPD) service where patients were assessed using spirometry, the Asthma Control Questionnaire, the Clinical COPD Questionnaire, history data and medication use. All patients were diagnosed through the Internet by a pulmonologist...
January 2016: ERJ Open Research
https://www.readbyqxmd.com/read/27713629/importance-of-fractional-exhaled-nitric-oxide-in-the-differentiation-of-asthma-copd-overlap-syndrome-asthma-and-copd
#18
Feng-Jia Chen, Xin-Yan Huang, Yang-Li Liu, Geng-Peng Lin, Can-Mao Xie
BACKGROUND: Fractional exhaled nitric oxide (FeNO) is an easy, sensitive, reproducible, and noninvasive marker of eosinophilic airway inflammation. Accordingly, FeNO is extensively used to diagnose and manage asthma. Patients with COPD who share some of the features of asthma have a condition called asthma-COPD overlap syndrome (ACOS). The feasibility of using FeNO to differentiate ACOS patients from asthma and COPD patients remains unclear. METHODS: From February 2013 to May 2016, patients suspected with asthma and COPD through physician's opinion were subjected to FeNO measurement, pulmonary function test (PFT), and bronchial hyperresponsiveness or bronchodilator test...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27709465/leukotriene-receptor-antagonists-for-the-treatment-of-asthma-in-elderly-patients
#19
REVIEW
Hoang Kim Tu Trinh, Ga-Young Ban, Ji-Ho Lee, Hae-Sim Park
Elderly asthma (EA) is regarded as a distinct phenotype of asthma and is associated with age-related changes in airway structure and alterations in lung function and immune responses. EA is difficult to diagnose because of aging and co-morbidities, and overlaps with fixed airway obstructive disease. Novel modalities to differentiate between EA and chronic obstructive pulmonary disease (COPD) are necessary. A multifaceted approach, including clinical history, smoking habits, atopy, and measurement of lung function, is mandatory to differentiate asthma from COPD...
October 2016: Drugs & Aging
https://www.readbyqxmd.com/read/27684372/distribution-and-outcomes-of-a-phenotype-based-approach-to-guide-copd-management-results-from-the-chain-cohort
#20
Borja G Cosio, Joan B Soriano, Jose Luis López-Campos, Myriam Calle, Juan José Soler, Juan Pablo de-Torres, Jose Maria Marín, Cristina Martínez, Pilar de Lucas, Isabel Mir, Germán Peces-Barba, Nuria Feu-Collado, Ingrid Solanes, Inmaculada Alfageme
RATIONALE: The Spanish guideline for COPD (GesEPOC) recommends COPD treatment according to four clinical phenotypes: non-exacerbator phenotype with either chronic bronchitis or emphysema (NE), asthma-COPD overlap syndrome (ACOS), frequent exacerbator phenotype with emphysema (FEE) or frequent exacerbator phenotype with chronic bronchitis (FECB). However, little is known on the distribution and outcomes of the four suggested phenotypes. OBJECTIVE: We aimed to determine the distribution of these COPD phenotypes, and their relation with one-year clinical outcomes...
2016: PloS One
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