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COPD eosinophil

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https://www.readbyqxmd.com/read/29167308/peripheral-eosinophil-count-as-a-biomarker-for-the-management-of-copd-not-there-yet
#1
EDITORIAL
Klaus F Rabe, Bianca Beghé, Leonardo M Fabbri
No abstract text is available yet for this article.
November 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29167301/prevalence-of-persistent-blood-eosinophilia-relation-to-outcomes-in-patients-with-copd
#2
Ciro Casanova, Bartolome R Celli, Juan P de-Torres, Cristina Martínez-Gonzalez, Borja G Cosio, Victor Pinto-Plata, Pilar de Lucas-Ramos, Miguel Divo, Antonia Fuster, Germán Peces-Barba, Myriam Calle-Rubio, Ingrid Solanes, Ramón Aguero, Nuria Feu-Collado, Inmaculada Alfageme, Alfredo De Diego, Amparo Romero, Eva Balcells, Antonia Llunell, Juan B Galdiz, Margarita Marin, Amalia Moreno, Carlos Cabrera, Rafael Golpe, Celia Lacarcel, Joan B Soriano, José Luis López-Campos, Juan J Soler-Cataluña, José M Marin
The impact of blood eosinophilia in chronic obstructive pulmonary disease (COPD) remains controversial.To evaluate the prevalence and stability of a high level of blood eosinophils (≥300 cells·μL(-1)) and its relationship to outcomes, we determined blood eosinophils at baseline and over 2 years in 424 COPD patients (forced expiratory volume in 1 s (FEV1) 60% predicted) and 67 smokers without COPD from the CHAIN cohort, and in 308 COPD patients (FEV1 60% predicted) in the BODE cohort. We related eosinophil levels to exacerbations and survival using Cox hazard analysis...
November 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29158761/eosinophilic-copd-a-separate-disease-phenotype-warranting-specific-treatment
#3
Leo Koenderman
No abstract text is available yet for this article.
2017: Tanaffos
https://www.readbyqxmd.com/read/29158758/eosinophilic-copd-a-separate-disease-phenotype-warranting-specific-treatment
#4
Leo Koenderman
No abstract text is available yet for this article.
2017: Tanaffos
https://www.readbyqxmd.com/read/29153881/relationship-of-blood-eosinophil-count-to-exacerbations-in-chronic-obstructive-pulmonary-disease
#5
Robert S Zeiger, Trung N Tran, Rebecca K Butler, Michael Schatz, Qiaowu Li, Deepak B Khatry, Ubaldo Martin, Aniket A Kawatkar, Wansu Chen
BACKGROUND: Eosinophilic airway inflammation characterizes a chronic obstructive pulmonary disease (COPD) phenotype that requires more study. OBJECTIVE: To investigate the relationship of blood eosinophil count to exacerbations in COPD. METHODS: Using administrative pharmacy and health care utilization data from 2009 to 2012, we retrospectively identified patients 40 years or older with a COPD diagnosis, postbronchodilator FEV1/forced vital capacity ratio of less than 0...
November 15, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29146301/association-of-sputum-and-blood-eosinophil-concentrations-with-clinical-measures-of-copd-severity-an-analysis-of-the-spiromics-cohort
#6
Annette T Hastie, Fernando J Martinez, Jeffrey L Curtis, Claire M Doerschuk, Nadia N Hansel, Stephanie Christenson, Nirupama Putcha, Victor E Ortega, Xingnan Li, R Graham Barr, Elizabeth E Carretta, David J Couper, Christopher B Cooper, Eric A Hoffman, Richard E Kanner, Eric Kleerup, Wanda K O'Neal, Richard Paine, Stephen P Peters, Neil E Alexis, Prescott G Woodruff, MeiLan K Han, Deborah A Meyers, Eugene R Bleecker
BACKGROUND: Increased concentrations of eosinophils in blood and sputum in chronic obstructive pulmonary disease (COPD) have been associated with increased frequency of exacerbations, reduced lung function, and corticosteroid responsiveness. We aimed to assess whether high eosinophil concentrations in either sputum or blood are associated with a severe COPD phenotype, including greater exacerbation frequency, and whether blood eosinophils are predictive of sputum eosinophils. METHODS: We did a multicentre observational study analysing comprehensive baseline data from SPIROMICS in patients with COPD aged 40-80 years who had a smoking history of at least 20 pack-years, recruited from six clinical sites and additional subsites in the USA between Nov 12, 2010, and April 21, 2015...
November 13, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29146300/eosinophils-in-copd-are-we-nearly-there-yet
#7
Mona Bafadhel
No abstract text is available yet for this article.
November 13, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29140725/reply-to-the-significance-of-eosinophilic-inflammation-in-copd
#8
Nicolas Roche, Kenneth R Chapman, Claus F Vogelmeier, Felix J F Herth, Chau Thach, Robert Fogel, Petter Olsson, Francesco Patalano, Donald Banerji, Jadwiga A Wedzicha
No abstract text is available yet for this article.
November 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29140724/the-significance-of-eosinophilic-inflammation-in-copd
#9
Christopher B Cooper, Guy Brusselle, Steven J Pascoe, Ian D Pavord
No abstract text is available yet for this article.
November 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29120273/triple-therapy-in-copd-what-we-know-and-what-we-don-t
#10
Peter M A Calverley, Helgo Magnussen, Marc Miravitlles, Jadwiga A Wedzicha
Triple inhaled therapy for chronic obstructive pulmonary disease (COPD) consists of an inhaled corticosteroid (ICS), a long-acting β2-agonist (LABA) and a long-acting muscarinic antagonist (LAMA) taken in combination. Triple therapy is recommended by the Global initiative for Chronic Obstructive Lung Disease (GOLD) for patients who experience recurrent exacerbations despite treatment with either a dual bronchodilator (preferred initial therapy) or LABA/ICS combination (alternative initial therapy). Although there is evidence for the greater efficacy of triple therapy compared with LABA/ICS and LAMA monotherapy with regards to improved lung function, health status, and exacerbation rate, the efficacy of triple therapy when compared with dual bronchodilation (LABA/LAMA) is as yet unknown...
November 9, 2017: COPD
https://www.readbyqxmd.com/read/29099646/emphysematous-phenotype-is-characterized-by-low-blood-eosinophils-a-cross-sectional-study
#11
Andriana I Papaioannou, Konstantinos Kostikas, Anastasia Papaporfyriou, Leonidas Angelakis, Evgenia Papathanasiou, Georgios Hillas, Argyro Mazioti, Petros Bakakos, Nikolaos Koulouris, Spyros Papiris, Stelios Loukides
Sputum and blood eosinophils are proposed as candidate biomarkers for the identification of chronic obstructive pulmonary disease (COPD) patients at risk for exacerbation and treatment response. In this study, we evaluated the associations of eosinophils with the presence of emphysema in COPD patients. Induced sputum and blood eosinophil measurements were performed in consecutive COPD patients. Patients underwent lung function testing and high resolution computed tomography (HRCT) of the chest and the presence of emphysema was quantified...
November 3, 2017: COPD
https://www.readbyqxmd.com/read/29094021/the-asthma-and-chronic-obstructive-pulmonary-disease-overlap-syndrome-in-tertiary-care-setting-thailand
#12
Theerasuk Kawamatawong, Sanruethai Charoenniwassakul, Ticha Rerkpattanapipat
Background: Asthma and chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) is an increasingly recognized clinical entity. ACOS significantly impacts on patient outcome compared to isolated asthma or COPD. However, ACOS definition and diagnosis criteria have not been well standardized. ACOS prevalence and clinical features in Thailand has never been studied. Objective: To investigate the prevalence and clinical features of ACOS compared to isolated asthma or COPD among patients with clinician-diagnosis of obstructive airway diseases...
October 2017: Asia Pacific Allergy
https://www.readbyqxmd.com/read/29083023/eosinophilic-copd-a-distinct-phenotype-of-the-disease
#13
Damian Tworek, Adam Antczak
Chronic Obstructive Pulmonary Disease (COPD) has been traditionally associated with neutrophilic inflammation of the bronchi. Studies from the early 1990s demonstrated that eosinophils may also get into the lower airways of patients with COPD and their increased numbers can be noticed during exacerbations as well as stable disease. Eosinophilic phenotype of COPD is characterized by several unique features, i.e. a specific pattern of airway inflammation and distinct clinical course or susceptibility to corticosteroid treatment...
2017: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/29080708/classification-of-cough-as-a-symptom-in-adults-and-management-algorithms-chest-guideline-and-expert-panel-report
#14
Richard S Irwin, Cynthia L French, Anne B Chang, Kenneth W Altman
BACKGROUND: We performed systematic reviews using the population, intervention, comparison, outcome (PICO) format to answer the following key clinical question: Are the CHEST 2006 classifications of acute, subacute and chronic cough and associated management algorithms in adults that were based on durations of cough useful? METHODS: We used the CHEST Expert Cough Panel's protocol for the systematic reviews and the American College of Chest Physicians (CHEST) methodological guidelines and Grading of Recommendations Assessment, Development, and Evaluation framework...
November 9, 2017: Chest
https://www.readbyqxmd.com/read/29052302/variability-of-blood-eosinophils-as-a-biomarker-in-asthma-and-copd
#15
Peter G Gibson
No abstract text is available yet for this article.
October 19, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/29044160/eosinophilia-and-clinical-outcome-of-chronic-obstructive-pulmonary-disease-a-meta-analysis
#16
Jeffery Ho, Wajia He, Matthew T V Chan, Gary Tse, Tong Liu, Sunny H Wong, Czarina C H Leung, Wai T Wong, Sharon Tsang, Lin Zhang, Rose Y P Chan, Tony Gin, Joseph Leung, Benson W M Lau, William K K Wu, Shirley P C Ngai
Numerous studies have investigated the association between eosinophilia and clinical outcome of patients with chronic obstructive pulmonary disease (COPD) but the evidence is conflicting. We conducted a pooled analysis of outcome measures comparing eosinophilic and non-eosinophilic COPD patients. We searched articles indexed in four databases using Medical Subject Heading or Title and Abstract words including COAD, COPD, eosinophil, eosinophilia, eosinopenia from inception to December 2016. Observational studies and randomized controlled trials with parallel groups comparing COPD patients with and without eosinophilia were included...
October 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29035604/biomarkers-for-differentiation-of-patients-with-asthma-and-chronic-obstructive-pulmonary-disease
#17
Shigeki Katoh, Masaki Ikeda, Ryo Shirai, Masaaki Abe, Yoshihiro Ohue, Yoshihiro Kobashi, Mikio Oka
OBJECTIVE: Asthma and chronic obstructive pulmonary disease (COPD) are airflow limitation diseases with similar clinical manifestations but different pathophysiologic mechanisms. To implement the appropriate treatment, it is important to distinguish between asthma and COPD which sometimes might result difficult in clinical practice. We evaluated biomarkers to distinguish between asthma and COPD. METHODS: Blood eosinophil counts and fractional exhaled nitric oxide (FeNO) levels were analyzed...
October 16, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29035097/blood-eosinophilia-does-not-reflect-tissue-eosinophils-nor-worsen-clinical-outcomes-in-copd
#18
Graziella Turato, Umberto Semenzato, Erica Bazzan, Davide Biondini, Mariaenrica Tinè, Nerea Torrecilla, Marta Forner, Josè Maria Marin, Manuel G Cosio, Marina Saetta
No abstract text is available yet for this article.
October 16, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29031617/steroid-sparing-effects-of-doxofylline
#19
Yanira Riffo-Vasquez, Radhakrishnan Venkatasamy, Clive P Page
Glucocorticosteroids are widely used in the treatment of asthma and chronic obstructive pulmonary disease (COPD). However, there are growing concerns about the side effect profile of this class of drug, particularly an increased risk of pneumonia. Over the last two decades there have been many attempts to find drugs to allow a reduction of glucocorticosteroids, including xanthines such as theophylline. Use of xanthines has been shown to lead to a reduction in the requirement for glucocorticosteroids, although xanthines also have a narrow therapeutic window limiting their wider use...
October 12, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29027380/different-expression-about-induced-sputum-cell-sorting-in-the-two-main-types-of-chronic-obstructive-pulmonary-disease
#20
Huifang Song, Chunmei Yun, Maoye Xu, Dejun Sun
BACKGROUND: The difference in expression of sputum cells types between the two main types of chronic obstructive pulmonary disease (COPD) is largely unknown. This study aims to investigate the difference and then wants to depend on sputum cells sorting to direct the treatment of COPD. METHODS: A total of 218 patients with stable COPD (FEV1 < 80%) were selected. Stable COPD patients (n = 218) were classified as eosinophilic (A phenotype) or noneosinophilic (B phenotype); sometimes, the subjects were separated into cough group (C phenotype) and dyspnea group (D phenotype)...
December 2017: Diagnostic Cytopathology
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