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Copd eosinophilia

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https://www.readbyqxmd.com/read/29044160/eosinophilia-and-clinical-outcome-of-chronic-obstructive-pulmonary-disease-a-meta-analysis
#1
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/29035097/blood-eosinophilia-does-not-reflect-tissue-eosinophils-nor-worsen-clinical-outcomes-in-copd
#2
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/28947018/blood-eosinophilia-as-a-marker-of-early-and-late-treatment-failure-in-severe-acute-exacerbations-of-copd
#3
Hendrik J Prins, Ruud Duijkers, Rene Lutter, Johannes M Daniels, Paul van der Valk, Margreet Schoorl, Huib A Kerstjens, Tjip S van der Werf, Wim G Boersma
BACKGROUND: Blood eosinophilia is frequently encountered in patients with AECOPD. However the impact of blood eosinophilia at admission in patients with AECOPD on outcome on the short and long term has not been extensively studied which was the objective of the present study. METHODS: We used data of 207 exacerbations from a randomized clinical trial on antibiotic prescription based upon CRP-levels versus GOLD guided strategy and analyzed the impact of blood eosinophils (≥2% of total white cell count and eosinophil count ≥300 cell/microliter) on clinical outcome...
October 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28916185/alveolar-eosinophilia-in-current-smokers-with-chronic-obstructive-pulmonary-disease-in-the-spiromics-cohort
#4
Carlos H Martinez, Sara X Li, Andrew J Hirzel, Valerie R Stolberg, Neil E Alexis, R Graham Barr, Eugene R Bleecker, Elizabeth E Carretta, Stephanie A Christenson, Christopher B Cooper, David J Couper, Claire M Doerschuk, MeiLan K Han, Nadia N Hansel, Annette T Hastie, Eric A Hoffman, Robert J Kaner, Fernando J Martinez, Deborah A Meyers, Wanda K O'Neal, Robert Paine, Nirupama Putcha, Stephen I Rennard, Prescott G Woodruff, Michelle Zeidler, Jeffrey L Curtis, Christine M Freeman
No abstract text is available yet for this article.
September 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28863927/the-role-of-non-invasive-modalities-for-assessing-inflammation-in-patients-with-non-cystic-fibrosis-bronchiectasis
#5
Stamatoula Tsikrika, Katerina Dimakou, Andriana I Papaioannou, Georgios Hillas, Loukas Thanos, Kostantinos Kostikas, Stelios Loukides, Spyros Papiris, Nickolaos Koulouris, Petros Bakakos
INTRODUCTION: Bronchiectasis is a heterogeneous entity, taking into account clinical characteristics, inflammatory response, effectiveness of treatment and frequency of exacerbations. In stable state non-cystic fibrosis (non-CF) bronchiectasis, little is known about non-invasive techniques used for evaluating airway inflammation in obstructive airway diseases. OBJECTIVES: We sought to evaluate the associations between induced sputum and clinical/radiologic characteristics, and the differences between biomarkers expressing Th1 and Th2 response in patients with non-CF bronchiectasis and to compare our findings with a previously studied population of patients with asthma and COPD...
August 29, 2017: Cytokine
https://www.readbyqxmd.com/read/28814851/effect-of-allergic-phenotype-on-treatment-response-to-inhaled-bronchodilators-with-or-without-inhaled-corticosteroids-in-patients-with-copd
#6
Shih-Lung Cheng, Hsu Hui Wang, Ching-Hsiung Lin
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a heterogeneous disorder encompassing different phenotypes with different responses to treatment. The present 1-year, two-center hospital-based study investigated whether the plasma immunoglobulin E (IgE) level and/or eosinophil cell count could be used as biomarkers to stratify patients with COPD according to predicted responses to inhaled corticosteroids (ICS)-based therapy. METHODS: A hospital-data based cohort study of COPD patients treated at two territory hospital centers was conducted for 1 year...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28658564/a-clustering-approach-to-identify-and-characterize-the-asthma-and-chronic-obstructive-pulmonary-disease-overlap-phenotype
#7
K Hirai, T Shirai, M Suzuki, T Akamatsu, T Suzuki, I Hayashi, A Yamamoto, T Akita, S Morita, K Asada, D Tsuji, K Inoue, K 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)...
November 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28490872/correlation-between-fractional-exhaled-nitric-oxide-and-sputum-eosinophilia-in-exacerbations-of-copd
#8
Jie Gao, Min Zhang, Liqin Zhou, Xing Yang, Haigui Wu, Jianfang Zhang, Feng Wu
INTRODUCTION: Measurements of eosinophils in induced sputum and fractional exhaled nitric oxide (FeNO) are noninvasive biomarkers for assessing airway inflammation phenotypes in chronic obstructive pulmonary disease (COPD). Nevertheless, the clinical application of the correlation between FeNO levels and sputum eosinophilia is controversial. The study aimed to investigate the correlation and predictive relationship between FeNO levels and sputum eosinophils in patients with COPD exacerbation...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28469498/twenty-five-years-of-chronic-strongyloidiasis-in-an-immigrant
#9
Kalambay N Junior, Rehana Zaman, Mohammed H Zaman, Taufiq Zaman
Chronic strongyloidiasis is an infection of the tropical regions, caused by the nematode Strongyloides stercoralis. In the United States, patients are typically immigrants. The very long asymptomatic phase followed by the clinical presentation of the disease mimics asthma, chronic obstructive pulmonary disease (COPD), or inflammatory bowel disease (IBD) as in this case report. The inconsistency of eosinophilia and the low sensitivity of microscopic stool examination make chronic strongyloidiasis a disease that is frequently misdiagnosed in the United States...
2017: Clinical Medicine Insights. Case Reports
https://www.readbyqxmd.com/read/28454572/invasive-pulmonary-mucormycosis-rare-presentation-with-pulmonary-eosinophilia
#10
Taizou Hirano, Mitsuhiro Yamada, Kei Sato, Koji Murakami, Tokiwa Tamai, Yoshiya Mitsuhashi, Tsutomu Tamada, Hisatoshi Sugiura, Naomi Sato, Ryoko Saito, Junya Tominaga, Akira Watanabe, Masakazu Ichinose
BACKGROUND: Fungi can cause a variety of infectious diseases, including invasive mycosis and non-invasive mycosis, as well as allergic diseases. The different forms of mycosis usually have been described as mutually exclusive, independent entities, with few descriptions of overlapping cases. Here, we describe the first reported case of a patient with the complication of pulmonary eosinophilia in the course of invasive mucormycosis. CASE PRESENTATION: A 74-year-old Japanese man with asthma-COPD overlap underwent emergency surgery for a ruptured abdominal aortic aneurysm...
April 28, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28442899/approaches-to-drug-therapy-for-copd-in-russia-a-proposed-therapeutic-algorithm
#11
Kirill A Zykov, Svetlana I Ovcharenko
Until recently, there have been few clinical algorithms for the management of patients with COPD. Current evidence-based clinical management guidelines can appear to be complex, and they lack clear step-by-step instructions. For these reasons, we chose to create a simple and practical clinical algorithm for the management of patients with COPD, which would be applicable to real-world clinical practice, and which was based on clinical symptoms and spirometric parameters that would take into account the pathophysiological heterogeneity of COPD...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28438346/post-bronchodilator-reversibility-of-fev1-and-eosinophilic-airway-inflammation-in-copd
#12
Kun-Ta Chou, Kang-Cheng Su, Yi-Han Hsiao, Shiang-Fen Huang, Hsin-Kuo Ko, Ching-Min Tseng, Vincent Yi-Fong Su, Diahn-Warng Perng
INTRODUCTION: The relationship between bronchodilator responsiveness and eosinophilic airway inflammation has not been well documented in COPD. It has been investigated in this retrospective study. This issue has grown in importance due to increasing interest in the asthma-COPD overlap syndrome. METHODS: 264 stable COPD patients with no past history of asthma were retrospectively analyzed. Correlation analyses between FEV1 reversibility and sputum eosinophil levels were conducted...
October 2017: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/28089081/asthma-chronic-obstructive-pulmonary-disease-overlap-syndrome-literature-review-and-contributions-towards-a-portuguese-consensus
#13
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...
March 2017: Revista Portuguesa de Pneumologia
https://www.readbyqxmd.com/read/27973326/asthma-exacerbations-in-a-tertiary-hospital-clinical-features-triggers-and-risk-factors-for-hospitalization
#14
B Pola-Bibian, J Dominguez-Ortega, G Vilà-Nadal, A Entrala, L González-Cavero, P Barranco, N Cancelliere, M Díaz-Almirón, S Quirce
BACKGROUND: Risk factors for asthma exacerbations are not fully understood. The aim of this study was to determine the epidemiological and clinical characteristics of patients with an asthma exacerbation, potential triggers, and possible predictors of hospitalization. METHODS: A retrospective, non-interventional cohort study was conducted in adult patients who attended the Emergency Department of a tertiary hospital with an asthma exacerbation during 2014. RESULTS: 831 patients (888 events) were included...
December 14, 2016: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/27773786/monoclonal-antibody-therapy-for-the-treatment-of-asthma-and-chronic-obstructive-pulmonary-disease-with-eosinophilic-inflammation
#15
REVIEW
John Nixon, Paul Newbold, Tomas Mustelin, Gary P Anderson, Roland Kolbeck
Eosinophils have been linked with asthma for more than a century, but their role has been unclear. This review discusses the roles of eosinophils in asthma and chronic obstructive pulmonary disease (COPD) and describes therapeutic antibodies that affect eosinophilia. The aims of pharmacologic treatments for pulmonary conditions are to reduce symptoms, slow decline or improve lung function, and reduce the frequency and severity of exacerbations. Inhaled corticosteroids (ICS) are important in managing symptoms and exacerbations in asthma and COPD...
January 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27746201/eosinophils-in-copd-exacerbations-are-associated-with-increased-readmissions
#16
Simon Couillard, Pierre Larivée, Josiane Courteau, Alain Vanasse
BACKGROUND: A subset of patients with COPD demonstrates eosinophilic inflammation either in their sputum or blood. Previous studies regarding the association between increased blood eosinophil levels and poor readmission outcomes are conflicting. The goal of this study was to investigate outcomes following severe COPD exacerbations in patients with higher blood eosinophil levels. METHODS: With an observational study design, data on hospitalizations for severe COPD exacerbation were retrospectively gathered...
February 2017: Chest
https://www.readbyqxmd.com/read/27590400/breathomics-in-the-setting-of-asthma-and-chronic-obstructive-pulmonary-disease
#17
REVIEW
Lieuwe D Bos, Peter J Sterk, Stephen J Fowler
Exhaled breath contains thousands of volatile organic compounds that reflect the metabolic process occurring in the host both locally in the airways and systemically. They also arise from the environment and airway microbiome. Comprehensive analysis of breath volatile organic compounds (breathomics) provides opportunities for noninvasive biomarker discovery and novel mechanistic insights. Applications in patients with obstructive lung diseases, such as asthma and chronic obstructive pulmonary disease, include not only diagnostics (especially in children and other challenging diagnostic areas) but also identification of clinical treatable traits, such as airway eosinophilia and risk of infection/exacerbation, that are not specific to diagnostic labels...
October 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27452453/triple-inhaled-therapy-for-chronic-obstructive-pulmonary-disease
#18
REVIEW
Paolo Montuschi, Mario Malerba, Giuseppe Macis, Nadia Mores, Giuseppe Santini
Combining individual drugs in a single inhaler is the most convenient way to deliver triple therapy. A long-acting muscarinic receptor antagonist (LAMA) added to an inhaled corticosteroid (ICS)/long-acting β2-adrenoceptor agonist (LABA) fixed-dose combination (FDC) can improve efficacy of pharmacological treatment of patients with chronic obstructive pulmonary disease (COPD). New inhaled ICS/LABA/LAMA FDCs, including fluticasone furoate/vilanterol/umeclidinium, budesonide/formoterol/glycopyrronium and beclometasone/formoterol/glycopyrronium, are in Phase III of clinical development for COPD...
November 2016: Drug Discovery Today
https://www.readbyqxmd.com/read/27445469/peripheral-blood-eosinophils-a-surrogate-marker-for-airway-eosinophilia-in-stable-copd
#19
COMPARATIVE STUDY
Netsanet A Negewo, Vanessa M McDonald, Katherine J Baines, Peter Ab Wark, Jodie L Simpson, Paul W Jones, Peter G Gibson
INTRODUCTION: Sputum eosinophilia occurs in approximately one-third of stable chronic obstructive pulmonary disease (COPD) patients and can predict exacerbation risk and response to corticosteroid treatments. Sputum induction, however, requires expertise, may not always be successful, and does not provide point-of-care results. Easily applicable diagnostic markers that can predict sputum eosinophilia in stable COPD patients have the potential to progress COPD management. This study investigated the correlation and predictive relationship between peripheral blood and sputum eosinophils...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27343405/activation-of-angiotensin-converting-enzyme-2-ace2-attenuates-allergic-airway-inflammation-in-rat-asthma-model
#20
Vaibhav Shrirang Dhawale, Venkateswara Rao Amara, Pinakin Arun Karpe, Vajir Malek, Deep Patel, Kulbhushan Tikoo
Angiotensin-I converting enzyme (ACE) is positively correlated to asthma, chronic obstructive pulmonary disease (COPD), acute respiratory distress syndrome (ARDS) and is highly expressed in lungs. ACE2, the counteracting enzyme of ACE, was proven to be protective in pulmonary, cardiovascular diseases. In the present study we checked the effect of ACE2 activation in animal model of asthma. Asthma was induced in male wistar rats by sensitization and challenge with ovalbumin and then treated with ACE2 activator, diminazene aceturate (DIZE) for 2weeks...
September 1, 2016: Toxicology and Applied Pharmacology
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