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Copd eosinophilia

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https://www.readbyqxmd.com/read/28490872/correlation-between-fractional-exhaled-nitric-oxide-and-sputum-eosinophilia-in-exacerbations-of-copd
#1
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
#2
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
#3
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
#4
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
#5
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...
April 21, 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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/27340385/immunomodulatory-effects-of-ambroxol-on-airway-hyperresponsiveness-and-inflammation
#14
Katsuyuki Takeda, Nobuaki Miyahara, Shigeki Matsubara, Christian Taube, Kenichi Kitamura, Astushi Hirano, Mitsune Tanimoto, Erwin W Gelfand
Ambroxol is used in COPD and asthma to increase mucociliary clearance and regulate surfactant levels, perhaps through anti-oxidant and anti-inflammatory activities. To determine the role and effect of ambroxol in an experimental model of asthma, BALB/c mice were sensitized to ovalbumin (OVA) followed by 3 days of challenge. Airway hyperresponsiveness (AHR), lung cell composition and histology, and cytokine and protein carbonyl levels in bronchoalveolar lavage (BAL) fluid were determined. Ambroxol was administered either before the first OVA challenge or was begun after the last allergen challenge...
June 2016: Immune Network
https://www.readbyqxmd.com/read/27224255/asthma-like-features-and-clinical-course-of-chronic-obstructive-pulmonary-disease-an-analysis-from-the-hokkaido-copd-cohort-study
#15
Masaru Suzuki, Hironi Makita, Satoshi Konno, Kaoruko Shimizu, Hiroki Kimura, Hirokazu Kimura, Masaharu Nishimura
RATIONALE: Some patients with chronic obstructive pulmonary disease (COPD) have asthma-like features, such as significant bronchodilator reversibility, blood eosinophilia, and/or atopy, even if they are not clinically diagnosed as having asthma. However, the clinical significance of asthma-like features overlapping with COPD remains unclear. OBJECTIVES: The aim of this study was to assess the effect of asthma-like features on the clinical course of patients with COPD who were adequately treated and followed-up over 10 years...
December 1, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27077144/-morphological-changes-in-the-respiratory-organs-in-chronic-obstructive-pulmonary-disease
#16
REVIEW
F T Malykhin, I V Kostornaya
The basis for airway remoldeling in patients with chronic obstructive pulmonary disease (COPD) is tissue changes contributing to thickening of the walls of the airway and its obstruction. As the disease becomes severer, there are increases in mucosal metaplasia, submucosal hypertrophy, peribronchial fibrosis, and airway smooth muscle mass. Drug therapy for COPD does not virtually lead to regression of airway obstruction, except when eosinophilia is present.
January 2016: Arkhiv Patologii
https://www.readbyqxmd.com/read/27013872/erratum-the-utility-of-inflammatory-markers-to-predict-readmissions-and-mortality-in-copd-cases-with-or-without-eosinophilia-corrigendum
#17
(no author information available yet)
[This corrects the article on p. 2469 in vol. 10, PMID: 26648709.].
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/26996272/blood-eosinophils-and-treatment-response-in-hospitalized-exacerbations-of-chronic-obstructive-pulmonary-disease-a-case-control-study
#18
Laura Serafino-Agrusa, Nicola Scichilone, Mario Spatafora, Salvatore Battaglia
BACKGROUND: In outpatients with chronic obstructive pulmonary disease (COPD), blood eosinophilia is considered as a biomarker of response to systemic corticosteroid therapy. However, little is known on whether blood eosinophilia is also predictive of positive clinical outcome in severe acute exacerbations of COPD requiring hospitalization. We hypothesized that blood eosinophil-positive severe acute exacerbations of COPD differ from eosinophil-negative ones in terms of response to therapy and clinical outcomes...
April 2016: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/26859368/interleukin-5-pathway-inhibition-in-the-treatment-of-eosinophilic-respiratory-disorders-evidence-and-unmet-needs
#19
REVIEW
Gilda Varricchi, Diego Bagnasco, Francesco Borriello, Enrico Heffler, Giorgio W Canonica
PURPOSE OF REVIEW: Human eosinophils were first identified and named by Paul Ehrlich in 1879 on the basis of the cell's granular uptake of eosin. Although eosinophils represent approximately 1% of peripheral blood leukocytes, they have the propensity to leave the blood stream and migrate into inflamed tissues. Eosinophils and their mediators are critical effectors to asthma and eosinophilic granulomatosis with polyangiitis (EGPA). Eosinophils are equipped with a large number of cell-surface receptors and produce specific cytokines and chemokines...
April 2016: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/26770668/eosinophilic-airway-inflammation-role-in-asthma-and-chronic-obstructive-pulmonary-disease
#20
REVIEW
Leena George, Christopher E Brightling
The chronic lung diseases, asthma and chronic obstructive pulmonary disease (COPD), are common affecting over 500 million people worldwide and causing substantial morbidity and mortality. Asthma is typically associated with Th2-mediated eosinophilic airway inflammation, in contrast to neutrophilic inflammation observed commonly in COPD. However, there is increasing evidence that the eosinophil might play an important role in 10-40% of patients with COPD. Consistently in both asthma and COPD a sputum eosinophilia is associated with a good response to corticosteroid therapy and tailored strategies aimed to normalize sputum eosinophils reduce exacerbation frequency and severity...
January 2016: Therapeutic Advances in Chronic Disease
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