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https://www.readbyqxmd.com/read/28442899/approaches-to-drug-therapy-for-copd-in-russia-a-proposed-therapeutic-algorithm
#1
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
#2
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/28392036/is-the-blood-eosinophil-count-a-useful-biomarker-in-copd-the-devil-is-in-the-details
#3
Bartolome Celli
No abstract text is available yet for this article.
April 6, 2017: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/28366481/biologic-therapy-in-chronic-obstructive-pulmonary-disease
#4
REVIEW
Julia W Tripple, Jennifer L McCracken, William J Calhoun
Chronic obstructive pulmonary disease (COPD) is common worldwide. The predominant cause in most COPD is environmental exposure to toxicants. The inflammatory processes in COPD are multifactorial, complex, and interacting, leading to many potential therapeutic targets. Although most typically associated with neutrophilic/macrophagic inflammation (type 1), it is now known that COPD can also be associated with eosinophilic inflammation (type 2), particularly in exacerbations. Accordingly, there is an active program of investigation of highly selective biologic therapeutic agents in the management of COPD...
May 2017: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/28352169/evidence-of-eosinophil-extracellular-trap-cell-death-in-copd-does-it-represent-the-trigger-that-switches-on-the-disease
#5
Loli Uribe Echevarría, Carolina Leimgruber, Jorge García González, Alberto Nevado, Ruth Álvarez, Luciana N García, Amado A Quintar, Cristina A Maldonado
In spite of the numerous studies on chronic obstructive pulmonary disease (COPD), the cellular and molecular basis of the disease's development remain unclear. Neutrophils and eosinophils are known to be key players in COPD. Recently, neutrophil extracellular trap cell death (NETosis), a mechanism due to decondensation and extrusion of chromatin to form extracellular traps, has been demonstrated in COPD. However, there is limited knowledge about eosinophil extracellular trap cell death (EETosis) and its role in the pathogenesis of COPD...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28347199/the-use-of-cellular-and-molecular-biomarkers-to-manage-copd-exacerbations
#6
Terence Ho, Angira Dasgupta, Frederick E Hargreave, Parameswaran Nair
Chronic obstructive pulmonary disease (COPD) exacerbations are a common cause of respiratory morbidity and mortality, and have various etiologies. Multiple cellular and molecular biomarkers have been associated with exacerbations. Quantitative sputum cell counts are able to identify the presence and type of bronchitis, which is an important contributor to exacerbations. Their utility to monitor bronchitis and to help treat exacerbations has been evaluated, yet they are not used in routine clinical practice...
May 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28278391/blood-eosinophils-and-response-to-maintenance-copd-treatment-data-from-the-flame-trial
#7
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
RATIONALE: Post-hoc analyses suggest that blood eosinophils have potential as a predictive biomarker of inhaled corticosteroid efficacy in the management of chronic obstructive pulmonary disease. OBJECTIVES: We prospectively investigated the value of blood eosinophils as a predictor of responsiveness to an inhaled corticosteroid/long-acting β2-agonist combination versus a long-acting β2-agonist/long-acting muscarinic antagonist combination for exacerbation prevention...
March 9, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28260876/heterogeneity-of-asthma-copd-overlap-syndrome
#8
Hyonsoo Joo, Deokjae Han, Jae Ha Lee, Chin Kook Rhee
Many patients suffering from asthma or COPD have overlapping features of both diseases. However, a phenotypical approach for evaluating asthma-COPD overlap syndrome (ACOS) has not been established. In this report, we examined the phenotypes in patients with ACOS. Patients diagnosed with ACOS between 2011 and 2015 were identified and classified into four phenotype groups. Group A was composed of patients who smoked <10 pack years and had blood eosinophil counts ≥300. Group B was composed of patients who smoked <10 pack years and had blood eosinophil counts <300...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28260873/chronic-rhinosinusitis-is-associated-with-higher-prevalence-and-severity-of-bronchiectasis-in-patients-with-copd
#9
Xia Yang, Yali Xu, Jianmin Jin, Ruimin Li, Xiaofang Liu, Yongchang Sun
BACKGROUND AND PURPOSE: Bronchiectasis revealed by high-resolution computed tomography (HRCT) is common in chronic obstructive pulmonary disease (COPD), but the causes and risk factors remain to be determined. Chronic rhinosinusitis (CRS) is closely associated with bronchiectasis or COPD, but whether it is associated with comorbid bronchiectasis in COPD (COPD-Bx) is unknown. PATIENTS AND METHODS: Patients with stable COPD were enrolled consecutively and evaluated for the presence of CRS by questionnaire and paranasal sinus computed tomography...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28243079/can-we-predict-the-prognosis-of-copd-with-a-routine-blood-test
#10
Wei Xiong, Mei Xu, Yunfeng Zhao, Xueling Wu, Bigyan Pudasaini, Jin-Ming Liu
BACKGROUND: The major characteristic of COPD is systemic inflammation. The parameters such as neutrophil-to-lymphocyte ratio (NLR) and eosinophil-to-basophil ratio (EBR) in routine blood test (RBT) are considered to be the underlying biomarkers of inflammation. We hypothesized that the prognosis of patients with COPD can be predicted with RBT. METHODS: Patients with COPD in stable stage were enrolled. The RBT, pulmonary function testing (PFT), BODE index, C-reactive protein (CRP), procalcitonin, and erythrocyte sedimentation rate (ESR) were performed at enrollment and every follow-up once in every 3 months during the 24-month follow-up period...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28243078/a-belgian-survey-on-the-diagnosis-of-asthma-copd-overlap-syndrome
#11
Didier Cataldo, Jean-Louis Corhay, Eric Derom, Renaud Louis, Eric Marchand, Alain Michils, Vincent Ninane, Rudi Peché, Charles Pilette, Walter Vincken, Wim Janssens
INTRODUCTION: Patients with chronic airway disease may present features of both asthma and COPD, commonly referred to as asthma-COPD overlap syndrome (ACOS). Recommendations on their diagnosis are diffuse and inconsistent. This survey aimed to identify consensus on criteria for diagnosing ACOS. METHODS: A Belgian expert panel developed a survey on ACOS diagnosis, which was completed by 87 pulmonologists. Answers chosen by ≥70% of survey respondents were considered as useful criteria for ACOS diagnosis...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28223791/impact-of-exacerbations-on-respiratory-system-impedance-measured-by-a-forced-oscillation-technique-in-copd-a-prospective-observational-study
#12
Takahiro Kamada, Masahiro Kaneko, Hiromi Tomioka
BACKGROUND: Forced oscillation technique (FOT) has been reported to be useful in the evaluation and management of obstructive lung disease, including COPD. To date, no data are available concerning long-term changes in respiratory system impedance measured by FOT. Additionally, although exacerbations have been reported to be associated with excessive lung function decline in COPD, the impact of exacerbations on the results of FOT has not been demonstrated. The aim of this study was to investigate the longitudinal changes in respiratory system impedance and the influence of exacerbations thereon...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28178340/sputum-biomarkers-in-ipf-evidence-for-raised-gene-expression-and-protein-level-of-igfbp-2-il-8-and-mmp-7
#13
J Guiot, M Henket, J L Corhay, C Moermans, R Louis
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a rare lung disease of unknown origin leading rapidly to death. This paper addresses the issue of whether sputum induction is a suitable tool to study respiratory tract inflammation and potential biomarkers in IPF compared to COPD, a fibrosing airway wall disease. METHODS: In a cross-sectional analysis, 15 IPF patients, 32 COPD and 30 healthy subjects underwent sputum induction. Total sputum cell counts and the amount of TGF- β, IGF-1, IGF-2, IGFBP-1, IGFBP-2, IGFBP-3, IL-8, IL-13, MMP-7, MMP-9, YKL-40, TNF-α and KL-6 in sputum supernatant were analysed...
2017: PloS One
https://www.readbyqxmd.com/read/28176939/factors-associated-with-plasma-il-33-levels-in-patients-with-chronic-obstructive-pulmonary-disease
#14
Sei Won Kim, Chin Kook Rhee, Ki Uk Kim, Sang Haak Lee, Hun Gyu Hwang, Yu Il Kim, Deog Kyeom Kim, Sang Do Lee, Yeon-Mok Oh, Hyoung Kyu Yoon
BACKGROUND: Interleukin (IL)-33 promotes T helper (Th)2 immunity and systemic inflammation. The role of IL-33 in asthma has been widely investigated. IL-33 has also been suggested to play an important role in the pathogenesis of chronic obstructive pulmonary disease (COPD). This study investigated the clinical significance and usefulness of plasma IL-33 level in patients with COPD. METHODS: A total of 307 patients with stable COPD from 15 centers, who were in the Korean Obstructive Lung Disease cohort, were enrolled in this study...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28165763/stability-of-blood-eosinophils-in-copd-and-controls-and-the-impact-of-gender-age-smoking-and-baseline-counts
#15
Olorunfemi A Oshagbemi, Andrea M Burden, Dionne C W Braeken, Yvonne Henskens, Emiel F M Wouters, Johanna H M Driessen, Anke H Maitland-van der Zee, Frank de Vries, Frits M E Franssen
No abstract text is available yet for this article.
February 6, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28161533/prevalence-determinants-and-clinical-correlates-of-vitamin-d-deficiency-in-patients-with-chronic-obstructive-pulmonary-disease-in-london-uk
#16
David A Jolliffe, Wai Yee James, Richard L Hooper, Neil C Barnes, Claire L Greiller, Kamrul Islam, Angshu Bhowmik, Peter M Timms, Raj K Rajakulasingam, Aklak B Choudhury, David E Simcock, Elina Hyppönen, Robert T Walton, Christopher J Corrigan, Christopher J Griffiths, Adrian R Martineau
Vitamin D deficiency is common in patients with chronic obstructive pulmonary disease (COPD), yet a comprehensive analysis of environmental and genetic determinants of serum 25-hydroxyvitamin D (25[OH]D) concentration in patients with this condition is lacking. We conducted a multi-centre cross-sectional study in 278 COPD patients aged 41-92 years in London, UK. Details of potential environmental determinants of vitamin D status and COPD symptom control and severity were collected by questionnaire, and blood samples were taken for analysis of serum 25(OH)D concentration and DNA extraction...
February 1, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28145647/relationship-between-fractional-exhaled-nitric-oxide-level-and-efficacy-of-inhaled-corticosteroid-in-asthma-copd-overlap-syndrome-patients-with-different-disease-severity
#17
Jia Xi Feng, Yun Lin, Jian Lin, Su Su He, Mei Fang Chen, Xiao Mai Wu, You Zu Xu
This study explored the relationship between the fractional exhaled nitric oxide (FeNO) level and the efficacy of inhaled corticosteroid (ICS) in asthma-chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) patients with different disease severity. A total of 127 ACOS patients with ACOS (case group) and 131 healthy people (control group) were enrolled in this study. Based on the severity of COPD, the ACOS patients were divided into: mild ACOS; moderate ACOS; severe ACOS; and extremely severe ACOS groups...
March 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28138231/erratum-comparison-of-the-clinical-characteristics-and-treatment-outcomes-of-patients-requiring-hospital-admission-to-treat-eosinophilic-and-neutrophilic-exacerbations-of-copd-corrigendum
#18
(no author information available yet)
[This corrects the article on p. 2467 in vol. 11, PMID: 27757029.].
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28103932/biomarkers-of-extracellular-matrix-turnover-are-associated-with-emphysema-and-eosinophilic-bronchitis-in-copd
#19
Asger Reinstrup Bihlet, Morten Asser Karsdal, Jannie Marie Bülow Sand, Diana Julie Leeming, Mustimbo Roberts, Wendy White, Russell Bowler
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is characterized by airflow obstruction and loss of lung tissue mainly consisting of extracellular matrix (ECM). Three of the main ECM components are type I collagen, the main constituent in the interstitial matrix, type VI collagen, and elastin, the signature protein of the lungs. During pathological remodeling driven by inflammatory cells and proteases, fragments of these proteins are released into the bloodstream, where they may serve as biomarkers for disease phenotypes...
January 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28024128/-pathogenesis-diagnosis-and-treatment-of-chronic-obstructive-pulmonary-disease-in-the-light-of-new-research
#20
REVIEW
Tadeusz Płusa
Accurate number of patients with chronic obtructive pulmonary disease (COPD) is difficult to determine, both in Poland and in the world. Quoted estimates and fragmented with the research indicate that approx. 10% of the world's population may be burdened by this disease. As it turns out, COPD is recognized in 25-45% in non-smokers, suggesting a genetic link. This is confirmed by new data that indicates that further embodiments having genetic polymorphisms associated with the occurrence of the disease. It was further found that the allele GC-1F vitamin D were risk factor for development of COPD...
December 22, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
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