keyword
MENU ▼
Read by QxMD icon Read
search

Copd phenotype

keyword
https://www.readbyqxmd.com/read/29771274/identification-of-chronic-obstructive-pulmonary-disease-axes-that-predict-all-cause-mortality-the-copdgene-study
#1
Gregory L Kinney, Stephanie A Santorico, Kendra A Young, Michael H Cho, Peter J Castaldi, Raul San José Estépar, James C Ross, Jennifer G Dy, Barry J Make, Elizabeth A Regan, David A Lynch, Douglas C Everett, Sharon M Lutz, Edwin K Silverman, George R Washko, James D Crapo, John E Hokanson
Chronic Obstructive Pulmonary Disease (COPD) is a syndrome caused by damage to the lungs resulting in decreased pulmonary function and reduced structural integrity. Pulmonary function testing (PFT) is currently used to diagnose and stratify COPD into severity groups and chest computed tomography (CT) imaging is often used to assess structural changes in the lungs. We hypothesized that the combination of PFT and CT phenotypes would provide a more powerful tool for assessing underlying morphologic differences associated with pulmonary function in COPD than PFT alone...
May 16, 2018: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29770573/looking-into-the-eye-of-patients-with-chronic-obstructive-pulmonary-disease-an-opportunity-for-better-microvascular-profiling-of-these-complex-patients
#2
REVIEW
Anouk W Vaes, Martijn A Spruit, Jan Theunis, Nandu Goswami, Lowie E Vanfleteren, Frits M E Franssen, Emiel F M Wouters, Patrick De Boever
Chronic obstructive pulmonary disease (COPD) is a complex disease with many patients suffering from cardiovascular comorbidity. However, cardiovascular diseases remain often undiagnosed in COPD. Assessment of the retinal microvasculature can provide value in cardiovascular profiling of these patients. Retinal microvascular assessment carried out via a noninvasive eye exam represents an easy to use tool when examining patients with COPD. The purpose of this review was to provide an overview of studies assessing structural and functional changes in the retinal microvasculature of patients with COPD...
May 16, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29757677/microrna-dysregulation-in-pulmonary-arteries-from-copd-relationships-with-vascular-remodeling
#3
Melina M Musri, Núria Coll-Bonfill, Bradley A Maron, Víctor I Peinado, Ruisheng Wang, Jordi Altirriba, Isabel Blanco, William M Oldham, Olga Tura-Ceide, Jessica García-Lucio, Benjamin de la Cruz-Thea, Gunter Meister, Joseph Loscalzo, Joan A Barberà
BACKGROUND: Pulmonary vascular remodeling is an angiogenic-related process involving changes in smooth muscle cell (SMC) homeostasis, which is frequently observed in chronic obstructive pulmonary disease (COPD). MicroRNAs (miRNAs) are small non-coding RNAs that regulate mRNA expression levels of many genes leading to the manifestation of cell identity and specific cellular phenotypes. Here we evaluate the miRNA expression profiles of pulmonary arteries (PA) of patients with COPD and its relationship with the regulation of SMC phenotypic change...
May 14, 2018: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/29755730/having-concomitant-asthma-phenotypes-is-common-and-independently-relates-to-poor-lung-function-in-nhanes-2007-2012
#4
Rita Amaral, João A Fonseca, Tiago Jacinto, Ana M Pereira, Andrei Malinovschi, Christer Janson, Kjell Alving
Background: Evidence for distinct asthma phenotypes and their overlap is becoming increasingly relevant to identify personalized and targeted therapeutic strategies. In this study, we aimed to describe the overlap of five commonly reported asthma phenotypes in US adults with current asthma and assess its association with asthma outcomes. Methods: Data from the National Health and Nutrition Examination Surveys (NHANES) 2007-2012 were used (n = 30,442). Adults with current asthma were selected...
2018: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/29752708/coexistence-of-chronic-bronchitis-in-chronic-obstructive-lung-disease
#5
Filip Mejza, Paweł Nastałek, Agnieszka Mastalerz-Migas, Zbigniew Doniec, Wojciech Skucha
The incidence of chronic obstructive pulmonary disease (COPD) is on the rise worldwide. Chronic bronchitis is a frequent accompaniment of COPD, which increases the burden of COPD in affected individuals. The aim of this study was to characterize the phenotype of chronic bronchitis in COPD patients. The study was based on the survey data retrospectively retrieved from the Action Health-Lung Cancer Prophylaxis and Health Care Improvement screening program that concerned all the inhabitants, aged over 40, of the Proszowice administrative region situated in the Lesser Poland Voivodeship in southern Poland...
May 12, 2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29750581/cftr-dysfunction-in-cystic-fibrosis-and-chronic-obstructive-pulmonary-disease
#6
Elena Fernandez Fernandez, Chiara de Santi, Virginia De Rose, Catherine M Greene
Obstructive lung diseases such as cystic fibrosis (CF) and chronic obstructive pulmonary disease (COPD) are causes of high morbidity and mortality worldwide. CF is a multiorgan genetic disease caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene and is characterized by progressive chronic obstructive lung disease. Most cases of COPD are a result of noxious particles, mainly cigarette smoke but also other environmental pollutants. Areas covered: Although the pathogenesis and pathophysiology of CF and COPD differ, they do share key phenotypic features and because of these similarities there is great interest in exploring common mechanisms and/or factors affected by CFTR mutations and environmental insults involved in COPD...
May 11, 2018: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/29750030/validation-of-exhaled-volatile-organic-compounds-analysis-using-electronic-nose-as-index-of-copd-severity
#7
Panaiotis Finamore, Claudio Pedone, Simone Scarlata, Alessandra Di Paolo, Simone Grasso, Marco Santonico, Giorgio Pennazza, Raffaele Antonelli Incalzi
Aim: Six-minute walking test distance (6MWD) and body mass index, obstruction, dyspnea and exercise (BODE) index are measures of functional status in COPD patients, but require space, time and patient's compliance. Exhaled volatile organic compounds (VOCs) analysis via electronic nose is a quick and easy method that has already been used to discriminate COPD phenotypes. The aim of this study is to evaluate whether VOCs analysis can predict functional status and its variation over time in COPD patients...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29750029/mortality-in-copd-patients-according-to-clinical-phenotypes
#8
Rafael Golpe, María Suárez-Valor, Irene Martín-Robles, Pilar Sanjuán-López, Esteban Cano-Jiménez, Olalla Castro-Añón, Luis A Pérez de Llano
Purpose: Grouping COPD subjects into clinical phenotypes might be useful for the management of the disease, but the clinical implications of such classification are still not totally clear, especially regarding prognosis. The primary objective of this study was to assess whether the mortality rates were different between four predefined clinical phenotypes. Patients and methods: This is a retrospective, observational study carried out at the COPD clinic of a University Hospital...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29746142/pulmonary-vascular-involvement-in-copd-is-there-a-pulmonary-vascular-phenotype
#9
Gabor Kovacs, Alvar Agusti, Joan Albert Barberà, Bartolome Celli, Gerard Criner, Marc Humbert, Don D Sin, Norbert Voelkel, Horst Olschewski
Although often clinically unrecognized, the pulmonary circulation is frequently affected in patients with chronic obstructive pulmonary disease (COPD), and the presence of pulmonary vascular disease is associated with poor prognosis and frequent exacerbations. In most cases the presenting pulmonary hypertension (PH) is relatively mild, but in a subset of COPD patients, the presence of certain clinical features supports the existence of a "pulmonary vascular phenotype". Such a phenotype would be characterized by severe pre-capillary PH with strongly elevated pulmonary vascular resistance, moderate airflow limitation, severely decreased diffusion capacity for carbon monoxide, normo- or hypocapnia, circulatory exercise limitation and progressive right heart failure...
May 10, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29742906/relationship-of-spirometric-body-plethysmographic-and-diffusing-capacity-parameters-to-emphysema-scores-derived-from-ct-scans
#10
Kathrin Kahnert, Bertram Jobst, Frank Biertz, Jürgen Biederer, Henrik Watz, Rudolf M Huber, Jürgen Behr, Philippe A Grenier, Peter Alter, Claus F Vogelmeier, Hans-Ulrich Kauczor, Rudolf A Jörres
Phenotyping of chronic obstructive pulmonary disease (COPD) with computed tomography (CT) is used to distinguish between emphysema- and airway-dominated type. The phenotype is reflected in correlations with lung function measures. Among these, the relative value of body plethysmography has not been quantified. We addressed this question using CT scans retrospectively collected from clinical routine in a large COPD cohort. Three hundred and thirty five patients with baseline data of the German COPD cohort COPD and Systemic Consequences-Comorbidities Network were included...
January 1, 2018: Chronic Respiratory Disease
https://www.readbyqxmd.com/read/29731034/time-to-understand-the-infrequency-of-the-frequent-exacerbator-phenotype-in-copd
#11
EDITORIAL
Wassim W Labaki, Fernando J Martinez
No abstract text is available yet for this article.
May 2018: Chest
https://www.readbyqxmd.com/read/29725304/coupled-immunological-and-biomechanical-model-of-emphysema-progression
#12
Mario Ceresa, Andy L Olivares, Jérôme Noailly, Miguel A González Ballester
Chronic Obstructive Pulmonary Disease (COPD) is a disabling respiratory pathology, with a high prevalence and a significant economic and social cost. It is characterized by different clinical phenotypes with different risk profiles. Detecting the correct phenotype, especially for the emphysema subtype, and predicting the risk of major exacerbations are key elements in order to deliver more effective treatments. However, emphysema onset and progression are influenced by a complex interaction between the immune system and the mechanical properties of biological tissue...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29724389/blood-eosinophil-levels-as-a-biomarker-in-copd
#13
REVIEW
Guy Brusselle, Ian D Pavord, Sarah Landis, Steven Pascoe, Sally Lettis, Nikhil Morjaria, Neil Barnes, Emma Hilton
Chronic obstructive pulmonary disease (COPD) is a heterogeneous disorder and patients respond differently to treatment. Blood eosinophils are a potential biomarker to stratify patient subsets for COPD therapy. We reviewed the value of blood eosinophils in predicting exacerbation risk and response to corticosteroid treatment in the available literature (PubMed articles in English; keywords: "COPD" and "eosinophil"; published prior to May 2017). Overall, clinical data suggest that in patients with a history of COPD exacerbations, a higher blood eosinophil count predicts an increased risk of future exacerbations and is associated with improved response to treatment with inhaled corticosteroids (in combination with long-acting bronchodilator[s])...
May 2018: Respiratory Medicine
https://www.readbyqxmd.com/read/29709672/of-pleiotropy-and-trajectories-does-the-tgfb-pathway-link-childhood-asthma-and-copd
#14
Avery DeVries, Donata Vercelli
The study of developmental trajectories is where epigenetics truly shines. The "epi" in epi-genetics captures the fact that although epigenetic processes also preside over the maintenance and termination of gene expression, the unfolding and remodeling of chromatin architecture are especially critical to prepare genes for regulated transcription. These properties imply being on a path, a trajectory to events that will occur later on thanks to epigenetic programming. Thus, epigenetics is about timed and timely events...
April 27, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29705779/when-two-drugs-are-better-than-three-re-modulating-the-therapeutic-plan-of-a-chronic-obstructive-pulmonary-disease-patient
#15
Antonella Ielpo, Ernesto Crisafulli
We present the case of a 77-year-old man diagnosed with chronic obstructive pulmonary disease (COPD) stage D with emphysema phenotype and treated with triple therapy (salmeterol, fluticasone propionate, and tiotropium) for 1 year without relevant improvements in exertional dyspnea and disease impact. After switching to combination therapy with a long-acting β2-agonist (LABA) and a long-acting muscarinic antagonist (LAMA) (indacaterol/glycopyrronium), we observed, in a 3-month period, a substantial reduction of the modified Medical Research Council (mMRC) dyspnea scale and COPD Assessment Test (CAT) scores...
2018: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/29697360/wisard-workbench-for-integrated-superfast-association-studies-for-related-datasets
#16
Sungyoung Lee, Sungkyoung Choi, Dandi Qiao, Michael Cho, Edwin K Silverman, Taesung Park, Sungho Won
BACKGROUND: A Mendelian transmission produces phenotypic and genetic relatedness between family members, giving family-based analytical methods an important role in genetic epidemiological studies-from heritability estimations to genetic association analyses. With the advance in genotyping technologies, whole-genome sequence data can be utilized for genetic epidemiological studies, and family-based samples may become more useful for detecting de novo mutations. However, genetic analyses employing family-based samples usually suffer from the complexity of the computational/statistical algorithms, and certain types of family designs, such as incorporating data from extended families, have rarely been used...
April 20, 2018: BMC Medical Genomics
https://www.readbyqxmd.com/read/29695900/the-link-between-chronic-obstructive-pulmonary-disease-phenotypes-and-histological-subtypes-of-lung-cancer-a-case-control-study
#17
Wei Wang, Mengshuang Xie, Shuang Dou, Liwei Cui, Chunyan Zheng, Wei Xiao
Background: COPD is considered an independent risk factor for lung cancer. COPD and lung cancer are both very heterogeneous diseases, and the study herein investigates the link between COPD phenotypes and specific histological subtypes of lung cancer. Methods: This case-control study comprised 2,283 patients with newly diagnosed pathological lung cancer and 2,323 non-lung cancer controls. All participants underwent pulmonary function tests. The diagnosis of COPD was based on Global Initiative for Chronic Obstructive Lung Disease criteria...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29692606/geographic-variations-of-the-prevalence-and-distribution-of-copd-phenotypes-in-spain-the-espiral-es-study
#18
Bernardino Alcázar-Navarrete, Juan Antonio Trigueros, Juan Antonio Riesco, Anna Campuzano, Joselín Pérez
Purpose: The purpose of this study was to assess the prevalence of COPD phenotypes at a national level and to determine their geographic distribution among different autonomous communities in Spain. Patients and methods: A total of 1,610 patients (82% men, median age 67 years) recruited in primary care centers and pneumology services participated in an observational, cross-sectional, and multicenter study. Phenotypes evaluated were the non-exacerbator phenotype, the asthma-COPD overlap syndrome (ACOS), the exacerbator phenotype with emphysema, and the exacerbator phenotype with chronic bronchitis...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29686742/time-to-exhale-additional-value-of-expiratory-chest-ct-in-chronic-obstructive-pulmonary-disease
#19
Joshua Gawlitza, Frederik Trinkmann, Hans Scheffel, Andreas Fischer, John W Nance, Claudia Henzler, Nils Vogler, Joachim Saur, Ibrahim Akin, Martin Borggrefe, Stefan O Schoenberg, Thomas Henzler
Objectives: Diagnostic guidelines for chronic obstructive pulmonary disease (COPD) are based on spirometry and clinical criteria. However, this does not address the pathophysiological complexity of the disease sufficiently. Until now, inspiratory chest computed tomography (CT) has been considered as the preferred imaging method in these patients. We hypothesized that expiratory CT may be superior to demonstrate pathophysiological changes. The aim of this prospective study was to systematically compare lung function tests with quantified CT parameters in inspiration and expiration...
2018: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/29683758/asthma-copd-overlap-phenotypes-and-smoking-comparative-features-of-asthma-in-smoking-or-non-smoking-patients-with-an-incomplete-reversibility-of-airway-obstruction
#20
Louis-Philippe Boulet, Marie-Ève Boulay, Jude-Lyne Dérival, Joanne Milot, Johane Lepage, Lara Bilodeau, François Maltais
The development of COPD features, such as an incomplete reversibility of airway obstruction (IRAO), in smoking or non-smoking asthmatic patients, a condition often named Asthma-COPD Overlap (ACO), has been recognized for decades. However, there is a need to know more about the sub-phenotypes of this condition according to smoking. This study aimed at comparing the clinical, physiological and inflammatory features of smoking and non-smoking asthmatic patients exhibiting IRAO. In this cross-sectional study, patients with an IRAO with (ACO, ≥20 pack-years) or without (NS-IRAO, <5 pack-years) significant smoking history completed questionnaires about asthma control (ACQ, score 0-6, 6 = better score) and quality of life (AQLQ, score 1-7, 1 = better score) and performed expiratory flows, lung volume and carbon monoxide diffusion capacity measurements...
April 23, 2018: COPD
keyword
keyword
56242
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"