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https://www.readbyqxmd.com/read/28648016/-mechanisms-of-cytoskeleton-and-pi3k%C3%AE-rhoa-in-fine-particulate-matter-deteriorating-phagocytosis-defect-of-alveolar-macrophage-in-mice-with-chronic-obstructive-pulmonary-disease
#1
Q Xia, S T Hu, X L Zeng, H R Bao, X J Liu
Objective: To explore the mechanism of cytoskeleton and PI3Kδ-RhoA in fine particulate matter deteriorating phagocytosis defect of alveolar macrophage (AM) in chronic obstructive pulmonary disease (COPD) mice. Methods: Forty mice were randomly divided into four groups: health control group, COPD group, health PM2.5 group, COPD PM2.5 group and with ten in each group. A mouse model of COPD was established by cigarette smoke exposure, and health PM2.5 group and COPD PM2.5 group mice were given PM2.5 (588 μg/m(3)) aerosol inhalation for 90 days...
June 27, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28647926/importance-of-gold-guidelines-for-chronic-obstructive-pulmonary-disease
#2
J Sadlonova, D Osinova, E Rozborilova, O Osina, E Novakova, V Sadlonova
In December 2011, a major revision of GOLD 2011 guidelines was published based on the evidence-based medicine. The goal of GOLD 2011 is to determine the severity of the disease, its impact on the patient's health, and the risk of future events; all of which eventually guide therapy. A combined COPD assessment according to GOLD 2011 considers the patient's level of symptoms, spirometry abnormalities, risk of exacerbation, and the presence of comorbidities. GOLD 2011 stratifies patients into four basic groups labeled A, B, C, and D...
June 25, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28646836/biochemical-parameters-as-monitoring-markers-of-the-inflammatory-reaction-by-patients-with-chronic-obstructive-pulmonary-disease-copd
#3
Petra Lenártová, Jana Kopčeková, Martina Gažarová, Jana Mrázová, Joanna Wyka
Background: Chronic obstructive pulmonary disease (COPD) is an airway inflammatory disease caused by inhalation of toxic particles, mainly cigarette smoking, and now is accepted as a disease associated with systemic characteristics. Objective: The aim of this work was to investigate and compare selected biochemical parameters in patients with and without COPD. Material and Methods: Observation group consisted of clinically stable patients with COPD (n = 60)...
2017: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/28646553/epithelial-mesenchymal-transition-emt-a-spectrum-of-states-role-in-lung-development-homeostasis-and-disease
#4
REVIEW
Mohit Kumar Jolly, Chris Ward, Mathew Suji Eapen, Stephen Myers, Oskar Hallgren, Herbert Levine, Sukhwinder Singh Sohal
Epithelial Mesenchymal Transition (EMT) plays key roles during lung development and many lung diseases such as Chronic Obstructive Pulmonary Disease (COPD), lung cancer and pulmonary fibrosis. Here, integrating morphological observations with underlying molecular mechanisms, we highlight the functional role of EMT in lung development and injury repair, and discuss how it can contribute to pathogenesis of chronic lung disease. We discuss the evidence of manifestation of EMT and its potential driving role in COPD, idiopathic pulmonary fibrosis (IPF), bronchiolitis obliterans syndrome (BOS), and lung cancer, while noting that all cells need not display a full EMT in any of these contexts, i...
June 24, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28646374/item-usage-in-a-multidimensional-computerized-adaptive-test-mcat-measuring-health-related-quality-of-life
#5
Muirne C S Paap, Karel A Kroeze, Caroline B Terwee, Job van der Palen, Bernard P Veldkamp
PURPOSE: Examining item usage is an important step in evaluating the performance of a computerized adaptive test (CAT). We study item usage for a newly developed multidimensional CAT which draws items from three PROMIS domains, as well as a disease-specific one. METHODS: The multidimensional item bank used in the current study contained 194 items from four domains: the PROMIS domains fatigue, physical function, and ability to participate in social roles and activities, and a disease-specific domain (the COPD-SIB)...
June 23, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28646217/why-do-physicians-lack-engagement-with-smoking-cessation-treatment-in-their-copd-patients-a-multinational-qualitative-study
#6
Eva Anne Marije van Eerd, Mette Bech Risør, Mark Spigt, Maciek Godycki-Cwirko, Elena Andreeva, Nick Francis, Anja Wollny, Hasse Melbye, Onno van Schayck, Daniel Kotz
Smoking cessation is the only effective intervention to slow down the accelerated decline in lung function in smokers with chronic obstructive pulmonary disease. Nevertheless, physicians often do not routinely provide evidence-based smoking cessation treatment to their patients. To understand underlying reasons, we explored how physicians engage in smoking cessation treatment in their chronic obstructive pulmonary disease patients. In total, 21 focus group discussions were held with general practitioners and pulmonologists in seven different countries in Europe and Asia...
June 23, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28646122/nintedanib-a-triple-tyrosine-kinase-inhibitor-attenuates-renal-fibrosis-in-chronic-kidney-disease
#7
Feng Liu, Li Wang, Hualin Qi, Jun Wang, Wei Jiang, Yi Wang, Liuqing Xu, Na Liu, Shougang Zhuang
<span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;">Nintedanib (BIBF1120) is a triple kinase inhibitor</span><span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;"> of </span><span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;">platelet derived growth factor receptor (PDGFR), fibroblast growth factor receptors (FGFR)</span><span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;">, </span><span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;">vascular endothelial growth factor receptor (VEGFR)</span><span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;"> and Src family kinase, </span><span style="margin: 0px; color: black; line-height: 200%; font-family: 'Times New Roman',serif; font-size: 12pt;">that has recently been approved by FDA to treat idiopathic pulmonary fibrosis...
June 23, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28645971/association-between-chronic-obstructive-pulmonary-disease-and-increased-risk-of-benign-prostatic-hyperplasia-a-retrospective-nationwide-cohort-study
#8
Yi-Hao Peng, Chien-Wen Huang, Wei-Chih Liao, Hsuan-Ju Chen, Ming-Chien Yin, Yu-Ming Huang, Trong-Neng Wu, Wen-Chao Ho
OBJECTIVE: Chronic obstructive pulmonary disease (COPD) and benign prostatic hyperplasia (BPH) are common disorders in ageing male populations. Nevertheless, the relationship between the two diseases has rarely been explored. The objective of this study was to examine whether patients with COPD are at an increased risk of BPH. DESIGN: Retrospective nationwide cohort study. SETTING: Data retrieved from the Taiwan National Health Insurance Research Database...
June 23, 2017: BMJ Open
https://www.readbyqxmd.com/read/28645694/-comparative-analysis-effectiveness-of-nicotine-addiction-treatment-in-people-with-psychiatric-comorbidity
#9
R Godoy, F J Callejas, J Cruz, A I Tornero, P J Tárraga, J A Rodríguez-Montes
OBJECTIVE: To determine whether or not nicotine addiction treatment was less effective in psychiatric than in the healthy population. MATERIAL AND METHODS: A retrospective, descriptive and comparative cohort study was conducted in Albacete University Hospital during years 2008-2012 on all patients that attended the Tobacco Cessation Unit. The statistical tests used were Chi-squared, likelihood ratio, and the Student t test. Statistical significance P≤.05. RESULTS: The study included a total of 1,484 patients, of which 48...
June 20, 2017: Semergen
https://www.readbyqxmd.com/read/28645458/pulmonary-3-he-magnetic-resonance-imaging-biomarkers-of-regional-airspace-enlargement-in-alpha-1-antitrypsin-deficiency
#10
Eric Lessard, Heather M Young, Anurag Bhalla, Damien Pike, Khadija Sheikh, David G McCormack, Alexei Ouriadov, Grace Parraga
RATIONALE AND OBJECTIVES: Thoracic x-ray computed tomography (CT) and hyperpolarized (3)He magnetic resonance imaging (MRI) provide quantitative measurements of airspace enlargement in patients with emphysema. For patients with panlobular emphysema due to alpha-1 antitrypsin deficiency (AATD), sensitive biomarkers of disease progression and response to therapy have been difficult to develop and exploit, especially those biomarkers that correlate with outcomes like quality of life. Here, our objective was to generate and compare CT and diffusion-weighted inhaled-gas MRI measurements of emphysema including apparent diffusion coefficient (ADC) and MRI-derived mean linear intercept (Lm) in patients with AATD, chronic obstructive pulmonary disease (COPD) ex-smokers, and elderly never-smokers...
June 20, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28645284/healthcare-expenditure-on-indigenous-and-non-indigenous-australians-at-high-risk-of-cardiovascular-disease
#11
Blake Angell, Tracey-Lea Laba, Tom Lung, Alex Brown, Sandra Eades, Tim Usherwood, David Peiris, Laurent Billot, Graham Hillis, Ruth Webster, Andrew Tonkin, Christopher Reid, Barbara Molanus, Natasha Rafter, Alan Cass, Anushka Patel, Stephen Jan
BACKGROUND: In spite of bearing a heavier burden of death, disease and disability, there is mixed evidence as to whether Indigenous Australians utilise more or less healthcare services than other Australians given their elevated risk level. This study analyses the Medicare expenditure and its predictors in a cohort of Indigenous and non-Indigenous Australians at high risk of cardiovascular disease. METHODS: The healthcare expenditure of participants of the Kanyini Guidelines Adherence with the Polypill (GAP) pragmatic randomised controlled trial was modelled using linear regression methods...
June 23, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28645052/cardiorespiratory-responses-of-air-filtration-a-randomized-crossover-intervention-trial-in-seniors-living-in-beijing-beijing-indoor-air-purifier-study-biapsy
#12
Danqing Shao, Yipeng Du, Shuo Liu, Bert Brunekreef, Kees Meliefste, Qian Zhao, Jie Chen, Xiaoming Song, Meng Wang, Juan Wang, Hongbing Xu, Rongshan Wu, Tong Wang, Baihuan Feng, Candice Shih-Chun Lung, Xian Wang, Bei He, Wei Huang
In this Beijing Indoor Air Purifier StudY (BIAPSY), we conducted a randomized crossover intervention trial in a panel of 35 non-smoking senior participants with free-living, with and without chronic obstructive pulmonary disease (COPD). Portable air filtration units were randomly allocated to active-(filter in) for 2weeks and sham-mode (filter out) for 2weeks in the households. We examined the differences in indoor air pollutant concentrations in 20 study homes and a suite of cardio-respiratory biomarker levels in study participants between filtration modes, with and without adjustment for potential confounders...
June 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28644419/context-relevant-prediction-model-for-copd-domain-using-bayesian-belief-network
#13
Hamid Mcheick, Lokman Saleh, Hicham Ajami, Hafedh Mili
In the last three decades, researchers have examined extensively how context-aware systems can assist people, specifically those suffering from incurable diseases, to help them cope with their medical illness. Over the years, a huge number of studies on Chronic Obstructive Pulmonary Disease (COPD) have been published. However, how to derive relevant attributes and early detection of COPD exacerbations remains a challenge. In this research work, we will use an efficient algorithm to select relevant attributes where there is no proper approach in this domain...
June 23, 2017: Sensors
https://www.readbyqxmd.com/read/28644389/chronic-respiratory-infection-in-patients-with-chronic-obstructive-pulmonary-disease-what-is-the-role-of-antibiotics
#14
REVIEW
Marc Miravitlles, Antonio Anzueto
Chronic infections are associated with exacerbation in patients with chronic obstructive pulmonary disease (COPD). The major objective of the management of these patients is the prevention and effective treatment of exacerbations. Patients that have increased sputum production, associated with purulence and worsening shortness of breath, are the ones that will benefit from antibiotic therapy. It is important to give the appropriate antibiotic therapy to prevent treatment failure, relapse, and the emergence of resistant pathogens...
June 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28644301/palliative-oxygen-for-chronic-breathlessness-what-new-evidence
#15
Zainab Ahmadi, David C Currow, Magnus Ekström
PURPOSE OF REVIEW: Supplemental oxygen improves survival in patients with chronic obstructive pulmonary disease (COPD) and severe hypoxaemia, but the effect of oxygen therapy in mild or moderate hypoxaemia to reduce symptomatic chronic breathlessness remains unclear. This review provides an overview of recent evidence about the role of oxygen therapy for the relief of chronic breathlessness in advanced illness. RECENT FINDINGS: In COPD, a recent Cochrane review strengthens earlier findings regarding the positive effect of supplemental oxygen compared with air during exercise test in the training setting...
July 20, 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28644243/role-of-breathing-conditions-during-exercise-testing-on-training-prescription-in-chronic-obstructive-pulmonary-disease
#16
Daniel Neunhäuserer, Eva Steidle-Kloc, Marco Bergamin, Gertraud Weiss, Andrea Ermolao, Bernd Lamprecht, Michael Studnicka, Josef Niebauer
This study investigated whether different breathing conditions during exercise testing will influence measures of exercise capacity commonly used for training prescription in chronic obstructive pulmonary disease. Twenty-seven patients with chronic obstructive pulmonary disease (forced expiratory volume in 1 sec = 45.6 [9.4]%) performed three maximal exercise tests within 8 days, but at least 48 hrs apart. Subjects were thereby breathing either room air through a tightly fitting face mask like during any cardiopulmonary exercise test (MASK), room air without mask (No-MASK), or 10 l/min of oxygen via nasal cannula (No-MASK + O2)...
June 21, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28642793/repair-of-thoracoabdominal-aortic-aneurysm-with-thrombosed-infrarenal-component-a-modified-hybrid-technique-without-aortic-cross-clamping
#17
Hussam Abou-Al-Shaar, Khaled J Zaza, Muhammad Anees Sharif, Samer Koussayer
The authors report the successful repair of a Crawford type III thoracoabdominal aortic aneurysm (TAAA) with a thrombosed infrarenal component using a modified hybrid technique without aortic clamping in a high-risk patient. A 64-year-old male with a history of hypertension, diabetes, and severe chronic obstructive pulmonary disease presented with acute on chronic backache and bilateral short distance claudication. A computerized tomography scan demonstrated a large, nonleaking Crawford type III TAAA with thrombosed infrarenal component of the aneurysm...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28642310/metabolomics-analysis-identifies-sex-associated-metabotypes-of-oxidative-stress-and-the-autotaxin-lysopa-axis-in%C3%A2-copd
#18
Shama Naz, Johan Kolmert, Mingxing Yang, Stacey N Reinke, Muhammad Anas Kamleh, Stuart Snowden, Tina Heyder, Bettina Levänen, David J Erle, C Magnus Sköld, Åsa M Wheelock, Craig E Wheelock
Chronic obstructive pulmonary disease (COPD) is a heterogeneous disease and a leading cause of mortality and morbidity worldwide. The aim of this study was to investigate the sex dependency of circulating metabolic profiles in COPD.Serum from healthy never-smokers (healthy), smokers with normal lung function (smokers), and smokers with COPD (COPD; Global Initiative for Chronic Obstructive Lung Disease stages I-II/A-B) from the Karolinska COSMIC cohort (n=116) was analysed using our nontargeted liquid chromatography-high resolution mass spectrometry metabolomics platform...
June 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28642308/predicting-risk-of-undiagnosed-copd-development-and-validation-of-the-targetcopd-score
#19
Shamil Haroon, Peymane Adab, Richard D Riley, David Fitzmaurice, Rachel E Jordan
Chronic obstructive pulmonary disease (COPD) is greatly underdiagnosed worldwide and more efficient methods of case-finding are required. We developed and externally validated a risk score to identify undiagnosed COPD using primary care records.We conducted a retrospective cohort analysis of a pragmatic cluster randomised controlled case-finding trial in the West Midlands, UK. Participants aged 40-79 years with no prior diagnosis of COPD received a postal or opportunistic screening questionnaire. Those reporting chronic respiratory symptoms were assessed with spirometry...
June 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28642260/cigarette-smoke-disrupts-monolayer-integrity-by-altering-epithelial-cell-cell-adhesion-and-cortical-tension
#20
Kristine Nishida, Kieran A Brune, Nirupama Putcha, Pooja Mandke, Wanda K O'Neal, Danny Shade, Vasudha Srivastava, Menghen Wang, Hong Lam, Steven S An, M Bradley Drummond, Nadia N Hansel, Douglas N Robinson, Venkataramana K Sidhaye
Chronic obstructive pulmonary disease (COPD) is a major cause of morbidity and mortality. Cigarette smoke (CS) drives disease development and progression. The epithelial barrier is damaged by CS with increased monolayer permeability. However, the molecular changes that cause this barrier disruption and the interaction between adhesion proteins and the cytoskeleton are not well defined. We hypothesized that CS alters monolayer integrity by increasing cell contractility and decreasing cell adhesion in epithelia...
June 22, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
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