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Bronchiectasis and COPD

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https://www.readbyqxmd.com/read/29750028/quantitative-computed-tomography-features-and-clinical-manifestations-associated-with-the-extent-of-bronchiectasis-in-patients-with-moderate-to-severe-copd
#1
So Hyeon Bak, Soohyun Kim, Yoonki Hong, Jeongwon Heo, Myoung-Nam Lim, Woo Jin Kim
Background: Few studies have investigated the quantitative computed tomography (CT) features associated with the severity of bronchiectasis in COPD patients. The purpose of this study was to identify the quantitative CT features and clinical values to determine the extent of bronchiectasis in moderate-to-severe COPD patients. Methods: A total of 127 moderate-to-severe COPD patients were selected from the cohort of COPD in Dusty Areas (CODA). The study subjects were classified into three groups according to the extent of bronchiectasis on CT: no bronchiectasis, mild bronchiectasis, and moderate-to-severe bronchiectasis...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29747278/-the-associations-between-comorbidity-and-exacerbation-risk-in-patients-with-chronic-obstructive-pulmonary-disease
#2
Y L Huang, B Mao, J Mim, G H Li, Y Q Zheng, L H Wu, S J Wang, B Qu, J J Fu
Objective: To study the association between comorbidity and acute exacerbation risk in patients with chronic obstructive pulmonary disease (COPD). Methods: This was a prospective cohort study with 64 stable COPD patients included. There were 64 males and 18 females with an average age of (68±9) years. Clinical characteristics, the number and type of comorbidities were recorded, and Charlson comorbidity index (CCI) was calculated. The patients were interviewed by phone calls every 3 months since baseline in which the number of acute exacerbations was recorded until 12 months...
May 12, 2018: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29746946/pneumonic-and-non-pneumonic-exacerbations-in-bronchiectasis-clinical-and-microbiological-differences
#3
Eva Polverino, Edmundo Rosales-Mayor, Mariana Benegas, Rosario Menendez, Victoria Alcaraz-Serrano, Emilio Ansotegui, Beatriz Montull, Rosa María Girón, Carolina Cisneros, Montserrat Vendrell, Gerard Muñoz, María Angeles Marcos, Marcelo Sanchez, Antoni Torres
OBJECTIVES: Despite the clinical relevance of exacerbations in bronchiectasis (BE), little is known about the microbiology and outcomes of pneumonic (CAP) vs. non-pneumonic (NOCAP) exacerbations. METHODS: This study compares clinical and microbiological characteristics of CAP vs. NOCAP in adults with BE. We performed a multicenter prospective observational study of consecutive cases of NOCAP and CAP from four Spanish hospitals (2011-2015). RESULTS: We recruited 144 patients, 47 of them CAP (33%) cases...
May 7, 2018: Journal of Infection
https://www.readbyqxmd.com/read/29724384/long-term-azithromycin-therapy-to-reduce-acute-exacerbations-in-patients-with-severe-chronic-obstructive-pulmonary-disease
#4
Nafiseh Naderi, Deborah Assayag, Seyed-Mohammad-Yousof Mostafavi-Pour-Manshadi, Zeina Kaddaha, Alexandre Joubert, Isabelle Ouellet, Isabelle Drouin, Pei Zhi Li, Jean Bourbeau
RATIONALE: According to clinical trials, azithromycin taken daily for 1 year, decreased exacerbations of chronic obstructive pulmonary disease (COPD). OBJECTIVES: Effectiveness evaluation of long-term azithromycin to reduce exacerbations in severe COPD patient on optimal therapy in real-life practice. METHODS: We conducted a retrospective observational study of severe COPD patients who were prescribed azithromycin (PA)(250 mg, at least 3 times weekly for at least 6 months)...
May 2018: Respiratory Medicine
https://www.readbyqxmd.com/read/29676014/autoinflammatory-disease-in-the-lung
#5
REVIEW
Thomas Scambler, Jonathan Holbrook, Sinisa Savic, Michael F McDermott, Daniel Peckham
Ascertaining the dominant cell type driving an immunological disease is essential to understanding the causal pathology and, therefore, selecting or developing an effective treatment. Classifying immunological diseases in this way has led to successful treatment regimens for many monogenic diseases; however, when the dominant cell type is unclear and there is no obvious causal genetic mutation, then identifying the correct disease classification and appropriate therapy can be challenging. In this review we focus on pulmonary immunological diseases where an innate immune signature has been identified as a predominant aspect of the immunopathology...
April 19, 2018: Immunology
https://www.readbyqxmd.com/read/29668450/comorbidities-of-copd-in-bulgarian-patients-prevalence-and-association-with-severity-and-inflammation
#6
Velin Stratev, Diana Petkova, Valentina Dimitrova, Jordan Petev
BACKGROUND: wis a disease with constantly rising economic and social burden; it is associated with multiple comorbidities which contribute to the disease severity. AIM: To investigate the prevalence of co-morbidities in COPD patients and their association with the disease severity and CRP levels. PATIENTS AND METHODS: We conducted a retrospective study among 338 COPD patients (mean age 65.2±7.6 years) with assessment of comorbidities, spirometry measurements and serum levels of CRP...
March 1, 2018: Folia Medica
https://www.readbyqxmd.com/read/29546046/research-highlights-from-the-2017-ers-international-congress-airway-diseases-in-focus
#7
REVIEW
Cecilia Andersson, Sara J Bonvini, Peter Horvath, Eduardo Marquez, Imran Satia, Paul Kirkham, Florence Schleich, Marco Idzko, Reinoud Gosens, Jose Luis Lopez-Campos, Apostolos Bossios, Omar Usmani, Antonio Spanevello, Ian M Adcock, Alexander G Mathioudakis
For another year, high-quality research studies from around the world transformed the annual ERS International Congress into a vivid platform to discuss trending research topics, to produce new research questions and to further push the boundaries of respiratory medicine and science. This article reviews only some of the high-quality research studies on asthma, chronic obstructive pulmonary disease (COPD), bronchiectasis and chronic cough that were presented during the congress through the Airway Diseases Assembly (ERS Assembly 5) and places them into the context of current knowledge and research challenges...
January 2018: ERJ Open Research
https://www.readbyqxmd.com/read/29540496/exacerbations-of-copd
#8
Christian Viniol, Claus F Vogelmeier
Chronic obstructive pulmonary disease (COPD) is the third leading cause of death worldwide. While COPD is a mainly chronic disease, a substantial number of patients suffer from exacerbations. Severe exacerbations are related to a significantly worse survival outcome. This review summarises the current knowledge on the different aspects of COPD exacerbations. The impact of risk factors and triggers such as smoking, severe airflow limitation, bronchiectasis, bacterial and viral infections and comorbidities is discussed...
March 31, 2018: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/29535516/relationship-between-the-presence-of-bronchiectasis-and-acute-exacerbation-in-thai-copd-patients
#9
Theerasuk Kawamatawong, Jitsupa Onnipa, Thitiporn Suwatanapongched
Background: The prevalence rate of bronchiectasis in COPD is variable. Coexisting bronchiectasis and COPD may influence COPD severity and exacerbation. Objective: We investigated whether bronchiectasis is associated with frequent or severe COPD exacerbation. Lower airway bacterial and mycobacterial infections are a possible mechanism for bronchiectasis. Materials and methods: A cross-sectional study was conducted in 2013-2014. COPD exacerbations and hospitalizations were reviewed...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29520135/co-existence-of-copd-and-bronchiectasis-a-risk-factor-for-a-high-ratio-of-main-pulmonary-artery-to-aorta-diameter-pa-a-from-computed-tomography-in-copd-patients
#10
Shuang Dou, Chunyan Zheng, Xiuli Ji, Wei Wang, Mengshuang Xie, Liwei Cui, Wei Xiao
Background: Pulmonary vascular disease, especially pulmonary hypertension, is an important complication of COPD. Bronchiectasis is considered not only a comorbidity of COPD, but also a risk factor for vascular diseases. The main pulmonary artery to aorta diameter ratio (PA:A ratio) has been found to be a reliable indicator of pulmonary vascular disease. It is hypothesized that the co-existence of COPD and bronchiectasis may be associated with relative pulmonary artery enlargement (PA:A ratio >1)...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29490418/nontuberculous-mycobacterial-lung-disease-in-a-patient-with-copd-and-bronchiectasis-with-radiological-signs-of-lung-tumor
#11
Dorota Wyrostkiewicz, Monika Szturmowicz, Iwona Bartoszuk, Izabela Siemion-Szcześniak, Lilia Jakubowska, Ewa Augustynowicz-Kopeć, Jan Kuś
Mycobacterial lung disease is caused by nontuberculous mycobacteria (NTM), also known as atypical mycobacteria. NTM are widely distributed in the environment, particularly in soil and water; they may colonize the airways, gastrointestinal tract and genitourinary system, without the apparent signs of disease. Nevertheless, in some risk groups such as patients with chronic lung diseases or with immunodeficiency, mycobacterial lung disease is identified. Recently, increased recognition of mycobacterial lung disease in chronic obstructive pulmonary disease (COPD) patients has been observed, especially in those treated with high doses of inhaled corticosteroids...
2018: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/29484869/-diagnosis-and-treatment-of-bronchiectasis-position-paper-of-the-israeli-pulmonology-society-and-the-israeli-pediatric-pulmonology-society
#12
Michal Shteinberg, Emilia Hardak, Matthew Koslow, Dario Prais, Malena Cohen-Cymberkno, David Shoseyov, Adi Dagan, Yochai Adir, David Shitrit
Bronchiectasis is anatomically defined by irreversible distortion of the bronchi. Clinically, its manifestations are cough with sputum production and a predisposition to pulmonary infections. Unlike asthma and COPD, where ample clinical data are present regarding the course and effective treatment, knowledge of bronchiectasis has yet to evolve. Lately, bronchiectasis is gaining renewed attention among the medical community, with growing basic and clinical research-based data. In Israel, no registered treatments exist for bronchiectasis, which makes it difficult to treat these patients...
February 2018: Harefuah
https://www.readbyqxmd.com/read/29484635/dipeptidyl-peptidase-1-inhibitor-azd7986-induces-a-sustained-exposure-dependent-reduction-in-neutrophil-elastase-activity-in-healthy-subjects
#13
Robert Palmér, Jukka Mäenpää, Alexandra Jauhiainen, Bengt Larsson, John Mo, Muir Russell, James Root, Susanne Prothon, Ligia Chialda, Pablo Forte, Torbjörn Egelrud, Kristina Stenvall, Philip Gardiner
Neutrophil serine proteases (NSPs), such as neutrophil elastase (NE), are activated by dipeptidyl peptidase 1 (DPP1) during neutrophil maturation. High NSP levels can be detrimental, particularly in lung tissue, and inhibition of NSPs is therefore an interesting therapeutic opportunity in multiple lung diseases, including chronic obstructive pulmonary disease (COPD) and bronchiectasis. We conducted a randomized, placebo-controlled, first-in-human study to assess the safety, tolerability, pharmacokinetics, and pharmacodynamics of single and multiple oral doses of the DPP1 inhibitor AZD7986 in healthy subjects...
February 27, 2018: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29469675/lessons-from-the-past-some-histories-of-alpha-1-antitrypsin-deficiency-before-its-discovery
#14
A Perciaccante, P Charlier, C Negri, A Coralli, O Appenzeller, R Bianucci
A1AT deficiency- a genetically inherited autosomal codominant disease with more than 120 identified alleles- was first identified by Laurell and Eriksson in 1963. The most common hereditary disorder in adults, A1AT causes an increased risk of developing pulmonary emphysema and liver disease. In A1AT patients, lung disease generally presents at a younger age than "usual" chronic obstructive pulmonary disease (COPD) and it may be misdiagnosed as asthma. Because A1AT deficiency patients can show the same clinical features as non-deficient COPD (including increased evidence of bronchiectasis, frequent exacerbations, impaired health status and a degree of reversibility of airflow obstruction), the World Health Organization recommend to test every patient with a diagnosis of COPD or adult-onset asthma for A1AT deficiency...
February 2018: COPD
https://www.readbyqxmd.com/read/29459308/air-pollution-and-emergency-department-visits-for-respiratory-diseases-a-multi-city-case-crossover-study
#15
Mieczysław Szyszkowicz, Termeh Kousha, Jessica Castner, Robert Dales
Increasing evidence suggests that ambient air pollution is a major risk factor for both acute and chronic respiratory disease exacerbations and emergencies. The objective of this study was to determine the association between ambient air pollutants and emergency department (ED) visits for respiratory conditions in nine districts across the province of Ontario in Canada. Health, air pollutant (PM2.5 , NO2 , O3 , and SO2 ), and meteorological data were retrieved from April 2004 to December 2011. Respiratory diseases were categorized as: chronic obstructive pulmonary disease (COPD, including bronchiectasis) and acute upper respiratory diseases...
May 2018: Environmental Research
https://www.readbyqxmd.com/read/29425123/aspergillus-fumigatus-detection-and-risk-factors-in-patients-with-copd-bronchiectasis-overlap
#16
Stephanie Everaerts, Katrien Lagrou, Kristina Vermeersch, Lieven J Dupont, Bart M Vanaudenaerde, Wim Janssens
The role of Aspergillus fumigatus in the airways of chronic obstructive pulmonary disease (COPD) patients with bronchiectasis is currently unclear. We searched for a sensitive and noninvasive method for A. fumigatus detection in the sputum of COPD patients and addressed potential risk factors for its presence. Induced sputum samples of 18 COPD patients and 17 COPD patients with bronchiectasis were analyzed for the presence of A. fumigatus by culture, galactomannan detection, and PCR. Of the patients with COPD-bronchiectasis overlap, 23...
February 9, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29416328/emphysema-and-bronchiectasis-in-copd-patients-with-previous-pulmonary-tuberculosis-computed-tomography-features-and-clinical-implications
#17
Jianmin Jin, Shuling Li, Wenling Yu, Xiaofang Liu, Yongchang Sun
Background: Pulmonary tuberculosis (PTB) is a risk factor for COPD, but the clinical characteristics and the chest imaging features (emphysema and bronchiectasis) of COPD with previous PTB have not been studied well. Methods: The presence, distribution, and severity of emphysema and bronchiectasis in COPD patients with and without previous PTB were evaluated by high-resolution computed tomography (HRCT) and compared. Demographic data, respiratory symptoms, lung function, and sputum culture of Pseudomonas aeruginosa were also compared between patients with and without previous PTB...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29411860/self-management-for-bronchiectasis
#18
REVIEW
Carol Kelly, Seamus Grundy, Dave Lynes, David Jw Evans, Sharada Gudur, Stephen J Milan, Sally Spencer
BACKGROUND: Bronchiectasis is a long term respiratory condition with an increasing rate of diagnosis. It is associated with persistent symptoms, repeated infective exacerbations, and reduced quality of life, imposing a burden on individuals and healthcare systems. The main aims of therapeutic management are to reduce exacerbations and improve quality of life. Self-management interventions are potentially important for empowering people with bronchiectasis to manage their condition more effectively and to seek care in a timely manner...
February 7, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29402641/-emphysema-did-you-say-emphysema
#19
J Benzaquen, J Pradelli, B Padovani, C H Marquette, S Leroy
INTRODUCTION: Chronic obstructive pulmonary disease (COPD) is a common condition that may initially look simple but may conceal other diseases capable of accelerating its natural history or even simulating it. We describe four cases presenting as COPD with emphysema that were reclassified on the basis of certain clinical characteristics and the radiological pattern. CASE REPORTS: A 52 year old never smoking woman presenting with emphysema was eventually diagnosed as having lymphangioleiomyomatosis on the basis of an abdominal CT scan showing kidney angiomyolipomas...
January 2018: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/29386298/longitudinal-profiling-of-the-lung-microbiome-in-the-aeris-study-demonstrates-repeatability-of-bacterial-and-eosinophilic-copd-exacerbations
#20
David Mayhew, Nathalie Devos, Christophe Lambert, James R Brown, Stuart C Clarke, Viktoriya L Kim, Michal Magid-Slav, Bruce E Miller, Kristoffer K Ostridge, Ruchi Patel, Ganesh Sathe, Daniel F Simola, Karl J Staples, Ruby Sung, Ruth Tal-Singer, Andrew C Tuck, Stephanie Van Horn, Vincent Weynants, Nicholas P Williams, Jeanne-Marie Devaster, Tom M A Wilkinson
BACKGROUND: Alterations in the composition of the lung microbiome associated with adverse clinical outcomes, known as dysbiosis, have been implicated with disease severity and exacerbations in COPD. OBJECTIVE: To characterise longitudinal changes in the lung microbiome in the AERIS study (Acute Exacerbation and Respiratory InfectionS in COPD) and their relationship with associated COPD outcomes. METHODS: We surveyed 584 sputum samples from 101 patients with COPD to analyse the lung microbiome at both stable and exacerbation time points over 1 year using high-throughput sequencing of the 16S ribosomal RNA gene...
May 2018: Thorax
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