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BMC Pulmonary Medicine

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https://www.readbyqxmd.com/read/30012144/comorbidities-and-copd-severity-in-a-clinic-based-cohort
#1
Chantal Raherison, El-Hassane Ouaalaya, Alain Bernady, Julien Casteigt, Cecilia Nocent-Eijnani, Laurent Falque, Frédéric Le Guillou, Laurent Nguyen, Annaig Ozier, Mathieu Molimard
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is an important cause of morbidity and mortality around the world. The aim of our study was to determine the association between specific comorbidities and COPD severity. METHODS: Pulmonologists included patients with COPD using a web-site questionnaire. Diagnosis of COPD was made using spirometry post-bronchodilator FEV1/FVC < 70%. The questionnaire included the following domains: demographic criteria, clinical symptoms, functional tests, comorbidities and therapeutic management...
July 16, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/30005658/association-between-six-minute-walk-test-parameters-and-the-health-related-quality-of-life-in-patients-with-pulmonary-mycobacterium-avium-complex-disease
#2
Kazuma Yagi, Takanori Asakura, Ho Namkoong, Shoji Suzuki, Takahiro Asami, Satoshi Okamori, Tatsuya Kusumoto, Yohei Funatsu, Hirofumi Kamata, Tomoyasu Nishimura, Makoto Ishii, Tomoko Betsuyaku, Naoki Hasegawa
BACKGROUND: Pulmonary Mycobacterium avium complex (pMAC) disease is a chronic, slowly progressive disease. The aim of the present study was to determine the association of six-minute walk test (6MWT) parameters with pulmonary function and the health-related quality of life (HRQL) in patients with pMAC disease. METHODS: This cross-sectional study included adult patients with pMAC and was conducted at Keio University Hospital. We investigated the relationship of 6MWT parameters with clinical parameters, including pulmonary function, and HRQL, which was assessed using the 36-Item Short Form Health Survey (SF-36) and St...
July 13, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/30005648/cell-distribution-and-cytokine-levels-in-induced-sputum-from-healthy-subjects-and-patients-with-asthma-after-using-different-nebulizer-techniques
#3
Sinem Koc-Günel, Ralf Schubert, Stefan Zielen, Martin Rosewich
BACKGROUND: Sputum induction is an important noninvasive method for analyzing bronchial inflammation in patients with asthma and other respiratory diseases. Most frequently, ultrasonic nebulizers are used for sputum induction, but breath-controlled nebulizers may target the small airways more efficiently. This treatment may produce a cell distribution similar to bronchoalveolar lavage (less neutrophils and more macrophages) and provide deeper insights into the underlying lung pathology...
July 13, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/30005642/relative-lymphocyte-count-as-an-indicator-of-3-year-mortality-in-elderly-people-with-severe-copd
#4
Domenico Acanfora, Pietro Scicchitano, Mauro Carone, Chiara Acanfora, Giuseppe Piscosquito, Roberto Maestri, Annapaola Zito, Ilaria Dentamaro, Marialaura Longobardi, Gerardo Casucci, Raffaele Antonelli-Incalzi, Marco Matteo Ciccone
BACKGROUND: Prognostic stratification of elderly patients with chronic obstructive pulmonary disease (COPD) is difficult due to the wide inter-individual variability in the course of the disease. No marker can exactly stratify the evolution and natural history of COPD patients. Studies have shown that leukocyte count is associated with increased risk of mortality in COPD patients. The aim of this study was to evaluate the possible role of relative lymphocyte count as a risk marker for mortality in elderly patients with COPD...
July 13, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29996818/pulmonary-tumor-thrombotic-microangiopathy-and-pulmonary-veno-occlusive-disease-in-a-woman-with-cervical-cancer-treated-with-cediranib-and-durvalumab
#5
Dante A Suffredini, Jung-Min Lee, Cody J Peer, Drew Pratt, David E Kleiner, Jason M Elinoff, Michael A Solomon
BACKGROUND: Pulmonary tumor thrombotic microangiopathy (PTTM) is a rare cause of pulmonary hypertension that is associated with malignancies and is marked by the presence of non-occlusive tumor emboli and fibrocellular intimal proliferation of small pulmonary arteries leading to increased pulmonary vascular resistance and right heart failure. The diagnosis of PTTM is challenging to make pre-mortem and guidelines on treatment are lacking. CASE PRESENTATION: A 45-year-old woman with advanced squamous cell carcinoma of the cervix developed symptoms of dyspnea and evidence of right heart failure during a phase I clinical trial with cediranib and durvalumab...
July 11, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29996808/do-airway-inflammation-and-airway-responsiveness-markers-at-the-start-of-apprenticeship-predict-their-evolution-during-initial-training-a-longitudinal-study-among-apprentice-bakers-pastry-makers-and-hairdressers
#6
Valérie Demange, Denis Zmirou-Navier, Abraham Bohadana, Pascal Wild
BACKGROUND: The natural history of airway inflammation and symptoms in occupations at risk of asthma is still not fully understood. We aimed to study the evolution during apprenticeship of inflammation markers, bronchial hyperresponsiveness (BHR) and symptoms in at-risk subgroups as defined from measurements of markers made shortly after the start of training. METHODS: Respiratory symptoms, FEV1 and airway resistance post-bronchial challenge (MBC) test results, fractional exhaled nitric oxide (FeNO) measurements, and eosinophils in nasal lavage fluid were investigated in apprentice bakers, pastry-makers and hairdressers...
July 11, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29986678/nox4-expression-and-distal-arteriolar-remodeling-correlate-with-pulmonary-hypertension-in-copd
#7
Xiaotong Guo, Yuchun Fan, Jieda Cui, Binwei Hao, Li Zhu, Xiao Sun, Jinxi He, Jiali Yang, Jianda Dong, Yanyang Wang, Xiaoming Liu, Juan Chen
BACKGROUND: Pulmonary hypertension (PH) in chronic obstructive pulmonary disease (COPD) is suggested as the consequence of emphysematous destruction of vascular bed and hypoxia of pulmonary microenvironment, mechanisms underpinning its pathogenesis however remain elusive. The dysregulated expression of nicotinamide adenine dinucleotide phosphate (NADPH)-oxidases and superoxide generation by pulmonary vasculatures have significant implications in the hypoxia-induced PH. METHODS: In this study, the involvement of NADPH oxidase subunit 4 (NOX4) in pulmonary arteriolar remodeling of PH in COPD was investigated by ascertaining the morphological alteration of pulmonary arteries and pulmonary blood flow using cardiac magnetic resonance imaging (cMRI), and the expression and correlation of NOX4 with pulmonary vascular remodeling and pulmonary functions in COPD lungs...
July 9, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29976177/the-prevalence-burden-and-risk-factors-associated-with-bronchial-asthma-in-commonwealth-of-independent-states-countries-ukraine-kazakhstan-and-azerbaijan-results-of-the-core-study
#8
Damilya Nugmanova, Lyudmila Sokolova, Yuriy Feshchenko, Liudmila Iashyna, Olga Gyrina, Katerina Malynovska, Ilgar Mustafayev, Gulzar Aliyeva, Janina Makarova, Averyan Vasylyev, Luqman Tariq
BACKGROUND: In the Commonwealth of Independent States (CIS) countries epidemiology of Bronchial Asthma (BA) is poorly characterized. The objective of this analysis is to present the prevalence, burden and risk factors associated with BA in the CIS countries as part of the CORE study (Chronic Obstructive REspiratory diseases). METHODS: A total of 2842 adults (≥18 years) were recruited (964 in Kiev, Ukraine, 945 in Almaty, Kazakhstan, and 933 in Baku, Azerbaijan) in 2013-2015 during household visits...
July 5, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29970066/asthma-exacerbations-in-a-subtropical-area-and-the-role-of-respiratory-viruses-a-cross-sectional-study
#9
Lusmaia Damaceno Camargo Costa, Paulo Augusto Moreira Camargos, Paul L P Brand, Fabíola Souza Fiaccadori, Menira Borges de Lima Dias E Souza, Divina das Dôres de Paula Cardoso, Ítalo de Araújo Castro, Ruth Minamisava, Paulo Sérgio Sucasas da Costa
BACKGROUND: Multiple factors are involved in asthma exacerbations, including environmental exposure and viral infections. We aimed to assess the association between severe asthma exacerbations, acute respiratory viral infections and other potential risk factors. METHODS: Asthmatic children aged 4-14 years were enrolled for a period of 12 months and divided into two groups: those with exacerbated asthma (group 1) and non-exacerbated asthma (group 2). Clinical data were obtained and nasopharyngeal samples were collected through nasopharyngeal aspirate or swab and analysed via indirect fluorescent immunoassays to detect influenza A and B viruses, parainfluenza 1-3, adenovirus and respiratory syncytial virus...
July 3, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29954359/evaluation-of-inhaler-technique-and-achievement-and-maintenance-of-mastery-of-budesonide-formoterol-spiromax%C3%A2-compared-with-budesonide-formoterol-turbuhaler%C3%A2-in-adult-patients-with-asthma-the-easy-low-instruction-over-time-eliot-study
#10
David B Price, Vicky Thomas, P N Richard Dekhuijzen, Sinthia Bosnic-Anticevich, Nicolas Roche, Federico Lavorini, Priyanka Raju, Daryl Freeman, Carole Nicholls, Iain R Small, Erika Sims, Guilherme Safioti, Janice Canvin, Henry Chrystyn
BACKGROUND: Incorrect inhaler technique is a common cause of poor asthma control. This two-phase pragmatic study evaluated inhaler technique mastery and maintenance of mastery with DuoResp® (budesonide-formoterol [BF]) Spiromax® compared with Symbicort® (BF) Turbuhaler® in patients with asthma who were receiving inhaled corticosteroids/long-acting β2-agonists. METHODS: In the initial cross-sectional phase, patients were randomized to a 6-step training protocol with empty Spiromax and Turbuhaler devices...
June 28, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29954353/effects-of-vitamin-d-supplementation-on-the-outcomes-of-patients-with-pulmonary-tuberculosis-a-systematic-review-and-meta-analysis
#11
Hong-Xia Wu, Xiao-Feng Xiong, Min Zhu, Jia Wei, Kai-Quan Zhuo, De-Yun Cheng
BACKGROUND: Vitamin D is involved in the host immune response toward Mycobacterium tuberculosis. However, the efficacy of vitamin D supplementation on sputum conversion, clinical response to treatment, adverse events, and mortality in patients with pulmonary tuberculosis (PTB) remains controversial. We aimed to clarify the efficacy and safety of vitamin D supplementation in PTB treatment. METHODS: We searched Medline, Embase, Cochrane Central Register of Controlled Trials, Web of Science for double-blind, randomized controlled trials of vitamin D supplementation in patients with PTB that reported sputum conversion, clinical response to treatment, adverse events, or mortality, published from database inception to November 26, 2017...
June 28, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29940945/pulmonary-arterial-hypertension-in-latin-america-epidemiological-data-from-local-studies
#12
Ana Beatriz Valverde, Juliana M Soares, Karynna P Viana, Bruna Gomes, Claudia Soares, Rogerio Souza
BACKGROUND: Pulmonary arterial hypertension is a rare, progressive disease with poor prognosis. However, there is limited information available on the characteristics of PAH patients outside of North America and Europe. This is particularly important as researchers have described that there are potential geographical and regional differences which are vital to consider in the design of clinical trials as well as PAH treatment. The aim of this study was to describe the epidemiology of PAH (PH group 1) in Latin America...
June 26, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29929518/obliterative-bronchiolitis-associated-with-rheumatoid-arthritis-analysis-of-a-single-center-case-series
#13
Erica Lin, Andrew H Limper, Teng Moua
BACKGROUND: Rheumatoid arthritis (RA) is a systemic autoimmune condition characterized by erosive inflammation of the joints. One rare pulmonary manifestation is obliterative bronchiolitis (OB), a small airways disease characterized by the destruction of bronchiolar epithelium and airflow obstruction. METHODS: We retrospectively reviewed the clinical data of patients with rheumatoid arthritis-associated obliterative bronchiolitis (RA-OB) from 01/01/2000 to 12/31/2015...
June 22, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29925362/heparin-binding-protein-in-sputum-as-a-marker-of-pulmonary-inflammation-lung-function-and-bacterial-load-in-children-with-cystic-fibrosis
#14
Gisela Hovold, Victoria Palmcrantz, Fredrik Kahn, Arne Egesten, Lisa I Påhlman
BACKGROUND: Cystic fibrosis (CF) is associated with bacterial pulmonary infections and neutrophil-dominated inflammation in the airways. The aim of this study was to evaluate the neutrophil-derived protein Heparin-binding protein (HBP) as a potential sputum marker of airway inflammation and bacterial load. METHODS: Nineteen CF patients, aged 6-18 years, were prospectively followed for 6 months with sputum sampling at every visit to the CF clinic. A total of 41 sputum samples were collected...
June 20, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29914472/earlier-smoking-after-waking-and-the-risk-of-asthma-a-cross-sectional-study-using-nhanes-data
#15
Arielle S Selya, Sunita Thapa, Gaurav Mehta
BACKGROUND: Recent research shows that nicotine dependence conveys additional health risks above and beyond smoking behavior. The current study examines whether smoking within 5 min of waking, an indicator of nicotine dependence, is independently associated with asthma outcomes. METHODS: Data were drawn from five pooled cross-sectional waves (2005-14) of NHANES, and the final sample consisted of N = 4081 current adult smokers. Weighted logistic regressions were run examining the relationship between smoking within 5 min of waking and outcomes of lifetime asthma, past-year asthma, and having had an asthma attack in the past year...
June 18, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29914454/-velcro-type-crackles-predict-specific-radiologic-features-of-fibrotic-interstitial-lung-disease
#16
Giacomo Sgalla, Simon L F Walsh, Nicola Sverzellati, Sophie Fletcher, Stefania Cerri, Borislav Dimitrov, Dragana Nikolic, Anna Barney, Fabrizio Pancaldi, Luca Larcher, Fabrizio Luppi, Mark G Jones, Donna Davies, Luca Richeldi
BACKGROUND: "Velcro-type" crackles on chest auscultation are considered a typical acoustic finding of Fibrotic Interstitial Lung Disease (FILD), however whether they may have a role in the early detection of these disorders has been unknown. This study investigated how "Velcro-type" crackles correlate with the presence of distinct patterns of FILD and individual radiologic features of pulmonary fibrosis on High Resolution Computed Tomography (HRCT). METHODS: Lung sounds were digitally recorded from subjects immediately prior to undergoing clinically indicated chest HRCT...
June 18, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29907106/activation-and-polarization-of-circulating-monocytes-in-severe-chronic-obstructive-pulmonary-disease
#17
William D Cornwell, Victor Kim, Xiaoxuan Fan, Marie Elena Vega, Frederick V Ramsey, Gerard J Criner, Thomas J Rogers
BACKGROUND: The ability of circulating monocytes to develop into lung macrophages and promote lung tissue damage depends upon their phenotypic pattern of differentiation and activation. Whether this phenotypic pattern varies with COPD severity is unknown. Here we characterize the activation and differentiation status of circulating monocytes in patients with moderate vs. severe COPD. METHODS: Blood monocytes were isolated from normal non-smokers (14), current smokers (13), patients with moderate (9), and severe COPD (11)...
June 15, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29898704/acute-effects-of-combined-exercise-and-oscillatory-positive-expiratory-pressure-therapy-on-sputum-properties-and-lung-diffusing-capacity-in-cystic-fibrosis-a-randomized-controlled-crossover-trial
#18
Thomas Radtke, Lukas Böni, Peter Bohnacker, Marion Maggi-Beba, Peter Fischer, Susi Kriemler, Christian Benden, Holger Dressel
BACKGROUND: Regular airway clearance by chest physiotherapy and/or exercise is critical to lung health in cystic fibrosis (CF). Combination of cycling exercise and chest physiotherapy using the Flutter® device on sputum properties has not yet been investigated. METHODS: This prospective, randomized crossover study compared a single bout of continuous cycling exercise at moderate intensity (experiment A, control condition) vs a combination of interval cycling exercise plus Flutter® (experiment B)...
June 14, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29898702/comparison-of-peak-inspiratory-flow-rate-via-the-breezhaler%C3%A2-ellipta%C3%A2-and-handihaler%C3%A2-dry-powder-inhalers-in-patients-with-moderate-to-very-severe-copd-a-randomized-cross-over-trial
#19
Pablo Altman, Luis Wehbe, Juergen Dederichs, Tadhg Guerin, Brian Ament, Miguel Cardenas Moronta, Andrea Valeria Pino, Pankaj Goyal
BACKGROUND: The chronic and progressive nature of chronic obstructive pulmonary disease (COPD) requires self-administration of inhaled medication. Dry powder inhalers (DPIs) are increasingly being used for inhalation therapy in COPD. Important considerations when selecting DPIs include inhalation effort required and flow rates achieved by patients. Here, we present the comparison of the peak inspiratory flow rate (PIF) values achieved by COPD patients, with moderate to very severe airflow limitation, through the Breezhaler®, the Ellipta® and the HandiHaler® inhalers...
June 14, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29879930/physical-activity-and-sedentary-time-are-related-to-clinically-relevant-health-outcomes-among-adults-with-obstructive-lung-disease
#20
Shilpa Dogra, Joshua Good, Matthew P Buman, Paul A Gardiner, Jennifer L Copeland, Michael K Stickland
BACKGROUND: The purpose of the current study was to determine the association between sedentary time and physical activity with clinically relevant health outcomes among adults with impaired spirometry and those with or without self-reported obstructive lung disease (asthma or COPD). METHODS: Data from participants of the Canadian Longitudinal Study on Aging were used for analysis (n = 4156). Lung function was assessed using spirometry. Adults were said to have impaired spirometry if their Forced Expiratory Volume in 1 s was <5th percentile lower limit of normal (LLN)...
June 7, 2018: BMC Pulmonary Medicine
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