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COPD review

Vanessa Pereira Lima, Vinicius C Iamonti, Marcelo Velloso, Tania Janaudis-Ferreira
PURPOSE: The mechanisms underlying physiological limitations during arm activity in individuals with chronic obstructive pulmonary disease (COPD) are unknown. The objective of this systematic review was to describe cardiorespiratory responses, symptoms, chest wall kinematics, muscle activity, and lung volumes during arm activity in individuals with COPD relative to the responses of healthy controls. METHODS: Original research articles that compared cardiorespiratory responses, symptoms, muscle activity, chest wall kinematics, and lung function during arm activity between individuals with COPD and healthy controls were identified after searches of 5 electronic databases and reference lists of pertinent articles...
November 2016: Journal of Cardiopulmonary Rehabilitation and Prevention
Atsushi Nambu, Jordan Zach, Joyce Schroeder, Gongyoung Jin, Song Soo Kim, Yu-Il Kim, Christina Schnell, Russell Bowler, David A Lynch
PURPOSE: To correlate currently available quantitative CT measurements for airway disease with physiological indices and the body-mass index, airflow obstruction, dyspnea, and exercise capacity (BODE) index in patients with chronic obstructive pulmonary disease (COPD). MATERIALS AND METHODS: This study was approved by our institutional review board (IRB number 2778). Written informed consent was obtained from all subjects. The subjects included 188 current and former cigarette smokers from the COPDGene cohort who underwent inspiratory and expiratory CT and also had physiological measurements for the evaluation of airflow limitation, including FEF25-75%, airway resistance (Raw), and specific airway conductance (sGaw)...
November 2016: European Journal of Radiology
John Nixon, Paul Newbold, Tomas Mustelin, Gary P Anderson, Roland Kolbeck
Eosinophils have been linked with asthma for more than a century, but their role has been unclear. This review discusses the roles of eosinophils in asthma and chronic obstructive pulmonary disease (COPD) and describes therapeutic antibodies that affect eosinophilia. The aims of pharmacologic treatments for pulmonary conditions are to reduce symptoms, slow decline or improve lung function, and reduce the frequency and severity of exacerbations. Inhaled corticosteroids (ICS) are important in managing symptoms and exacerbations in asthma and COPD...
October 20, 2016: Pharmacology & Therapeutics
Ken M Kunisaki, Dennis E Niewoehner, Gary Collins, Bitten Aagaard, Nafisah B Atako, Elzbieta Bakowska, Amanda Clarke, Giulio Maria Corbelli, Ernest Ekong, Sean Emery, Elizabeth B Finley, Eric Florence, Rosa M Infante, Cissy M Kityo, Juan Sierra Madero, Daniel E Nixon, Ellen Tedaldi, Jørgen Vestbo, Robin Wood, John E Connett
BACKGROUND: Observational data have been conflicted regarding the potential role of HIV antiretroviral therapy (ART) as a causative factor for, or protective factor against, COPD. We therefore aimed to investigate the effect of immediate versus deferred ART on decline in lung function in HIV-positive individuals. METHODS: We did a nested substudy within the randomised, controlled Strategic Timing of Antiretroviral Treatment (START) trial at 80 sites in multiple settings in 20 high-income and low-to-middle-income countries...
October 20, 2016: Lancet Respiratory Medicine
Maria Paula Henao, Timothy J Craig
Alpha-1-antitrypsin Deficiency (AATD) is an orphan disease that predisposes individuals to COPD and liver disease. The following is a comprehensive review of AATD from epidemiology to treatment for physicians who treat COPD or asthma. Areas Covered: In this comprehensive review of alpha-1-antitrypsin deficiency, we describe the historical perspective, genetics, epidemiology, clinical presentation and symptoms, screening and diagnosis, and treatments of the condition. Expert Commentary: The two most important directions for advancing the understanding of AATD involve improving detection of the condition, especially in asymptomatic patients, and advancing knowledge of treatments directed specifically at AATD-related conditions...
October 24, 2016: Expert Review of Respiratory Medicine
Lan-Eng Tan, Razak A M, Chor-Shen Lim
Patients with lung cancer often have chronic obstructive pulmonary disease (COPD), but the impact of COPD on postresection survival of patients with lung cancer is unclear. This study evaluated the impact of COPD on survival of patients with lung cancer following pulmonary resection. Databases searched included PubMed, Cochrane, and Embase until March 2016. Study outcomes were overall survival and pulmonary complication rate (pneumonia, bronchial fistula, and prolonged mechanical ventilation). 6 studies with a total of 3761 patients were included...
October 21, 2016: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
Christine M Freeman, Jeffrey L Curtis
Hallmarks of chronic obstructive pulmonary disease (COPD) include innate inflammation and remodeling of small airways that begin in early disease and the development of lung lymphoid follicles (LLF), indicative of adaptive immunity, in more spirometrically-severe stages. Common to these processes in all stages is orchestration by dendritic cells (DC). Recently improved understanding of the analogous lung DC subsets in humans and mice has allowed for better integration and interpretation of the experimental and clinical pathological literature...
October 21, 2016: American Journal of Respiratory Cell and Molecular Biology
Steffen T Simon, Irene J Higginson, Sara Booth, Richard Harding, Vera Weingärtner, Claudia Bausewein
BACKGROUND: This is an updated version of the original Cochrane review published in Issue 1, 2010, on 'Benzodiazepines for the relief of breathlessness in advanced malignant and non-malignant diseases in adults'. Breathlessness is one of the most common symptoms experienced in the advanced stages of malignant and non-malignant disease. Benzodiazepines are widely used for the relief of breathlessness in advanced diseases and are regularly recommended in the literature. At the time of the previously published Cochrane review, there was no evidence for a beneficial effect of benzodiazepines for the relief of breathlessness in people with advanced cancer and chronic obstructive pulmonary disease (COPD)...
October 20, 2016: Cochrane Database of Systematic Reviews
Adam J N Raymakers, Natalie McCormick, Carlo A Marra, J Mark Fitzgerald, Don Sin, Larry D Lynd
Inhaled corticosteroids (ICS) are commonly prescribed to COPD patients, particularly those with more advanced stages of the disease. These patients are also at increased risk of lung cancer. A systematic review was undertaken to identify studies that examined the association between lung cancer risk and ICS therapy in COPD patients. The search strategy was created in MEDLINE and extended to EMBASE as well as other relevant databases. Both randomized controlled trials (RCTs) and observational studies were considered for inclusion...
October 19, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
Michele Carron
Non-invasive ventilation (NIV) has assumed an important role in the management of acute respiratory failure (ARF). NIV, compared with standard medical therapy, improves survival and reduces complications in selected patients with ARF. NIV represents the first-line intervention for some forms of ARF, such as chronic obstructive pulmonary disease (COPD) exacerbations and acute cardiogenic pulmonary edema. The use of NIV is also well supported for immunocompromised patients who are at high risk for infectious complications from endotracheal intubation...
September 2016: Annals of Translational Medicine
Sharon L I Wong, Maria B Sukkar
Secreted protein acidic and rich in cysteine (SPARC) is a matricellular protein which regulates interactions between cells and their surrounding extracellular matrix (ECM), and thus governs fundamental cellular functions such as cell adhesion, proliferation and differentiation. SPARC also regulates the expression and activity of numerous growth factors and matrix metalloproteinases essential for ECM degradation and turnover. Studies in SPARC-null mice have revealed a critical role for SPARC in tissue development, injury and repair, and in the regulation of the immune response...
October 19, 2016: British Journal of Pharmacology
Sarah Jones, William D-C Man, Wei Gao, Irene J Higginson, Andrew Wilcock, Matthew Maddocks
BACKGROUND: This review is an update of a previously published review in the Cochrane Database of Systematic Reviews Issue 1, 2013 on Neuromuscular electrical stimulation for muscle weakness in adults with advanced disease.Patients with advanced progressive disease often experience muscle weakness, which can impact adversely on their ability to be independent and their quality of life. In those patients who are unable or unwilling to undertake whole-body exercise, neuromuscular electrical stimulation (NMES) may be an alternative treatment to enhance lower limb muscle strength...
October 17, 2016: Cochrane Database of Systematic Reviews
Gary P Anderson
In recent years, thousands of publications on chronic obstructive pulmonary disease (COPD) and its related biology have entered the world literature, reflecting the increasing scientific and medical interest in this devastating condition. This article is a selective review of several important emerging themes that offer the hope of creating new classes of COPD medicines. Whereas basic science is parsing molecular pathways in COPD, its comorbidities, and asthma COPD overlap syndrome (ACOS) with unprecedented sophistication, clinical translation is disappointingly slow...
2016: F1000Research
P Gouda, J Chua, D Langan, T Hannon, A Scott, A O'Regan
BACKGROUND: While domiciliary non-invasive ventilation (NIV) was initially used in the treatment of respiratory failure resulting from chest wall deformity, the main indication is now chronic obstructive pulmonary disease (COPD) with recurrent exacerbations associated with type 2 respiratory failure. A longitudinal study of domiciliary NIV provides insights into the evolution of this treatment in the west of Ireland. METHODS: The cohort of patients receiving new prescriptions for domiciliary NIV from Galway University Hospital from 2000 to 2012 was reviewed using study coordinator chart reviews and telephone follow-ups...
October 15, 2016: Irish Journal of Medical Science
Joseph Em van Agteren, Kristin V Carson, Leong Ung Tiong, Brian J Smith
BACKGROUND: Lung volume reduction surgery (LVRS) performed to treat patients with severe diffuse emphysema was reintroduced in the nineties. Lung volume reduction surgery aims to resect damaged emphysematous lung tissue, thereby increasing elastic properties of the lung. This treatment is hypothesised to improve long-term daily functioning and quality of life, although it may be costly and may be associated with risks of morbidity and mortality. Ten years have passed since the last version of this review was prepared, prompting us to perform an update...
October 14, 2016: Cochrane Database of Systematic Reviews
Bernadette Jones, Chantal Donovan, Gang Liu, Henry M Gomez, Vrushali Chimankar, Celeste L Harrison, Cornelis H Wiegman, Ian M Adcock, Darryl A Knight, Jeremy A Hirota, Philip M Hansbro
COPD is a major cause of global mortality and morbidity but current treatments are poorly effective. This is because the underlying mechanisms that drive the development and progression of COPD are incompletely understood. Animal models of disease provide a valuable, ethically and economically viable experimental platform to examine these mechanisms and identify biomarkers that may be therapeutic targets that would facilitate the development of improved standard of care. Here, we review the different established animal models of COPD and the various aspects of disease pathophysiology that have been successfully recapitulated in these models including chronic lung inflammation, airway remodelling, emphysema and impaired lung function...
October 12, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
Sarah Masefield, Pippa Powell, Carlos Jiménez-Ruiz, Peter Hajek, Keir Lewis, Stefan Andreas, Philip Tønnesen, Onno van Schayck, Christina Gratziou, Bertrand Dautzenberg, Serena Tonstad, Thomas Hering, Stephano Nardini, Monica Fletcher
This study aimed to gain insight into the impact of lung conditions on smoking behaviour and smoking cessation, and identify recommendations for smoking cessation and professional-patient communications. The study was led by the European Lung Foundation in collaboration with the European Respiratory Society Task Force on "Statement on smoking cessation on COPD and other pulmonary diseases and in smokers with comorbidities who find it difficult to quit". A web-based observational cross-sectional questionnaire was developed from a patient-centered literature review...
April 2016: ERJ Open Research
Carlos A Camillo, Christian R Osadnik, Hans van Remoortel, Chris Burtin, Wim Janssens, Thierry Troosters
The aim of this review was to identify the effectiveness of therapies added on to conventional exercise training to maximise exercise capacity in patients with chronic obstructive pulmonary disease (COPD). Electronic databases were searched, identifying trials comparing exercise training with exercise training plus "add-on" therapy. Outcomes included peak oxygen uptake (V'O2peak), work rate and incremental/endurance cycle and field walking tests. Individual trial effects on exercise capacity were extracted and collated into eight subgroups and pooled for meta-analysis...
January 2016: ERJ Open Research
Freda Patterson, David S Zaslav, Diana Kolman-Taddeo, Hillary Cuesta, Mary Morrison, Frank T Leone, Aditi Satti
BACKGROUND: African-American smokers experience disproportionate COPD morbidity. As a front-line COPD behavioral management strategy, smoking cessation is less prevalent among African-American smokers. Identifying barriers and predictors to smoking cessation in this population is important to bridging this disparity. METHODS: In this study, the predictors of enrollment and attendance to a 3-session urban hospital smoking cessation program were examined. A retrospective chart review was conducted for all pulmonary clinic patients who smoked and were referred to the cessation program between June 2013 and May 2014...
October 11, 2016: Respiratory Care
John W Upham, Yang Xi
Dendritic cells (DC) are potent antigen presenting cells. Because of their particular ability to initiate and regulate cell mediated and humoral immune responses, there is considerable interest in the role that DC play in the pathogenesis of various lung diseases, especially those in which there is an excessive immune response to specific antigens (as in asthma) or a deficient immune response (as in lung cancer). A number of DC subpopulations have been defined in the lungs including myeloid or conventional DC that initiate T-cell immunity and antibody production, and plasmacytoid DC that have an important role in anti-viral immunity and immune tolerance...
October 8, 2016: Chest
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