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COPD review

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https://www.readbyqxmd.com/read/29047083/altered-redox-balance-in-the-development-of-chronic-hypoxia-induced-pulmonary-hypertension
#1
Nikki L Jernigan, Thomas C Resta, Laura V Gonzalez Bosc
Normally, the pulmonary circulation is maintained in a low-pressure, low-resistance state with little resting tone. Pulmonary arteries are thin-walled and rely heavily on pulmonary arterial distension and recruitment for reducing pulmonary vascular resistance when cardiac output is elevated. Under pathophysiological conditions, however, active vasoconstriction and vascular remodeling lead to enhanced pulmonary vascular resistance and subsequent pulmonary hypertension (PH). Chronic hypoxia is a critical pathological factor associated with the development of PH resulting from airway obstruction (COPD, sleep apnea), diffusion impairment (interstitial lung disease), developmental lung abnormalities, or high altitude exposure (World Health Organization [WHO]; Group III)...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29046030/-immunopathology-of-chronic-obstructive-pulmonary-disease
#2
Nora Ernestina Martínez-Aguilar, María Eugenia Vargas-Camaño, Rogelio Ramsés Hernández-Pliego, Genny Margarita Chaia-Semerena, María Rosario Pérez-Chavira
Chronic obstructive pulmonary disease (COPD) is a common, preventable and treatable condition that has a complex pathophysiology and an even more complex immunopathological process. The purpose of this review was to analyze COPD immunopathological aspects, which was addressed by undertaking a literature search for the most relevant documents indexed in the PubMed database over the last 10 years. Different conclusions could be drawn: in COPD immunopathology there are immune and non-immune inflammatory changes with oxidative stress imbalance, there are alterations in the protease/anti-protease ratio caused by direct and indirect genetic and epigenetic-environmental defects; COPD produces irreversible tissue damage and chronic inflammation with tissue repair alteration, which induces chronic obstruction of the airway, bronchitis and systemic damage...
July 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/29043847/smoking-related-interstitial-fibrosis-evidence-of-radiologic-regression-with-advancing-age-and-smoking-cessation
#3
Aurélie Fabre, Ann Treacy, Lisa P Lavelle, Maciek Narski, Nazia Faheem, David Healy, Jonathan D Dodd, Michael P Keane, James J Egan, Gilles Jebrak, Hervé Mal, Marcus W Butler
More data are needed regarding the radiology, co-morbidities and natural history of smoking-related interstitial fibrosis (SRIF), a common pathological finding, mainly described heretofore in association with lung cancer, where respiratory bronchiolitis (RB) usually co-exists. We prospectively acquired high resolution CT scan data (edge-enhancing lung reconstructions) to detect any radiologic interstitial lung abnormality (ILA) in individuals who ultimately underwent surgical lobectomy for lung cancer (n = 20), for radiologic/pathologic correlation...
October 18, 2017: COPD
https://www.readbyqxmd.com/read/29042025/biosynthesis-of-leukotriene-b4
#4
REVIEW
Min Wan, Xiao Tang, Alena Stsiapanava, Jesper Z Haeggström
Leukotriene B4 (LTB4) is a lipid mediator derived from arachidonic acid (AA) by the sequential action of 5-lipoxygenase (5-LOX), 5-lipoxygenase-activating protein (FLAP) and LTA4 hydrolase (LTA4H). It was initially recognized for its involvement in the recruitment of neutrophils and is one of the most potent chemotactic agents known to date. A large body of data has indicated that LTB4 plays a significant role in many chronic inflammatory diseases, such as arthritis, chronic obstructive pulmonary disease (COPD), cardiovascular disease, cancer and more recently, metabolic disorder...
October 2017: Seminars in Immunology
https://www.readbyqxmd.com/read/29038056/worldwide-prevalence-of-viral-infection-in-aecopd-patients-a-meta-analysis
#5
REVIEW
Habib Jafarinejad, Mohsen Moghoofei, Shayan Mostafaei, Jafar Salimian, Sadegh Azimzadeh, Ali Ahmadi
BACKGROUND AND OBJECTIVE: Chronic obstructive pulmonary disease (COPD) is a chronic progressive lung disease. On the other hand, viral infections of the airway are associated with the acute exacerbations of COPD. A systematic review and meta-analysis were performed to determine the prevalence rate of viral infections in acute exacerbations of COPD patients. METHODS: PubMed database was systematically searched for population-based prevalence studies (1930-2017). Fixed and random effects models were used for estimation of summary effect-sizes...
October 13, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29025886/th17-cytokines-novel-potential-therapeutic-targets-for-copd-pathogenesis-and-exacerbations
#6
REVIEW
Olivier Le Rouzic, Muriel Pichavant, Emilie Frealle, Antoine Guillon, Mustapha Si-Tahar, Philippe Gosset
Chronic obstructive pulmonary disease (COPD) is a chronic inflammatory disease of the airways caused mainly by cigarette smoke exposure. COPD progression is marked by exacerbations of the disease, often associated with infections. Recent data show the involvement in COPD pathophysiology of interleukin (IL)-17 and IL-22, two cytokines that are important in the control of lung inflammation and infection. During the initiation and progression of the disease, increased IL-17 secretion causes neutrophil recruitment, leading to chronic inflammation, airways obstruction and emphysema...
October 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28994328/th17-treg-immunoregulation-and-implications-in-treatment-of-sulfur-mustard-gas-induced-lung-diseases
#7
Maryam Iman, Ramazan Rezaei, Sadegh Azimzadeh-Jamalkandi, Parvin Shariati, Farrah Kheradmand, Jafar Salimian
Sulfur mustard (SM) is an extremely toxic gas used in chemical warfare to cause massive lung injury and death. Victims exposed to SM gas acutely present with inhalational lung injury, but among those who survive, some develop obstructive airway diseases referred to as SM-lung syndrome. Pathophysiologically, SM-lung shares many characteristics with smoking-induced chronic obstructive pulmonary disease (COPD), including airway remodeling, goblet cell metaplasia, and obstructive ventilation defect. Some of the hallmarks of COPD pathogenesis, which include dysregulated lung inflammation, neutrophilia, recruitment of interleukin 17A (IL -17A) expressing CD4(+)T cells (Th17), and the paucity of lung regulatory T cells (Tregs), have also been described in SM-lung...
October 10, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28992714/a-review-of-the-availability-and-cost-effectiveness-of-chronic-obstructive-pulmonary-disease-copd-management-interventions-in-rural-australia-and-new-zealand
#8
Michelle E Brooke, Nicolaos Spiliopoulos, Margaret Collins
INTRODUCTION: Chronic obstructive pulmonary disease (COPD) is a chronic, progressive disease, which consumes a significant proportion of the Australian and New Zealand healthcare budget. Studies have shown that people living with COPD outside of urban areas have higher rates of hospitalisations. Two international reviews have demonstrated reduced hospital admissions and length of stay in people with COPD who participate in an integrated disease management program. However, most studies included in these reviews are in urban settings...
July 2017: Rural and Remote Health
https://www.readbyqxmd.com/read/28983782/electronic-cigarettes-their-constituents-and-potential-links-to-asthma
#9
REVIEW
Phillip W Clapp, Ilona Jaspers
PURPOSE OF REVIEW: Vaping is gaining popularity in the USA, particularly among teens and young adults. While e-cigs are commonly represented as safer alternatives to tobacco cigarettes, little is known regarding the health effects of their short- or long-term use, especially in individuals with pre-existing respiratory diseases such as asthma. Flavored e-cig liquids (e-liquids) and e-cig aerosols contain airway irritants and toxicants that have been implicated in the pathogenesis and worsening of lung diseases...
October 5, 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28982206/-in-exchange-with-copd-patients-towards-a-patient-oriented-communication
#10
N M Stenzel, K Kenn, G Steinkamp
The quality of life can be severely impaired in patients with COPD. In addition to physical restraints, they often suffer from psychological comorbidities (e. g. anxiety, depression). Psychological comorbidities are often associated with dysfunctional beliefs about the illness and its treatment. Such dysfunctional beliefs, in turn, are likely to negatively affect patients' quality of life as well as their communication with physicians and their illness behavior in general. It is therefore important for physicians to adapt their communication to account for patients' dysfunctional beliefs...
October 5, 2017: Pneumologie
https://www.readbyqxmd.com/read/28979113/comparative-study-on-medical-utilization-and-costs-of-chronic-obstructive-pulmonary-disease-with-good-lung-function
#11
Jeong Uk Lim, Kyungjoo Kim, Sang Hyun Kim, Myung Goo Lee, Sang Yeub Lee, Kwang Ha Yoo, Sang Haak Lee, Ki-Suck Jung, Chin Kook Rhee, Yong Il Hwang
INTRODUCTION: Patients with mild to moderate chronic obstructive pulmonary disease (COPD) are underdiagnosed and undertreated due to the asymptomatic nature of the disease. Previous studies on patients with mild COPD have focused on symptomatic patients. Therefore, in this study, we evaluated the treatment status of patients with early COPD in Korea. MATERIALS AND METHODS: We compared hospital visits, medical costs per person, and COPD medication use by patients with COPD screened from the general population and COPD cohort patients...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28978239/endothelial-function-in-patients-with-chronic-obstructive-pulmonary-disease-a-systematic-review-of-studies-using-flow-mediated-dilatation
#12
Anouk W Vaes, Martijn A Spruit, Jan Theunis, Nandu Goswami, Lowie E Vanfleteren, Frits M E Franssen, Emiel F M Wouters, Patrick De Boever
BACKGROUND: Cardiovascular disease is an important cause of morbidity and mortality in chronic obstructive pulmonary disease (COPD). Endothelial function may be involved in the pathogenesis of cardiovascular disease. In contrast to the attention given to pulmonary endothelial dysfunction, little is known about peripheral vascular changes in COPD. Therefore, we reviewed the literature on peripheral endothelial function in COPD. METHODS: Databases were screened for studies using ultrasound-based flow-mediated dilation (FMD), the reference method for assessing peripheral endothelial function, in stable COPD patients...
October 5, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28976075/survival-significance-of-coexisting-chronic-obstructive-pulmonary-disease-in-patients-with-early-lung-cancer-after-curative-surgery
#13
Hisashi Saji, Tomoyuki Miyazawa, Hiroki Sakai, Yusuke Kimura, Masataka Tsuda, Yoichi Wakiyama, Hideki Marushima, Koji Kojima, Haruhiko Nakamura
BACKGROUND: The impact of chronic obstructive pulmonary disease (COPD) severity on survival after curative resection of early-stage lung cancer (NSCLC) has not been sufficiently elucidated. METHODS: We retrospectively reviewed 250 consecutive patients who underwent lobectomy with lymph nodal dissection for pathological stage I-II NSCLC. RESULTS: Among the COPD patients, 28 were classified as Global Initiative for Chronic Obstructive Lung Disease (GOLD) 1, 21 as GOLD 2, and one as GOLD 3...
October 4, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28974953/poly-adp-ribose-polymerase-1-in-lung-inflammatory-disorders-a-review
#14
REVIEW
Gurupreet S Sethi, Vivek Dharwal, Amarjit S Naura
Asthma, acute lung injury (ALI), and chronic obstructive pulmonary disease (COPD) are lung inflammatory disorders with a common outcome, that is, difficulty in breathing. Corticosteroids, a class of potent anti-inflammatory drugs, have shown less success in the treatment/management of these disorders, particularly ALI and COPD; thus, alternative therapies are needed. Poly(ADP-ribose)polymerases (PARPs) are the post-translational modifying enzymes with a primary role in DNA repair. During the last two decades, several studies have reported the critical role played by PARPs in a good of inflammatory disorders...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28972817/free-breathing-dynamic-19-f-gas-mr-imaging-for-mapping-of-regional-lung-ventilation-in-patients-with-copd
#15
Marcel Gutberlet, Till F Kaireit, Andreas Voskrebenzev, Florian Lasch, Julia Freise, Tobias Welte, Frank Wacker, Jens M Hohlfeld, Jens Vogel-Claussen
Purpose To quantify regional lung ventilation in patients with chronic obstructive pulmonary disease (COPD) by using free-breathing dynamic fluorinated (fluorine 19 [(19)F]) gas magnetic resonance (MR) imaging. Materials and Methods In this institutional review board-approved prospective study, 27 patients with COPD were examined by using breath-hold (19)F gas wash-in MR imaging during inhalation of a normoxic fluorinated gas mixture (perfluoropropane) and by using free-breathing dynamic (19)F gas washout MR imaging after inhalation of the gas mixture was finished for a total of 25-30 L...
October 3, 2017: Radiology
https://www.readbyqxmd.com/read/28971051/respiratory-muscle-strength-in-patients-with-chronic-obstructive-pulmonary-disease
#16
Nam-Sik Kim, Jeong-Hwan Seo, Myoung-Hwan Ko, Sung-Hee Park, Seong-Woong Kang, Yu Hui Won
OBJECTIVE: To compare the respiratory muscle strength between patients with stable and acutely exacerbated (AE) chronic obstructive pulmonary disease (COPD) at various stages. METHODS: A retrospective medical record review was conducted on patients with COPD from March 2014 to May 2016. Patients were subdivided into COPD stages 1-4 according to the Global Initiative for Chronic Obstructive Lung Disease guidelines: mild, moderate, severe, and very severe. A rehabilitation physician reviewed their medical records and initial assessment, including spirometry, maximum inspiratory pressure (MIP), maximum expiratory pressure (MEP), COPD Assessment Test, and modified Medical Research Council scale...
August 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28969859/effects-of-acute-use-of-pursed-lips-breathing-during-exercise-in-patients-with-copd-a-systematic-review-and-meta-analysis
#17
REVIEW
Anamaria Fleig Mayer, Manuela Karloh, Karoliny Dos Santos, Cintia Laura Pereira de Araujo, Aline Almeida Gulart
BACKGROUND: Pursed-lips breathing (PLB) is a ventilatory strategy frequently adopted spontaneously by patients with chronic obstructive pulmonary disease (COPD) to relieve dyspnoea, and its practice is widely taught as a respiratory strategy to increase exercise tolerance. OBJECTIVE: To investigate the effects of acute use of PLB in exercise performance, dyspnoea, ventilatory parameters and oxygen saturation during exercise in patients with COPD. DATA SOURCES: PEDro, EMBASE, MEDLINE via OVID, and EBSCO up to May 2016...
August 31, 2017: Physiotherapy
https://www.readbyqxmd.com/read/28957884/palliative-and-end-of-life-care-for-adults-with-advanced-chronic-obstructive-pulmonary-disease-a-rapid-review-focusing-on-patient-and-family-caregiver-perspectives
#18
Gillian Mathews, Bridget Johnston
PURPOSE OF REVIEW: The aim of the review was to explore patient and family caregiver perspectives on key issues for ensuring quality of end-of-life care for people with chronic obstructive pulmonary disease (COPD). The growing evidence on the value of specialist palliative care services demonstrates significant improvements in treatments and provisions; however, much of the literature is generic in nature or centred on people with a cancer diagnosis. In this review, we examine the literature to ascertain the views and needs of patients and carers affected by advanced COPD, a highly debilitating condition that can have a profoundly negative impact on the quality of end-of-life experience...
September 27, 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28956463/fluticasone-furoate-and-vilanterol-for-the-treatment-of-chronic-obstructive-pulmonary-disease
#19
Gaetano Caramori, Paolo Ruggeri, Paolo Casolari, Kian Fan Chung, Giuseppe Girbino, Ian M Adcock
Current national and international guidelines for the management of patients with stable chronic obstructive pulmonary disease (COPD) recommend the use of inhaled long-acting bronchodilators, inhaled glucocorticoids and their combinations for maintenance treatment of moderate to severe stable COPD. Areas covered: The role of fluticasone furoate (FF) and vilanterol (VI) once daily combination therapy for the regular treatment of patients with stable COPD is discussed in this review. Expert commentary: The regular treatment of moderate to severe stable COPD with once daily FF/VI combination therapy is effective, as seen in in several large placebo-controlled clinical trials involving many thousands of patients...
October 6, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28948026/design-of-the-subpopulations-and-intermediate-outcome-measures-in-copd-spiromics-air-study
#20
Nadia N Hansel, Laura M Paulin, Amanda J Gassett, Roger D Peng, Neil Alexis, Vincent S Fan, Eugene Bleecker, Russell Bowler, Alejandro P Comellas, Mark Dransfield, MeiLan K Han, Victor Kim, Jerry A Krishnan, Cheryl Pirozzi, Christopher B Cooper, Fernando Martinez, Prescott G Woodruff, Patrick J Breysse, R Graham Barr, Joel D Kaufman
INTRODUCTION: Population-based epidemiological evidence suggests that exposure to ambient air pollutants increases hospitalisations and mortality from chronic obstructive pulmonary disease (COPD), but less is known about the impact of exposure to air pollutants on patient-reported outcomes, morbidity and progression of COPD. METHODS AND ANALYSIS: The Subpopulations and Intermediate Outcome Measures in COPD (SPIROMICS) Air Pollution Study (SPIROMICS AIR) was initiated in 2013 to investigate the relation between individual-level estimates of short-term and long-term air pollution exposures, day-to-day symptom variability and disease progression in individuals with COPD...
2017: BMJ Open Respiratory Research
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