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AECOPD

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https://www.readbyqxmd.com/read/28432209/a-prospective-observational-cohort-study-of-the-seasonal-dynamics-of-airway-pathogens-in-the-aetiology-of-exacerbations-in-copd
#1
Tom M A Wilkinson, Emmanuel Aris, Simon Bourne, Stuart C Clarke, Mathieu Peeters, Thierry G Pascal, Sonia Schoonbroodt, Andrew C Tuck, Viktoriya Kim, Kristoffer Ostridge, Karl J Staples, Nicholas Williams, Anthony Williams, Stephen Wootton, Jeanne-Marie Devaster
BACKGROUND: The aetiology of acute exacerbations of COPD (AECOPD) is incompletely understood. Understanding the relationship between chronic bacterial airway infection and viral exposure may explain the incidence and seasonality of these events. METHODS: In this prospective, observational cohort study (NCT01360398), patients with COPD aged 40-85 years underwent sputum sampling monthly and at exacerbation for detection of bacteria and viruses. Results are presented for subjects in the full cohort, followed for 1 year...
April 21, 2017: Thorax
https://www.readbyqxmd.com/read/28429628/relationship-of-steroid-dosing-and-duration-of-mechanical-ventilation-in-adult-patients-with-acute-exacerbations-of-chronic-obstructive-pulmonary-disease
#2
Jennifer McCann, Katherine Teare, Emily Cochard, Brent Toney
BACKGROUND: The optimal steroid dose for patients who require mechanical ventilation (MV) for acute exacerbation of chronic obstructive pulmonary disease (AECOPD) is unknown. OBJECTIVE: The primary objective of the study is to describe the relationship between steroid doses prescribed and duration of MV. METHODS: This was a retrospective study of patients admitted between October 2013 and September 2014 who were prescribed steroids and received MV for ≥48 hours for AECOPD...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28412680/study-on-effect-of-combivent-combined-with-glucocorticoids-in-the-treatment-of-patients-with-aecopd
#3
Xin Zhao, Hongling Wang, Dalu Song, Yanwei Wang, Hong Yu, Shuhong Yu
We observed the effect of Combivent combined with glucocorticoids in the treatment of patients with AECOPD to explore a better drug treatment for AECOPD. The clinical observation of two clinical curative effective was carried out. Firstly, 100 patients were equally divided into treatment group and control group, who were given basic treatment. The control group was treated with inhalation of salbutamol sulfate and the other was with inhalation of Combivent and glucocorticoid. The clinical effect, dyspnea score, PaO2, PaCO2 and pulmonary function index were observed and compared...
November 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28406710/suboptimal-inspiratory-flow-rates-are-associated-with-chronic-obstructive-pulmonary-disease-and-all-cause-readmissions
#4
Chee H Loh, Stephen P Peters, Tina M Lovings, Jill A Ohar
RATIONALE: Dry powdered inhalers (DPIs) are prescribed after hospitalization for acute exacerbation of COPD (AECOPD). Peak inspiratory flow (PIF) affects DPI delivery. OBJECTIVES: To study the impact of PIF on readmission after hospitalization for AECOPD. METHODS: A retrospective analysis of hospitalized patients, enrolled in an AECOPD care plan, was performed. Data analyzed included PIF, age, gender, length of stay, Charlson Comorbidity Index, COPD Assessment Test (CAT) and Modified Medical Research Council score, % predicted FEV1, FVC and inspiratory capacity (IC)...
April 13, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28403845/hemosiderin-in-sputum-macrophages-may-predict-infective-exacerbations-of-chronic-obstructive-pulmonary-disease-a-retrospective-observational-study
#5
Sindu Mohan, Terence Ho, Melanie Kjarsgaard, Katherine Radford, A S M Borhan, Lehana Thabane, Parameswaran Nair
BACKGROUND: Infective exacerbations of COPD are common and are accompanied by neutrophilic bronchitis in sputum. Increased respiratory iron content has been associated with respiratory tract infection, though it is unclear if this represents a predisposing factor for infection or the sequelae of inflammation. Iron overload, as assessed in the airways, may be an important biomarker for recurrent infective exacerbations of COPD. The purpose of our study was to determine if hemosiderin in sputum macrophages is related to infective exacerbations of COPD...
April 12, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28401645/body-composition-and-micronutrient-deficiencies-in-patients-with-an-acute-exacerbation-of-chronic-obstructive-pulmonary-disease
#6
Charith Horadagoda, Timothy Dinihan, Mary Roberts, Kristina Kairaitis
Chronic obstructive pulmonary disease (COPD) is a multisystem disorder. Abnormal body composition (BC) and low serum micronutrient levels contribute significantly to morbidity associated with acute exacerbations of COPD (AECOPD). The BC and serum levels of selected micronutrients were recorded in prospective, consecutive patients admitted to hospital with an AECOPD in Western Sydney. 94 patients were enrolled, 43% female, the average age was 69.8 ± 8.2years(SD). Admission spirometry revealed a mean spirometric ratio of 0...
April 12, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28395404/-prevalence-and-risk-factors-of-respiratory-viral-infection-in-acute-exacerbation-of-chronic-obstructive-pulmonary-disease
#7
X B Du, X Ma, Y Gao, L F Wen, J Li, Z Z Wang, S Liu
Objective: To study the prevalence of respiratory viral infection in chronic obstructive pulmonary disease(COPD) exacerbations and to find the factors associated with susceptibility to viral infections. Methods: Eighty patients with exacerbations of COPD and 50 stable COPD patients were recruited. Nasopharyngeal swabs were tested for a range of 18 different respiratory viruses using PCR. Results: Among the COPD exacerbations, viral infection was detected in 18 episodes (22.5%) . The most common virus was rhinovirus (33...
April 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28392685/the-recent-advances-of-phenotypes-in-acute-exacerbations-of-copd
#8
REVIEW
Aiyuan Zhou, Zijing Zhou, Yiyang Zhao, Ping Chen
Exacerbations of COPD are clinically relevant events with therapeutic and prognostic implications. Yet, significant heterogeneity of clinical presentation and disease progression exists within acute exacerbations of COPD (AECOPD). Currently, different phenotypes have been widely used to describe the characteristics among patients with AECOPD. This has proved to be significant in the treatment and prediction of the outcomes of the disease. In this review of published literature, the phenotypes of AECOPD were classified according to etiology, inflammatory biomarkers, clinical manifestation, comorbidity, the frequency of exacerbations, and so on...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28388306/premature-ventricular-complex-is-more-prevalent-during-acute-exacerbated-than-stable-states-of-chronic-obstructive-pulmonary-disease-and-is-related-to-cardiac-troponin-t
#9
Gunnar Einvik, Rahul Bhatnagar, Nils Henrik Holmedahl, Anke Neukamm, Torbjørn Omland, Vidar Søyseth
During acute exacerbation of chronic obstructive pulmonary disease (AECOPD), myocardial stress may be aggravated. Sparse data exist concerning the prevalence and correlates of cardiac arrhythmias in the stable and exacerbated states of COPD. We hypothesized that AECOPD is associated with increased prevalence of cardiac arrhythmias independent of COPD-severity and co-morbidity, and explored possible mechanisms. A 24-hour Holter recording was obtained in 74 patients with stable COPD and 45 patients with AECOPD (mean age 54 years, 56% women)...
April 7, 2017: COPD
https://www.readbyqxmd.com/read/28352642/the-expression-of-il-6-tnf-%C3%AE-and-mcp-1-in-respiratory-viral-infection-in-acute-exacerbations-of-chronic-obstructive-pulmonary-disease
#10
Jingtong Zheng, Yue Shi, Lingxin Xiong, Weijie Zhang, Ying Li, Peter G Gibson, Jodie L Simpson, Chao Zhang, Junying Lu, Jingying Sai, Guoqiang Wang, Fang Wang
Viral infection is a common trigger for acute exacerbations of chronic obstructive pulmonary disease (AECOPD). The aim of this study is to investigate the expression of cytokines in AECOPD. Patients with AECOPD requiring hospitalization were recruited. Meanwhile healthy volunteers of similar age that accepted routine check-ups and showed no clinical symptoms of inflammatory diseases were also recruited. Induced sputum and serum were collected. Induced sputum of participants was processed and tested for thirteen viruses and bacteria...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28342288/the-role-of-acute-and-chronic-respiratory-colonization-and-infections-in-the-pathogenesis-of-copd
#11
REVIEW
Janice M Leung, Pei Yee Tiew, Micheál Mac Aogáin, Kurtis F Budden, Valerie Fei Lee Yong, Sangeeta S Thomas, Kevin Pethe, Philip M Hansbro, Sanjay H Chotirmall
COPD is a major global concern, increasingly so in the context of ageing populations. The role of infections in disease pathogenesis and progression is known to be important, yet the mechanisms involved remain to be fully elucidated. While COPD pathogens such as Haemophilus influenzae, Moraxella catarrhalis and Streptococcus pneumoniae are strongly associated with acute exacerbations of COPD (AECOPD), the clinical relevance of these pathogens in stable COPD patients remains unclear. Immune responses in stable and colonized COPD patients are comparable to those detected in AECOPD, supporting a role for chronic colonization in COPD pathogenesis through perpetuation of deleterious immune responses...
March 25, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28328968/c-reactive-protein-and-n-terminal-prohormone-brain-natriuretic-peptide-as-biomarkers-in-acute-exacerbations-of-copd-leading-to-hospitalizations
#12
Yu-Wei Roy Chen, Virginia Chen, Zsuzsanna Hollander, Jonathon A Leipsic, Cameron J Hague, Mari L DeMarco, J Mark FitzGerald, Bruce M McManus, Raymond T Ng, Don D Sin
There are currently no accepted and validated blood tests available for diagnosing acute exacerbations of chronic obstructive pulmonary disease (AECOPD). In this study, we sought to determine the discriminatory power of blood C-reactive protein (CRP) and N-terminal prohormone brain natriuretic peptide (NT-proBNP) in the diagnosis of AECOPD requiring hospitalizations. The study cohort consisted of 468 patients recruited in the COPD Rapid Transition Program who were hospitalized with a primary diagnosis of AECOPD, and 110 stable COPD patients who served as controls...
2017: PloS One
https://www.readbyqxmd.com/read/28328824/early-use-of-noninvasive-techniques-for-clearing-respiratory-secretions-during-noninvasive-positive-pressure-ventilation-in-patients-with-acute-exacerbation-of-chronic-obstructive-pulmonary-disease-and-hypercapnic-encephalopathy-a-prospective-cohort-study
#13
Jinrong Wang, Zhaobo Cui, Shuhong Liu, Xiuling Gao, Pan Gao, Yi Shi, Shufen Guo, Peipei Li
Noninvasive positive-pressure ventilation (NPPV) might be superior to conventional mechanical ventilation (CMV) in patients with acute exacerbations of chronic obstructive pulmonary disease (AECOPDs). Inefficient clearance of respiratory secretions provokes NPPV failure in patients with hypercapnic encephalopathy (HE). This study compared CMV and NPPV combined with a noninvasive strategy for clearing secretions in HE and AECOPD patients.The present study is a prospective cohort study of AECOPD and HE patients enrolled between October 2013 and August 2015 in a critical care unit of a major university teaching hospital in China...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28298400/antimicrobial-peptide-levels-are-linked-to-airway-inflammation-bacterial-colonisation-and-exacerbations-in-chronic-obstructive-pulmonary-disease
#14
Louise J P Persson, Marianne Aanerud, Jon A Hardie, Roy Miodini Nilsen, Per S Bakke, Tomas M Eagan, Pieter S Hiemstra
Antimicrobial peptides (AMPs) are effectors of host defence against infection, inflammation and wound repair. We aimed to study AMP levels in stable chronic obstructive pulmonary disease (COPD) and during acute exacerbations of COPD (AECOPD), and to examine their relation to clinical parameters and inflammatory markers.The 3-year Bergen COPD Cohort Study included 433 COPD patients and 325 controls. Induced sputum was obtained and analysed for levels of the AMPs human cathelicidin (hCAP18/LL-37) and secretory leukocyte protease inhibitor (SLPI), and for the inflammatory markers interleukin (IL)-8, IL-6 and tumour necrosis factor-α (TNF-α) using immunoassays...
March 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28265524/relationship-between-severity-classification-of-acute-exacerbation-of-chronic-obstructive-pulmonary-disease-and-clinical-outcomes-in-hospitalized-patients
#15
Pedro J Marcos, Pilar Sanjuán, Arturo Huerta, Irene Nieto-Codesido, Lucía Ferreira-Gonzalez, Oriol Sibila, Marcos I Restrepo
BACKGROUND: Limited data are available regarding the impact of the potential validation of the Canadian Thoracic Society (CTS) guidelines recommendations in classifying patients with an acute exacerbation of chronic obstructive pulmonary disease (AECOPD) in simple and complex. The aim of the present study was to assess the CTS recommendations regarding risk stratification on clinical outcomes among patients hospitalized with an AECOPD. METHODS: We developed a retrospective cohort study of patients admitted to one tertiary hospital with a diagnosis of AECOPD...
January 22, 2017: Curēus
https://www.readbyqxmd.com/read/28255962/bringing-stability-to-the-chronic-obstructive-pulmonary-disease-patient-clinical-and-pharmacological-considerations-for-frequent-exacerbators
#16
REVIEW
Swati Gulati, J Michael Wells
Acute exacerbations of chronic obstructive pulmonary disease (AECOPD) are critical events associated with an accelerated loss of lung function, increased morbidity, and excess mortality. AECOPD are heterogeneous in nature and this may directly impact clinical decision making, specifically in patients with frequent exacerbations. A 'frequent exacerbator' is a sub-phenotype of chronic obstructive pulmonary disease (COPD) and is defined as an individual who experiences two or more moderate-to-severe exacerbations per year...
April 2017: Drugs
https://www.readbyqxmd.com/read/28251670/retrospective-audit-of-antimicrobial-prescribing-practices-for-acute-exacerbations-of-chronic-obstructive-pulmonary-diseases-in-a-large-regional-hospital
#17
D J Brownridge, S T R Zaidi
WHAT IS KNOWN AND OBJECTIVE: Chronic obstructive pulmonary disease (COPD) is associated with significant morbidity and mortality, and frequent exacerbations are associated with an increased risk of death, deterioration in lung function and reduced quality of life. Current Australian guidelines developed by the Lung Foundation of Australia (the COPD-X Plan) recommends the use of a short course of corticosteroids and oral antibiotics (amoxycillin or doxycycline) as part of the treatment of an AECOPD; however, it was noted that clinical practice at the study hospital had deviated from these guidelines...
March 1, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28235886/the-pearl-score-predicts-90-day-readmission-or-death-after-hospitalisation-for-acute-exacerbation-of-copd
#18
C Echevarria, J Steer, K Heslop-Marshall, S C Stenton, P M Hickey, R Hughes, M Wijesinghe, R N Harrison, N Steen, A J Simpson, G J Gibson, S C Bourke
BACKGROUND: One in three patients hospitalised due to acute exacerbation of COPD (AECOPD) is readmitted within 90 days. No tool has been developed specifically in this population to predict readmission or death. Clinicians are unable to identify patients at particular risk, yet resources to prevent readmission are allocated based on clinical judgement. METHODS: In participating hospitals, consecutive admissions of patients with AECOPD were identified by screening wards and reviewing coding records...
February 24, 2017: Thorax
https://www.readbyqxmd.com/read/28209042/-determination-of-biomarkers-in-exhaled-breath-condensation-of-acute-exacerbation-of-chronic-obstructive-pulmonary-disease-and-its-clinical-implications
#19
X Q Dong, Q Shen, Y N Yao, J J Chen, G H Lu, J Y Zhou
Objective: To analyse the changes and clinical implication of biomarkers in exhaled breath condensates (EBC) of acute exacerbation of chronic obstructive pulmonary disease (AECOPD) before and after treatment. Methods: 20 patients with AECOPD were enrolled, including 15 males and 5 females. The average age was 71±10, ranging from 50-85. The concentrations of Leukotriene B4 (LTB4) and Interleukin 6 (IL-6) from EBC were assayed by ELISA kit before and after treatment. Serum inflammatory indexes, pulmonary function test and quality of life (CAT) were observed at the same time, the relationship between EBC biomarkers and clinical markers were investigated...
February 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28203071/long-acting-bronchodilators-with-or-without-inhaled-corticosteroids-and-30-day-readmission-in-patients-hospitalized-for-copd
#20
Raju Bishwakarma, Wei Zhang, Yong-Fang Kuo, Gulshan Sharma
BACKGROUND: The ability of a long-acting muscarinic antagonist (LAMA) and long-acting beta 2 agonists (LABAs; long-acting bronchodilators, LABDs) with or without inhaled corticosteroids (ICSs) to reduce early readmission in hospitalized patients with COPD is unknown. METHODS: We studied a 5% sample of Medicare beneficiaries enrolled in Medicare parts A, B and D and hospitalized for COPD in 2011. We examined prescriptions filled for LABDs with or without ICSs (LABDs±ICSs) within 90 days prior to and 30 days after hospitalization...
2017: International Journal of Chronic Obstructive Pulmonary Disease
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