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https://www.readbyqxmd.com/read/29227305/lung-transplantation-for-chronic-obstructive-pulmonary-disease-past-present-and-future-directions
#1
Faisal M Siddiqui, Joshua M Diamond
PURPOSE OF REVIEW: Lung transplantation offers an effective treatment modality for patients with end-stage chronic obstructive pulmonary disease (COPD). The exact determination of when to refer, list, and offer transplant as well as the preferred transplant procedure type remains unclear. Additionally, there are special considerations specific to patients with COPD being considered for lung transplantation, including the implications of single lung transplantation on lung cancer risk, native lung hyperinflation, and overall survival...
December 7, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/29221293/distance-saturation-product-of-the-6-minute-walk-test-predicts-mortality-of-patients-with-non-cystic-fibrosis-bronchiectasis
#2
Meng-Heng Hsieh, Yueh-Fu Fang, Fu-Tsai Chung, Chung-Shu Lee, Yu-Chen Chang, Yuan-Zhang Liu, Cheng-Hsien Wu, Horng-Chyuan Lin
Background: Previous surveillance methods to monitor the prognoses of patients with bronchiectasis are too complex for use in daily practice. The 6-minute walk test (6MWT) is a simple exercise test to predict the prognosis of chronic obstructive airway disease and numerous chronic lung diseases, including idiopathic pulmonary fibrosis. No studies have investigated exercise-induced oxygen desaturation (EID) and distance-saturation product (DSP) of 6MWT to predict the prognoses of patients with bronchiectasis...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29213313/agronomic-performance-of-populus-deltoides-trees-engineered-for-biofuel-production
#3
David Macaya-Sanz, Jin-Gui Chen, Udaya C Kalluri, Wellington Muchero, Timothy J Tschaplinski, Lee E Gunter, Sandra J Simon, Ajaya K Biswal, Anthony C Bryan, Raja Payyavula, Meng Xie, Yongil Yang, Jin Zhang, Debra Mohnen, Gerald A Tuskan, Stephen P DiFazio
Background: One of the major barriers to the development of lignocellulosic feedstocks is the recalcitrance of plant cell walls to deconstruction and saccharification. Recalcitrance can be reduced by targeting genes involved in cell wall biosynthesis, but this can have unintended consequences that compromise the agronomic performance of the trees under field conditions. Here we report the results of a field trial of fourteen distinct transgenic Populus deltoides lines that had previously demonstrated reduced recalcitrance without yield penalties under greenhouse conditions...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/29169250/clinical-effects-of-cognitive-impairment-in-patients-with-chronic-obstructive-pulmonary-disease
#4
Esra Ertan Yazar, Senay Aydin, Gulsah Gunluoglu, Sadettin Kamat, Adil Can Gungen, Pinar Yildiz
The aim of this study was to evaluate the clinical effects of cognitive impairment in patients with chronic obstructive pulmonary disease (COPD). A total of 91 patients with stable moderate to very severe COPD were included in this study. Cognitive functions of the patients were evaluated using the mini-mental state examination (MMSE) tool and clock-drawing test. The Brody's Instrumental Activities of Daily Living (IADL) Questionnaire; COPD assessment test (CAT); body mass index, airflow obstruction, dyspnea, and exercise capacity (BODE); and Charlson comorbidity index were assessed...
January 1, 2017: Chronic Respiratory Disease
https://www.readbyqxmd.com/read/29099607/comparison-of-2017-and-2015-global-initiative-for-obstructive-lung-disease-impact-on-grouping-and-outcomes
#5
Carlos Cabrera López, Ciro Casanova Macario, José María Marín Trigo, Juan P de-Torres, Rebeca Sicilia Torres, Jesús María González, Francesca Polverino, Miguel Divo, Victor Pinto Plata, Javier J Zulueta, Bartolomé Celli
INTRODUCTION: The GOLD document has modified the grading system directing pharmacotherapy. But how this relates to the previous one of 2015 and to comorbidities, hospitalizations and mortality risk is unknown. METHODS: We prospectively enrolled and followed for a mean of 5 years, 819 COPD patients (84% male) in clinics in Spain and the United States. We determined anthropometrics, lung function (FEV1%), dyspnea score (mMRC), ambulatory and hospital exacerbations, the BODE and Charlson indexes...
November 3, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29066436/interleukin-6-and-the-risk-of-adverse-outcomes-in-patients-after-an-acute-coronary-syndrome-observations-from-the-solid-timi-52-stabilization-of-plaque-using-darapladib-thrombolysis-in-myocardial-infarction-52-trial
#6
Christina L Fanola, David A Morrow, Christopher P Cannon, Petr Jarolim, Mary Ann Lukas, Christoph Bode, Judith S Hochman, Erica L Goodrich, Eugene Braunwald, Michelle L O'Donoghue
BACKGROUND: Interleukin-6 (IL-6) is an inflammatory cytokine implicated in plaque instability in acute coronary syndrome (ACS). We aimed to evaluate the prognostic implications of IL-6 post-ACS. METHODS AND RESULTS: IL-6 concentration was assessed at baseline in 4939 subjects in SOLID-TIMI 52 (Stabilization of Plaque Using Darapladib-Thrombolysis in Myocardial Infarction 52), a randomized trial of darapladib in patients ≤30 days from ACS. Patients were followed for a median of 2...
October 24, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29054348/survival-of-lung-transplant-candidates-with-copd-bode-score-reconsidered
#7
Robert M Reed, Howard Cabral, Mark Dransfield, Michael Eberlein, Christian Merlo, Matthew J Mulligan, Giora Netzer, Pablo G Sanchez, Steven M Scharf, Don D Sin, Bartholome R Celli
BACKGROUND: The BMI, obstruction, dyspnea, and exercise capacity (BODE) score is used to inform prognostic considerations for lung transplantation for COPD, but it has not been validated in this context. A large proportion of mortality in COPD is attributable to comorbidities that could preclude transplant candidacy. We hypothesized that patients with COPD who are selected as transplant candidates experience better survival than traditional interpretation of BODE scores might indicate...
October 17, 2017: Chest
https://www.readbyqxmd.com/read/28993705/a-vicious-loop-of-fatty-acid-binding-protein-4-and-dna-methyltransferase-1-promotes-acute-myeloid-leukemia-and-acts-as-a-therapeutic-target
#8
F Yan, N Shen, J X Pang, N Zhao, Y W Zhang, A M Bode, A Al-Kali, M R Litzow, B Li, S J Liu
Aberrant DNA methylation mediated by deregulation of DNA methyltransferases (DNMT) is a key hallmark of acute myeloid leukemia (AML), yet efforts to target DNMT deregulation for drug development have lagged. We previously demonstrated that upregulation of fatty acid-binding protein 4 (FABP4) promotes AML aggressiveness through enhanced DNMT1-dependent DNA methylation. Here, we demonstrate that FABP4 upregulation in AML cells occurs through vascular endothelial growth factor (VEGF) signaling, thus elucidating a crucial FABP4-DNMT1 regulatory feedback loop in AML biology...
October 10, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28987858/-effectiveness-of-an-educational-program-for-respiratory-rehabilitation-of-chronic-obstructive-pulmonary-disease-patients-in-primary-care-in-improving-the-quality-of-life-symptoms-and-clinical-risk
#9
Cristina Blánquez Moreno, Cristina Colungo Francia, M Carme Alvira Balada, Belchin Kostov, Luis González-de Paz, Antoni Sisó-Almirall
AIM: To determine the impact of an educational program to improve the management of chronic obstructive pulmonary disease (COPD) that contributes to an increase of the quality of life, exercise capacity, level of dyspnoea, and clinical risk. DESIGN: Intervention study without controls. LOCATION: Primary Healthcare Centre. PARTICIPANTS: 193 patients with COPD were invited, 73 accepted and 55 participated in the educational program...
October 4, 2017: Atencion Primaria
https://www.readbyqxmd.com/read/28947025/patient-related-outcomes-bode-pro-bode-a-composite-index-incorporating-health-utilization-resources-predicts-mortality-and-economic-cost-of-copd-in-real-life
#10
R W Dal Negro, B R Celli
Multidimensional scores were proposed for defining COPD outcomes, but without any incorporation of the economic COPD cost to clinical indices. AIM: using mortality as an outcome, the hypothesis that adding total health care cost to the BODE index would better predict mortality in COPD was investigated. METHODS: 275 COPD patients were surveyed. Anthropometrics, lung function, the BODE and the Charlson Comorbidity Index were determined. History of exacerbations, ER visits, hospitalizations and mortality were also determined over the next three years, being their rates graded and added to the BODE index according to a simple algorithm...
October 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28885054/a-multicenter-rct-of-zephyr%C3%A2-endobronchial-valve-treatment-in-heterogeneous-emphysema-transform
#11
Samuel V Kemp, Dirk-Jan Slebos, Alan Kirk, Malgorzata Kornaszewska, Kris Carron, Lars Ek, Gustav Broman, Gunnar Hillerdal, Herve Mal, Christophe Pison, Amandine Briault, Nicola Downer, Kaid Darwiche, Jagan Rao, Ralf-Harto Hübner, Christof Ruwwe-Glosenkamp, Valéry Trosini-Desert, Ralf Eberhardt, Felix J Herth, Eric Derom, Thomas Malfait, Pallav L Shah, Justin L Garner, Nick H Ten Hacken, Hazem Fallouh, Sylvie Leroy, Charles H Marquette
RATIONALE: Single-center RCTs of Zephyr Endobronchial Valve (EBV) treatment have demonstrated benefit in severe heterogeneous emphysema. This is the first multicenter study evaluating this treatment approach. OBJECTIVES: To evaluate the efficacy and safety of Zephyr EBVs in patients with heterogeneous emphysema and absence of collateral ventilation. METHODS: Prospective, multicenter 2:1 RCT of EBVs plus standard of care or standard of care (SoC) alone...
September 8, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28736151/multi-loop-nonlinear-control-design-for-performance-improvement-of-lti-systems
#12
Raaja Ganapathy Subramanian, Vinodh Kumar Elumalai
This paper puts forward a multi-loop nonlinear control (MLNC) strategy to overcome the limited performance of LTI controllers due to the so-called "waterbed" effect. According to "Bode's sensitivity integral", increasing the bandwidth or additional integral gain of LTI controller to improve the low-frequency disturbance attenuation irrefutably increases the sensitivity to high-frequency disturbances or measurement noise. Hence, it is impossible to attain the best of both worlds in the case of linear controllers...
July 20, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28707983/signs-of-gas-trapping-in-normal-lung-density-regions-in-smokers
#13
Sandeep Bodduluri, Joseph M Reinhardt, Eric A Hoffman, John D Newell, Hrudaya Nath, Mark T Dransfield, Surya P Bhatt
RATIONALE: A substantial proportion of subjects without overt airflow obstruction have significant respiratory morbidity and structural abnormalities on computed tomography (CT). Whether regions of the lung that appear normal using traditional CT criteria have mild disease is not known. OBJECTIVE: To identity subthreshold structural disease in normal appearing lung regions in smokers. METHODS: We analyzed 8034 subjects with complete inspiratory and expiratory CT data participating in COPDGene including 103 lifetime non-smokers...
July 14, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28356278/what-s-normal-oligosaccharide-concentrations-and-profiles-in-milk-produced-by-healthy-women-vary-geographically
#14
COMPARATIVE STUDY
Michelle K McGuire, Courtney L Meehan, Mark A McGuire, Janet E Williams, James Foster, Daniel W Sellen, Elizabeth W Kamau-Mbuthia, Egidioh W Kamundia, Samwel Mbugua, Sophie E Moore, Andrew M Prentice, Linda J Kvist, Gloria E Otoo, Sarah L Brooker, William J Price, Bahman Shafii, Caitlyn Placek, Kimberly A Lackey, Bianca Robertson, Susana Manzano, Lorena Ruíz, Juan M Rodríguez, Rossina G Pareja, Lars Bode
Background: Human milk is a complex fluid comprised of myriad substances, with one of the most abundant substances being a group of complex carbohydrates referred to as human milk oligosaccharides (HMOs). There has been some evidence that HMO profiles differ in populations, but few studies have rigorously explored this variability.Objectives: We tested the hypothesis that HMO profiles differ in diverse populations of healthy women. Next, we examined relations between HMO and maternal anthropometric and reproductive indexes and indirectly examined whether differences were likely related to genetic or environmental variations...
May 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28353374/prediction-of-poor-short-term-prognosis-and-unmet-needs-in-advanced-chronic-obstructive-pulmonary-disease-use-of-the-two-minute-walking-distance-extracted-from-a-six-minute-walk-test
#15
Han-Yee Neo, Hui-Ying Xu, Huei-Yaw Wu, Allyn Hum
OBJECTIVES: Prognostic challenges hinder the identification of patients with advanced chronic obstructive pulmonary disease (COPD) for timely palliative interventions. We postulate that a two-minute derivative (two-minute walking distance [2MWD]) of a standard six-minute walk test (6MWT) can identify frail subjects with poorer survival for early palliative intervention. The primary outcome of interest is mortality at 18 months. Secondary objectives include evaluation of the relationship between the 2MWD and ability to self-care, dyspnea-related disabilities, nutrition, forced expiratory volume in first second (FEV1), quality of life (QoL), and comorbidity burden...
August 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28325638/clinically-significant-bleeding-with-low-dose-rivaroxaban-versus-aspirin-in-addition-to-p2y12-inhibition-in-acute-coronary-syndromes-gemini-acs-1-a-double-blind-multicentre-randomised-trial
#16
E Magnus Ohman, Matthew T Roe, P Gabriel Steg, Stefan K James, Thomas J Povsic, Jennifer White, Frank Rockhold, Alexei Plotnikov, Hardi Mundl, John Strony, Xiang Sun, Steen Husted, Michal Tendera, Gilles Montalescot, M Cecilia Bahit, Diego Ardissino, Héctor Bueno, Marc J Claeys, Jose C Nicolau, Jan H Cornel, Shinya Goto, Róbert Gábor Kiss, Ümit Güray, Duk-Woo Park, Christoph Bode, Robert C Welsh, C Michael Gibson
BACKGROUND: Dual antiplatelet therapy (DAPT), aspirin plus a P2Y12 inhibitor, is the standard antithrombotic treatment following acute coronary syndromes. The factor Xa inhibitor rivaroxaban reduced mortality and ischaemic events when added to DAPT, but caused increased bleeding. The safety of a dual pathway antithrombotic therapy approach combining low-dose rivaroxaban (in place of aspirin) with a P2Y12 inhibitor has not been assesssed in acute coronary syndromes. We aimed to assess rivaroxaban 2·5 mg twice daily versus aspirin 100 mg daily, in addition to clopidogrel or ticagrelor (chosen at investigator discretion before randomisation), for patients with acute coronary syndromes started within 10 days after presentation and continued for 6-12 months...
May 6, 2017: Lancet
https://www.readbyqxmd.com/read/28306684/implementation-and-outcomes-of-a-community-based-pulmonary-rehabilitation-program-in-rural-appalachia
#17
Daniel Doyle, Chaffee Tommarello, Mike Broce, Mary Emmett, Cecil Pollard
PURPOSE: To report on the implementation and clinical outcomes of a community-based pulmonary rehabilitation program in rural Appalachia. METHODS: Three rural health centers and a large referral hospital worked together to establish pulmonary rehabilitation services based on AACVPR guidelines. Each site hired at least 1 respiratory therapist. To measure clinical outcomes, a retrospective medical record study compared pre- and post-program values for the modified Medical Research Council dyspnea level, 6-minute walk test (6MWT), negative inspiratory force (NIF), respiratory disease knowledge, St George Respiratory Questionnaire (SGRQ), BODE index (body mass index, airflow obstruction, dyspnea and exercise capacity), and smoking status...
July 2017: Journal of Cardiopulmonary Rehabilitation and Prevention
https://www.readbyqxmd.com/read/28270543/clinical-and-functional-lung-parameters-associated-with-frequent-exacerbator-phenotype-in-subjects-with-severe-copd
#18
Alberto Capozzolo, Pierluigi Carratù, Silvano Dragonieri, Vito Antonio Falcone, Vitaliano Nicola Quaranta, Vito Liotino, Giuseppina D'Alba, Giorgio Castellana, Onofrio Resta
BACKGROUND: COPD is currently recognized as a syndrome associated with a high prevalence of comorbidities and various phenotypes. Exacerbations are very important events in the clinical history of COPD because they drive the decline in lung function. In the present study, we aim to identify whether there are any clinical and functional specific features of frequent exacerbators in a population of patients with severe COPD. METHODS: We conducted a cross-sectional, case control study...
May 2017: Respiratory Care
https://www.readbyqxmd.com/read/28244013/impact-of-airflow-limitation-in-chronic-heart-failure
#19
S Bektas, F M E Franssen, V van Empel, N Uszko-Lencer, J Boyne, C Knackstedt, H P Brunner-La Rocca
BACKGROUND: Comorbidities are common in chronic heart failure (HF) patients, but diagnoses are often not based on objective testing. Chronic obstructive pulmonary disease (COPD) is an important comorbidity and often neglected because of shared symptoms and risk factors. Precise prevalence and consequences are not well known. Therefore, we investigated prevalence, pulmonary treatment, symptoms and quality of life (QOL) of COPD in patients with chronic HF. METHODS: 205 patients with stable HF for at least 1 month, aged above 50 years, were included from our outpatient cardiology clinic, irrespective of left ventricular ejection fraction...
May 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28243079/can-we-predict-the-prognosis-of-copd-with-a-routine-blood-test
#20
MULTICENTER STUDY
Wei Xiong, Mei Xu, Yunfeng Zhao, Xueling Wu, Bigyan Pudasaini, Jin-Ming Liu
BACKGROUND: The major characteristic of COPD is systemic inflammation. The parameters such as neutrophil-to-lymphocyte ratio (NLR) and eosinophil-to-basophil ratio (EBR) in routine blood test (RBT) are considered to be the underlying biomarkers of inflammation. We hypothesized that the prognosis of patients with COPD can be predicted with RBT. METHODS: Patients with COPD in stable stage were enrolled. The RBT, pulmonary function testing (PFT), BODE index, C-reactive protein (CRP), procalcitonin, and erythrocyte sedimentation rate (ESR) were performed at enrollment and every follow-up once in every 3 months during the 24-month follow-up period...
2017: International Journal of Chronic Obstructive Pulmonary Disease
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