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Ventilation in COPD

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https://www.readbyqxmd.com/read/28210321/telemedicine-in-chronic-obstructive-pulmonary-disease
#1
Nicolino Ambrosino, Guido Vagheggini, Stefano Mazzoleni, Michele Vitacca
: Telemedicine is a medical application of advanced technology to disease management. This modality may provide benefits also to patients with chronic obstructive pulmonary disease (COPD). Different devices and systems are used. The legal problems associated with telemedicine are still controversial. Economic advantages for healthcare systems, though potentially high, are still poorly investigated. A European Respiratory Society Task Force has defined indications, follow-up, equipment, facilities, legal and economic issues of tele-monitoring of COPD patients including those undergoing home mechanical ventilation...
December 2016: Breathe
https://www.readbyqxmd.com/read/28209038/-a-comparison-of-leak-compensation-in-six-acute-care-ventilators-during-non-invasive-ventilation
#2
X S Hu, Y Wang, Z T Wang, P Yan, X G Zhang, S F Zhao, F Xie, H J Gu, L X Xie
Objective: To compare the ability of leak compensation in 6 medical ventilators during non-invasive ventilation. Methods: Six medical ventilators were selected, including 3 non-invasive ventilators (V60, Flexo and Stellar150), and 3 invasive ventilators(Avea, Servo I and BellaVist). Using a lung simulator, the ability of leak compensation was evaluated during triggering and cycling in 2 respiratory mechanics conditions (high airway resistance condition and high elastance resistance condition), and each condition was performed under 2 PEEP levels (4, and 8 cmH(2)O, 1 mmHg=0...
February 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28209037/-lung-function-influenced-the-prognosis-of-cardiac-surgery-in-patients-with-chronic-obstructive-pulmonary-disease
#3
C T Wu, J H Zhao, D Wei, Y X Shi, G F Zhu
Objective: To investigate the value of lung function for the prognosis of cardiac surgery in patients with chronic obstructive pulmonary disease(COPD). Methods: A retrospective analysis was conducted on the hospitalized patients with coronary heart disease or valvular heart disease in Beijing Anzhen hospital during Janury 2013 to December 2015. The relationship between lung function and extubation time, time of staying in ICU, second time tracheal incubation, tracheotomy and mortality rate were analyzed. Results: There were 355 patients without surgery in a total 1 729 of patients, of which 65 (18...
February 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28207845/reproducibility-and-comparison-of-oxygen-enhanced-t1-quantification-in-copd-and-asthma-patients
#4
Simon M F Triphan, Bertram J Jobst, Angela Anjorin, Oliver Sedlaczek, Ursula Wolf, Maxim Terekhov, Christian Hoffmann, Sebastian Ley, Christoph Düber, Jürgen Biederer, Hans-Ulrich Kauczor, Peter M Jakob, Mark O Wielpütz
T1 maps have been shown to yield useful diagnostic information on lung function in patients with chronic obstructive pulmonary disease (COPD) and asthma, both for native T1 and ΔT1, the relative reduction while breathing pure oxygen. As parameter quantification is particularly interesting for longitudinal studies, the purpose of this work was both to examine the reproducibility of lung T1 mapping and to compare T1 found in COPD and asthma patients using IRSnapShotFLASH embedded in a full MRI protocol. 12 asthma and 12 COPD patients (site 1) and further 15 COPD patients (site 2) were examined on two consecutive days...
2017: PloS One
https://www.readbyqxmd.com/read/28206676/thoracic-ct-mri-co-registration-for-regional-pulmonary-structure-function-measurements-of-obstructive-lung-disease
#5
Fumin Guo, Sarah Svenningsen, Miranda Kirby, Dante P I Capaldi, Khadija Sheikh, Aaron Fenster, Grace Parraga
PURPOSE: Recent pulmonary imaging research has revealed that in patients with chronic obstructive pulmonary disease (COPD) and asthma, structural and functional abnormalities are spatially heterogeneous. This novel information may help optimize treatment in individual patients, monitor interventional efficacy and develop new treatments. Moreover, by automating the measurement of regional biomarkers for the 19 different anatomical lung segments, there is an opportunity to embed imaging biomarkers into clinically-acceptable clinical workflows and improve lung disease clinical care...
February 16, 2017: Medical Physics
https://www.readbyqxmd.com/read/28203019/-investigation-of-risk-factors-of-acute-kidney-injury-after-off-pump-coronary-artery-bypass-grafting-and-3-years-follow-up
#6
X H Li, F Xiao, S Y Zhang
OBJECTIVE: To investigate the incidence rate and risk factors of acute kidney injury (AKI) after off-pump coronary artery bypass grafting (CABG),and to compare the effects of AKI on complications after operation and major adverse cardiovascular and cerebrovascular events (MACCE) after 3 years' follow-up. METHODS: In the study, 299 consecutive patients who underwent scheduled off-pump CABG from January 2010 to March 2012 were included. The patients were divided into AKI group with AKI and control group without AKI after operation...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28187049/fiber-bundle-design-for-an-integrated-wearable-artificial-lung
#7
Shalv P Madhani, Brian J Frankowski, William J Federspiel
Mechanical ventilation and ECMO are the only viable treatment options for lung failure patients at the end stage, including ARDS and COPD. These treatments however are associated with high morbidity and mortality due to long wait times for lung transplant. Contemporary clinical literature has shown ambulation improves post-transplant outcomes in lung failure patients. Given this, we are developing the PAAL, a truly wearable artificial lung that allows for ambulation. In this study, we targeted 180 ml/min oxygenation and determined the form factor for a hollow fiber membrane (HFM) bundle for the PAAL...
February 7, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28178959/il-8-predicts-early-mortality-in-patients-with-acute-hypercapnic-respiratory-failure-treated-with-noninvasive-positive-pressure-ventilation
#8
Brynja Jónsdóttir, Åsa Jaworowski, Carmen San Miguel, Olle Melander
BACKGROUND: Patients with Acute Hypercapnic Respiratory Failure (AHRF) who are unresponsive to appropriate medical treatment, are often treated with Noninvasive Positive Pressure Ventilation (NPPV). Clinical predictors of the outcome of this treatment are scarce. Therefore, we evaluated the role of the biomarkers IL-8 and GDF-15 in predicting 28-day mortality in patients with AHRF who receive treatment with NPPV. METHODS: The study population were 46 patients treated with NPPV for AHRF...
February 8, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28166828/a-psychological-intervention-to-promote-acceptance-and-adherence-to-non-invasive-ventilation-in-people-with-chronic-obstructive-pulmonary-disease-study-protocol-of-a-randomised-controlled-trial
#9
Eleonora Volpato, Paolo Banfi, Francesco Pagnini
BACKGROUND: People with chronic obstructive pulmonary disease (COPD) sometimes experience anxiety, depression and comorbid cognitive deficits. Rather than being merely a consequence of symptom-related physical impairments these additional problems may be part of the clinical course of the condition. The relationship between the physical and psychological aspects of the condition is illustrated by the patterns of use of non-invasive ventilation (NIV); NIV is often rejected or used inappropriately, resulting in clinical deterioration and an increase in health care costs...
February 6, 2017: Trials
https://www.readbyqxmd.com/read/28164259/five-year-mortality-in-patients-treated-for-severe-community-acquired-pneumonia-a-retrospective-study
#10
H Lenz, G O Norby, V Dahl, T E Ranheim, R E Haagensen
BACKGROUND: The mortality rate in patients with severe community-acquired pneumonia (SCAP) is high. We investigated the 5-year mortality rate and causes of death in a patient population treated for SCAP in our intensive care unit (ICU), and compared the mortality rate in patients with or without chronic obstructive pulmonary disease (COPD) as comorbidity. METHODS: This retrospective study, which covers a period of 10 years, included patients aged > 18 years admitted to our ICU with SCAP as primary diagnosis and in need of mechanical ventilation for more than 24 h...
February 5, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28158267/trends-in-assisted-ventilation-and-outcome-for-obstructive-pulmonary-disease-exacerbations-a-nationwide-study
#11
Anne Pernille Toft-Petersen, Christian Torp-Pedersen, Ulla Møller Weinreich, Bodil Steen Rasmussen
BACKGROUND: Non-invasive ventilation (NIV) has been used for decades in treatment of exacerbations of chronic obstructive pulmonary disease (COPD). The impact of the changing use of assisted ventilation in acute exacerbations on outcomes has not been fully elucidated and we aimed to describe these changes in the Danish population and describe their consequences for mortality. METHODS: A register-based study was conducted of a cohort of 12,847 patients admitted for acute exacerbation of COPD (AECOPD) from 2004 through 2011, treated with invasive mechanical ventilation (IMV) or NIV for the first time...
2017: PloS One
https://www.readbyqxmd.com/read/28144134/evaluation-of-carbon-dioxide-rebreathing-during-exercise-assisted-by-noninvasive-ventilation-with-plateau-exhalation-valve
#12
Yong-Er Ou, Zhi-Min Lin, Dong-Ming Hua, Ying Jiang, Ya-Ting Huo, Qun Luo, Rong-Chang Chen
Noninvasive ventilation with a plateau exhalation valve (PEV) is often used as an adjunct to exercise to achieve a physiologic training effect in severe chronic obstructive pulmonary disease (COPD) patients. However, during exercise, with the increase of exhalation flow and respiratory rate and limited capability of PEV to exhale gases out of the circuit, it is still unknown whether CO2 rebreathing occurs in COPD patients ventilated during exercise assisted by single-limb circuit with a PEV. A maximal symptom-limited cycle exercise test was performed while ventilated on pressure support (inspiratory:expiratory pressure 14:4 cmH2O) in 18 male patients with stable severe COPD (mean ± standard deviation, forced expiratory volume in 1 s: 29...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28144052/evaluation-of-plasma-leptin-tumor-necrosis-factor-%C3%AE-and-prealbumin-as-prognostic-biomarkers-during-clinical-recovery-from-acute-exacerbations-of-chronic-obstructive-pulmonary-disease
#13
Anant Mohan, Sneh Arora, Arvind Uniyal, Rosemary Poulose, Kalpana Luthra, R M Pandey, Randeep Guleria
BACKGROUND: Inflammatory and nutritional biomarkers have an important bearing on outcomes of acute exacerbations of chronic obstructive pulmonary disease (AECOPD), but the temporal profile of these compounds during an acute episode is unclear. PATIENTS AND METHODS: Plasma leptin, prealbumin, and tumor necrosis factor-alpha (TNF-α) were estimated at baseline and before hospital discharge in patients with AECOPD. RESULTS: A total of 82 patients were evaluated (66 males; mean (standard deviation) age, 61...
January 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/28138234/respiratory-muscle-activity-and-patient-ventilator-asynchrony-during-different-settings-of-noninvasive-ventilation-in-stable-hypercapnic-copd-does-high-inspiratory-pressure-lead-to-respiratory-muscle-unloading
#14
Marieke L Duiverman, Anouk S Huberts, Leo A van Eykern, Gerrie Bladder, Peter J Wijkstra
INTRODUCTION: High-intensity noninvasive ventilation (NIV) has been shown to improve outcomes in stable chronic obstructive pulmonary disease patients. However, there is insufficient knowledge about whether with this more controlled ventilatory mode optimal respiratory muscle unloading is provided without an increase in patient-ventilator asynchrony (PVA). PATIENTS AND METHODS: Ten chronic obstructive pulmonary disease patients on home mechanical ventilation were included...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28137487/inspiratory-muscle-training-during-rehabilitation-in-successfully-weaned-hypercapnic-patients-with-copd
#15
Dominic Dellweg, Karina Reissig, Ekkehard Hoehn, Karsten Siemon, Peter Haidl
BACKGROUND: This study is aimed to evaluate the effect of inspiratory muscle training (IMT) added to rehabilitation in patients with chronic obstructive pulmonary disease (COPD) who remain hypercapnic and use non-invasive ventilation after successful weaning. METHODS: Patients received rehabilitation and were randomized to inspiratory muscle or sham training for 4 weeks. The primary outcome was distance walked within 6 min. Secondary outcomes were inspiratory muscle strength, endurance, lung function, and blood gas levels...
February 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28132075/extracorporeal-carbon-dioxide-removal-ecco2r-in-patients-with-acute-respiratory-failure
#16
REVIEW
Andrea Morelli, Lorenzo Del Sorbo, Antonio Pesenti, V Marco Ranieri, Eddy Fan
PURPOSE: To review the available knowledge related to the use of ECCO2R as adjuvant strategy to mechanical ventilation (MV) in various clinical settings of acute respiratory failure (ARF). METHODS: Expert opinion and review of the literature. RESULTS: ECCO2R may be a promising adjuvant therapeutic strategy for the management of patients with severe exacerbations of COPD and for the achievement of protective or ultra-protective ventilation in patients with ARDS without life-threatening hypoxemia...
January 28, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28123947/nasal-high-flow-therapy-for-type-ii-respiratory-failure-in-copd-a-report-of-four-cases
#17
Ivan Pavlov, Patrice Plamondon, Stéphane Delisle
Herein we present a report of four cases of severe type II respiratory failure that had contraindications both to conventional non-invasive ventilation and to endotracheal intubation. In all four cases, we successfully used a high-flow nasal oxygen device as a rescue device, with very reassuring outcomes.
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28121374/lobe-based-image-reconstruction-in-electrical-impedance-tomography
#18
Benjamin Schullcke, Bo Gong, Sabine Krueger-Ziolek, Merryn Tawhai, Andy Adler, Ullrich Mueller-Lisse, Knut Moeller
PURPOSE: Electrical Impedance Tomography (EIT) is an imaging modality used to generate two-dimensional cross-sectional images representing impedance change in the thorax. The impedance of lung tissue changes with change in air content of the lungs; hence, EIT can be used to examine regional lung ventilation in patients with abnormal lungs. In lung EIT, electrodes are attached around the circumference of the thorax to inject small alternating currents and measure resulting voltages. In contrast to X-ray computed tomography (CT), EIT images do not depict a thorax slice of well defined thickness, but instead visualize a lens-shaped region around the electrode plane, which results from diffuse current propagation in the thorax...
December 9, 2016: Medical Physics
https://www.readbyqxmd.com/read/28114193/the-homburg-lung-efficacy-and-safety-of-a-minimal-invasive-pump-driven-device-for-veno-venous-extracorporeal-carbon-dioxide-removal
#19
Frederik Seiler, Franziska Trudzinski, Kai Hennemann, Tom Niermeyer, Christian Schmoll, Annegret Kamp, Robert Bals, Ralf Muellenbach, Hendrik Haake, Philipp M Lepper
Extracorporeal carbon dioxide removal (ECCO2R) is increasingly considered a viable therapeutic approach in the management of hypercapnic lung failure in order to avoid intubation or to allow lung-protective ventilator settings. This study aimed to analyze efficacy and safety of a minimal-invasive ECCO2R device, the Homburg lung. The Homburg lung is a pump-driven system for veno-venous ECCO2R with ¼" tubing and a 0.8 m surface oxygenator. Vascular access is usually established via a 19F/21cm bilumen cannula in the right internal jugular vein...
January 19, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28107411/xenon-enhanced-dual-energy-ct-imaging-in-combined-pulmonary-fibrosis-and-emphysema
#20
Keishi Sugino, Masahiro Kobayashi, Yasuhiko Nakamura, Kyoko Gocho, Fumiaki Ishida, Kazutoshi Isobe, Nobuyuki Shiraga, Sakae Homma
BACKGROUND: Little has been reported on the feasibility of xenon-enhanced dual-energy computed tomography (Xe-DECT) in the visual and quantitative analysis of combined pulmonary fibrosis and emphysema (CPFE). OBJECTIVES: We compared CPFE with idiopathic pulmonary fibrosis (IPF) and chronic obstructive pulmonary disease (COPD), as well as correlation with parameters of pulmonary function tests (PFTs). METHODS: Studied in 3 groups were 25 patients with CPFE, 25 with IPF without emphysema (IPF alone), 30 with COPD...
2017: PloS One
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