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Acute respiratory distress syndrom

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https://www.readbyqxmd.com/read/28227454/importance-of-metabolism-variations-in-a-model-of-extracorporeal-carbon-dioxide-removal
#1
S Habran, Th Desaive, Ph Morimont, B Lambermont, P C Dauby, S Habran, T Desaive, Ph Morimont, B Lambermont, P C Dauby, S Habran, Th Desaive, B Lambermont, P C Dauby, Ph Morimont
Extracorporeal CO2 Removal device is used in clinics when a patient suffers from a pulmonary insufficiency like Acute Respiratory Distress Syndrome and allows to decarboxylate blood externally. In this work, a model of the respiratory system coupled with such a device is proposed to analyze the decrease of CO2 partial pressure in blood. To validate the model, some parameters are estimated thanks to experimental data. Metabolism is a crucial parameter and we show that its time evolution must be taken into account in order to have correct CO2 partial pressure simulations in arteries and in veins...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227083/creating-virtual-ards-patients
#2
Anup Das, Mainul Haque, Marc Chikhani, Wenfei Wang, Jonathan G Hardman, Declan G Bates, Anup Das, Mainul Haque, Marc Chikhani, Wenfei Wang, Jonathan G Hardman, Declan G Bates, Wenfei Wang, Declan G Bates, Anup Das, Mainul Haque, Marc Chikhani, Jonathan G Hardman
This paper presents the methodology used in patient-specific calibration of a novel highly integrated model of the cardiovascular and pulmonary pathophysiology associated with Acute Respiratory Distress Syndrome (ARDS). We focus on data from previously published clinical trials on the static and dynamic cardio-pulmonary responses of three ARDS patients to changes in ventilator settings. From this data, the parameters of the integrated model were identified using an optimization-based methodology in multiple stages...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225865/continuous-blood-purification-treatment-for-endotoxin-induced-acute-respiratory-distress-syndrome
#3
Y Jiang, R Lin, Y Xu, S Zhang, K Cui, M Zhu, A Li, C Chen, J Yang, W Yang
This study aimed to explore the effects of continuous blood purification (CBP) treatment in pigs affected with acute respiratory distress syndrome (ARDS). A total of 12 healthy male pigs, weighing 12±1.8 kg, were randomly and equally assigned to the control and experimental groups. The ARDS pig model was prepared by intravenous injections of endotoxin (20 µg/kg). The control group was given conventional supportive therapy, while the experimental group was given continuous veno-venous hemofiltration therapy...
February 16, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28224112/intravenous-vitamin-c-as-adjunctive-therapy-for-enterovirus-rhinovirus-induced-acute-respiratory-distress-syndrome
#4
Alpha A Fowler Iii, Christin Kim, Lawrence Lepler, Rajiv Malhotra, Orlando Debesa, Ramesh Natarajan, Bernard J Fisher, Aamer Syed, Christine DeWilde, Anna Priday, Vigneshwar Kasirajan
We report a case of virus-induced acute respiratory distress syndrome (ARDS) treated with parenteral vitamin C in a patient testing positive for enterovirus/rhinovirus on viral screening. This report outlines the first use of high dose intravenous vitamin C as an interventional therapy for ARDS, resulting from enterovirus/rhinovirus respiratory infection. From very significant preclinical research performed at Virginia Commonwealth University with vitamin C and with the very positive results of a previously performed phase I safety trial infusing high dose vitamin C intravenously into patients with severe sepsis, we reasoned that infusing identical dosing to a patient with ARDS from viral infection would be therapeutic...
February 4, 2017: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28224110/comparison-of-inhaled-milrinone-nitric-oxide-and-prostacyclin-in-acute-respiratory-distress-syndrome
#5
Martin Albert, Daniel Corsilli, David R Williamson, Marc Brosseau, Patrick Bellemare, Stéphane Delisle, Anne Qn Nguyen, France Varin
AIM: To evaluate the safety and efficacy of inhaled milrinone in acute respiratory distress syndrome (ARDS). METHODS: Open-label prospective cross-over pilot study where fifteen adult patients with hypoxemic failure meeting standard ARDS criteria and monitored with a pulmonary artery catheter were recruited in an academic 24-bed medico-surgical intensive care unit. Random sequential administration of iNO (20 ppm) or nebulized epoprostenol (10 μg/mL) was done in all patients...
February 4, 2017: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28223218/preventative-effect-of-omz-spt-on-lipopolysaccharide-induced-acute-lung-injury-and-inflammation-via-nuclear-factor-kappa-b-signaling-in-mice
#6
Ting Wang, Wanru Hou, Zhou Fu
Acute lung injury (ALI) is an early pathophysiologic change in acute respiratory distress syndrome and its management can be challenging. Omalizumab (Xolair™) is a recombinant DNA-derived, humanized antibody. OMZ-SPT is a polypeptide on the heavy chain of omalizumab monoclonal antibody. Here, we found that intramuscular administration of OMZ-SPT significantly improved survival and attenuated lung inflammation in female C57BL/6 mice suffering from lipopolysaccharide (LPS)-induced ALI. We also demonstrated that OMZ-SPT can inhibit expression of the inflammatory cytokines tumor necrosis factor-α, interleukin-1β and interleukin-6 by ELISA in mice suffering from LPS-induced ALI and a mouse macrophage line (RAW264...
February 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28222856/acute-respiratory-distress-syndrome-and-lamotrigine-a-case-report
#7
Masahiro Takeshima, Hiroyasu Ishikawa, Tetsuo Shimizu
No abstract text is available yet for this article.
December 18, 2016: Psychosomatics
https://www.readbyqxmd.com/read/28222804/can-body-mass-index-predict-clinical-outcomes-for-patients-with-acute-lung-injury-acute-respiratory-distress-syndrome-a-meta-analysis
#8
Yue-Nan Ni, Jian Luo, He Yu, Yi-Wei Wang, Yue-Hong Hu, Dan Liu, Bin-Miao Liang, Zong-An Liang
BACKGROUND: The effects of body mass index (BMI) on the prognosis of acute respiratory distress syndrome (ARDS) are controversial. We aimed to further determine the relationship between BMI and the acute outcomes of patients with ARDS. METHODS: We searched the Pubmed, Embase, Medline, Cochrane Central Register of Controlled Trials (CENTRAL), and ISI Web of Science for trials published between 1946 and July 2016, using "BMI" or "body mass index" or "overweight" or "obese" and "ARDS" or "ALI" or "acute respiratory distress syndrome" or "acute lung injury", without limitations on publication type or language...
February 22, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28222102/anln-truncation-causes-a-familial-fatal-acute-respiratory-distress-syndrome-in-dalmatian-dogs
#9
Saila Holopainen, Marjo K Hytönen, Pernilla Syrjä, Meharji Arumilli, Anna-Kaisa Järvinen, Minna Rajamäki, Hannes Lohi
Acute respiratory distress syndrome (ARDS) is the leading cause of death in critical care medicine. The syndrome is typified by an exaggerated inflammatory response within the lungs. ARDS has been reported in many species, including dogs. We have previously reported a fatal familial juvenile respiratory disease accompanied by occasional unilateral renal aplasia and hydrocephalus, in Dalmatian dogs. The condition with a suggested recessive mode of inheritance resembles acute exacerbation of usual interstitial pneumonia in man...
February 21, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28219612/hyperoxia-and-hypertonic-saline-in-patients-with-septic-shock-hypers2s-a-two-by-two-factorial-multicentre-randomised-clinical-trial
#10
Pierre Asfar, Frédérique Schortgen, Julie Boisramé-Helms, Julien Charpentier, Emmanuel Guérot, Bruno Megarbane, David Grimaldi, Fabien Grelon, Nadia Anguel, Sigismond Lasocki, Matthieu Henry-Lagarrigue, Frédéric Gonzalez, François Legay, Christophe Guitton, Maleka Schenck, Jean Marc Doise, Jérôme Devaquet, Thierry Van Der Linden, Delphine Chatellier, Jean Philippe Rigaud, Jean Dellamonica, Fabienne Tamion, Ferhat Meziani, Alain Mercat, Didier Dreyfuss, Valérie Seegers, Peter Radermacher
BACKGROUND: There is insufficient research into the use of mechanical ventilation with increased inspiratory oxygen concentration (FiO2) and fluid resuscitation with hypertonic saline solution in patients with septic shock. We tested whether these interventions are associated with reduced mortality. METHODS: This two-by-two factorial, multicentre, randomised, clinical trial (HYPERS2S) recruited patients aged 18 years and older with septic shock who were on mechanical ventilation from 22 centres in France...
February 14, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28217046/effect-of-nebulized-budesonide-on-respiratory-mechanics-and-oxygenation-in-acute-lung-injury-acute-respiratory-distress-syndrome-randomized-controlled-study
#11
Hatem Saber Mohamed, Mona Mohamed Abdel Meguid
BACKGROUND: We tested the hypothesis that nebulized budesonide would improve lung mechanics and oxygenation in patients with early acute lung injury (ALI) and/or acute respiratory distress syndrome (ARDS) during protective mechanical ventilation strategy without adversely affecting systemic hemodynamics. METHODS: Patients with ALI/ARDS were included and assigned into two groups; budesonide group (30 cases) in whom 1 mg-2 ml budesonide suspension was nebulized through the endotracheal tube and control group (30 cases) in whom 2 ml saline (placebo) were nebulized instead of budesonide...
January 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28217037/lung-injury-induced-skeletal-muscle-wasting-in-aged-mice-is-linked-to-alterations-in-long-chain-fatty-acid-metabolism
#12
D Clark Files, Amro Ilaiwy, Traci L Parry, Kevin W Gibbs, Chun Liu, James R Bain, Osvaldo Delbono, Michael J Muehlbauer, Monte S Willis
INTRODUCTION: Older patients are more likely to acquire and die from acute respiratory distress syndrome (ARDS) and muscle weakness may be more clinically significant in older persons. Recent data implicate muscle ring finger protein 1 (MuRF1) in lung injury-induced skeletal muscle atrophy in young mice and identify an alternative role for MuRF1 in cardiac metabolism regulation through inhibition of fatty acid oxidation. OBJECTIVES: To develop a model of lung injury-induced muscle wasting in old mice and to evaluate the skeletal muscle metabolomic profile of adult and old acute lung injury (ALI) mice...
August 2016: Metabolomics: Official Journal of the Metabolomic Society
https://www.readbyqxmd.com/read/28215409/extracorporeal-membrane-oxygenation-ecmo-in-adults-with-acute-respiratory-distress-syndrome-ards-a-6-year-experience-and-case-control-study
#13
Javier Muñoz, Patricia Santa-Teresa, María Jesus Tomey, Lourdes Carmen Visedo, Elena Keough, Juan Camilo Barrios, Santiago Sabell, Antonio Morales
PURPOSE: To evaluate the development of an extracorporeal membrane oxygenation (ECMO) program for the treatment of acute respiratory distress syndrome (ARDS) in adults. METHODS: a) Descriptive study of 15 cases treated since the program approval from 2010 to 2016. b) Case-control study matching the 15 ECMO cases with the 52 severe ARDS treated between 2005 and 2011 in which alternative rescue treatments (prone ventilation, tracheal gas insufflation (TGI) and/or the administration of inhaled nitric oxide (iNO)) were used...
February 16, 2017: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/28213470/higher-mini-bal-total-protein-concentration-in-early-ards-predicts-faster-resolution-of-lung-injury-measured-by-more-ventilator-free-days
#14
Carolyn M Hendrickson, Jason Abbott, Hanjing Zhuo, Kathleen D Liu, Carolyn S Calfee, Michael A Matthay
The protein concentration of alveolar edema fluid in acute respiratory distress syndrome (ARDS) is dynamic. It reflects alveolar flooding during acute injury as well as fluid and protein clearance over time. We hypothesized that among ARDS patients treated with low tidal volume ventilation, higher concentrations of protein in mini-bronchoalveolar lavage (mBAL) samples would predict slower resolution of lung injury and worse clinical outcomes. Total protein and IgM concentrations in Day 0 mBAL samples from 79 subjects enrolled in the aerosolized albuterol (ALTA) ARDS Network Albuterol trial were measured by colorimetric assay and ELISA respectively...
February 17, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28212231/how-much-does-icu-structure-account-for-variation-in-mobility-practices-between-acute-respiratory-distress-syndrome-network-hospitals
#15
Shunsuke Taito, Kazuhiro Sarada, Hideto Yasuda
No abstract text is available yet for this article.
March 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28212226/skeletal-muscle-weakness-is-associated-with-both-early-and-late-mortality-after-acute-respiratory-distress-syndrome
#16
Zudin Puthucheary, Hallie Prescott
No abstract text is available yet for this article.
March 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28212224/exploring-the-dark-side-of-the-moon-pulmonary-vascular-dysfunction-in-acute-respiratory-distress-syndrome
#17
Michael R Pinsky
No abstract text is available yet for this article.
March 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28212205/spontaneous-breathing-during-extracorporeal-membrane-oxygenation-in-acute-respiratory-failure
#18
Stefania Crotti, Nicola Bottino, Giulia Maria Ruggeri, Elena Spinelli, Daniela Tubiolo, Alfredo Lissoni, Alessandro Protti, Luciano Gattinoni
BACKGROUND: We evaluate the clinical feasibility of spontaneous breathing on extracorporeal membrane oxygenation and the interactions between artificial and native lungs in patients bridged to lung transplant or with acute exacerbation of chronic obstructive pulmonary disease (COPD) or acute respiratory distress syndrome. METHODS: The clinical course of a total of 48 patients was analyzed. Twenty-three of 48 patients were enrolled in the prospective study (nine bridged to lung transplant, six COPD, and eight acute respiratory distress syndrome)...
February 17, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28212103/simulation-of-healing-threshold-in-strain-induced-inflammation-through-a-discrete-informatics-model
#19
Israr Ibrahim, Sanjay Venkata Oruganti, Ramana Pidaparti
Respiratory diseases such as asthma and acute respiratory distress syndrome as well as acute lung injury involve inflammation at the cellular level. The inflammation process is very complex and is characterized by the emergence of cytokines along with other changes in cellular processes. Due to the complexity of the various constituents that makes up the inflammation dynamics, it is necessary to develop models that can complement experiments to fully understand inflammatory diseases. In this study, we developed a discrete informatics model based on cellular automata (CA) approach to investigate the influence of elastic field (stretch/strain) on the dynamics of inflammation and account for probabilistic adaptation based on statistical interpretation of existing experimental data...
February 15, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28208675/pneumonia-acute-respiratory-distress-syndrome-and-early-immune-modulator-therapy
#20
REVIEW
Kyung-Yil Lee
Acute respiratory distress syndrome (ARDS) is caused by infectious insults, such as pneumonia from various pathogens or related to other noninfectious events. Clinical and histopathologic characteristics are similar across severely affected patients, suggesting that a common mode of immune reaction may be involved in the immunopathogenesis of ARDS. There may be etiologic substances that have an affinity for respiratory cells and induce lung cell injury in cases of ARDS. These substances originate not only from pathogens, but also from injured host cells...
February 11, 2017: International Journal of Molecular Sciences
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