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Ventilator induced lung injury

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https://www.readbyqxmd.com/read/29774726/single-lung-ventilation-associated-to-ecmo-an-alternative-approach-to-manage-ventilator-induced-lung-injuries-in-infants
#1
Matteo Di Nardo, Joseph Nunziata, Francesca Stoppa, Margherita Lonero, Daniela Perrotta, Corrado Cecchetti, Salvatore Grasso
No abstract text is available yet for this article.
May 15, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29764547/-comparison-of-lung-protection-for-hydrochloric-acid-or-oleic-acid-induced-rat-acute-respiratory-distress-syndrome-models-pretreated-with-penehyclidine
#2
Yumei Cheng, Zhou Yang, Feng Shen, Bo Liu, Yahui Wang, Yanqi Wu, Ling Yao, Yuqing Liu
OBJECTIVE: To compare the lung protection roles of intraperitoneal pre-injection with penehyclidine for two kinds of rat models with pulmonary and extrapulmonary acute respiratory distress syndrome (ARDSp and ARDSexp). METHODS: Forty healthy adult Sprague-Dawley (SD) rats were randomly divided into five groups (each n = 8): the rats in sham group received only tracheotomy; the ARDS rat models were reproduced by intratracheal inhalation of 0.1 mol/L hydrochloric acid (HCl) 2 mL/kg to simulate ARDSexp (HCl group) and 0...
May 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29752619/a-feasibility-study-into-adenosine-triphosphate-measurement-in-exhaled-breath-condensate-a-potential-bedside-method-to-monitor-alveolar-deformation
#3
Philip van der Zee, Peter Somhorst, Jeroen Molinger, Djo Hasan, Diederik Gommers
Recent research suggested an important role for pulmonary extracellular adenosine triphosphate (ATP) in the development of ventilation-induced lung injury. This injury is induced by mechanical deformation of alveolar epithelial cells, which in turn release ATP to the extracellular space. Measuring extracellular ATP in exhaled breath condensate (EBC) may be a non-invasive biomarker for alveolar deformation. Here, we study the feasibility of bedside ATP measurement in EBC. We measured ATP levels in EBC in ten subjects before and after an exercise test, which increases respiratory parameters and alveolar deformation...
May 12, 2018: Purinergic Signalling
https://www.readbyqxmd.com/read/29745824/commentaries-on-viewpoint-looking-beyond-macroventilatory-parameters-and-rethinking-ventilator-induced-lung-injury
#4
Li Zuo, Alicia Simpson, Paolo B. Dominelli, William R. Henderson
No abstract text is available yet for this article.
May 1, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29745822/last-word-on-viewpoint-looking-beyond-macrovenitlatory-parameters-and-rethinking-ventilator-induced-lung-injury
#5
Michaela C Kollisch-Singule, Sumeet V Jain, Penny L Andrews, Joshua Satalin, Louis A Gatto, Jesús Villar, Daniel De Backer, Luciano Gattinoni, Gary F Nieman, Nader M Habashi
No abstract text is available yet for this article.
May 1, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29743121/high-frequency-oscillatory-ventilation-guided-by-transpulmonary-pressure-in-acute-respiratory-syndrome-an-experimental-study-in-pigs
#6
Philipp Klapsing, Onnen Moerer, Christoph Wende, Peter Herrmann, Michael Quintel, Annalen Bleckmann, Jan Florian Heuer
BACKGROUND: Recent clinical studies have not shown an overall benefit of high-frequency oscillatory ventilation (HFOV), possibly due to injurious or non-individualized HFOV settings. We compared conventional HFOV (HFOVcon ) settings with HFOV settings based on mean transpulmonary pressures (PLmean ) in an animal model of experimental acute respiratory distress syndrome (ARDS). METHODS: ARDS was induced in eight pigs by intrabronchial installation of hydrochloric acid (0...
May 9, 2018: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29743094/feasibility-and-safety-of-low-flow-extracorporeal-co-2-removal-managed-with-a-renal-replacement-platform-to-enhance-lung-protective-ventilation-of-patients-with-mild-to-moderate-ards
#7
Matthieu Schmidt, Samir Jaber, Elie Zogheib, Thomas Godet, Gilles Capellier, Alain Combes
BACKGROUND: Extracorporeal carbon-dioxide removal (ECCO2 R) might allow ultraprotective mechanical ventilation with lower tidal volume (VT) (< 6 ml/kg predicted body weight), plateau pressure (Pplat ) (< 30 cmH2 O), and driving pressure to limit ventilator-induced lung injury. This study was undertaken to assess the feasibility and safety of ECCO2 R managed with a renal replacement therapy (RRT) platform to enable very low tidal volume ventilation of patients with mild-to-moderate acute respiratory distress syndrome (ARDS)...
May 10, 2018: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29742703/nebulized-heparin-and-n-acetylcysteine-for-smoke-inhalational-injury-a-case-report
#8
Umair Ashraf, Bharat Bajantri, Gabriella Roa-Gomez, Sindhaghatta Venkatram, Amanda Cantin, Gilda Diaz-Fuentes
RATIONALE: Every year, ∼40,000 people suffer burn-related injuries in the United States. Despite recent advances, the odds of dying from exposure to fire, flames, or smoke are one in ∼1500. Smoke inhalation causes injury to the airways via a complex physiological process, and the treatment is mainly supportive. Many recent interventions aim to decrease the formation of fibrin casts, the main cause of airway damage in these patients. Among these, treatment with a combination of nebulized heparin and N-acetylcysteine (NAC) has shown benefit...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29742448/linking-lung-function-to-structural-damage-of-alveolar-epithelium-in-ventilator-induced-lung-injury
#9
Katharine L Hamlington, Bradford J Smith, Celia M Dunn, Chantel M Charlebois, Gregory S Roy, Jason H T Bates
Understanding how the mechanisms of ventilator-induced lung injury (VILI), namely atelectrauma and volutrauma, contribute to the failure of the blood-gas barrier and subsequent intrusion of edematous fluid into the airspace is essential for the design of mechanical ventilation strategies that minimize VILI. We ventilated mice with different combinations of tidal volume and positive end-expiratory pressure (PEEP) and linked degradation in lung function measurements to injury of the alveolar epithelium observed via scanning electron microscopy...
May 6, 2018: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/29721820/hypothermic-total-liquid-ventilation-after-experimental-aspiration-associated-acute-respiratory-distress-syndrome
#10
Jérôme Rambaud, Fanny Lidouren, Michaël Sage, Matthias Kohlhauer, Mathieu Nadeau, Étienne Fortin-Pellerin, Philippe Micheau, Luca Zilberstein, Nicolas Mongardon, Jean-Damien Ricard, Megumi Terada, Patrick Bruneval, Alain Berdeaux, Bijan Ghaleh, Hervé Walti, Renaud Tissier
BACKGROUND: Ultrafast cooling by total liquid ventilation (TLV) provides potent cardio- and neuroprotection after experimental cardiac arrest. However, this was evaluated in animals with no initial lung injury, whereas out-of-hospital cardiac arrest is frequently associated with early-onset pneumonia, which may lead to acute respiratory distress syndrome (ARDS). Here, our objective was to determine whether hypothermic TLV could be safe or even beneficial in an aspiration-associated ARDS animal model...
May 2, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29720570/ripk3-mediates-pathogenesis-of-experimental-ventilator-induced-lung-injury
#11
Ilias I Siempos, Kevin C Ma, Mitsuru Imamura, Rebecca M Baron, Laura E Fredenburgh, Jin-Won Huh, Jong-Seok Moon, Eli J Finkelsztein, Daniel S Jones, Michael Torres Lizardi, Edward J Schenck, Stefan W Ryter, Kiichi Nakahira, Augustine Mk Choi
In patients requiring ventilator support, mechanical ventilation (MV) may induce acute lung injury (ventilator-induced lung injury [VILI]). VILI is associated with substantial morbidity and mortality in mechanically ventilated patients with and without acute respiratory distress syndrome. At the cellular level, VILI induces necrotic cell death. However, the contribution of necroptosis, a programmed form of necrotic cell death regulated by receptor-interacting protein-3 kinase (RIPK3) and mixed-lineage kinase domain-like pseudokinase (MLKL), to the development of VILI remains unexplored...
May 3, 2018: JCI Insight
https://www.readbyqxmd.com/read/29714632/splice-wars-the-role-of-mlck-isoforms-in-ventilation-induced-lung-injury
#12
Patricia L Brazee, Laura A Dada
No abstract text is available yet for this article.
May 2018: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/29708892/continuous-negative-abdominal-pressure-reduces-ventilator-induced-lung-injury-in-a-porcine-model
#13
Takeshi Yoshida, Doreen Engelberts, Gail Otulakowski, Bhushan Katira, Martin Post, Niall D Ferguson, Laurent Brochard, Marcelo B P Amato, Brian P Kavanagh
BACKGROUND: In supine patients with acute respiratory distress syndrome, the lung typically partitions into regions of dorsal atelectasis and ventral aeration ("baby lung"). Positive airway pressure is often used to recruit atelectasis, but often overinflates ventral (already aerated) regions. A novel approach to selective recruitment of dorsal atelectasis is by "continuous negative abdominal pressure." METHODS: A randomized laboratory study was performed in anesthetized pigs...
April 27, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29707296/sevoflurane-did-not-show-better-protective-effect-on-endothelial-glycocalyx-layer-compared-to-propofol-during-lung-resection-surgery-with-one-lung-ventilation
#14
Hye-Jin Kim, Eunsoo Kim, Seung-Hoon Baek, Hee Young Kim, Joo-Yun Kim, Juyeon Park, Eun-Ji Choi
Background: The endothelial glycocalyx layer (EGL) coats the alveolar capillary endothelium and plays important roles in pulmonary vascular protection, modulation, and hemostasis. Ischemia-reperfusion, which occurs during lung resection surgery with one lung ventilation (OLV), can damage the EGL. Sevoflurane is known for its protective effect against ischemia-reperfusion injury. Therefore, we hypothesized that lung resection surgery produces EGL damage and sevoflurane protects the EGL better than the intravenous anesthetic propofol...
March 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29702608/liver-injury-by-carbon-tetrachloride-intoxication-in-16-patients-treated-with-forced-ventilation-to-accelerate-toxin-removal-via-the-lungs-a-clinical-report
#15
REVIEW
Rolf Teschke
Carbon tetrachloride (CCl₄) is an efficient but highly toxic solvent, used in households and commercially in the industry under regulatory surveillance to ensure safety at the working place and to protect the workers&rsquo; health. However, acute unintentional or intentional intoxications by CCl₄ may rarely occur and are potentially life-threatening. In this review article, therapy options are discussed that are based on a literature review of traditional poisoning cases and the clinical experience with 16 patients with acute poisoning by CCl₄...
April 27, 2018: Toxics
https://www.readbyqxmd.com/read/29699897/development-of-regional-extracorporeal-life-support-system-the-importance-of-innovative-simulation-training
#16
Mateusz Puślecki, Marcin Ligowski, Marek Dąbrowski, Sebastian Stefaniak, Małgorzata Ładzińska, Aleksander Pawlak, Marcin Zieliński, Łukasz Szarpak, Bartłomiej Perek, Marek Jemielity
BACKGROUND: Despite advances in mechanical ventilation, severe acute respiratory distress syndrome (ARDS) is associated with high morbidity and mortality rates ranging from 30% to 60%. Extracorporeal Membrane Oxygenation (ECMO) can be used as a "bridge to recovery". ECMO is a complex network that provides oxygenation and ventilation and allows the lungs to rest and recover from respiratory failure, while minimizing iatrogenic ventilator-induced lung injury. In the critical care settings, ECMO is shown to improve survival rates and outcomes in patients with severe ARDS...
April 18, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29691422/pulmonary-effects-of-adjusting-tidal-volume-to-actual-or-ideal-body-weight-in-ventilated-obese-mice
#17
Elise Guivarch, Guillaume Voiriot, Anahita Rouzé, Stéphane Kerbrat, Jeanne Tran Van Nhieu, Philippe Montravers, Bernard Maitre, Armand Mekontso Dessap, Mathieu Desmard, Jorge Boczkowski
Obese patients could be more susceptible to mechanical ventilation (MV)-induced lung injury than non-obese patients due to weight-dependent changes in lung properties. The aim of this study was therefore to evaluate the pulmonary effects of 2 hours low VT MV in a diet-induced obese mice model, with VT calculated on either the actual body weight (VT aw) or the ideal body weight (VT iw) . First, we hypothesized that a MV with VT aw would be associated with altered lung mechanics and an increased lung inflammation...
April 24, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29670906/desflurane-attenuates-ventilator-induced-lung-injury-in-rats-with-acute-respiratory-distress-syndrome
#18
Xue Lin, Ying-Nan Ju, Wei Gao, Dong-Mei Li, Chang-Chun Guo
Ventilator-induced lung injury aggravates the existing lung injury. This study investigated the effect of desflurane on VILI in a rat model of acute respiratory distress syndrome. Forty-eight rats were randomized into a sham (S) group, control (C) group, lipopolysaccharide/ventilation (LV) group, lipopolysaccharide/ventilation/desflurane (LVD) group, or lipopolysaccharide/low ventilation with and without desflurane (LLV and LLVD) groups. Rats in the S group received anesthesia only. Rats in the LV and LVD groups received lipopolysaccharide and were ventilated with a high tidal volume...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29670537/impact-of-different-tidal-volume-levels-at-low-mechanical-power-on-ventilator-induced-lung-injury-in-rats
#19
Lillian Moraes, Pedro L Silva, Alessandra Thompson, Cintia L Santos, Raquel S Santos, Marcos V S Fernandes, Marcelo M Morales, Vanessa Martins, Vera L Capelozzi, Marcelo G de Abreu, Paolo Pelosi, Patricia R M Rocco
Tidal volume (VT ) has been considered the main determinant of ventilator-induced lung injury (VILI). Recently, experimental studies have suggested that mechanical power transferred from the ventilator to the lungs is the promoter of VILI. We hypothesized that, as long as mechanical power is kept below a safe threshold, high VT should not be injurious. The present study aimed to investigate the impact of different VT levels and respiratory rates (RR) on lung function, diffuse alveolar damage (DAD), alveolar ultrastructure, and expression of genes related to inflammation [interleukin (IL)-6], alveolar stretch (amphiregulin), epithelial [club cell secretory protein (CC)16] and endothelial [intercellular adhesion molecule (ICAM)-1] cell injury, and extracellular matrix damage [syndecan-1, decorin, and metalloproteinase (MMP)-9] in experimental acute respiratory distress syndrome (ARDS) under low-power mechanical ventilation...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29664963/trpv4-inhibition-attenuates-stretch-induced-inflammatory-cellular-responses-and-lung-barrier-dysfunction-during-mechanical-ventilation
#20
N Pairet, S Mang, G Fois, M Keck, M Kühnbach, J Gindele, M Frick, P Dietl, D J Lamb
Mechanical ventilation is an important tool for supporting critically ill patients but may also exert pathological forces on lung cells leading to Ventilator-Induced Lung Injury (VILI). We hypothesised that inhibition of the force-sensitive transient receptor potential vanilloid (TRPV4) ion channel may attenuate the negative effects of mechanical ventilation. Mechanical stretch increased intracellular Ca2+ influx and induced release of pro-inflammatory cytokines in lung epithelial cells that was partially blocked by about 30% with the selective TRPV4 inhibitor GSK2193874, but nearly completely blocked with the pan-calcium channel blocker ruthenium red, suggesting the involvement of more than one calcium channel in the response to mechanical stress...
2018: PloS One
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