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Acute lung injury

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https://www.readbyqxmd.com/read/29332316/how-do-i-implement-a-whole-blood-program-for-massively-bleeding-patients
#1
Mark H Yazer, Andrew P Cap, Philip C Spinella, Louis Alarcon, Darrell J Triulzi
Building on the successful military experience, interest has been rekindled in transfusing whole blood (WB) early in the resuscitation of traumatically injured civilians, often before their ABO group is known. WB efficiently provides treatment for shock and coagulopathy, as well as platelet hemostatic function, to patients losing large volumes of blood. Unlike group O uncrossmatched red blood cells (RBCs), group O WB contains a substantial amount of plasma, which is incompatible with the RBCs of all non-group O recipients...
January 14, 2018: Transfusion
https://www.readbyqxmd.com/read/29331644/ozone-exposure-induces-respiratory-barrier-biphasic-injury-and-inflammation-controlled-by-interleukin-33
#2
Chloé Michaudel, Claire Mackowiak, Isabelle Maillet, Louis Fauconnier, Cezmi Akdis, Milena Sokolowska, Anita Dreher, Hern-Tze Tina Tan, Valérie F Quesniaux, Bernhard Ryffel, Dieudonnée Togbe
BACKGROUND: IL-33 plays critical role in the regulation of tissue homeostasis, injury and repair. Whether IL-33 regulates neutrophil recruitment and function independently of airways hyperresponsiveness (AHR) in ozone induced lung injury and inflammation is unclear. OBJECTIVE: To examine the role of IL-33/ST2 axis in lung inflammation upon acute ozone exposure in mice. METHODS: ST2 and IL-33 deficient mice, IL-33-citrine reporter and C57BL/6 (WT) mice underwent a single ozone exposure (1 ppm for 1h) in all studies...
January 10, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29331583/importins-%C3%AE-and-%C3%AE-signaling-mediates-endothelial-cell-inflammation-and-barrier-disruption
#3
Antony Leonard, Arshad Rahman, Fabeha Fazal
Nucleocytoplasmic shuttling via importins is central to the function of eukaryotic cells and an integral part of the processes that lead to many human diseases. In this study, we addressed the role of α and β importins in the mechanism of endothelial cell (EC) inflammation and permeability, important pathogenic features of many inflammatory diseases such as acute lung injury and atherosclerosis. RNAi-mediated knockdown of importin α4 or α3 each inhibited NF-κB activation, proinflammatory gene (ICAM-1, VCAM-1, and IL-6) expression, and thereby endothelial adhesivity towards HL-60 cells, upon thrombin challenge...
January 10, 2018: Cellular Signalling
https://www.readbyqxmd.com/read/29331011/transfusion-related-acute-lung-injury-in-a-paediatric-intensive-care-unit-of-pakistan
#4
Muhammad Tariq Jamil, Zehra Dhanani, Qalab Abbas, Humaira Jurair, Farheen Karim Mahar, Anwarul Haque
Background: Transfusion-Related Acute Lung Injury (TRALI) is a major cause of transfusionrelated morbidity and mortality in the intensive care unit setting. There is a paucity of such data from Pakistan. The purpose of this study is to assess the incidence and outcome of TRALI in critically ill children admitted in a pediatric intensive care unit (PICU) of Pakistan. Methods: This is a retrospective cohort study of all critically ill or injured children who developed TRALI or "possible" TRALI after blood transfusion based on Canadian Conference Consensus criteria in a closed multidisciplinary-cardiothoracic PICU from January 2012 to June 2016...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29330063/risk-of-ischemic-kidney-injury-in-patients-with-nonarteritic-anterior-ischemic-optic-neuropathy-a-nationwide-population-based-study
#5
Ju-Yeun Lee, Kyung-Ah Park, Sei Yeul Oh
PURPOSE: To investigate the risk of acute tubular necrosis (ATN) in patients with nonarteritic anterior ischemic optic neuropathy (NAION). DESIGN: Population-based cohort study METHODS: This is a nationwide, population-based, retrospective study using data from the Korean national health claims database from 2011 through 2015. Patients with NAION and randomly selected control subjects from the entire Korean population were enrolled. A log rank analysis was used to evaluate a risk of ATN in the group of patients with NAION (study group) compared to an age-, sex-, and comorbidities-matched control group...
January 9, 2018: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29328448/association-between-ace2-ace-balance-and-pneumocyte-apoptosis-in-a-porcine-model-of-acute-pulmonary-thromboembolism-with-cardiac-arrest
#6
Hong-Li Xiao, Lian-Xing Zhao, Jun Yang, Nan Tong, Le An, Qi-Tong Liu, Miao-Rong Xie, Chun-Sheng Li
Acute pulmonary embolism (APE) is frequently reported in patients with cardiac arrest (CA) in emergency care. Pneumocyte apoptosis is commonly observed in the lungs following an APE. An important pathological mechanism evoking apoptosis during a lipopolysaccharide‑induced acute lung injury is the angiotensin‑converting enzyme 2 (ACE2)/ACE imbalance. The present study uses a porcine model to examine the anti‑apoptotic effects of captopril on APE‑CA and the return of spontaneous circulation (ROSC). Pigs were randomly assigned into four groups: Control, APE‑CA, ROSC‑saline, and ROSC‑captopril...
January 12, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29325098/high-level-of-neutrophil-extracellular-traps-correlates-with-poor-prognosis-of-severe-influenza-a-infection
#7
Liuluan Zhu, Lu Liu, Yue Zhang, Lin Pu, Jingyuan Liu, Xingwang Li, Zhihai Chen, Yu Hao, Beibei Wang, Junyan Han, Guoli Li, Shuntao Liang, Haofeng Xiong, Hong Zheng, Ang Li, Jianqing Xu, Hui Zeng
Background: Most patients with severe infection with influenza A virus (IAV) progress to acute respiratory distress syndrome and even multiple organ dysfunction syndrome (MODS). Neutrophil extracellular traps (NETs) can be induced by pathogens and are responsible for immune tissue damage. We conducted a prospective study on the production and effects of NETs in H7N9 and H1N1 patients. Methods: We investigated NET production in plasma and supernatant of cultured neutrophils by measuring cell-free deoxyribonucleic acid (DNA) and myeloperoxidase (MPO)-DNA complexes with PicoGreen dye and enzyme-linked immunosorbent assay methods, respectively...
January 9, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29324628/ulinastatin-protects-against-lps-induced-acute-lung-injury-by-attenuating-tlr4-nf-%C3%AE%C2%BAb-pathway-activation-and-reducing-inflammatory-mediators
#8
Chao Cao, Chengfen Yin, Songtao Shou, Jun Wang, Lechang Yu, Xuening Li, Yanfen Chai
Acute lung injury (ALI) and its severe form, acute respiratory distress syndrome (ARDS), remain the leading causes of morbidity and mortality in intensive care units. Ulinastatin (UTI), a serine protease inhibitor, possesses anti-inflammatory properties and has been suggested to modulate lipopolysaccharide (LPS)-induced sepsis; thus, it is now widely used in the treatment of pancreatitis, sepsis, and septic shock. Toll-like receptor 4 (TLR4), an essential LPS signaling receptor, plays a critical role in the activation of innate immunity...
January 10, 2018: Shock
https://www.readbyqxmd.com/read/29324568/effects-of-pressure-support-ventilation-on-ventilator-induced-lung-injury-in-mild-acute-respiratory-distress-syndrome-depend-on-level-of-positive-end-expiratory-pressure
#9
Paulo A F Magalhães, Gisele de A Padilha, Lillian Moraes, Cíntia L Santos, Ligia de A Maia, Cassia L Braga, Maria do Carmo M B Duarte, Lívia B Andrade, Alberto Schanaider, Vera L Capellozzi, Robert Huhle, Marcelo Gama de Abreu, Paolo Pelosi, Patricia R M Rocco, Pedro L Silva
BACKGROUND: Harmful effects of spontaneous breathing have been shown in experimental severe acute respiratory distress syndrome (ARDS). However, in the clinical setting, spontaneous respiration has been indicated only in mild ARDS. To date, no study has compared the effects of spontaneous assisted breathing with those of fully controlled mechanical ventilation at different levels of positive end-expiratory pressure (PEEP) on lung injury in ARDS. OBJECTIVE: To compare the effects of assisted pressure support ventilation (PSV) with pressure-controlled ventilation (PCV) on lung function, histology and biological markers at two different PEEP levels in mild ARDS in rats...
January 10, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29323734/inhibitory-effect-of-circulating-fibrocytes-on-injury-repair-in-acute-lung-injury-acute-respiratory-distress-syndrome-mice-model
#10
Wenlin Tai, Jinyu Li, Boyang Zheng, Hanxin Wu, Jiawei Ding, Ling Gao, Zhaoxin Dong
The study was aimed to explore the functions of circulating fibrocytes (CFs) on injury repair in acute lung injury/acute respiratory distress syndrome (ALI/ARDS) mice model and its clinical value as a biomarker for ALI/ARDS. ALI/ARDS mice model was established by intratracheal instillation of lipopolysaccharide (LPS). Mononuclear cells were isolated from peripheral blood of ALI/ARDS model and flow cytometry was used to measure CFs defined as cells positive for CD45 and collagen-1. Histological changes of lung tissues were evaluated by H&E staining and Masson's trichrome staining...
January 11, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29323413/extracorporeal-membrane-oxygenation-for-refractory-severe-respiratory-failure-in-acute-interstitial-pneumonia
#11
Gabriela Gonçalves-Venade, Nuno Lacerda-Príncipe, Roberto Roncon-Albuquerque, José Artur Paiva
Acute interstitial pneumonia (AIP) is a rare idiopathic interstitial lung disease with rapid progressive respiratory failure and high mortality. In the present report, three cases of AIP complicated by refractory respiratory failure supported with extracorporeal membrane oxygenation (ECMO) are presented. One male and two female patients (ages 27-59) were included. Venovenous ECMO support was provided using miniaturized systems, with two-site femoro-jugular circuit configuration. Despite lung protective ventilation, prone position and neuromuscular blockade, refractory respiratory failure of unknown etiology supervened (ratio of arterial oxygen partial pressure to fractional inspired oxygen 46-130) and ECMO was initiated after 3-7 days of mechanical ventilation...
January 11, 2018: Artificial Organs
https://www.readbyqxmd.com/read/29321926/lung-injury-associated-with-electronic-cigarettes-inhalation-diagnosed-by-transbronchial-lung-biopsy
#12
Masayuki Itoh, Kazutetsu Aoshiba, Yoriko Herai, Hiroyuki Nakamura, Tamiko Takemura
A 46-year-old healthy man developed respiratory distress, night sweats, fever, and weight loss after using electronic cigarettes (e-cigs) for approximately 1 month. He presented to the hospital when the symptoms worsened 2 months after onset. The findings of bronchoalveolar lavage (BAL) fluid examination and the following transbronchial lung biopsy examination led to the diagnosis of acute alveolitis: intra-alveolar fibrosis accompanied with exudate containing abundant lipid-laden macrophages, eosinophils, and neutrophils...
January 2018: Respirology Case Reports
https://www.readbyqxmd.com/read/29318576/comparing-transfusion-reaction-risks-for-various-plasma-products-an-analysis-of-7%C3%A2-years-of-istare-haemovigilance-data
#13
Nicholas H Saadah, Johanna G van der Bom, Johanna C Wiersum-Osselton, Clive Richardson, Rutger A Middelburg, Constantina Politis, Philippe Renaudier, Pierre Robillard, Martin R Schipperus
Plasma transfusions may result in transfusion reactions. We used the International Surveillance of Transfusion-Associated Reactions and Events (ISTARE) database, containing yearly reported national annual aggregate data on transfusion reactions from participating countries, to investigate risks of plasma transfusion reactions and compare transfusion reaction risks for different plasma types. We calculated risks for plasma transfusion reactions and compared transfusion reaction risks between plasma types using random effects regression on repeated measures...
January 9, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29316751/-mechanism-of-action-for-oligomeric-proanthocyaniclins-in-pava-qnat-induced-acute-lung-injury
#14
P Liu, Y S Zhou, Y L Qin, L Li, Y Liu, B Xu, K Huang, C C Ji, F Lin, Y G Wang, K Li, S H Chen, L F Shao, J S Mu
Objective: The present study was designed to evaluate the protective effects of oligomeric proanthocyanidins (OPC) in mice exposed to paraquat (PQ) , and to explore the molecular mechanism. Methods: Four experimental groups were designed. CONTROL GROUP: 10 BALB/c mice were intraperitoneally injected with normal saline) . PQ group: 10 BALB/c mice were intraperitoneally injected with PQ (100 mg/kg) . PQ+OPC group: 10 BALB/c mice were administered with OPC (100 mg/kg) for 1 h before PQ (100 mg/kg) expo-sure...
November 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/29315794/overexpression-of-long-non-coding-rna-h19-protects-lung-fibroblasts-from-lps-induced-injury-by-targeting-mir-181a-and-runx2-via-activation-of-notch-and-jnk-pathways
#15
Lin Wu, Liping Sun, Yongqiang Hua, Chunyang Yang, Yu Teng
BACKGROUND: Acute lung injury is a life-threatening inflammatory lung condition. Studies have explored the role of lncRNA H19 in several diseases, including cancers. In this study, We aimed to explore the role of H19 in lipopolysaccharide (LPS)-induced lung injury and to elucidate the underlying molecular mechanism. METHODS: MRC-5 cells (lung fibroblast cells) were used in the experiment. Cell viability, proliferation, and apoptosis were measured by specific assays...
January 8, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29313710/long-term-outcomes-after-protocolized-sedation-vs-usual-care-in-ventilated-pediatric-patients
#16
R Scott Watson, Lisa A Asaro, James H Hertzog, Lauren R Sorce, Alicia G Kachmar, Leslie A Dervan, Derek C Angus, David Wypij, Martha A Q Curley
RATIONALE: Whether a nurse-implemented goal-directed sedation protocol resulting in more awake yet calm intubated children affects post-discharge functional status, health-related quality of life, or risk for post-traumatic stress disorder is unknown. OBJECTIVES: To compare post-discharge outcomes in children with acute respiratory failure cluster randomized to a sedation protocol or usual care. METHODS: A stratified random sample of 1360 patients from 31 centers in the Randomized Evaluation of Sedation Titration for Respiratory Failure trial was assessed by mail, electronically, and/or telephone six months after intensive care unit discharge...
January 9, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29312748/acute-respiratory-distress-syndrome-in-traumatic-brain-injury-how-do-we-manage-it
#17
REVIEW
Valentina Della Torre, Rafael Badenes, Francesco Corradi, Fabrizio Racca, Andrea Lavinio, Basil Matta, Federico Bilotta, Chiara Robba
Traumatic brain injury (TBI) is an important cause of morbidity and mortality worldwide. TBI patients frequently suffer from lung complications and acute respiratory distress syndrome (ARDS), which is associated with poor clinical outcomes. Moreover, the association between TBI and ARDS in trauma patients is well recognized. Mechanical ventilation of patients with a concomitance of acute brain injury and lung injury can present significant challenges. Frequently, guidelines recommending management strategies for patients with traumatic brain injuries come into conflict with what is now considered best ventilator practice...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29309861/protective-effects-of-diketopiperazines-from-moslae-herba-against-influenza-a-virus-induced-pulmonary-inflammation-via-inhibition-of-viral-replication-and-platelets-aggregation
#18
Huan-Huan Zhang, Wen-Ying Yu, Lan Li, Fang Wu, Qin Chen, Yang Yang, Chen-Huan Yu
ETHNOPHARMACROLOGICAL RELEVANCE: Moslae Herba (MH) is broadly used as an antiviral, antipyretic and anticoagulant drug which effectively treats respiratory diseases including cough, asthma, throat, cold and flu. AIM OF THIS STUDY: The excessive inflammation of the lungs is the hallmark of severe influenza A virus (IAV) infection, while platelet aggregation and its subsequent microvascular thrombosis can exacerbate IAV-induced lung injury. Thus, inhibition of platelet aggregation can be a potential target for IAV treatment...
January 5, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29308751/-role-and-mechanism-of-mitochondrial-dna-mediated-toll-like-receptor-9-myeloid-differentiation-factor-88-signaling-pathway-activation-in-rats-with-ventilator-induced-lung-injury
#19
Jinyuan Lin, Ren Jing, Linghui Pan
OBJECTIVE: To investigate the role and mechanism of mitochondrial DNA (mtDNA) in rats with ventilator-induced lung injury (VILI) via Toll-like receptor 9 (TLR9)-myeloid differentiation factor 88 (MyD88) signaling pathway. METHODS: Thirty adult male Sprague-Dawley (SD) rats were randomly divided into three groups (each n = 10): spontaneous breathing group, normal tidal volume (VT) group (NVT group, VT = 8 mL/kg), and high VT group (HVT group, VT = 40 mL/kg). Rats in the NVT group and HVT group were ventilated mechanically with a positive end-expiratory pressure (PEEP) of 0 and the fraction of inspired oxygen (FiO2) at 0...
January 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29307825/%C3%AE-cells-can-be-generated-from-cytokeratin-5-positive-cells-after-cerulein-induced-pancreatitis-in-adult-mice
#20
Qiao Shi, Yu-Pu Hong, Xiao-Yi Zhang, Jing Tao, Chen-Yang Wang, Liang Zhao, Fang-Chao Mei, Yun-Dong You, He Xia, Xing-Cheng Xiong, Gui-Rong Wang, Wei-Xing Wang
Clinical studies have revealed that some patients will develop glucose tolerance dysfunction after recovering from acute pancreatitis (AP), which indicated the importance of investigating the potential therapies for restoration of islet β cell function. Cytokeratin 5 (Krt5)-positive cells are considered to function as stem or progenitor cells in the regeneration of lung and salivary gland following injury. In the present study, AP was induced by six hourly intraperitoneal injections of 100 μg/kg cerulein for 4 consecutive days in adult mice, in order to determine the role of Krt5-positive cells in pancreatic regeneration, especially in the restoration of β cell function and the underlying mechanisms...
January 4, 2018: Biochemical and Biophysical Research Communications
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