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Acute Distress Syndrome

Shuai Liu, Yinyan Yue, Pinhua Pan, Lemeng Zhang, Xiaoli Su, Haitao Li, Haosi Li, Yi Li, Minhui Dai, Qian Li, Zhi Mao
Previously, we demonstrated that neutrophil extracellular traps (NETs) play an essential role in lipopolysaccharide (LPS)-induced acute lung injury. However, the underlying mechanism is unclear. In this study, we showed that knockout of interferon regulatory factor 1 (IRF-1) in mice strongly attenuated the generation of NETs and reactive oxygen species (ROS) production in neutrophils from bronchoalveolar lavage fluid and alleviated LPS-induced lung injury and systemic inflammation. Our in vitro experiments demonstrated that LPS-stimulated platelets induce NET release through two distinct processes: an ROS-independent early/rapid NETosis and a later ROS-dependent classical NETosis...
October 12, 2018: Inflammation
Paul S Jansson, David C Leisten, Todd M Sarkisian, Susan R Wilcox, Jarone Lee
BACKGROUND: Hydrochlorothiazide (HCTZ) is a commonly prescribed sulfonamide thiazide-type diuretic medication that has been associated with rare cases of noncardiogenic pulmonary edema. CASE REPORT: A man in his 50s with a medical history notable for hypertension was transferred to our institution for evaluation of refractory hypoxemia. After taking an initial dose of HCTZ earlier in the day, he developed progressive respiratory failure and was intubated at a referring hospital...
October 9, 2018: Journal of Emergency Medicine
James D Fortenberry
No abstract text is available yet for this article.
November 2018: Critical Care Medicine
Andrew C Argent
No abstract text is available yet for this article.
November 2018: Critical Care Medicine
Kali A Barrett, Neil Hawkins, Eddy Fan
OBJECTIVES: Venovenous extracorporeal membrane oxygenation is increasingly being used to support patients with severe acute respiratory distress syndrome, but its cost-effectiveness is unknown. We assessed the cost-utility of venovenous extracorporeal membrane oxygenation for severe acute respiratory distress syndrome in adults compared with standard lung protective ventilation from the perspective of the healthcare system. DESIGN: We conducted a cost-utility analysis with a cohort state transition decision model using a lifetime time horizon, 1...
October 11, 2018: Critical Care Medicine
Takeshi Katsube, Satoshi Saito, Hiroyuki Tsukui, Kenji Yamazaki, Hiroshi Niinami
A 61-year-old man presented by ambulance with dyspnea. He was diagnosed with myocardial infarction complicated with ventricular septal perforation (VSP), and intraaortic balloon pumping support and intensive care were started. Because of instability of hemodynamic status, modified David-Komeda operation with double patch was performed in the subacute phase of VSP. Although he developed acute respiratory distress syndrome( ARDS) on the 21st day after operation, he was successfully treated with corticosteroid pulse therapy and artificial ventilation...
October 2018: Kyobu Geka. the Japanese Journal of Thoracic Surgery
Yang Jin, Zongmei Wen
Inflammasomes are key inflammatory signaling platforms that detect several stimulus derived from microbial substances and sterile environmental insults, eliciting pyroptosis and the release of cytokines. Recent studies have found that inflammasomes could also elicit cell hyperactivation which is defined as living cells that release interleukin-1 (IL-1). Hyperactive cells promote long-term IL-1 release and then activate adaptive immune response, which has a pivotal role in the infection of Salmonella and Staphylococcus aureus, as well as in non-lethal inflammatory sepsis...
September 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
Qi Liu, Yuying Guo, Mengtian Shan, Chao Lan, Rongchang Chen
OBJECTIVE: To explore the effect of lung strain on breathing mechanics in dogs with acute respiratory distress syndrome (ARDS). METHODS: Twenty-four healthy male Beagle dogs were recruited to reproduce medium ARDS models with venous injection of 0.18 mL/kg oleic acid, and they were randomly assigned to five groups with random numbers table method. In lung protective ventilation (LPV) group (n = 4), the ventilation was supported for 24 hours with tidal volume (VT) at 6-8 mL/kg, and in lung strain 1...
September 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
Michael W Sjoding, Michelle N Gong, Carl F Haas, Theodore J Iwashyna
OBJECTIVES: Mechanical ventilation with low tidal volumes is recommended for all patients with acute respiratory distress syndrome and may be beneficial to other intubated patients, yet consistent implementation remains difficult to obtain. Using detailed electronic health record data, we examined patterns of tidal volume administration, the effect on clinical outcomes, and alternate metrics for evaluating low tidal volume compliance in clinical practice. DESIGN: Observational cohort study...
October 10, 2018: Critical Care Medicine
Lina Huang, Xiaohua Zhang, Xiaohong Ma, Dong Zhang, Dongxiao Li, Jiali Feng, Xinjie Pan, Junhong Lü, Xiaozhi Wang, Xiangyong Liu
In the pathogenesis of acute respiratory distress syndrome (ARDS), an increase in vascular endothelial permeability may trigger pulmonary edema and ultimately lead to respiratory failure. Endothelial glycocalyx damage is an important factor that causes an increase in vascular endothelial permeability. Berberine (BBR) is an isoquinoline alkaloid extracted from Coptis chinensis, a plant used in traditional Chinese medicine that exerts multiple pharmacological effects. In this study, pretreatment with BBR inhibited the increase in vascular endothelial permeability in mice with lipopolysaccharide (LPS)-induced ARDS...
October 8, 2018: International Immunopharmacology
Aline Taoum, Farah Mourad-Chehade, Hassan Amoud
Acute respiratory distress syndrome (ARDS) is a critical condition that disturbs the respiratory system and may lead to death. Early identification of this syndrome is crucial for the implementation of preventive measures. The present paper focuses on the prediction of the onset of this syndrome using physiological records of patients. Heart rate, respiratory rate, peripheral arterial oxygen saturation and mean airway blood pressure were considered. The method proposed in this paper uses first distance-based novelty detection that allows detecting deviations from normal states for each signal...
October 4, 2018: Computers in Biology and Medicine
Sanjay Vikrant, Ajay Jaryal, Dalip Gupta, Anupam Parashar
AIM: To study the epidemiology and outcome of acute kidney injury (AKI) caused by venomous animals. METHODS: A retrospective study of patients admitted at Indira Gandhi Medical College Hospital, Shimla, with AKI due to venomous animals over a period of 15 years (January 2003-December 2017). Medical records were evaluated for patient information on demographic factors, clinical characteristics, complications, and outcome. Outcomes of requirement for intensive care unit (ICU) support, treatment with dialysis, survival, and mortality were analyzed...
October 11, 2018: Clinical Toxicology
Malik Benlabed, Anthony Martin Mena, Romain Gaudy, Maxime Perez, Stéphanie Genay, Jean-Daniel Hecq, Pascal Odou, Gilles Lebuffe, Bertrand Décaudin
BACKGROUND: In critically ill patients, drug incompatibilities frequently occur because of the number of drugs to be administered through a limited number of infusion lines. These are among the main causes of particulate contamination. However, little data is available to quantify particle exposure during simultaneous IV-drug infusion. The objective of this study was to evaluate the particulate matter potentially administered to critically ill patients. METHODS: The particulate matter (between 1 μm and 30 mm) of infused therapies used in ICUs for patients suffering from either septic shock or acute respiratory distress syndrome was measured in vitro over 6 h using a dynamic image analysis device, so that both overall particulate contamination and particle sizes could be determined...
October 11, 2018: Intensive Care Medicine Experimental
Parya Aghasafari, Uduak George, Ramana Pidaparti
BACKGROUND: Inflammation in the lung is the body's natural response to injury. It acts to remove harmful stimuli such as pathogens, irritants, and damaged cells and initiate the healing process. Acute and chronic pulmonary inflammation are seen in different respiratory diseases such as; acute respiratory distress syndrome, chronic obstructive pulmonary disease (COPD), asthma, and cystic fibrosis (CF). FINDINGS: In this review, we found that inflammatory response in COPD is determined by the activation of epithelial cells and macrophages in the respiratory tract...
October 10, 2018: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
M Schmid, C Dodt
Acute and emergency physicians need to make rapid and far-reaching decisions on the basis of little diagnostic information. In patients with symptoms suggestive of a cardiopulmonary diagnosis, point-of-care lung ultrasound (LUS) is becoming increasingly used. In patients with acute dyspnea, chest pain and shock, LUS increases the diagnostic reliability. The BLUE protocol helps to differentiate important diagnoses of acute dyspnea (pulmonary edema, pneumonia, acute respiratory distress syndrome, pulmonary embolism, pleural effusions or pneumothorax)...
October 10, 2018: Medizinische Klinik, Intensivmedizin und Notfallmedizin
Hiroko Aoyama, Yoshitsugu Yamada, Eddy Fan
Background: Management of patients with acute respiratory distress syndrome (ARDS) remains supportive with lung protective mechanical ventilation. In this article, we discuss the physiological concept of driving pressure, current data, ongoing trials, and future directions needed to clarify the role of driving pressure in patients with ARDS. Body: Driving pressure is the plateau airway pressure minus PEEP. It can also be expressed as the ratio of tidal volume to respiratory system compliance, indicating the decreased functional size of the lung observed in patients with ARDS (i...
2018: Journal of Intensive Care
Sarah J Peterson, Liam McKeever, Omar B Lateef, Sally Freels, Giamila Fantuzzi, Carol A Braunschweig
OBJECTIVES: Among critically ill patients, the benefits of nutrition support may vary depending on severity of organ dysfunction. The objective of the current article was to explore the relationship between organ failure and calories exposure with hospital mortality during the first week of acute respiratory distress syndrome. DESIGN: Retrospective observational study. SETTING: Single-center ICU. PATIENTS: Adults admitted to the ICU with a diagnosis of acute respiratory distress syndrome...
October 9, 2018: Critical Care Medicine
Lisa E Gralinski, Timothy P Sheahan, Thomas E Morrison, Vineet D Menachery, Kara Jensen, Sarah R Leist, Alan Whitmore, Mark T Heise, Ralph S Baric
Acute respiratory distress syndrome (ARDS) is immune-driven pathologies that are observed in severe cases of severe acute respiratory syndrome coronavirus (SARS-CoV) infection. SARS-CoV emerged in 2002 to 2003 and led to a global outbreak of SARS. As with the outcome of human infection, intranasal infection of C57BL/6J mice with mouse-adapted SARS-CoV results in high-titer virus replication within the lung, induction of inflammatory cytokines and chemokines, and immune cell infiltration within the lung. Using this model, we investigated the role of the complement system during SARS-CoV infection...
October 9, 2018: MBio
Arnaud W Thille, Jean-Pierre Frat
PURPOSE OF REVIEW: Noninvasive ventilation (NIV) is widely used in ICU patients to treat or to prevent acute respiratory failure. Whereas its physiological effects are clearly beneficial in hypercapnic patients, it could be deleterious in hypoxemic patients without hypercapnia. RECENT FINDINGS: NIV should be cautiously used in patients with de-novo respiratory failure, the vast majority of whom meet the criteria for acute respiratory distress syndrome. Spontaneous breathing with high tidal volumes may worsen lung injury in these patients, and recent findings suggest that NIV may increase the risk of mortality...
October 6, 2018: Current Opinion in Critical Care
Xiujuan Yan, Yingxiu Li, Yun Ho Choi, Chongyang Wang, Yihua Piao, Jing Ye, Jingzhi Jiang, Liangchang Li, Huixian Xu, Qingsong Cui, Guanghai Yan, Minggen Jin
BACKGROUND This study investigated the role and mechanism of alprostadil in acute respiratory distress syndrome (ARDS) induced by oleic acid (OA) in rats. MATERIAL AND METHODS Sprague-Dawley rats were randomly divided into control, OA model, and OA + Alprostadil (2.5, 5, and 10 μg/kg, respectively) groups. The ARDS model was induced by femoral vein injection of OA, and alprostadil was administrated immediately. Lung injury was evaluated by lung wet-dry weight ratio (W/D) and histological analyses. Expressions of ACE, inflammatory mediators, apoptotic-related proteins, and proteins in the MAPKs and NF-κB signaling pathways were determined by Western blot or immunohistochemical staining...
October 8, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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