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Acute lung edema

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https://www.readbyqxmd.com/read/29784497/cystic-fibrosis-and-lower-extremity-edema-a-case-of-intraoperative-diagnosis-of-acute-deep-venous-thrombosis-and-pulmonary-embolism-in-a-double-lung-transplant-recipient-using-point-of-care-ultrasound
#1
Vladyslav Melnyk, Dennis Phillips, Travis Schisler, Kathirvel Subramaniam
No abstract text is available yet for this article.
April 21, 2018: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29783158/pirfenidone-ameliorates-lipopolysaccharide-induced-pulmonary-inflammation-and-fibrosis-by-blocking-nlrp3-inflammasome-activation
#2
Yi Li, Haitao Li, Shuai Liu, Pinhua Pan, Xiaoli Su, Hongyi Tan, Dongdong Wu, Lemeng Zhang, Chao Song, Minhui Dai, Qian Li, Zhi Mao, Yuan Long, Yongbin Hu, Chengping Hu
Acute respiratory distress syndrome(ARDS)is a severe clinical disorder characterized by its acute onset, diffuse alveolar damage, intractable hypoxemia, and non-cardiogenic pulmonary edema. Acute lung injury(ALI) can trigger persistent lung inflammation and fibrosis through activation of the NLRP3 inflammasome and subsequent secretion of mature IL-1β, suggesting that the NLRP3 inflammasome is a potential therapeutic target for ALI, for which new therapeutic approaches are needed. Our present study aims to assess whether pirfenidone,with anti-fibrotic and anti-inflammatory properties, can improve LPS-induced inflammation and fibrosis by inhibiting NLRP3 inflammasome activation...
May 18, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29773297/the-clinical-practice-of-high-flow-nasal-cannula-oxygen-therapy-in-adults-a-japanese-cross-sectional-multicenter-survey
#3
Jiro Ito, Kazuma Nagata, Susumu Sato, Akira Shiraki, Naoki Nishimura, Shinyu Izumi, Ryo Tachikawa, Takeshi Morimoto, Keisuke Tomii
BACKGROUND: High-flow nasal cannula oxygen therapy (HFNC) is widely used mainly in the acute care setting, but limited data are available on real-world practice in adults. The objective of this study was to describe HFNC practices in Japanese adults. METHODS: A retrospective cross-sectional multicenter survey of adult patients receiving HFNC from January through March 2015 was conducted in 33 participating hospitals in Japan. RESULTS: We obtained information on 321 patients (median age, 76; 218 men, 103 women; median estimated PaO2 /FI O2, 178 mm Hg) from 22 hospitals...
May 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29767265/knockdown-of-tnf%C3%A2-%C3%AE-alleviates-acute-lung-injury-in-rats-with-intestinal-ischemia-and-reperfusion-injury-by-upregulating-il%C3%A2-10-expression
#4
Zhen Yang, Xue-Rong Zhang, Qiong Zhao, Sheng-Lan Wang, Liu-Lin Xiong, Piao Zhang, Bing Yuan, Zi-Bing Zhang, Shu-Yuan Fan, Ting-Hua Wang, Yun-Hui Zhang
Intestinal ischemia and reperfusion (II/R) injury often triggers severe injury in remote organs, with the lungs being considered the main target. Excessive elevation of proinflammatory cytokines is a major contributor in the occurrence and development of II/R‑induced acute lung injury (ALI). Therefore, the present study aimed to investigate whether blocking tumor necrosis factor‑α (TNF‑α) expression could protect the lungs from injury following II/R, and to explore the possible underlying mechanism involving interleukin‑10 (IL‑10)...
May 14, 2018: International Journal of Molecular Medicine
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
#5
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/29753517/liberal-versus-restrictive-intravenous-fluid-therapy-for-early-septic-shock-rationale-for-a-randomized-trial
#6
Wesley H Self, Matthew W Semler, Rinaldo Bellomo, Samuel M Brown, Bennett P deBoisblanc, Matthew C Exline, Adit A Ginde, Colin K Grissom, David R Janz, Alan E Jones, Kathleen D Liu, Stephen P J Macdonald, Chadwick D Miller, Pauline K Park, Lora A Reineck, Todd W Rice, Jay S Steingrub, Daniel Talmor, Donald M Yealy, Ivor S Douglas, Nathan I Shapiro
Prompt intravenous fluid therapy is a fundamental treatment for patients with septic shock. However, the optimal approach for administering intravenous fluid in septic shock resuscitation is unknown. Two competing strategies are emerging: a liberal fluids approach, consisting of a larger volume of initial fluid (50 to 75 mL/kg [4 to 6 L in an 80-kg adult] during the first 6 hours) and later use of vasopressors, versus a restrictive fluids approach, consisting of a smaller volume of initial fluid (≤30 mL/kg [≤2 to 3 L]), with earlier reliance on vasopressor infusions to maintain blood pressure and perfusion...
May 9, 2018: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/29752900/ubiquitin-proteasome-signaling-in-lung-injury
#7
REVIEW
Natalia D Magnani, Laura A Dada, Jacob I Sznajder
Cell homeostasis requires precise coordination of cellular protein function. Ubiquitination is a post-translational modification that modulates protein half-life and function, and is tightly regulated by ubiquitin E3 ligases and deubiquitinating enzymes. Lung injury can progress to acute respiratory distress syndrome, which is characterized by an inflammatory response and disruption of the alveolo-capillary barrier resulting in alveolar edema accumulation and hypoxemia. Ubiquitination plays an important role in the pathobiology of acute lung injury as it regulates the proteins modulating the alveolo-capillary barrier and the inflammatory response...
April 23, 2018: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/29750051/angiotensin-ii-type-2-receptor-agonist-compound-21-attenuates-pulmonary-inflammation-in-a-model-of-acute-lung-injury
#8
Mario Menk, Jan Adriaan Graw, Clarissa von Haefen, Hendrik Steinkraus, Burkhard Lachmann, Claudia D Spies, David Schwaiberger
Purpose: Although the role of the angiotensin II type 2 (AT2) receptor in acute lung injury is not yet completely understood, a protective role of this receptor subtype has been suggested. We hypothesized that, in a rodent model of acute lung injury, stimulation of the AT2 receptor with the direct agonist Compound 21 (C21) might have a beneficial effect on pulmonary inflammation and might improve pulmonary gas exchange. Materials and methods: Male adult rats were divided into a treatment group that received pulmonary lavage followed by mechanical ventilation (LAV, n=9), a group receiving pulmonary lavage, mechanical ventilation, and direct stimulation of the AT2 receptor with C21 (LAV+C21, n=9), and a control group that received mechanical ventilation only (control, n=9)...
2018: Journal of Inflammation Research
https://www.readbyqxmd.com/read/29737632/mesenchymal-stem-cell-microvesicles-restore-protein-permeability-across-primary-cultures-of-injured-human-lung-microvascular-endothelial-cells
#9
Shuling Hu, Jeonghyun Park, Airan Liu, JaeHoon Lee, Xiwen Zhang, Qi Hao, Jae-Woo Lee
Our previous study demonstrated that mesenchymal stem cell (MSC) microvesicles (MV) reduced lung inflammation, protein permeability, and pulmonary edema in endotoxin-induced acute lung injury in mice. However, the underlying mechanisms for restoring lung protein permeability were not fully understood. In this current study, we hypothesized that MSC MV would restore protein permeability across injured human lung microvascular endothelial cells (HLMVEC) in part through the transfer of angiopoietin-1 (Ang1) mRNA to the injured endothelium...
May 8, 2018: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29730819/artesunate-inhibits-renal-ischemia-reperfusion-mediated-remote-lung-inflammation-through-attenuating-ros-induced-activation-of-nlrp3-inflammasome
#10
Zhaohui Liu, Min Qu, Lili Yu, Panpan Song, Yulin Chang
The molecular mechanisms of acute lung injury (ALI) are closely associated with nucleotide-binding domains and leucine-rich repeat (NLR) pyrin domains containing 3 (NLRP3) inflammasome, in which alveolar macrophages (AMs) exert an essential function. Our study has been proved that artesunate (AS) inhibits ALI. Nevertheless, the inhibition actions of AS on activation of NLRP3 in renal ischemia-reperfusion (RIR)-mediated ALI remain to be further discussed. Male Sprague-Dawley rats were randomly assigned into four groups: sham + NS, sham + AS, RIR + NS, and RIR + AS...
May 5, 2018: Inflammation
https://www.readbyqxmd.com/read/29722341/halogen-inhalation-induced-lung-injury-and-acute-respiratory-distress-syndrome
#11
REVIEW
Ting Zhou, Wei-Feng Song, You Shang, Shang-Long Yao, Sadis Matalon
Objective: Exposure to halogens, such as chlorine or bromine, results in environmental and occupational hazard to the lung and other organs. Chlorine is highly toxic by inhalation, leading to dyspnea, hypoxemia, airway obstruction, pneumonitis, pulmonary edema, and acute respiratory distress syndrome (ARDS). Although bromine is less reactive and oxidative than chlorine, inhalation also results in bronchospasm, airway hyperresponsiveness, ARDS, and even death. Both halogens have been shown to damage the systemic circulation and result in cardiac injury as well...
May 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29719782/beneficial-effects-of-houttuynia-cordata-polysaccharides-on-two-hit-acute-lung-injury-and-endotoxic-fever-in-rats-associated-with-anti-complementary-activities
#12
Yan Lu, Yun Jiang, Lijun Ling, Yunyi Zhang, Hong Li, Daofeng Chen
Houttuynia cordata Thunb. is a traditional herb used for clearing heat and eliminating toxins, and has also been used for the treatment of severe acute respiratory syndrome (SARS). In vitro, the crude H. cordata polysaccharides (CHCP) exhibited potent anti-complementary activity through both the classical and alternative pathways by acting on components C3 and C4 of the complement system without interfering with the coagulation system. This study was to investigate the preventive effects of CHCP on acute lung injury (ALI) induced by hemorrhagic shock plus lipopolysaccharide (LPS) instillation (two-hit) and LPS-induced fever in rats...
March 2018: Acta Pharmaceutica Sinica. B
https://www.readbyqxmd.com/read/29715123/takotsubo-cardiomyopathy-developed-after-two-stage-surgery-for-double-primary-lung-cancer
#13
Fumihiko Kinoshita, Gouji Toyokawa, Tetsuzo Tagawa, Taichi Matsubara, Yuka Kozuma, Naoki Haratake, Shinkichi Takamori, Takaki Akamine, Fumihiko Hirai, Yoshihiko Maehara
Takotsubo cardiomyopathy (TC) is a syndrome characterized by transient local systolic dysfunction of the left ventricle with no evidence of coronary artery disease or acute plaque rupture. We present the case of 71-year-old woman who developed TC after two-stage surgery for double primary lung cancer. On computed tomography, lung nodules were identified in the left upper and right middle lobes. Based on the diagnosis of double primary lung cancer, we performed two-stage surgery (left upper lobectomy followed by right middle lobectomy)...
May 2018: Anticancer Research
https://www.readbyqxmd.com/read/29714090/substrate-stiffness-dependent-exacerbation-of-endothelial-permeability-and-inflammation-mechanisms-and-potential-implications-in-ali-and-ph-2017-grover-conference-series
#14
Pratap Karki, Anna A Birukova
The maintenance of endothelial barrier integrity is absolutely essential to prevent the vascular leak associated with pneumonia, pulmonary edema resulting from inhalation of toxins, acute elevation to high altitude, traumatic and septic lung injury, acute lung injury (ALI), and its life-threatening complication, acute respiratory distress syndrome (ARDS). In addition to the long-known edemagenic and inflammatory agonists, emerging evidences suggest that factors of endothelial cell (EC) mechanical microenvironment such as blood flow, mechanical strain of the vessel, or extracellular matrix stiffness also play an essential role in the control of endothelial permeability and inflammation...
April 2018: Pulmonary Circulation
https://www.readbyqxmd.com/read/29708892/continuous-negative-abdominal-pressure-reduces-ventilator-induced-lung-injury-in-a-porcine-model
#15
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/29703148/deletion-of-soluble-epoxide-hydrolase-attenuates-mice-hyperoxic-acute-lung-injury
#16
Li-Ping Liu, Bin Li, Tian-Kui Shuai, Lei Zhu, Yu-Min Li
BACKGROUND: Recent studies reported that soluble epoxide hydrolase (sEH) plays an important role in lung diseases. However, the role of sEH in hyperoxia-induced ALI is unclear. METHODS: ALI was induced by exposure to 100% oxygen in an airtight cage for 72 h in wild-type (WT) and sEH gene deletion (EPHX2-/- ) mice. ALI was assessed by the lung dry/wet ratio, alveolar capillary protein leak, and the infiltration of inflammatory cells in the lung. RESULTS: Hyperoxia elevated sEH activity in WT mice...
April 27, 2018: BMC Anesthesiology
https://www.readbyqxmd.com/read/29700291/protectin-dx-increases-alveolar-fluid-clearance-in-rats-with-lipopolysaccharide-induced-acute-lung-injury
#17
Xiao-Jun Zhuo, Yu Hao, Fei Cao, Song-Fan Yan, Hui Li, Qian Wang, Bi-Huan Cheng, Bin-Yu Ying, Fang Gao Smith, Sheng-Wei Jin
Acute respiratory distress syndrome is a life-threatening critical syndrome resulting largely from the accumulation of and the inability to clear pulmonary edema. Protectin DX, an endogenously produced lipid mediator, is believed to exert anti-inflammatory and pro-resolution effects. Protectin DX (5 µg/kg) was injected i.v. 8 h after LPS (14 mg/kg) administration, and alveolar fluid clearance was measured in live rats (n = 8). In primary rat ATII epithelial cells, protectin DX (3.605 × 10-3  mg/l) was added to the culture medium with LPS for 6 h...
April 27, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29695557/effects-of-medium-molecular-weight-heparinyl-arginine-on-scorpion-venom-induced-pulmonary-edema-in-rats
#18
Seiichi Takeda, Takao Toda, Kazuki Nakamura
BACKGROUND/AIM: The aim of this study was to examine the inhibitory action of medium molecular weight heparinyl amino acid derivatives (MHADs) on scorpion venom (SV)-induced acute pulmonary edema. MATERIALS AND METHODS: SV was injected into the tail vein of rats after MHAD pre-treatment. An hour later, lungs were removed from each experimental animal, followed by measurement of the lung/body index (LBI) and Na+ /K+ ratio of the pulmonary tissue as indices for acute pulmonary edema...
May 2018: In Vivo
https://www.readbyqxmd.com/read/29695409/soy-phosphatidylglycerol-reduces-inflammation-in-a-contact-irritant-ear-edema-mouse-model-in-vivo
#19
Ding Xie, Vivek Choudhary, Mutsa Seremwe, John G Edwards, Angela Wang, Aaron C Emmons, Katherine A Bollag, Maribeth H Johnson, Wendy B Bollag
We have previously shown that phosphatidylglycerol (PG) regulates the function of keratinocytes, the predominant cells that comprise the epidermis, inhibiting the proliferation of rapidly dividing keratinocytes. In particular, soy PG, a PG mixture with a high proportion of polyunsaturated fatty acids, is efficacious at inhibiting these proliferating keratinocytes. Psoriasis is a skin disorder characterized by hyperproliferation of keratinocytes and inflammation. Data in the lung suggest that PG in pulmonary surfactant inhibits inflammation...
April 25, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29694408/vitexin-attenuates-lipopolysaccharide-induced-acute-lung-injury-by-controlling-the-nrf2-pathway
#20
Ying Lu, Ting Yu, Jingyao Liu, Lina Gu
BACKGROUND: A major feature of acute lung injury (ALI) is excessive inflammation in the lung. Vitexin is an active component from medicinal plants which has antioxidant and anti-inflammatory activities. Oxidative stress and inflammation play important roles in the pathophysiological processes in ALI. In the current study, we investigate the effect and potential mechanisms of Vitexin on lipopolysaccharide (LPS)-induced ALI. METHODS: ALI was induced by LPS intratracheal instillation in C57BL/6 wild-type mice and Nrf2 gene knocked down (Nrf2-/-) mice...
2018: PloS One
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