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Acute edema pulmonary

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https://www.readbyqxmd.com/read/28088675/involvement-of-water-channel-aquaporin-5-in-h2s-induced-pulmonary-edema
#1
Chunyang Xu, Lei Jiang, Yuxia Zou, Jingjing Xing, Hao Sun, Baoli Zhu, Hengdong Zhang, Jun Wang, Jinsong Zhang
Acute exposure to hydrogen sulfide (H2S) poses a significant threat to life, and the lung is one of the primary target organs of H2S. However, the mechanisms involved in H2S-induced acute pulmonary edema are poorly understood. This study aims to investigate the effects of H2S on the expression of water channel aquaporin 5 (AQP5) and to elucidate the signaling pathways involved in AQP5 regulation. In an in vivo study, C57BL6 mice were exposed to sub-lethal concentrations of inhaled H2S, and histological injury of the lungs and ultrastructure injury of the epithelial cells were evaluated...
December 30, 2016: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28078172/gastric-rupture-in-pregnancy-case-series-from-a-tertiary-institution-in-rwanda-and-review-of-the-literature
#2
David Ntirushwa, Stephen Rulisa, Febronie Muhorakeye, Lisa Bazzett-Matabele, Theogene Rurangwa, Maria Small
Background Gastric rupture is a rare, life-threatening condition during pregnancy. Case study We present three cases of gastric perforation during pregnancy and the puerperium. The first patient presented with gastric perforation 4 days following an uncomplicated cesarean delivery for obstetric indications. She initially complained of epigastric pain; however, those symptoms resolved. She later demonstrated worsening abdominal distension, intra-abdominal free fluid, and signs of peritonitis. At laparotomy, an ascariasis-associated gastric rupture was diagnosed...
October 2016: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28074663/primary-graft-dysfunction-pathophysiology-to-guide-new-preventive-therapies
#3
Ciara M Shaver, Lorraine B Ware
Primary graft dysfunction (PGD) is a common complication of lung transplantation characterized by acute pulmonary edema associated with bilateral pulmonary infiltrates and hypoxemia in the first 3 post-operative days. Development of PGD is a predictor of poor short- and long-term outcomes after lung transplantation, but there are currently limited tools to prevent its occurrence. Areas covered: Several potentially modifiable donor, recipient, and operative risk factors for PGD have been identified. In addition, basic and translational studies in animals and ex vivo lung perfusion systems have identified several biomarkers and mechanisms of injury in PGD...
January 11, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28074497/in-vivo-imaging-of-the-progression-of-acute-lung-injury-using-hyperpolarized-1-13-c-pyruvate
#4
Mehrdad Pourfathi, Yi Xin, Stephen J Kadlecek, Maurizio F Cereda, Harrilla Profka, Hooman Hamedani, Sarmad M Siddiqui, Kai Ruppert, Nicholas A Drachman, Jennia N Rajaei, Rahim R Rizi
PURPOSE: To investigate pulmonary metabolic alterations during progression of acute lung injury. METHODS: Using hyperpolarized [1-(13) C] pyruvate imaging, we measured pulmonary lactate and pyruvate in 15 ventilated rats 1, 2, and 4 h after initiation of mechanical ventilation. Lung compliance was used as a marker for injury progression. 5 untreated rats were used as controls; 5 rats (injured-1) received 1 ml/kg and another 5 rats (injured-2) received 2 ml/kg hydrochloric acid (pH 1...
January 11, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28072695/acute-pulmonary-edema-caused-by-takotsubo-cardiomyopathy-in-a-pregnant-woman-undergoing-transvaginal-cervical-cerclage-a-case-report
#5
Jae-Young Lee, Hyun-Jung Kwon, Sang-Wook Park, Yu-Mi Lee
BACKGROUND: The physiological changes associated with pregnancy may predispose pregnant women to pulmonary edema. Other known causes of pulmonary edema during pregnancy include tocolytic drugs, preeclampsia, eclampsia, and peripartum cardiomyopathy. METHODS: We describe a rare case of pulmonary edema caused by takotsubo cardiomyopathy in a pregnant woman at 14 weeks of gestation who was undergoing emergency transvaginal cervical cerclage. RESULTS: Intraoperative chest radiography revealed severe pulmonary edema and echocardiography indicated moderate left ventricular dysfunction with akinesia of the mid to apical left ventricular wall segment, which is reflective of takotsubo cardiomyopathy...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28070482/pulmonary-veno-occlusive-disease-two-children-with-gradual-disease-progression
#6
Ronald W Day, Parker W Clement, Aimee O Hersh, Susan M Connors, Kelli L Sumner, D Hunter Best, Mouied Alashari
Pulmonary veno-occlusive disease and pulmonary capillary hemangiomatosis are rare forms of pulmonary vascular disease. We report two cases of affected children who had evidence of pulmonary hypertension 3-5 years before developing radiographic findings of pulmonary veno-occlusive disease or pulmonary capillary hemangiomatosis. Both patients experienced a moderate decrease in pulmonary arterial pressure during acute vasodilator testing. Both patients experienced an improvement in six-minute walk performance without an increase in pulmonary edema when treated with targeted therapy for pulmonary hypertension...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28068646/sclareol-ameliorate-lipopolysaccharide-induced-acute-lung-injury-through-inhibition-of-mapk-and-induction-of-ho-1-signaling
#7
Yung-Hung Hsieh, Jeng-Shyan Deng, Hsin-Pao Pan, Jung-Chun Liao, Shyh-Shyun Huang, Guan-Jhong Huang
Sclareol is a natural fragrance compound that is used widely in the cosmetic and food industries. This study examined the effect of sclareol on lipopolysaccharide (LPS)-induced acute lung injury (ALI) in mice. Mice were treated with sclareol 1h before an intratracheal (I.T.) LPS challenge to induce an ALI model. The effects on lung tissue and lung injury were evaluated 6h after LPS induction. Pretreatment with sclareol noticeably improved the LPS-induced histological alterations and edema in lung tissue. Sclareol also inhibited the release of pro-inflammatory mediators...
January 6, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28056277/-direct-medical-costs-and-influencing-factors-in-severe-hand-foot-and-mouth-disease-in-children-aged-between-six-months-and-five-years-old
#8
Y M Zheng, J Yang, Q H Liao
Objective: To estimate the direct medical cost of severe hand, foot and mouth disease (HFMD) in patients aged less than five years. Methods: A stratified sampling method was used to collect data on severe HFMD cases reported in the National HFMD surveillance database between Jan 1, 2012, and Dec 31, 2013. The sampling was referenced with the national aetiologic distribution of Enterovirus A71 (EV-A71), Coxsackievirus A16 (CV-A16) and other Enteroviruses (OEV) for severe HFMD cases and the included cases were distributed among seven geographic regions (Northeast, North China, Northwest, Central China, Southwest, East China and South China)...
January 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28052283/the-feasibility-of-conservative-management-for-morbidly-adherent-placenta-accidentally-encountered-after-vaginal-delivery
#9
Ran Cui, Junli Lu, Zhenyu Zhang, Huimin Bai
OBJECTIVE: To evaluate the feasibility of conservative management for patients with morbidly adherent placenta (MAP) accidentally encountered after term vaginal delivery. METHODS: Medical records of patients with MAP who were accidentally encountered after term vaginal delivery and treated in our hospital from January 2009 to December 2015 were retrospectively reviewed. RESULTS: A total of 8 eligible patients were included in this analysis...
January 5, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28046003/cxcl10-ip-10-neutralization-can-ameliorate-lipopolysaccharide-induced-acute-respiratory-distress-syndrome-in-rats
#10
Shan Lang, Libing Li, Xuning Wang, Junping Sun, Xinying Xue, Yongjiu Xiao, Mingyue Zhang, Ting Ao, Jianxin Wang
The role of C-X-C motif chemokine 10 (CXCL10), a pro-inflammatory factor, in the development of acute respiratory distress syndrome (ARDS) remains unclear. In this study, we explored the role of CXCL10 and the effect of CXCL10 neutralization in lipopolysaccharide (LPS)-induced ARDS in rats. The expression of CXCL10 and its receptor chemokine receptor 3(CXCR3) increased after LPS induction. Moreover, neutralization of CXCL10 ameliorated the severity of ARDS by reducing pulmonary edema, inhibiting the release of inflammatory mediators (IFN-γ, IL-6 and ICAM-1) and limiting inflammatory cells (neutrophils, macrophages, CD8+ T cells) influx into the lung, with a reduction in CXCR3 expression in neutrophils and macrophages...
2017: PloS One
https://www.readbyqxmd.com/read/28040612/association-of-obstructive-sleep-apnea-with-adverse-pregnancy-related-outcomes-in-military-hospitals
#11
Dennis L Spence, Rhonda C Allen, Monica A Lutgendorf, Virginia R Gary, John D Richard, Sara C Gonzalez
BACKGROUND: Obstructive sleep apnea (OSA) is associated with significant morbidity and mortality in non-obstetrical and obstetrical patients. OBJECTIVES: To estimate the prevalence of OSA and its relationship with pregnancy-related complications in a general obstetric population of Department of Defense beneficiaries receiving direct-care at military treatment facilities. STUDY DESIGN: A retrospective cohort study of all women (N=305,001) who gave birth at a military treatment facility from 2008 to 2014...
December 14, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28039487/glabridin-attenuates-lipopolysaccharide-induced-acute-lung-injury-by-inhibiting-p38mapk-erk-signaling-pathway
#12
Li-Peng Zhang, Yan Zhao, Guo-Juan Liu, Da-Gang Yang, Yi-Huan Dong, Li-Hua Zhou
BACKGROUND: Acute respiratory distress syndrome (ARDS) is a complication caused by pulmonary and/or external factors. In this study, we investigated the protective mechanisms of glabridin in lipopolysaccharide (LPS) induced ARDS in rats. RESULTS: GLA treatment at dose of 30 mg/kg decreased LPS-induced lung W/D ratio and alleviated evident lung histopathological changes. Expressions of TNF-α and IL-18 were suppressed by GLA in plasma. The levels of SPA, MDA and NO in lung were down-regulated significantly in groups administrated with GLA...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/28036088/current-concepts-of-ards-a-narrative-review
#13
REVIEW
Michele Umbrello, Paolo Formenti, Luca Bolgiaghi, Davide Chiumello
Acute respiratory distress syndrome (ARDS) is characterized by the acute onset of pulmonary edema of non-cardiogenic origin, along with bilateral pulmonary infiltrates and reduction in respiratory system compliance. The hallmark of the syndrome is refractory hypoxemia. Despite its first description dates back in the late 1970s, a new definition has recently been proposed. However, the definition remains based on clinical characteristic. In the present review, the diagnostic workup and the pathophysiology of the syndrome will be presented...
December 29, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28031106/-protective-effect-of-human-amnion-epithelial-cells-through-endotracheal-instillation-against-lipopolysaccharide-induced-acute-lung-injury-in-mice
#14
Yanmin Xia, Wenchen Wang, Hong Zhang, Jiakuan Chen, Ming Wang, Zhonghu Ge, Jian Wang, Tao Jiang
Objective To investigate the therapeutic effect of human amnion epithelial cells (hAECs) through endotracheal instillation on acute lung injury (ALI) induced by lipopolysaccharide (LPS) in mice and its underlying mechanism. Methods Male C57BL/6 mice were randomly divided into normal control group, hAECs control group, LPS-induced ALI group and hAECs treatment group (n=10 each group). In the latter two groups, mice were subjected to LPS (5 mg/kg) by oral insertion, and 1 hour later, PBS (50 μL) and hAECs (1×10(7)/mL, 50 μL) were administered by oral insertion in the two groups, respectively...
January 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28005953/pathophysiological-consequences-of-a-break-in-s1p1-dependent-homeostasis-of-vascular-permeability-revealed-by-s1p1-competitive-antagonism
#15
Marc Bigaud, Zuhal Dincer, Birgit Bollbuck, Janet Dawson, Nicolau Beckmann, Christian Beerli, Gina Fishli-Cavelti, Michaela Nahler, Daniela Angst, Philipp Janser, Heike Otto, Elisabeth Rosner, Rene Hersperger, Christian Bruns, Jean Quancard
RATIONAL: Homeostasis of vascular barriers depends upon sphingosine 1-phosphate (S1P) signaling via the S1P1 receptor. Accordingly, S1P1 competitive antagonism is known to reduce vascular barrier integrity with still unclear pathophysiological consequences. This was explored in the present study using NIBR-0213, a potent and selective S1P1 competitive antagonist. RESULTS: NIBR-0213 was tolerated at the efficacious oral dose of 30 mg/kg BID in the rat adjuvant-induced arthritis (AiA) model, with no sign of labored breathing...
2016: PloS One
https://www.readbyqxmd.com/read/28005404/anti-histone-properties-of-c1-esterase-inhibitor-protect-against-lung-injury
#16
Malgorzata Wygrecka, Djuro Kosanovic, Lukasz Wujak, Katrin Reppe, Ingrid Henneke, Helena Frey, Miroslava Didiasova, Grazyna Kwapiszewska, Leigh M Marsh, Nelli Baal, Holger Hackstein, Dariusz Zakrzewicz, Holger C Müller-Redetzky, Steven de Maat, Coen Maas, Marc W Nolte, Con Panousis, Ralph T Schermuly, Werner Seeger, Martin Witzenrath, Liliana Schaefer, Philipp Markart
RATIONALE: Acute respiratory distress syndrome (ARDS) is characterized by alveolar epithelial cell injury, edema formation, and intraalveolar contact phase activation. OBJECTIVES: To explore whether C1 esterase inhibitor (C1INH), an endogenous inhibitor of the contact phase, may protect from lung injury in vivo and to decipher the possible underlying mechanisms mediating protection. METHODS: The ability of C1INH to control the inflammatory processes was studied in vitro and in vivo...
December 22, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28002530/visceral-and-tissular-reactivity-in-acute-heart-failure-due-to-supraventricular-tachyarrhythmia-in-a-young-patient
#17
Maria Cristina Beznă, Doina Cârstea, Marinela Beznă, Octavian Istrătoaie, Ionela Cristina Deliu, Petru Răzvan Melinte
Observation of major pathological alterations in a young person involves etiological and clinical justifications, in order to properly assess, treat and control these conditions. The aim of this paper is to present severe, acute pathological lesions, installed in a young person, secondary to hypodiastolic heart failure, due to persistent supraventricular tachyarrhythmia, triggered by a post-traumatic external stimulus, with complete remission post-electrical conversion. Pathological and clinical modification are revealed, in a young person, shortly after a minor thoracic trauma, in the absence of traumatic injury but with high-frequency palpitations onset and progressive installation of vascular, visceral and interstitial stasis modifications, as well as of vascular and tissular hypoperfusion with reactive vasoconstriction...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27998318/management-of-severe-dengue-hemorrhagic-fever-and-bleeding-complications-in-a-primigravida%C3%A2-patient-a-case-report
#18
Hori Hariyanto, Corry Quando Yahya, Primartanto Wibowo, Oloan E Tampubolon
BACKGROUND: The incidence of dengue hemorrhagic fever is increasing among the adult population living in endemic areas. The disease carries a 0.73% fatality rate for the general population, but what happens when the disease strikes a special subpopulation group, the obstetrics? Perhaps the important question specific to this special subpopulation revolves around the right time and mode of delivery under severe coagulopathy and plasma leakage in conditions of imminent delivery. CASE PRESENTATION: A 24-year-old primigravid Sundanese woman presented to our intensive care unit due to acute pulmonary edema secondary to massive plasma leakage caused by severe dengue...
December 20, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27994962/regulation-of-s1p-receptors-and-sphingosine-kinases-expression-in-acute-pulmonary-endothelial-cell-injury
#19
Huiying Liu, Zili Zhang, Puyuan Li, Xin Yuan, Jing Zheng, Jinwen Liu, Changqing Bai, Wenkai Niu
BACKGROUND: Acute lung injury and acute respiratory distress syndrome (ALI/ARDS) is a severe clinical syndrome with mortality rate as high as 30-40%. There is no treatment yet to improve pulmonary endothelial barrier function in patients with severe pulmonary edema. Developing therapies to protect endothelial barrier integrity and stabilizing gas exchange is getting more and more attention. Sphingosine-1-phosphate (S1P) is able to enhance the resistance of endothelial cell barrier. S1P at physiological concentrations plays an important role in maintaining endothelial barrier function...
2016: PeerJ
https://www.readbyqxmd.com/read/27988091/pulmonary-complications-after-open-abdominal-aortic-surgery-a-systematic-review-and-meta-analysis
#20
Laura Pasin, Pasquale Nardelli, Alessandro Belletti, Massimiliano Greco, Giovanni Landoni, Luca Cabrini, Roberto Chiesa, Alberto Zangrillo
OBJECTIVES: Postoperative pulmonary complications (PPC) are among the most common complications after noncardiac surgery. Men, smokers, and elderly patients with chronic obstructive pulmonary disease or heart failure are more likely to experience PPC. The majority of patients undergoing vascular surgery belong in these categories and are at higher risk of developing PPC. Moreover, the surgical site is one of the most important risk factors associated with PPC, and aortic surgery carries the highest risk...
October 1, 2016: Journal of Cardiothoracic and Vascular Anesthesia
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