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https://www.readbyqxmd.com/read/28804627/effect-of-rapamycin-on-early-stage-apoptosis-of-neutrophils-in-sprague-dawley-rats-with-acute-lung-injury
#1
Liwei Li, Changtai Zhu, Ye Yuan, Zhiqiang Li
Transfusion-related acute lung injury (TRALI) is a serious complication characterized by the acute onset of non-cardiogenic pulmonary edema following transfusion of blood products. It is not known whether rapamycin has an effect on TRALI that is caused by blood transfusion. The aim of the present study was to determine the effect of rapamycin on early stage apoptosis of neutrophils in Sprague-Dawley rats with acute lung injury. Animal models of TRALI and acute pancreatitis-associated lung injury (APALI) were prepared using Sprague-Dawley rats and histopathological examination of lung tissues was used to validate acute lung injury models...
August 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28801798/downregulation-of-paralemmin-3-ameliorates-lipopolysaccharide-induced-acute-lung-injury-in-rats-by-regulating-inflammatory-response-and-inhibiting-formation-of-tlr4-myd88-and-tlr4-trif-complexes
#2
Xuxin Chen, Lu Tang, Jian Feng, Yi Wang, Zhihai Han, Jiguang Meng
Previous studies have demonstrated paralemmin-3 (PALM3) participates in Toll-like receptor (TLR) signaling. This study investigated the effect of PALM3 knockdown on lipopolysaccharide (LPS)-induced acute lung injury (ALI) and its underlying mechanisms. We constructed a recombinant adenoviral vector containing short hairpin RNA for PALM3 to knockdown PALM3 expression. A transgene-free adenoviral vector was used as a negative control. The ALI rat model was established by LPS peritoneal injection at 48-h post-transfection...
August 12, 2017: Inflammation
https://www.readbyqxmd.com/read/28798201/remote-ischemic-preconditioning-does-not-prevent-acute-mountain-sickness-after-rapid-ascent-to-3450-m
#3
Marc M Berger, Franziska Macholz, Lukas Lehmann, Daniel Dankl, Marcel Hochreiter, Bernhard Bacher, Peter Bärtsch, Heimo Mairbäurl
Remote ischemic preconditioning (RIPC) has been shown to protect remote organs, such as the brain and the lung, from damage induced by subsequent hypoxia or ischemia. Acute mountain sickness (AMS) is a syndrome of non-specific neurologic symptoms and in high altitude pulmonary edema excessive hypoxic pulmonary vasoconstriction (HPV) plays a pivotal role. We hypothesized that RIPC protects the brain from AMS and attenuates the magnitude of HPV after rapid ascent to 3450 m. Forty non-acclimatized volunteers were randomized into 2 groups...
August 10, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28793394/tranexamic-acid-induced-acute-renal-cortical-necrosis-in-post-endoscopic-papillectomy-bleeding
#4
Doo Hyun Ko, Tae Hyung Kim, Jong Wook Kim, Ja Joong Gu, Baek Hyun Yoon, Ji Hong Oh, Seung Goun Hong
Acute renal failure can be the result of acute renal cortical necrosis (RCN), which commonly occurs from complications occurring during pregnancy. RCN is rarely caused by medications, although tranexamic acid, which is used in patients with acute bleeding for its antifibrinolytic effects, reportedly causes acute RCN in rare cases. An 82-year-old woman experienced gastrointestinal bleeding after endoscopic papillectomy of an ampullary adenoma. The bleeding was controlled with tranexamic acid administration; however, 4 days later, her urine volume decreased and she developed pulmonary edema and dyspnea...
August 9, 2017: Clinical Endoscopy
https://www.readbyqxmd.com/read/28781177/impact-of-a-newly-constructed-motor-vehicle-road-on-altitude-illness-in-the-nepal-himalayas
#5
Jonathan Reisman, Dinesh Deonarain, Buddha Basnyat
OBJECTIVE: This study investigated the impact that motor vehicle travel along a newly constructed road has on altitude illness (including acute mountain sickness, high-altitude cerebral edema, and high-altitude pulmonary edema). The new road from Besisahar (760 m) to Manang (3540 m) in Nepal was completed in December 2014. METHODS: We enrolled all patients diagnosed with altitude illness at the Himalayan Rescue Association Manang clinic in fall 2016. Phi coefficients were calculated to test for an association between Nepali ethnicity and rapid ascent by motor vehicle...
August 3, 2017: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/28780810/-investigation-on-an-accident-of-pulmonary-edema-induced-by-acute-organic-fluoride-poisoning
#6
Y J Ruan, R Yan, Q H Du
No abstract text is available yet for this article.
May 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28776362/acute-heart-failure-and-rhabdomyolysis-a-clue-for-the-diagnosis-of-polymyositis-with-cardiac-involvement
#7
P Pinto-Lopes, L Carneiro-Leão, R Morais, J Pinheiro, A Vieira Lopes, P Bettencourt
Polymyositis is an idiopathic inflammatory myopathy, characterized by proximal muscle weakness and sometimes extramuscular manifestations. We report the case of a 51-year-old male, with history of complete heart block, which required pacemaker implantation, and subsequently heart failure, presenting to the emergency department with worsening of dyspnea and peripheral edema. He was admitted to the Internal Medicine ward with acute heart failure and started on diuretic therapy. During hospitalization, he was discovered to have marked rhabdomyolysis...
August 3, 2017: Reumatismo
https://www.readbyqxmd.com/read/28775098/influenza-virus-infection-alters-ion-channel-function-of-airway-and-alveolar-cells-mechanisms-and-physiological-sequelae
#8
James D Londino, Ahmed Lazrak, James F Collawn, Zsuzsanna Bebok, Kevin S Harrod, Sadis Matalon
The cystic fibrosis transmembrane conductance regulator (CFTR) and the amiloride-sensitive epithelial sodium channels (ENaC) are located in the apical membranes of airway and alveolar epithelial cells. These transporters play an important role in the regulation of lung fluid balance across airway and alveolar epithelia by being the conduits for chloride (Cl(-)) and bicarbonate (HCO3(-)) secretion and sodium (Na(+)) ion absorption, respectively. The functional role of these channels in the respiratory tract is to maintain the optimum volume and ionic composition of the bronchial pericilary fluid (PCL) and alveolar lining fluid (ALF) layers...
August 3, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28770454/acute-pulmonary-edema-in-patients-with-reduced-left-ventricular-ejection-fraction-is-associated-with-concentric-left-ventricular-geometry
#9
Junichi Imanishi, Kenji Kaihotsu, Sachiko Yoshikawa, Makoto Nishimori, Naohiko Sone, Tomoyuki Honjo, Masanori Iwahashi
Although acute pulmonary edema (APE) is common in patients with heart failure (HF) with preserved ejection fraction (EF), its pathogenesis in patients with HF with reduced EF (HFrEF) is not completely understood. The purpose of our study was to explore the contributions of left ventricular (LV) geometry to understand the difference between HFrEF patients with or without APE. We studied 122 consecutive acute decompensated HF patients with HFrEF (≤40%). APE was defined as acute-onset dyspnea and radiographic alveolar edema requiring immediate airway intervention...
August 2, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28765893/endothelial-semaphorin-7a-promotes-seawater-aspiration-induced-acute-lung-injury-through-plexin-c1-and-%C3%AE-1-integrin
#10
Minlong Zhang, Xue Yan, Wei Liu, Ruilin Sun, Yonghong Xie, Faguang Jin
Inflammation and edema are two main characteristics in seawater aspiration‑induced acute lung injury (ALI). In a previous study of the authors, it was demonstrated that endothelial semaphorin 7A (SEMA7A) serves an important role in the development of seawater‑induced inflammation and edema. However, the mechanism of endothelial SEMA7A‑mediated ALI remains unclear. Therefore, the authors explored the effect of SEMA7A in rat pulmonary microvascular endothelial cells (RPMVECs) and the interaction between endothelial SEMA7A and alveolar macrophages during seawater aspiration‑induced ALI...
July 27, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28762854/lethal-concentration-of-perfluoroisobutylene-induces-acute-lung-injury-in-mice-mediated-via-cytokine-storm-oxidative-stress-and-apoptosis
#11
Yingjie Zhang, Lei Fan, Ronggang Xi, Zhonghua Mao, Dan Shi, Ding Ding, Zhiran Zhang, Xiaobo Wang
Perfluoroisobutylene (PFIB) is a highly toxic gas that targets the lungs. Low-level inhalation of the gas can lead to acute lung injury (ALI), pulmonary edema and even death. No specific anti-PFIB drugs are currently available and the pathogenesis of PFIB-induced ALI is not fully understood. Early direct oxidative injury and a secondary hyper-inflammatory response are recognized as the primary mechanisms of PFIB-induced ALI. In the present study, our data demonstrate for the first time that a cytokine storm is associated with PFIB-induced ALI...
August 1, 2017: Inhalation Toxicology
https://www.readbyqxmd.com/read/28761239/sequential-autologous-hematopoietic-stem-cell-transplant-followed-by-renal-transplant-in-multiple-myeloma
#12
D Bhowmik, S Yadav, L Kumar, S Agarwal, S K Agarwal, S Gupta
A 30-year-old female was symptomatic with headache, fatigue, and weakness since October 2011 and was told to have anemia. In January 2012, she was admitted outside with pulmonary edema. Investigations revealed advanced azotemia, anemia, and hypercalcemia. Urine showed 2 + proteins and 30-35 red blood cells. There was no history of oral ulcers, rash, Raynaud's phenomenon, or hemoptysis. She was evaluated for causes of rapidly progressive "renal failure." Hemolytic work-up; antinuclear antibody, double-stranded DNA, and anti-neutrophil cytoplasmic antibody were negative...
July 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28760509/pulmonary-mechanic-and-lung-histology-induced-by-crotalus-durissus-cascavella-snake-venom
#13
Joselito de Oliveira Neto, João Alison de Moraes Silveira, Daniel Silveira Serra, Daniel de Araújo Viana, Diva Maria Borges-Nojosa, Célia Maria Souza Sampaio, Helena Serra Azul Monteiro, Francisco Sales Ávila Cavalcante, Janaina Serra Azul Monteiro Evangelista
This study have analyzed the pulmonary function in an experimental model of acute lung injury, induced by the Crotalus durissus cascavella venom (C. d. cascavella) (3.0 μg/kg - i.p), in pulmonary mechanic and histology at 1 h, 3 h, 6 h, 12 h and 24 h after inoculation. The C. d. cascavella venom led to an increase in Newtonian Resistance (RN), Tissue Resistance (G) and Tissue Elastance (H) in all groups when compared to the control, particularly at 12 h and 24 h. The Histeresivity (η) increased 6 h, 12 h and 24 h after inoculation...
July 28, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28758715/serial-sonographic-assessment-of-pulmonary-edema-in-patients-with-hypertensive-acute-heart-failure
#14
Jennifer L Martindale, Michael Secko, John F Kilpatrick, Ian S deSouza, Lorenzo Paladino, Andrew Aherne, Ninfa Mehta, Alyssa Conigiliaro, Richard Sinert
OBJECTIVES: Objective measures of clinical improvement in patients with acute heart failure (AHF) are lacking. The aim of this study was to determine whether repeated lung sonography could semiquantitatively capture changes in pulmonary edema (B-lines) in patients with hypertensive AHF early in the course of treatment. METHODS: We conducted a feasibility study in a cohort of adults with acute onset of dyspnea, severe hypertension in the field or at triage (systolic blood pressure ≥ 180 mm Hg), and a presumptive diagnosis of AHF...
July 31, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28756983/morphological-characteristics-of-fatal-pediatric-hand-foot-and-mouth-disease-a-clinicopathological-study-with-related-receptors-of-ev71
#15
Yong-Yao Gu, Ke Shi, Sha Yao, Xia Yang, Yu-Hui Liu, Lan Tang, Yi-Wu Dang, Gang Chen, Zhen-Bo Feng, Hong-Bo Pan
OBJECTIVE: To investigate the pathological features of fatal pediatric hand foot and mouth disease (HFMD). METHODS: The histopathological features of HFMD were first summarized from literature, and then confirmed by in-house autopsies. Furthermore, immunohistochemistry was conducted to detect the distribution and expression level of two enterovirus 71 (EV71) receptors scavenger receptor class B, member 2 (SCARB2), and P-selectin glycoprotein ligand-1 (PSGL1) in the samples of autopsies...
July 6, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28751159/ghrelin-ameliorates-acute-lung-injury-induced-by-oleic-acid-via-inhibition-of-endoplasmic-reticulum-stress
#16
Xiuli Tian, Zhijun Liu, Ting Yu, Haitao Yang, Linlin Feng
AIMS: Acute lung injury (ALI) is associated with excessive mortality and lacks appropriate therapy. Ghrelin is a novel peptide that protects the lung against ALI. This study aimed to investigate whether endoplasmic reticulum stress (ERS) mediates the protective effect of ghrelin on ALI. MAIN METHODS: We used a rat oleic acid (OA)-induced ALI model. Pulmonary impairment was detected by hematoxylin and eosin (HE) staining, lung mechanics, wet/dry weight ratio, and arterial blood gas analysis...
July 24, 2017: Life Sciences
https://www.readbyqxmd.com/read/28750677/inhaled-ap301-for-treatment-of-pulmonary-edema-in-mechanically-ventilated-patients-with-acute-respiratory-distress-syndrome-a-phase-iia-randomized-placebo-controlled-trial
#17
Katharina Krenn, Rudolf Lucas, Adrien Croizé, Stefan Boehme, Klaus Ulrich Klein, Robert Hermann, Klaus Markstaller, Roman Ullrich
BACKGROUND: High-permeability pulmonary edema is a hallmark of acute respiratory distress syndrome (ARDS) and is frequently accompanied by impaired alveolar fluid clearance (AFC). AP301 enhances AFC by activating epithelial sodium channels (ENaCs) on alveolar epithelial cells, and we investigated its effect on extravascular lung water index (EVLWI) in mechanically ventilated patients with ARDS. METHODS: Forty adult mechanically ventilated patients with ARDS were included in a randomized, double-blind, placebo-controlled trial for proof of concept...
July 27, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28745850/noninvasive-ventilation-for-patients-in-acute-respiratory-distress-an-update-digest
#18
Nikita Joshi, Molly K Estes, Kayla Shipley, Hyun-Chul Danny Lee, Milana Zaurova
Over the last 20 years, noninvasive ventilation (NIV) strategies have been used with increasing frequency. The ease of use of NIV makes it applicable to patients presenting in a variety of types of respiratory distress. In this review, the physiology of positive pressure ventilation is discussed, including indications, contraindications, and options for mask type and fit. Characteristics of patients who are most likely to benefit from NIV are reviewed, including those in respiratory distress from chronic obstructive pulmonary disease exacerbation and cardiogenic pulmonary edema...
February 22, 2017: Emergency Medicine Practice
https://www.readbyqxmd.com/read/28741217/effects-of-non-invasive-ventilation-in-patients-with-acute-respiratory-failure-excluding-post-extubation-respiratory-failure-cardiogenic-pulmonary-edema-and-exacerbation-of-copd-a-systematic-review-and-meta-analysis
#19
Yutaka Kondo, Junji Kumasawa, Atsushi Kawaguchi, Ryutaro Seo, Eishu Nango, Satoru Hashimoto
BACKGROUND: This meta-analysis compared the effects of non-invasive ventilation (NIV) with invasive mechanical ventilation (InMV) and standard oxygen (O2) therapy on mortality and rate of tracheal intubation in patients presenting acute respiratory failure (ARF). METHODS: We searched the MEDLINE, EMBASE and Cochrane Central Register of clinical trials databases between 1949 and May 2015 to identify randomized trials of NIV for ARF. We excluded the ARF caused by extubation, cardiogenic pulmonary edema, and COPD...
July 24, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28738488/-pathological-features-at-autopsy-in-elderly-patients-with-acute-myocardial-infarction
#20
H Wang, F Fang, K Chai, Y Y Li, Y Luo, D G Liu, D P Liu, J F Yang
Objective: To analyze the cardiac pathological features of elderly coronary artery disease (CAD) patients (60 years and over) and evaluate the pathological features at autopsy and risk factors of patients with acute myocardial infarction (AMI). Methods: Data from 471 elderly patients (aged from 60 to 100 years old) with CAD confirmed by autopsy hospitalized in our hospital from April 1969 to October 2013 were retrospectively reviewed. Patients were divided into 2 groups: AMI group(n=128) with AMI as the primary cause of death and the rest served as control group(n=343)...
July 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
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