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https://www.readbyqxmd.com/read/27913141/acute-lung-injury-and-persistent-small-airway-disease-in-a-rabbit-model-of-chlorine-inhalation
#1
Sadiatu Musah, Connie F Schlueter, David M Humphrey, Karen S Powell, Andrew M Roberts, Gary W Hoyle
Chlorine is a pulmonary toxicant to which humans can be exposed through accidents or intentional releases. Acute effects of chlorine inhalation in humans and animal models have been well characterized, but less is known about persistent effects of acute, high-level chlorine exposures. In particular, animal models that reproduce the long-term effects suggested to occur in humans are lacking. Here, we report the development of a rabbit model in which both acute and persistent effects of chlorine inhalation can be assessed...
November 29, 2016: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/27912864/clinical-and-epidemiological-aspects-of-scorpionism-in-the-world-a-systematic-review
#2
REVIEW
Maria S V Santos, Cláudio G L Silva, Basílio Silva Neto, Cícero R P Grangeiro Júnior, Victor H G Lopes, Antônio G Teixeira Júnior, Deryk A Bezerra, João V C P Luna, Josué B Cordeiro, Jucier Gonçalves Júnior, Marcos A P Lima
OBJECTIVE: Scorpion stings are registered worldwide, but the incidence and the features of the envenomations vary depending on the region. The aim of this review was to summarize the epidemiological, clinical, diagnostic, and therapeutic data worldwide regarding humans stung by scorpions. METHODS: A systematic review of the literature was conducted through the online databases of the Virtual Health Library (VHL), which hosts Medline and the Latin American and Caribbean Center on Health Sciences Informational (LILACS) database...
December 2016: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/27906598/managing-high-altitude-pulmonary-edema-with-oxygen-alone-results-of-a-randomized-controlled-trial
#3
Uday Yanamandra, Velu Nair, Surinderpal Singh, Amul Gupta, Deepak Mulajkar, Sushma Yanamandra, Konchok Norgais, Ruchira Mukherjee, Vikrant Singh, Srinivasa A Bhattachar, Sagarika Patyal, Rajan Grewal, Bhushan Chopra
Yanamandra, Uday, Velu Nair, Surinderpal Singh, Amul Gupta, Deepak Mulajkar, Sushma Yanamandra, Konchok Norgais, Ruchira Mukherjee, Vikrant Singh, Srinivasa A. Bhattachar, Sagarika Patyal, and Rajan Grewal. High-altitude pulmonary edema management: Is anything other than oxygen required? Results of a randomized controlled trial. High Alt Med Biol. 00:000-000, 2016.-Treatment strategies for management of high-altitude pulmonary edema (HAPE) are mainly based on the observational studies with only two randomized controlled trials, thus the practice is very heterogeneous and individualized as per the choice of treating physician...
December 1, 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27895584/induced-pluripotent-stem-cells-inhibit-bleomycin-induced-pulmonary-fibrosis-in-mice-through-suppressing-tgf-%C3%AE-1-smad-mediated-epithelial-to-mesenchymal-transition
#4
Yan Zhou, Zhong He, Yuan Gao, Rui Zheng, Xiaoye Zhang, Li Zhao, Mingqi Tan
Pulmonary fibrosis is a progressive and irreversible fibrotic lung disorder with high mortality and few treatment options. Recently, induced pluripotent stem (iPS) cells have been considered as an ideal resource for stem cell-based therapy. Although, an earlier study demonstrated the therapeutic effect of iPS cells on pulmonary fibrosis, the exact mechanisms remain obscure. The present study investigated the effects of iPS cells on inflammatory responses, transforming growth factor (TGF)-β1 signaling pathway, and epithelial to mesenchymal transition (EMT) during bleomycin (BLM)-induced lung fibrosis...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27895451/non-cardiogenic-pulmonary-edema-rhabdomyolysis-and-myocardial-injury-following-heroin-inhalation-a-case-report
#5
G Bazoukis, A Spiliopoulou, K Mourouzis, P Grigoropoulou, A Yalouris
BACKGROUND: Heroin use by non-injecting routes of administration (snorting, swallowing, "chasing the dragon") is considered to be safer but is not risk-free for fatal overdose or serious side effects. We report the case of an adolescent who was transferred unconscious to the emergency department after heroin inhalation. Description of the case: A 17-year-old male was transferred to the emergency department unconscious (Glasgow coma scale: 6/15) after heroin inhalation. He was treated with non-rebreather mask and intravenous infusion of naloxone with gradual improvement of consciousness and arterial blood gasses...
January 2016: Hippokratia
https://www.readbyqxmd.com/read/27894854/decreased-level-of-endogenous-ghrelin-is-involved-in-the-progression-of-lung-injury-induced-by-oleic-acid
#6
Zhijun Liu, Ting Yu, Haitao Yang, Xiuli Tian, 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 the role of endogenous ghrelin in the pathogenesis of 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. Plasma and lung content of ghrelin was examined by ELISA, and mRNA expression of ghrelin was measured by quantitative real-time PCR...
November 25, 2016: Life Sciences
https://www.readbyqxmd.com/read/27892866/effectiveness-of-a-bhv-1-befv-bivalent-vaccine-against-bovine-herpesvirus-type-1-infection-in-cattle
#7
Yao-Chi Chung, Hsiu-Yen Shen, Li-Ting Cheng, Shyh-Shyan Liu, Chun-Yen Chu
Bovine herpesvirus type 1 (BHV-1) causes acute febrile respiratory diseases (infectious bovine rhinotracheitis, IBR), decreased milk production, weight loss and abortion. Bovine ephemeral fever virus (BEFV) causes acute febrile respiratory disease, with pulmonary emphysema and pulmonary edema as the main signs. These viruses infect domesticated herds and lead to significant economic losses. In our previous study, an inactivated BHV-1 and BEFV bivalent vaccine was formulated with water-in-oil-in-water adjuvant, and vaccine efficacy was evaluated in guinea pigs...
October 13, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27890776/epigallocatechin-3-gallate-alleviates-paraquat-induced-acute-lung-injury-and-inhibits-upregulation-of-toll-like-receptors
#8
Haitao Shen, Na Wu, Zhenning Liu, Hongyu Zhao, Min Zhao
AIMS: To evaluate the detoxifying effect of epigallocatechin-3-gallate (EGCG) on paraquat (PQ)-induced acute lung injury in mice, and to explore the action mechanisms. MAIN METHODS: Following administration of PQ, the mice received a low, a medium or a high dose of EGCG daily for three days. Histopathology of the lungs were examined by H&E staining. The levels of inflammatory cytokines, such as TNF-α, IL-1β and IL-6, in the bronchoalveolar lavage fluid were measured by enzyme-linked immunosorbent assay...
November 24, 2016: Life Sciences
https://www.readbyqxmd.com/read/27887604/variable-ventilation-improves-pulmonary-function-and-reduces-lung-damage-without-increasing-bacterial-translocation-in-a-rat-model-of-experimental-pneumonia
#9
Raquel F de Magalhães, Cynthia S Samary, Raquel S Santos, Milena V de Oliveira, Nazareth N Rocha, Cintia L Santos, Jamil Kitoko, Carlos A M Silva, Caroline L Hildebrandt, Cassiano F Goncalves-de-Albuquerque, Adriana R Silva, Hugo C Faria-Neto, Vanessa Martins, Vera L Capelozzi, Robert Huhle, Marcelo M Morales, Priscilla Olsen, Paolo Pelosi, Marcelo Gama de Abreu, Patricia R M Rocco, Pedro L Silva
BACKGROUND: Variable ventilation has been shown to improve pulmonary function and reduce lung damage in different models of acute respiratory distress syndrome. Nevertheless, variable ventilation has not been tested during pneumonia. Theoretically, periodic increases in tidal volume (VT) and airway pressures might worsen the impairment of alveolar barrier function usually seen in pneumonia and could increase bacterial translocation into the bloodstream. We investigated the impact of variable ventilation on lung function and histologic damage, as well as markers of lung inflammation, epithelial and endothelial cell damage, and alveolar stress, and bacterial translocation in experimental pneumonia...
November 25, 2016: Respiratory Research
https://www.readbyqxmd.com/read/27882474/effects-of-cck-8-and-cystathionine-%C3%AE-lyase-hydrogen-sulfide-system-on-acute-lung-injury-in-rats
#10
Fengjun Tian, Yiling Ling, Yuqin Chen, Zhiyong Wang
Acute lung injury (ALI) is mainly characterized by diffusive injuries to lung epithelium and increased permeability of alveolar-capillary membranes caused by various factors, which leads to pulmonary edema and pulmonary closure. Lipopolysaccharide (LPS), which is the main component of the cell wall of gram-negative bacteria, is one of the most important factors causing pulmonary infection and ALI. More and more reports have indicated that hydrogen sulfide (H2S) is closely correlated with ALI and has anti-inflammation function, while the specific mechanism needs further investigation...
November 24, 2016: Inflammation
https://www.readbyqxmd.com/read/27879442/salmonella-enterica-serovar-pomona-infection-in-farmed-juvenile-american-alligators-alligator-mississippiensis
#11
K Sakaguchi, J G Nevarez, F Del Piero
A fatal epizootic of salmonellosis occurred in farmed juvenile American alligators in Louisiana. Six animals were examined. Gross lesions included severe fibrinonecrotizing enterocolitis, necrotizing splenitis, coelomic effusion, and perivisceral and pulmonary edema. Microscopic examination revealed severe necrotizing enterocolitis and splenitis with intralesional bacteria and pneumocyte necrosis with fibrin thrombi. Salmonella enterica serovar Pomona was isolated from intestine and lung. Clinical salmonellosis is a rare finding in reptiles and salmonellosis caused by S...
November 22, 2016: Veterinary Pathology
https://www.readbyqxmd.com/read/27878685/the-role-of-il-33-on-lps-induced-acute-lung-injury-in-mice
#12
Yaping Zhang, Ran Lv, Xuming Hu, Li Jiang, Dongju Xiao, Yv Sun, Jinning Zhao, Qi Bao, Junran Xie
The objective of the study is to investigate the role and specific molecular mechanism of interleukin-33 (IL-33) acted on acute lung injury (ALI) induced by lipopolysaccharide (LPS). C57BL/6 mice intratracheally instilled LPS to induce ALI model. The mice were randomly divided into three groups: the sham operation group (Sham), ALI group (ALI), and pretreatment with IL-33 of ALI group (IL-33). By observing the survival rate, inflammatory cytokines in bronchoalveolar lavage fluid (BALF), myeloperoxidase (MPO) levels in lung tissue, lung histopathological examination, pulmonary capillary leakage, lung wet/dry (W/D) weight ratio, fibrosis levels in lung tissue, and associated pathways changes among the different groups, comparing to explore the role of IL-33 pretreatment on ALI mice and the possible molecular mechanisms...
November 23, 2016: Inflammation
https://www.readbyqxmd.com/read/27877032/pulmonary-complications-after-abdominal-surgery-in-patients-with-mild-to-moderate-chronic-obstructive-pulmonary-disease
#13
Tae Hoon Kim, Jae Seung Lee, Sei Won Lee, Yeon-Mok Oh
Postoperative pulmonary complications (PPCs) are one of the most important causes of postoperative morbidity and mortality after abdominal surgery. Although chronic obstructive pulmonary disease (COPD) has been considered a risk factor for PPCs, it remains unclear whether mild-to-moderate COPD is a risk factor. This retrospective cohort study included 387 subjects who underwent abdominal surgery with general anesthesia in a tertiary referral hospital. PPCs included pneumonia, pulmonary edema, pulmonary thromboembolism, atelectasis, and acute exacerbation of COPD...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27875733/relationship-between-ambient-temperature-and-frequency-and-severity-of-cardiovascular-emergencies-a-prospective-observational-study-based-on-out-of-hospital-care-data
#14
Mario Hensel, Markus Stuhr, Daniel Geppert, Jan F Kersten, Jürgen Lorenz, Thoralf Kerner
OBJECTIVE: To test the hypothesis that more cardiovascular emergencies occur at low rather than at high temperatures under moderate climatic conditions. METHODS: This was a prospective observational study performed in a prehospital setting. Data from the Emergency Medical Service in Hamburg (Germany) and from the local weather station were evaluated over a 5-year period. Temperature data were matched with the associated rescue mission data. Lowess-Regression analysis was performed to assess the relationship between the temperature and the frequency of individual cardiovascular emergencies...
November 8, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27873231/atherosclerotic-renal-artery-stenosis
#15
Robert Schoepe, Stephen McQuillan, Debbie Valsan, Geoffrey Teehan
Atherosclerotic Renal Artery Stenosis is a form or peripheral arterial disease that tends to affect older subjects with hyperlipidemia, history of tobacco use, and who have other coexistent forms of vascular insufficiency. An abdominal bruit on physical exam can be a helpful clue. Slowly progressive, it can lead to critical narrowing of the renal arteries which creates a cascade of events such as renin-angiotensin-aldosterone activation (RAAS), hypertension, acute pulmonary edema, and renal fibrosis. The hypertension is considered a secondary form and can even be resistant to multiple antihypertensives...
November 22, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27872700/pharmacokinetic-study-of-furosemide-incorporated-plga-microspheres-after-oral-administration-to-rat
#16
Katayoun Derakhshandeh, Moin Karimi, Abbas Hemati Azandaryani, Gholamreza Bahrami, Kiumras Ghanbari
OBJECTIVES: The purpose of the current study was to assess the feasibility of microspheres from biocompatible polymer for oral bioavailability (BA) enhancement of potent sulfonamide- type loop diuretic- Furosemide - which used in the treatment of congestive heart failure, caused edema, cirrhosis, renal disease and as an adjunct in acute pulmonary edema. The comparatively poor and inconstant BA of furosemide, which occurs site-specifically in the stomach and upper small intestine, has been ascribed to the poor dissolution of furosemide...
October 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/27861477/-complications-and-cause-of-death-in-mexican-children-with-rocky-mountain-spotted-fever
#17
Miguel Ángel Martínez-Medina, Adela Rascón-Alcantar
BACKGROUND: Rocky Mountain spotted fever is a life threatening disease caused by Rickettsia rickettsia, characterized by multisystem involvement. METHODS: We studied 19 dead children with Rocky Mountain spotted fever. All children who were suspected of having rickettsial infections were defined as having Rocky Mountain spotted fever by serology test and clinical features. Through the analysis of each case, we identified the clinical profile and complications associated to the death of a patient...
November 2016: Gaceta Médica de México
https://www.readbyqxmd.com/read/27858952/subintimal-angioplasty-for-lower-limb-arterial-chronic-total-occlusions
#18
REVIEW
ZhiHui Chang, JiaHe Zheng, ZhaoYu Liu
BACKGROUND: In recent years subintimal angioplasty (SIA) has become an established percutaneous procedure for the treatment of symptomatic lower limb arterial chronic total occlusions. However, the clinical benefits of this practice remain unclear. The aim of the review was to determine the effectiveness of SIA on clinical outcomes. This is an update of a review first published in 2013. OBJECTIVES: To assess the effectiveness of SIA versus other treatment for people with lower limb arterial chronic total occlusions, determined by the effects on clinical improvement, technical success rate, patency rate, limb salvage rate, and morbidity rates...
November 18, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27857993/acute-ischemic-stroke-and-severe-multiorgan-dysfunction-due-to-multiple-bee-stings
#19
Murat Guzel, Handan Akar, Ali Kemal Erenler, Ahmet Baydin, Abdulcelil Kayabas
Various manifestations after bee sting have been described. Local reactions, such as pain, wheal, flare, edema and swelling, are common and generally self-limiting. Uncommonly manifestations like vomiting, diarrhea, dyspnea, generalized edema, acute renal failure, anaphylactic shock, myocardial infarction, hypotension, collapse, pulmonary hemorrhage, acute hemorrhagic pancreatitis, and atrial fibrillation may occur. We report a 59 year-old man who sustained ischemic stroke and multi-organ dysfunction following multiple bee stings...
September 2016: Turkish Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27851556/1921-pulmonary-edema-presenting-as-multinodular-lesions-a-rare-case-of-neurogenic-pulmonary-edema
#20
Rizwan Shahid, Leopoldine Modjo Kenmogne, Himan Goli, Noor Ul Huda Mehdi
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
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