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Inhalational injury

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https://www.readbyqxmd.com/read/29777877/multi-walled-carbon-nanotubeinduced-inhalation-toxicity-recognizing-nano-bis-demethoxy-curcumin-analog-as-an-ameliorating-candidate
#1
Arul Prakash Francis, Thiyagarajan Devasena, Selvam Ganapathy, Venkata Rajsekhar Palla, Prakhya Balakrishna Murthy, Sundara Ramaprabhu
Human beings and ecosystems are being possibly exposed to CNTs, as there is a rise in global production rate of carbon nanotubes (CNTs). This may affect the health of humans and increases the environmental risk. We have already reported the pulmonary toxicity due to the inhalation of MWCNTs. We claim that a compound with anti-inflammatory and antioxidant activity may ameliorate the CNT-induced toxic effect. With this view, we have investigated the ameliorative effect of intravenously-administered nano bis-demethoxy curcumin analog (NBDMCA) against MWCNTs-induced inhalation toxicity by examining the lung histopathology for inflammatory cell dynamics, pulmonary remodeling and estimating the inflammatory biomarkers in the broncho-alveolar lavage fluid...
May 16, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29770189/hydrogen-inhalation-improves-mouse-neurological-outcomes-after-cerebral-ischemia-reperfusion-independent-of-anti-necroptosis
#2
Jun-Long Huang, Wen-Wu Liu, Xue-Jun Sun
This study aimed to investigate the role of necroptosis in the neuroprotection of hydrogen in a mouse model of cerebral ischemia/reperfusion (I/R) injury. C57BL mice were randomly divided into sham group, I/R group, hydrogen/oxygen group (HO), nitrogen/oxygen group (NO). Middle cerebral artery occlusion (MCAO) for 1 hour followed by reperfusion was introduced to animals which were allowed to inhale 66.7% hydrogen/33.3% oxygen for 90 minutes since the beginning of reperfusion. Mice in NO group inhaled 66.7% nitrogen/33...
January 2018: Medical Gas Research
https://www.readbyqxmd.com/read/29768662/immersion-in-water-during-labour-and-birth
#3
REVIEW
Elizabeth R Cluett, Ethel Burns, Anna Cuthbert
BACKGROUND: Water immersion during labour and birth is increasingly popular and is becoming widely accepted across many countries, and particularly in midwifery-led care settings. However, there are concerns around neonatal water inhalation, increased requirement for admission to neonatal intensive care unit (NICU), maternal and/or neonatal infection, and obstetric anal sphincter injuries (OASIS). This is an update of a review last published in 2011. OBJECTIVES: To assess the effects of water immersion during labour and/or birth (first, second and third stage of labour) on women and their infants...
May 16, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29765933/a-pilot-study-of-inhaled-co-therapy-in-neonatal-hypoxia-ischemia-carboxyhemoglobin-concentrations-and-brain-volumes
#4
Martha Douglas-Escobar, Monique Mendes, Candace Rossignol, Nikolay Bliznyuk, Ariana Faraji, Abdullah S Ahmad, Sylvain Doré, Michael D Weiss
Objective: The objective of this pilot study was to start evaluating the efficacy and the safety (i.e., carboxyhemoglobin concentration of carbon monoxide (CO)) as a putative neuroprotective therapy in neonates. Study Design: Neonatal C57BL/6 mice were exposed to CO at a concentration of either 200 or 250 ppm for a period of 1 h. The pups were then sacrificed at 0, 10, 20, 60, 120, 180, and 240 min after exposure to either concentration of CO, and blood was collected for analysis of carboxyhemoglobin. Following the safety study, 7-day-old pups underwent a unilateral carotid ligation...
2018: Frontiers in Pediatrics
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/29764242/morbidity-and-mortality-resulting-from-acute-inhalation-exposures-to-hydrogen-fluoride-and-carbonyl-fluoride-in-rats
#6
Adolph J Januszkiewicz, Matthew A Bazar, Lee C B Crouse, Michael A Chapman, Steven E Hodges, Steven J McCormick, Arthur J O'Neill
OBJECTIVE: Experiments were undertaken to compare morbidity and mortality from brief inhalation exposures to high levels of hydrogen fluoride (HF) and carbonyl fluoride (COF2 ). METHODS: Rats from both sexes were exposed for durations of 5 and 10 min to nominal concentrations of 10,000 to 57,000 ppm HF or 500 to 10,000 ppm COF2 . Respiration was monitored before, during, and after exposure. Animals were observed up to 6 days post-exposure. Terminal blood samples were collected for routine clinical chemistry and hematology...
May 15, 2018: Inhalation Toxicology
https://www.readbyqxmd.com/read/29763919/inhalation-of-hydrogen-of-different-concentrations-ameliorates-spinal-cord-injury-in-mice-by-protecting-spinal-cord-neurons-from-apoptosis-oxidative-injury-and-mitochondrial-structure-damages
#7
Xiao Chen, Jin Cui, Xiao Zhai, Jun Zhang, Zhengrong Gu, Xin Zhi, Weizong Weng, Panpan Pan, Liehu Cao, Fang Ji, Zhiwei Wang, Jiacan Su
BACKGROUND/AIMS: Hydrogen selectively neutralizes reactive oxygen species (ROS) and ameliorates various ROS-induced injuries. Spinal cord injury (SCI) is a serious injury to the central nervous system, and secondary SCI is closely related to excessive ROS generation. We hypothesized that hydrogen inhalation ameliorates SCI, and the mechanism of action may be related to the protective effects of hydrogen against oxidative stress, apoptosis, and mitochondrial damage. METHODS: Mechanically injured spinal cord neurons were incubated with different concentrations of hydrogen in vitro...
May 10, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29762314/effectiveness-of-dexmedetomidine-versus-propofol-on-extubation-times-length-of-stay-and-mortality-rates-in-adult-cardiac-surgery-patients-a-systematic-review-and-meta-analysis
#8
John Nguyen, Noel Nacpil
OBJECTIVE: To determine the effects of dexmedetomidine versus propofol on extubation time, intensive care unit (ICU) length of stay, total hospital length of stay and in-hospital mortality rates in cardiac surgery patients. INTRODUCTION: Recovery from cardiovascular surgery involves weaning from mechanical ventilation. Mechanical ventilation decreases the work of breathing for patients by inhaling oxygen and exhaling carbon dioxide via a ventilator or breathing machine...
May 2018: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/29753454/response-of-a-local-hospital-to-a-burn-disaster-contributory-factors-leading-to-zero-mortality-outcomes
#9
Eng-Kean Yeong, Ciaran P O'Boyle, Hui-Fu Huang, Hao-Chih Tai, Yen-Chun Hsu, Shu-Yang Chuang, Yu-Feng Wu, Che-Wei Chang, Tom J Liu, Hong-Shiee Lai
OBJECTIVE: To investigate the outcomes of a local healthcare system in managing a burn mass casualty incident (BMCI). METHODS: Thirty-three victims admitted to the National Taiwan University Hospital within 96h of the explosion were included in the study. Data were recorded on: patient demographics, Baux score, laboratory data, management response, treatment strategies, and outcomes. Case notes from June 27, 2015 to November 2015 were reviewed with a focus on fluid resuscitation, ventilation support, nutrition, infection control, sepsis treatment, and wound closure plan...
May 9, 2018: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/29743787/acute-lung-injury-after-exposure-to-fumes-of-pickling-paste-in-a-fabrication-worker
#10
S Bavikar Purva, K Dattarai More
Pickling paste is used for cleaning stainless steel weld seam heat marks. It is a mixture of hydrofluoric acid (HF) and nitric acid (HNO3 ) with surfactants and inhibitors. The substance is corrosive, toxic, and irritant. Air respirator and half mask air filter covering nose and mouth are mandatory before handling the pickling paste. This is a case report of a 28-year-old male complaining of sudden onset dyspnea at rest after accidental inhalation of pickling paste fumes. The patient developed acute lung injury and subsequently acute respiratory distress syndrome and was treated with noninvasive ventilation, steroids, and other supportive treatment...
January 2018: Indian Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29742703/nebulized-heparin-and-n-acetylcysteine-for-smoke-inhalational-injury-a-case-report
#11
Umair Ashraf, Bharat Bajantri, Gabriella Roa-Gomez, Sindhaghatta Venkatram, Amanda Cantin, Gilda Diaz-Fuentes
RATIONALE: Every year, ∼40,000 people suffer burn-related injuries in the United States. Despite recent advances, the odds of dying from exposure to fire, flames, or smoke are one in ∼1500. Smoke inhalation causes injury to the airways via a complex physiological process, and the treatment is mainly supportive. Many recent interventions aim to decrease the formation of fibrin casts, the main cause of airway damage in these patients. Among these, treatment with a combination of nebulized heparin and N-acetylcysteine (NAC) has shown benefit...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29735230/management-of-multiple-burned-patients-with-inhalation-injuries
#12
Kouhei Ishikawa, Youichi Yanagawa, Yukino Kato, Yoko Nozawa, Hiroki Nagasawa, Ikuto Takeuchi, Kei Jitsuiki, Akihiko Kondo, Hiromichi Ohsaka, Kazuhiko Omori
The fire department in Atami received an emergency call at 6:17 am, with notification of 4 or 5 casualties because of a fire. Because there was only 1 ambulance (O) at the station, an additional ambulance (P) was also requested. Ambulance O transported 2 patients (A and B), and ambulance P transported 2 patients (C and D). These 4 patients were judged to have severe inhalation injuries at the scene and were transported to 2 local hospitals (X and Y). After patients C and D arrived at hospital Y, the medical staff decided to transfer them to the emergency medical service center...
May 2018: Air Medical Journal
https://www.readbyqxmd.com/read/29732620/does-oral-spirulina-protect-the-cornea-from-formaldehyde-exposure-application-to-anatomy-laboratories
#13
Ahmed Farid Al-Neklawy
In this study, the protective effect of spirulina on corneal injury after formaldehyde (FA) exposure was assessed. Thirty adult male albino rats were divided into four groups. Group I: twelve rats were divided into two subgroups: I-a (negative control) and I-b (positive control). Group II (spirulina group): six rats received spirulina via an oral gavage feeding needle at a daily dose of 400mg/kg b.w. Group III (FA exposure group): six rats were subjected to 10% FA inhalation for two hours per day for two weeks (five days per week)...
May 7, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29730750/effect-of-selenium-nanoparticle-supplementation-on-tissue-inflammation-blood-cell-count-and-igf-1-levels-in-spinal-cord-injury-induced-rats
#14
Moosa Javdani, Atefeh Habibi, Sadegh Shirian, Gholam Ali Kojouri, Farzaneh Hosseini
Selenium is known to be a neuroprotective agent in respect to a number of neuronal diseases and pain. The aim of this study was to evaluate the neuroprotective effect of the oral administration of selenium nanoparticles in rats with spinal cord injury (SCI). Forty adult female rats were randomly assigned to two equal groups as experimental and control. Under general inhalation anesthesia, in both groups, SCI was created, at the T9-10 level of the column. On the third day after the operation, a supplement of selenium nanoparticle was administered to the experimental group at 0...
May 5, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29722341/halogen-inhalation-induced-lung-injury-and-acute-respiratory-distress-syndrome
#15
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/29721820/hypothermic-total-liquid-ventilation-after-experimental-aspiration-associated-acute-respiratory-distress-syndrome
#16
Jérôme Rambaud, Fanny Lidouren, Michaël Sage, Matthias Kohlhauer, Mathieu Nadeau, Étienne Fortin-Pellerin, Philippe Micheau, Luca Zilberstein, Nicolas Mongardon, Jean-Damien Ricard, Megumi Terada, Patrick Bruneval, Alain Berdeaux, Bijan Ghaleh, Hervé Walti, Renaud Tissier
BACKGROUND: Ultrafast cooling by total liquid ventilation (TLV) provides potent cardio- and neuroprotection after experimental cardiac arrest. However, this was evaluated in animals with no initial lung injury, whereas out-of-hospital cardiac arrest is frequently associated with early-onset pneumonia, which may lead to acute respiratory distress syndrome (ARDS). Here, our objective was to determine whether hypothermic TLV could be safe or even beneficial in an aspiration-associated ARDS animal model...
May 2, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29719847/characteristics-of-occupational-injuries-in-a-pharmaceutical-company-in-iran
#17
Abbas Rasouli, Seyed Mojtaba Hosseini, Mohammadkarim Bahadori, Ramin Ravangard
Objective: To prioritize occupational hazards in a Pharmaceutical Company in Iran using the analytical hierarchy process (AHP). Methods: This was a cross-sectional study conducted in a Pharmaceutical Company in Iran in 2017. All employees working in the administrative, production, installations and facilities, and laboratory units were studied using the consensus method (N=n=130 employees). A data collection form was designed for identifying the hazards using the Nominal Group Technique (NGT) method, as well as a pair-wise questionnaire was used for collecting required data in the quantitative phase...
April 2018: Bulletin of Emergency and Trauma
https://www.readbyqxmd.com/read/29716491/clinical-practice-variation-in-acute-severe-burn-injury
#18
T L Garside, R P Lee, A Delaney, D Milliss
The New South Wales (NSW) Statewide Burn Injury Service Database was reviewed to identify variations in clinical practice with respect to care of severely burn-injured patients in intensive care. We compared differences in practice relating to duration of endotracheal intubation and surgical grafting. In this retrospective observational study, we reviewed all intensive care unit (ICU) admissions to the two NSW adult burns centres, ICU A and ICU B, between January 2008 and December 2015. Data were analysed for association between duration of intubation and outcome...
May 2018: Anaesthesia and Intensive Care
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
#19
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/29713000/effects-of-inhaled-nitric-oxide-on-outcome-after-prolonged-cardiac-arrest-in-mild-therapeutic-hypothermia-treated-rats
#20
Anne Brücken, Christian Bleilevens, Philipp Berger, Kay Nolte, Nadine T Gaisa, Rolf Rossaint, Gernot Marx, Matthias Derwall, Michael Fries
Guidelines endorse targeted temperature management to reduce neurological sequelae and mortality after cardiac arrest (CA). Additional therapeutic approaches are lacking. Inhaled nitric oxide (iNO) given post systemic ischemia/reperfusion injury improves outcomes. Attenuated inflammation by iNO might be crucial in brain protection. iNO augmented mild therapeutic hypothermia (MTH) may improve outcome after CA exceeding the effect of MTH alone. Following ten minutes of CA and three minutes of cardiopulmonary resuscitation, 20 male Sprague-Dawley rats were randomized to receive MTH at 33 °C for 6hrs or MTH + 20ppm iNO for 5hrs; one group served as normothermic control...
April 30, 2018: Scientific Reports
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