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Inhalational injury

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https://www.readbyqxmd.com/read/28431417/the-occurrence-of-single-and-multiple-organ-dysfunction-in-pediatric-electrical-versus-other-thermal-burns
#1
Gabriel Hundeshagen, Paul Wurzer, Abigail A Forbes, Charles D Voigt, Vanessa N Collins, Janos Cambiaso-Daniel, Celeste C Finnerty, David N Herndon, Ludwik K Branski
BACKGROUND: Multiple organ failure (MOF) is a major contributor to morbidity and mortality in burned children. While various complications induced by electrical injuries have been described, the incidence and severity of single organ failure (SOF) and MOF associated with this type of injury are unknown. The study was undertaken to compare the incidence and severity of SOF and MOF as well as other complications between electrically and thermally burned children. PATIENTS AND METHODS: Between 2001 and 2016, 288 pediatric patients with electrical burns (EB; n = 96) or thermal burns (CTR; n = 192) were analyzed in this study...
May 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28423388/a-national-study-of-the-effect-of-race-socioeconomic-status-and-gender-on-burn-outcomes
#2
Hala Bedri, Kathleen S Romanowski, Junlin Liao, Ghassan Al-Ramahi, Jason Heard, Thomas Granchi, Lucy Wibbenmeyer
Age, burn size, and inhalation injury are the major contributing variables related to burn mortality. While the female gender has been linked to higher mortality, the impact of socioeconomic status has not been well studied. The interplay between these three factors is also unknown. This study sought to clarify the effects of these variables on outcomes in a national sample of patients with burns. A retrospective review of 172,640 patient records of the National Burn Repository (version 8, 2002-2011) data was conducted...
May 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28421977/-a-woman-with-pink-urine-and-a-pink-skin
#3
J A Versteeg, G A M van der Nat
A 48-year-old woman with fire-related inhalation injury had pink urine and a pink skin. This was caused by hydroxocobalamin, which was used to treat cyanide poisoning.
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28418689/an-official-american-thoracic-society-workshop-report-chemical-inhalational-disasters-biology-of-lung-injury-development-of-novel-therapeutics-and-medical-preparedness
#4
Eleanor M Summerhill, Gary W Hoyle, Sven-Eric Jordt, Bronwen J Jugg, James G Martin, Sadis Matalon, Steven E Patterson, David J Prezant, Alfred M Sciuto, Erik R Svendsen, Carl W White, Livia Veress
This report is based upon the proceedings from the Inhalational Lung Injury Workshop jointly sponsored by the American Thoracic Society (ATS) and the National Institute of Health (NIH)/National Institute of Neurologic Disorders and Stroke (NINDS) Countermeasures Against Chemical Threats (CounterACT) program on May 21, 2013 in Philadelphia, PA. The CounterACT program facilitates research leading to the development of new and improved medical countermeasures for chemical threat agents. The workshop was initiated by the Terrorism and Inhalational Disasters (TID) Section of the Environmental, Occupational, and Population Health Assembly (EOPH) of the ATS...
April 18, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28412132/pre-existing-psychiatric-disorder-in-the-burn-patient-is-associated-with-worse-outcomes
#5
Alexandra Hudson, Sarah Al Youha, Osama A Samargandi, Justin Paletz
OBJECTIVE: To compare patient and burn characteristics between patients who had a pre-existing psychiatric diagnosis and patients who did not in a Burn Unit at an academic hospital. BACKGROUND: Psychosocial issues are common in patients recovering from a burn; however, little is known regarding hospital course and discharge outcomes in patients with a pre-existing psychiatric diagnosis presenting with a burn. Baseline medical comorbidities of burn patients have been shown to be a significant risk for in-hospital mortality...
April 12, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28410931/a-model-of-recovery-from-inhalation-injury-and-cutaneous-burn-in-ambulatory-swine
#6
David M Burmeister, Matthew K McIntyre, Brendan Beely, Bryan Jordan, Kerfoot P Walker, James K Aden, Andriy Batchinsky, Kevin K Chung, Leopoldo C Cancio, Robert J Christy
Inhalation injury commonly accompanies thermal injury, increasing the likelihood of mortality and multiple organ dysfunction (MOD). Large animal models have given important insight into the pathophysiology of this injury; however recapitulating late MOD has remained difficult. The current report describes experiments using a smoke inhalation and burn model, with follow-up of ambulatory swine for 14days with bronchoscopy, CT scanning, and bronchoalveolar lavage fluid (BALF)/blood collection. Clinically, animals cleared airway damage in the first several days after-injury...
April 11, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28403067/protection-by-inhaled-hydrogen-therapy-in-a-rat-model-of-acute-lung-injury-can-be-tracked-in-vivo-using-molecular-imaging
#7
Said H Audi, Elizabeth R Jacobs, Xiao Zhang, Amadou K S Camara, Ming Zhao, Meetha M Medhora, Benjamin Rizzo, Anne V Clough
Inhaled hydrogen gas (H2) provides protection in rat models of human acute lung injury (ALI). We previously reported that biomarker imaging can detect oxidative stress and endothelial cell death in vivo in a rat model of ALI. Our objective was to evaluate the ability of Tc-hexamethylpropyleneamineoxime (HMPAO) and Tc-duramycin to track the effectiveness of H2 therapy in vivo in the hyperoxia rat model of ALI. Rats were exposed to room air (normoxia), 98% O2 + 2% N2 (hyperoxia) or 98% O2 + 2% H2 (hyperoxia+H2) for up to 60 hrs...
April 11, 2017: Shock
https://www.readbyqxmd.com/read/28402575/impaired-proliferation-and-differentiation-of-the-conducting-airway-epithelium-associated-with-bronchiolitis-obliterans-after-sulfur-mustard-inhalation-injury-in-rats
#8
Matthew D McGraw, Jaqueline S Rioux, Rhonda B Garlick, Raymond C Rancourt, Carl W White, Livia A Veress
RationaleSulfur mustard (SM) is a chemical warfare agent that causes chronic airway remodeling. The current study's objective was to assess for changes to the bronchiolar epithelium after SM exposure to explain its contribution to chronic airway remodeling.Materials and MethodsAdult male rats were exposed to a sub-lethal dose of SM inhalation (1.0 - 1.2 mg/kg) for 50 minutes. Histological sections of the bronchiolar epithelium were analyzed for changes using H&E, trichrome, and immunofluorescent staining for acetylated tubulin (AT) and club cell secretory protein (CCSP)...
April 11, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28400689/toxic-epidermal-necrolysis-and-acute-kidney-injury-due-to-glyphosate-ingestion
#9
J Indirakshi, A Sunnesh, M Aruna, M Hari Krishna Reddy, Anil C V Kumar, V Sarat Chandra, B Sangeetha, D T Katyarmal, R Ram, V Siva Kumar
The literature, particularly from India, is scarce on the renal effects of glyphosate poisoning. Glyphosate causes toxicity not only after its ingestion but also after dermal exposure by inhalation route and on eye exposure. We present a patient report of glyphosate consumption which resulted in toxic epidermal necrolysis - the first report after glyphosate consumption and acute kidney injury.
March 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28398532/biopsy-proven-hypersensitivity-pneumonitis-caused-by-a-fluorocarbon-waterproofing-spray
#10
G I Walters, S Trotter, B Sinha, Z Richmond, P S Burge
We present the case of a 35-year-old male who developed a chronic hypersensitivity pneumonitis (HP) following inhalational exposure to a fluorocarbon waterproofing aerosol spray, caused by his work for an upholstery and soft furnishings retailer. This is the first case report from inhalational fluorocarbon exposure with histological evidence of chronic HP. This is then discussed in the context of previous reports of interstitial lung disease and lung injury, caused by similar occupational and non-occupational exposures...
April 8, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28390999/measuring-nitrate-reductase-activity-from-human-and-rodent-tongues
#11
Khandaker A Ahmed, Alexandria L Nichols, Jaideep Honavar, Mark T Dransfield, Sadis Matalon, Rakesh P Patel
Reduction of salivary nitrate to nitrite by oral microbes expressing nitrate-reductase has emerged as a crucial pathway in systemic NO homeostasis in humans and other mammals. Selective depletion of oral microbes prevents dietary nitrate-dependent lowering of blood pressure, inhibition of platelet aggregation and ischemic injury. To date, most studies interrogate enterosalivary nitrate reduction by following changes in saliva or plasma nitrite and NO-signaling (functional) end points. Little is known about whether, and if so how, nitrate-reductase enzymatic activity per se (i...
April 5, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28385809/free-actin-impairs-macrophage-bacterial-defenses-via-scavenger-receptor-marco-interaction-with-reversal-by-plasma-gelsolin
#12
Christine M Ordija, Terry Ting-Yu Chiou, Zhiping Yang, Glen M Deloid, Melina de Oliveira Valdo, Zhi Wang, Alice Bedugnis, Terry L Noah, Samuel Jones, Henry Koziel, Lester Kobzik
Lung injury can release intracellular actin into the alveolar milieu, and is also associated with increased susceptibility to secondary infections. We investigated the effect of free (extracellular) actin on lung macrophage host defense functions. Western blot analysis demonstrated free actin release into the lung lavage fluids of mouse models of ozone injury, influenza infection and secondary pneumococcal pneumonia, and in samples from patients following burn and inhalation injury. Using levels comparable to those observed in lung injury, we found that free actin markedly inhibited murine lung macrophage binding and uptake in vitro of S...
April 6, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28368919/a-national-perspective-on-ecmo-utilization-in-patients-with-burn-injury
#13
Lauren B Nosanov, Melissa M McLawhorn, Mariana Vigiola Cruz, Jason H Chen, Jeffrey W Shupp
Extracorporeal membranous oxygenation (ECMO) has become an increasingly utilized strategy to support patients in cardiac and cardiopulmonary failure. The Extracorporeal Life Support Organization reports adult survival rates between 40 and 50%. Utilization and outcomes for burned patients undergoing ECMO are poorly understood. The National Burn Repository (version 8.0) was queried for patients with ICD9 procedure codes for ECMO. Demographics, comorbidities, mechanism, injury details, and clinical outcomes were recorded...
March 31, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28363282/inhaled-nitric-oxide-and-acute-kidney-injury-new-insights-from-observational-data
#14
EDITORIAL
Laveena Munshi, Neill K J Adhikari
No abstract text is available yet for this article.
March 31, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28360112/apoptotic-cell-death-in-rat-lung-following-mustard-gas-inhalation
#15
Devon Katherine Andres, Brian M Keyser, Ashley A Melber, Betty Jean Benton, Tracey A Hamilton, Denise M Kniffin, Magaret E Martens, Radharaman Ray
To investigate apoptosis as a mechanism of sulfur mustard (SM) inhalation injury in animals, we studied different caspases (caspase-8, -9, -3 and -6) in the lungs from a ventilated rat SM aerosol inhalation model. SM activated all four caspases in cells obtained from bronchoalveolar lavage fluid (BALF) as early as 6 hr after exposure. Caspase-8, which is known to initiate the extrinsic Fas-mediated pathway of apoptosis, was increased 5-fold between 6 to 24 hr, decreasing to the unexposed-control level at 48 hr...
March 30, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28358811/alterations-in-airway-microbiota-in-patients-with-pao2-fio2-ratio-%C3%A2-300-after-burn-and-inhalation-injury
#16
Dana M Walsh, Shaun D McCullough, Scott Yourstone, Samuel W Jones, Bruce A Cairns, Corbin D Jones, Ilona Jaspers, David Diaz-Sanchez
BACKGROUND: Injury to the airways after smoke inhalation is a major mortality risk factor in victims of burn injuries, resulting in a 15-45% increase in patient deaths. Damage to the airways by smoke may induce acute respiratory distress syndrome (ARDS), which is partly characterized by hypoxemia in the airways. While ARDS has been associated with bacterial infection, the impact of hypoxemia on airway microbiota is unknown. Our objective was to identify differences in microbiota within the airways of burn patients who develop hypoxemia early after inhalation injury and those that do not using next-generation sequencing of bacterial 16S rRNA genes...
2017: PloS One
https://www.readbyqxmd.com/read/28346645/facial-trauma-caused-by-electronic-cigarette-explosion
#17
Brian Vaught, Joseph Spellman, Anil Shah, Alexander Stewart, David Mullin
Electronic cigarettes are increasingly popular as a supposed safer alternative to tobacco cigarettes or a smoking cessation tool. Research and debate have focused primarily on possible adverse effects caused by the inhaled aerosol produced by electronic cigarettes and on smoking cessation efficacy. Few reports in the medical literature describe injuries secondary to device malfunction. We present a case of electronic cigarette explosion, with a projectile fracturing the patient's right naso-orbital-ethmoid complex and anterior and posterior frontal sinus tables, with frontal sinus outflow tract involvement...
March 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28341862/follistatin-like-1-aggravates-silica-induced-mouse-lung-injury
#18
Yinshan Fang, Si Zhang, Xiaohe Li, Fangxin Jiang, Qiao Ye, Wen Ning
Occupational inhalation of dust, such as crystalline silica, for prolonged periods in the workplace leads to fibrotic lung diseases worldwide. The mechanisms underlying the diseases are unknown, so that no effective treatment exists for these conditions. We found elevated levels of follistatin like 1 (FSTL1) in serum from patients with silicosis and in lungs from silica-induced mouse model. The induced Fstl1 regulated inflammation response via activation of nod-like receptor family, pyrin domain containing 3v (NLRP3) inflammasome-mediated IL-1β production from macrophages...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28341260/the-effect-of-preexisting-respiratory-co-morbidities-on-burn-outcomes
#19
Laquanda T Knowlin, Lindsay B Stanford, Bruce A Cairns, Anthony G Charles
INTRODUCTION: Burns cause physiologic changes in multiple organ systems in the body. Burn mortality is usually attributable to pulmonary complications, which can occur in up to 41% of patients admitted to the hospital after burn. Patients with preexisting comorbidities such as chronic lung diseases may be more susceptible. We therefore sought to examine the impact of preexisting respiratory disease on burn outcomes. METHODS: A retrospective analysis of patients admitted to a regional burn center from 2002-2012...
March 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28340238/cigarette-smoke-exposure-worsens-endotoxin-induced-lung-injury-and-pulmonary-edema-in-mice
#20
Jeffrey E Gotts, Jason Abbott, Xiaohui Fang, Haru Yanagisawa, Naoki Takasaka, Stephen L Nishimura, Carolyn S Calfee, Michael A Matthay
Introduction: Cigarette smoking (CS) remains a major public health concern and has recently been associated with an increased risk of developing acute respiratory distress syndrome (ARDS). Bronchoalveolar lavage (BAL) experiments in human volunteers have demonstrated that active smokers develop increased alveolar-epithelial barrier permeability to protein after inhaling lipopolysaccharide (LPS). Here we tested the hypothesis that short-term whole-body CS exposure would increase LPS-induced lung edema in mice...
March 9, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
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