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https://www.readbyqxmd.com/read/28088436/injury-severity-sex-and-transfusion-volume-but-not-transfusion-ratio-predict-inflammatory-complications-after-traumatic-injury
#1
Allison R Jones, Heather M Bush, Susan K Frazier
BACKGROUND: Blood component (packed red blood cells [PRBC], fresh frozen plasma [FFP], platelets [PLT]) ratios transfused in a 1:1:1 fashion are associated with survival after trauma; the relationship among blood component ratios and inflammatory complications after trauma is not fully understood. OBJECTIVES: To evaluate the relationship among blood component ratios (1:1 vs other for PRBC:FFP and PRBC:PLT) and inflammatory complications (primary outcome) in patients with major trauma...
January 11, 2017: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/28079607/mapping-regional-differences-of-local-pressure-volume-curves-with-electrical-impedance-tomography
#2
Alessandro Beda, Alysson R Carvalho, Nadja C Carvalho, Sören Hammermüller, Marcelo B P Amato, Thomas Muders, Claudia Gittel, Katharina Noreikat, Hermann Wrigge, Andreas W Reske
OBJECTIVES: Lung-protective mechanical ventilation aims to prevent alveolar collapse and overdistension, but reliable bedside methods to quantify them are lacking. We propose a quantitative descriptor of the shape of local pressure-volume curves derived from electrical impedance tomography, for computing maps that highlight the presence and location of regions of presumed tidal recruitment (i.e., elastance decrease during inflation, pressure-volume curve with upward curvature) or overdistension (i...
January 10, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28077740/the-jarisch-herxheimer-reaction-after-antibiotic-treatment-of-spirochetal-infections-a-review-of-recent-cases-and-our-understanding-of-pathogenesis
#3
REVIEW
Thomas Butler
Within 24 hours after antibiotic treatment of the spirochetal infections syphilis, Lyme disease, leptospirosis, and relapsing fever (RF), patients experience shaking chills, a rise in temperature, and intensification of skin rashes known as the Jarisch-Herxheimer reaction (JHR) with symptoms resolving a few hours later. Case reports indicate that the JHR can also include uterine contractions in pregnancy, worsening liver and renal function, acute respiratory distress syndrome, myocardial injury, hypotension, meningitis, alterations in consciousness, seizures, and strokes...
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28076685/diffusion-of-evidence-based-intensive-care-unit-organizational-practices-a-state-wide-analysis
#4
Rachel Kohn, Vanessa Madden, Jeremy M Kahn, David A Asch, Amber E Barnato, Scott D Halpern, Meeta Prasad Kerlin
RATIONALE: Several intensive care unit (ICU) organizational practices have been associated with improved patient outcomes. However, the uptake of these evidence-based practices is unknown. OBJECTIVE: To assess diffusion of ICU organizational practices across the state of Pennsylvania. METHODS: We conducted two web-based, cross-sectional surveys of ICU organizational practices in Pennsylvania acute care hospitals, in 2005 (chief nursing officer respondents) and 2014 (ICU nurse manager respondents)...
January 11, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28070694/early-evaluation-and-monitoring-of-critical-patients-with-acute-respiratory-distress-syndrome-ards-using-specific-genetic-polymorphisms
#5
REVIEW
Florin G Horhat, Fuat Gundogdu, Laurentiu V David, Eugen S Boia, Laurentiu Pirtea, Razvan Horhat, Alexandru Cucui-Cozma, Ioana Ciuca, Mircea Diaconu, Razvan Nitu, Monica Licker, Delia I Horhat, Alexandru F Rogobete, Marius L Moise, Calin Tataru
A high percentage of critical patients are found to develop acute respiratory distress syndrome (ARDS). Several studies have reported high mortality rates in these cases which are most frequently associated with multiple organ dysfunctions syndrome. Lately, many efforts have been made to evaluate and monitor ARDS in critical patients. In this regard, the assessment of genetic polymorphisms responsible for developing ARDS present as a challenge and are considered future biomarkers. Early detection of the specific polymorphic gene responsible for ARDS in critically ill patients can prove to be a useful tool in the future, able to help decrease the mortality rates in these cases...
January 9, 2017: Biochemical Genetics
https://www.readbyqxmd.com/read/28067712/muscle-weakness-and-5-year-survival-in-acute-respiratory-distress-syndrome-survivors
#6
Victor D Dinglas, Lisa Aronson Friedman, Elizabeth Colantuoni, Pedro A Mendez-Tellez, Carl B Shanholtz, Nancy D Ciesla, Peter J Pronovost, Dale M Needham
OBJECTIVES: To longitudinally evaluate the association of post-ICU muscle weakness and associated trajectories of weakness over time with 5-year survival. DESIGN: Longitudinal prospective cohort study over 5 years of follow-up. SETTING: Thirteen ICUs in four hospitals in Baltimore, MD. PATIENTS: One hundred fifty-six acute respiratory distress syndrome survivors. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Strength was evaluated with standardized manual muscle testing using the Medical Research Council sum score (range, 0-60; higher is better), with post-ICU weakness defined as sum score less than 48...
January 6, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28067630/novel-swine-model-of-ricin-induced-acute-respiratory-distress-syndrome
#7
Shahaf Katalan, Reut Falach, Amir Rosner, Michael Goldvaser, Tal Brosh-Nissimov, Ayana Dvir, Avi Mizrachi, Orr Goren, Barak Cohen, Yoav Gal, Anita Sapoznikov, Sharon Ehrlich, Tamar Sabo, Chanoch Kronman
Pulmonary exposure to the plant toxin ricin, leads to respiratory insufficiency and death. To date, in-depth study of the functional disorders ensuing pulmonary intoxication, a prerequisite for establishing a clinically-relevant therapeutic protocol, is hampered by the lack of an appropriate animal model. To this end, we set up the pig, as a large animal model for the comprehensive study of the multifarious clinical manifestations of pulmonary ricinosis.Here we report for the first time, the monitoring of barometric whole body plethysmography for pulmonary function tests in non-anesthetized ricin-intoxicated pigs...
January 6, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28066653/authors-response-to-commentaries-on-rosuvastatin-for-delirium-and-cognitive-impairment-in-sepsis-associated-acute-respiratory-distress-syndrome
#8
COMMENT
Victor D Dinglas, Elizabeth Colantuoni, E Wesley Ely, Catherine L Hough, Peter E Morris, Pedro A Mendez-Tellez, Amy W Wozniak, Ramona O Hopkins, Dale M Needham
No abstract text is available yet for this article.
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28062701/widespread-virus-replication-in-alveoli-drives-acute-respiratory-distress-syndrome-in-aerosolized-h5n1-influenza-infection-of-macaques
#9
Elizabeth R Wonderlich, Zachary D Swan, Stephanie J Bissel, Amy L Hartman, Jonathan P Carney, Katherine J O'Malley, Adebimpe O Obadan, Jefferson Santos, Reagan Walker, Timothy J Sturgeon, Lonnie J Frye, Pauline Maiello, Charles A Scanga, Jennifer D Bowling, Anthea L Bouwer, Parichat A Duangkhae, Clayton A Wiley, JoAnne L Flynn, Jieru Wang, Kelly S Cole, Daniel R Perez, Douglas S Reed, Simon M Barratt-Boyes
Human infections with highly pathogenic avian influenza A (H5N1) virus are frequently fatal but the mechanisms of disease remain ill-defined. H5N1 infection is associated with intense production of proinflammatory cytokines, but whether this cytokine storm is the main cause of fatality or is a consequence of extensive virus replication that itself drives disease remains controversial. Conventional intratracheal inoculation of a liquid suspension of H5N1 influenza virus in nonhuman primates likely results in efficient clearance of virus within the upper respiratory tract and rarely produces severe disease...
January 6, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28062486/plasma-membrane-wounding-and-repair-in-pulmonary-diseases
#10
Xiaofei Cong, Rolf Dieter Hubmayr, Changgong Li, Xiaoli Zhao
Various pathophysiological conditions such as surfactant dysfunction, mechanical ventilation, inflammation, pathogen products, environmental exposures and gastric acid aspiration stress lung cells and the compromise of plasma membranes occur as a result. The mechanisms necessary for cells to repair plasma membrane defects have been extensively investigated in the last two decades, and some of these key repair mechanisms are also shown to occur following lung cell injury. As it was theorized that lung wounding and repair are involved in the pathogenesis of acute respiratory distress syndrome (ARDS) and idiopathic pulmonary fibrosis (IPF), in this review, we summarized the experimental evidence of lung cell injury in these two devastating syndromes, discuss relevant genetic, physical and biological injury mechanisms, as well as mechanisms utilized by lung cells for cell survival and membrane repair...
January 6, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28062482/dysregulated-nox4-ubiquitination-contributes-to-redox-imbalance-and-age-related-severity-of-acute-lung-injury
#11
Sunmi Palumbo, Yoon-Joo Shin, Kareem Ahmad, Ankit A Desai, Hector Quijada, Mohamed Mohamed, Adam Knox, Saad Sammani, Brett A Colson, Ting Wang, Joe G N Garcia, Louise Hecker
Acute respiratory distress syndrome (ARDS) is a devastating critical illness disproportionately affecting the elderly population(higher incidence and mortality). The integrity of the lung endothelial cell (EC) monolayer is critical for preservation of lung function. However, mechanisms mediating EC barrier regulation in aging remain unclear. We assessed the severity of acute lung injury (ALI) in young (2 months) and aged (18 months) mice using a two-hit pre-clinical model. Compared to young cohorts, aged mice exhibited increased ALI severity, with greater vascular permeability characterized by elevated albumin influx, levels of bronchoalveolar lavage (BAL) cells (neutrophils) and protein...
January 6, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28060170/long-term-pulmonary-function-and-quality-of-life-in-children-after-acute-respiratory-distress-syndrome-a-feasibility-investigation
#12
Shan L Ward, Autumn Turpin, Aaron C Spicer, Marsha J Treadwell, Gwynne D Church, Heidi R Flori
OBJECTIVES: To determine the feasibility of pulmonary function and quality of life evaluations in children after acute respiratory distress syndrome. DESIGN: A prospective follow-up feasibility study. SETTING: A tertiary PICU. PATIENTS: Children less than 18 years old with acute respiratory distress syndrome admitted between 2000 and 2005. INTERVENTION: Pulmonary function testing and patient and parental quality of life surveys approximately 12-month after acute respiratory distress syndrome...
January 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28057160/-glabridin-reduces-lipopolysaccharide-induced-lung-injury-in-rats-by-inhibiting-p38-mitogen-activated-protein-kinase-extracellular-regulated-protein-kinases-signaling-pathway
#13
L P Zhang, J G Li
Objective: To investigate whether glabridin has a beneficial effect on lipopolysaccharide (LPS) induced acute respiratory distress syndrome (ARDS) in rats, and to explore the possible underlying mechanisms. Methods: Thirty-two Wistar rats were randomly assigned into control group, model group (LPS group), glabridin group (GLA group), and ulinastatin group (UTI group), with 8 rats in each group. ARDS rat model was reproduced by intraperitoneal injection of LPS (10 mg/kg). The rats in the control group received an equal volume of normal saline at the same times...
December 27, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28054897/thrombosis-of-the-right-internal-jugular-vein-is-not-a-contraindication-to-ambulatory-veno-venous-extracorporeal-membrane-oxygenation-with-a-bicaval-dual-lumen-single-cannula-system
#14
Anthony Kronfli, Chetan Pasrija, Aakash Shah, Mehrdad Ghoreishi, Jose P Garcia, Si M Pham, Pablo G Sanchez, Zachary N Kon
BACKGROUND: Veno-venous extracorporeal membrane oxygenation (VV-ECMO) is an ever-emerging method of managing respiratory failure in patients who are refractory to conventional mechanical ventilatory support. An increasingly common method of cannulation involves placement of a bicaval dual-lumen, single cannula via the right internal jugular (IJ) vein. Thrombus in this vein has been considered a contraindication for cannula placement. CASE REPORT: A 45-year-old Hispanic male presented with bleomycin-induced respiratory failure resulting in acute respiratory distress syndrome (ARDS)...
14, 2016: Heart Surgery Forum
https://www.readbyqxmd.com/read/28054136/-role-of-imaging-procedures-in-clarification-of-complications-of-pneumonia
#15
K Lampichler
CLINICAL ISSUE: Despite a considerable number of antimicrobial agents and interdisciplinary treatment options, lower respiratory tract infections are still associated with high morbidity and mortality rates. Infections of the respiratory tract can lead to severe complications, such as empyema, lung abscesses and acute respiratory distress syndrome (ARDS). Besides intrapulmonary complications pneumonia can also impair other organs due to a systemic inflammatory response. Underlying cardiovascular diseases, such as chronic heart failure, arteriosclerosis and dysrhythmia can either deteriorate due to infections or be newly manifested as a result of pneumonia...
January 4, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28053267/assessment-of-resuscitation-as-measured-by-markers-of-metabolic-acidosis-and-features-of-injury
#16
D S Weinberg, A S Narayanan, T A Moore, H A Vallier
AIMS: The best time for definitive orthopaedic care is often unclear in patients with multiple injuries. The objective of this study was make a prospective assessment of the safety of our early appropriate care (EAC) strategy and to evaluate the potential benefit of additional laboratory data to determine readiness for surgery. PATIENTS AND METHODS: A cohort of 335 patients with fractures of the pelvis, acetabulum, femur, or spine were included. Patients underwent definitive fixation within 36 hours if one of the following three parameters were met: lactate < 4...
January 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28051154/therapeutic-effects-of-human-umbilical-cord-derived-mesenchymal-stem-cells-in-acute-lung-injury-mice
#17
Hua Zhu, Yi Xiong, Yunqiu Xia, Rong Zhang, Daiyin Tian, Ting Wang, Jihong Dai, Lijia Wang, Hongbing Yao, Hong Jiang, Ke Yang, Enmei Liu, Yujun Shi, Zhou Fu, Li Gao, Lin Zou
The incidence and mortality of acute lung injury (ALI)/acute respiratory distress syndrome (ARDS) are still very high, but stem cells show some promise for its treatment. Here we found that intratracheal administration of human umbilical cord-mesenchymal stem cells (UC-MSCs) significantly improved survival and attenuated the lung inflammation in lipopolysaccharide (LPS)-induced ALI mice. We also used the proteins-chip and bioinformatics to analyze interactions between UC-MSCs treatment and immune-response alternations of ALI mice...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28049396/oxidative-stress-and-antioxidant-potential-of-one-hundred-medicinal-plants
#18
Waseem Hassan, Hamsa Noreen, Shakila Rehman, Shehnaz Gul, Mohammad Amjad Kamal, Jean Paul Kamdem, Bakht Zaman, Joao B T da Rocha
Reactive species are produced in biological system because of redox reactions. The imbalance in pro-oxidant and antioxidant homeostasis leads to the production of toxic reactive oxygen and nitrogen species like hydrogen peroxide, organic peroxides, hydroxyl radicals, superoxide anion and nitric oxide. Inactivation of metabolic enzymes, oxidation of biomolecules and cellular damage are some of the prominent characteristics of reactive species. Similarly, oxidative stress has been associated with more than one hundred (100) pathologies such as atherosclerosis, diabetes, cardiovascular diseases, pancreatic and liver diseases, joint disorders, cardiac fibrosis, acute respiratory distress syndrome, neurological diseases (amyotrophic lateral sclerosis, Huntington's disorder, Parkinson's disease and Alzheimer's disease), ageing and cancer etc...
January 2, 2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28046003/cxcl10-ip-10-neutralization-can-ameliorate-lipopolysaccharide-induced-acute-respiratory-distress-syndrome-in-rats
#19
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/28040987/fifty-years-of-research-in-ards-is-acute-respiratory-distress-syndrome-a-preventable-disease
#20
Hemang Yadav, B Taylor Thompson, Ognjen Gajic
Despite significant advances in our understanding and management of patients with Acute Respiratory Distress Syndrome (ARDS), the morbidity and mortality from ARDS remains unacceptably high. Given the consistent failure to find effective treatments for established ARDS, the strategic focus of ARDS research has shifted towards identifying patients with or at high risk of ARDS early in the course of the underlying illness where strategies to reduce the development and progression of ARDS and associated organ failures can be systematically evaluated...
December 31, 2016: American Journal of Respiratory and Critical Care Medicine
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