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Fluid sepsis

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https://www.readbyqxmd.com/read/29474201/mechanical-ventilation-induces-desensitization-of-lung-axl-tyrosine-kinase-receptors
#1
Gail Otulakowski, Doreen Engelberts, Martin Post, Claire Masterson, Brian P Kavanagh
BACKGROUND: Lower tidal volumes are increasingly used in acute respiratory distress syndrome, but mortality has changed little in the last 20 yr. Therefore, in addition to ventilator settings, it is important to target molecular mediators of injury. Sepsis and other inflammatory states increase circulating concentrations of Gas6, a ligand for the antiinflammatory receptor Axl, and of a soluble decoy form of Axl. We investigated the effects of lung stretch on Axl signaling. METHODS: We used a mouse model of early injury from high tidal volume and assessed the effects of inhibiting Axl on in vivo lung injury (using an antagonist R428, n = 4/group)...
February 23, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29472928/immunothrombotic-activity-of-damage-associated-molecular-patterns-and-extracellular-vesicles-in-secondary-organ-failure-induced-by-trauma-and-sterile-insults
#2
REVIEW
John Eppensteiner, Robert Patrick Davis, Andrew S Barbas, Jean Kwun, Jaewoo Lee
Despite significant improvements in injury prevention and emergency response, injury-related death and morbidity continues to increase in the US and worldwide. Patients with trauma, invasive operations, anti-cancer treatment, and organ transplantation produce a host of danger signals and high levels of pro-inflammatory and pro-thrombotic mediators, such as damage-associated molecular patterns (DAMPs) and extracellular vesicles (EVs). DAMPs (e.g., nucleic acids, histone, high-mobility group box 1 protein, and S100) are molecules released from injured, stressed, or activated cells that act as endogenous ligands of innate immune receptors, whereas EVs (e...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29471107/pick1-deficiency-exacerbates-sepsis-associated-acute-lung-injury-and-impairs-glutathione-synthesis-via-reduction-of-xct
#3
Meizi Qian, Yingying Lou, Yixiu Wang, Minyuan Zhang, Qun Jiang, Yunchang Mo, Kunyuan Han, Shenhui Jin, Qinxue Dai, Yulong Yu, Zhen Wang, Junlu Wang
The role of oxidative stress has been well documented in the development of sepsis-induced acute lung injury (ALI). Protein interaction with C-kinase 1 (PICK1) participates in oxidative stress-related neuronal diseases. However, its function in lung infections and inflammatory diseases is not known. We therefore sought to investigate whether PICK1 is involved in sepsis-induced ALI. Cecal ligation and puncture (CLP) was performed in anesthetized wild type (WT) and PICK1 knock out (KO, PICK1-/- ) mice with C57BL/6 background...
February 19, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29470360/oral-supplementation-with-bovine-colostrum-prevents-septic-shock-and-brain-barrier-disruption-during-bloodstream-infection-in-preterm-newborn-pigs
#4
Anders Brunse, Päivi Worsøe, Susanne Elisabeth Pors, Kerstin Skovgaard, Per Torp Sangild
Preterm infants have increased risk of neonatal sepsis, potentially inducing brain injury, and they may benefit from early initiation of enteral milk feeding. Using preterm pigs as models, we hypothesized that early provision of bovine colostrum to parentally nourished newborns protects against sepsis and neuroinflammation during bloodstream infection. Preterm newborn pigs were administered 10 CFU/kg of intra-arterial Staphylococcus epidermidis (SE, an opportunistic pathogen often causing sepsis in preterm infants), followed by administration of total parenteral nutrition (TPN, SE + TPN, n = 15) or oral provision of bovine colostrum with supplementary parenteral nutrition (SE + COL, n = 14), and compared with uninfected, TPN-nourished controls (CON + TPN, n = 11)...
February 21, 2018: Shock
https://www.readbyqxmd.com/read/29468593/methods-to-study-the-innate-immune-response-to-sepsis
#5
Wendy E Walker
This chapter describes techniques to measure the innate immune response in the mouse cecal ligation and puncture model of sepsis. The reader will learn how to perform retro-orbital bleeds to harvest serum from mice and learn how to perform peritoneal lavage to harvest cells and inflammatory mediators from this compartment. The enzyme-linked immunosorbent assay (ELISA) technique is described as a method to measure the levels of cytokines and chemokines in these fluids. Additionally, this chapter describes techniques to stain the cellular fraction of the peritoneal lavage with fluorescently labeled antibodies, and perform fluorescence activated cell sorting (FACS) to quantify macrophages and neutrophils in this compartment...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29468069/utility-of-sofa-score-management-and-outcomes-of-sepsis-in-southeast-asia-a-multinational-multicenter-prospective-observational-study
#6
Khie Chen Lie, Chuen-Yen Lau, Nguyen Van Vinh Chau, T Eoin West, Direk Limmathurotsakul
Background: Sepsis is a global threat but insufficiently studied in Southeast Asia. The objective was to evaluate management, outcomes, adherence to sepsis bundles, and mortality prediction of maximum Sequential Organ Failure Assessment (SOFA) scores in patients with community-acquired sepsis in Southeast Asia. Methods: We prospectively recruited hospitalized adults within 24 h of admission with community-acquired infection at nine public hospitals in Indonesia ( n  = 3), Thailand ( n  = 3), and Vietnam ( n  = 3)...
2018: Journal of Intensive Care
https://www.readbyqxmd.com/read/29467458/maresin-1-attenuates-mitochondrial-dysfunction-through-the-alx-camp-ros-pathway-in-the-cecal-ligation-and-puncture-mouse-model-and-sepsis-patients
#7
Jiaqi Gu, Lingchun Luo, Qian Wang, Songfan Yan, Jing Lin, Dan Li, Bingbing Cao, Hongxia Mei, Binyu Ying, Lu Bin, Fang Gao Smith, Sheng-Wei Jin
Inflammation always accompanies infection during sepsis. Mitochondrial dysfunction and the role of reactive oxygen species (ROS) produced by mitochondria have been proposed in the pathogenesis of sepsis. Maresins have protective and resolving effects in experimental models of infection. In the present study, we investigated the effects of maresin 1 (MaR1) on mitochondrial function in cecal ligation and puncture (CLP)-induced sepsis and sepsis patients to identify mechanisms underlying maresin 1-mediated stimulation of ROS in mitochondria...
February 21, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29463168/associated-mortality-of-liberal-fluid-administration-in-sepsis
#8
Mathew R Johnson, T Patrick Reed, Denise K Lowe, William D Cahoon
Fluid resuscitation, to restore intravascular volume and improve oxygen delivery, is a crucial step in early resuscitation efforts of patients with sepsis or septic shock. The 2016 Surviving Sepsis Campaign guidelines suggest the use of dynamic versus static measures of fluid responsiveness and fluid resuscitation with at least 30 mL/kg of intravenous crystalloid within the first 3 hours followed by fluid administration if hemodynamic factors continue to improve. Despite these recommendations, risks to this practice may exist as multiple studies have demonstrated an association between a positive fluid balance and/or administration of large fluid volume and increase in mortality...
January 1, 2018: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/29459977/evidence-underpinning-the-u-s-government-mandated-hemodynamic-interventions-for-sepsis-a-systematic-review
#9
Dominique J Pepper, Dharmvir Jaswal, Junfeng Sun, Judith Welsh, Charles Natanson, Peter Q Eichacker
Background: The Severe Sepsis and Septic Shock Early Management Bundle (SEP-1), the sepsis performance measure introduced by the Centers for Medicare & Medicaid Services (CMS), requires up to 5 hemodynamic interventions, as many as 141 tasks, and 3 hours to document for a single patient. Purpose: To evaluate whether moderate- or high-level evidence shows that use of SEP-1 or its hemodynamic interventions improves survival in adults with sepsis. Data Sources: PubMed, Embase, Scopus, Web of Science, and ClinicalTrials...
February 20, 2018: Annals of Internal Medicine
https://www.readbyqxmd.com/read/29455308/fluid-therapy-and-outcome-a-prospective-observational-study-in-65-german-intensive-care-units-between-2010-and-2011
#10
Christian Ertmer, Bernhard Zwißler, Hugo Van Aken, Michael Christ, Fabian Spöhr, Axel Schneider, Robert Deisz, Matthias Jacob
BACKGROUND: Outcome data on fluid therapy in critically ill patients from randomised controlled trials may be different from data obtained by observational studies under "real-life" conditions. We conducted this prospective, observational study to investigate current practice of fluid therapy (crystalloids and colloids) and associated outcomes in 65 German intensive care units (ICUs). In total, 4545 adult patients who underwent intravenous fluid therapy were included. The main outcome measures were 90-day mortality, ICU mortality and acute kidney injury (AKI)...
February 17, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29449214/invasive-bacterial-infections-in-young-afebrile-infants-with-a-history-of-fever
#11
Santiago Mintegi, Borja Gomez, Alba Carro, Haydee Diaz, Javier Benito
OBJECTIVE: To determine the prevalence of invasive bacterial infections (IBI, pathogenic bacteria in blood or cerebrospinal fluid) in infants less than 90 days old with fever without a source related to the presence or absence of fever on arrival to the emergency department (ED). DESIGN: Prospective registry-based cohort study. SETTING: Paediatric ED of a tertiary teaching hospital. PATIENTS: We included infants less than 90 days old with a history of fever evaluated in the ED from 2003 to 2016...
February 15, 2018: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/29444562/fluid-resuscitation-during-early-sepsis-a-need-for-individualization
#12
Mathieu Jozwiak, Olfa Hamzaoui, Xavier Monnet, Jean-Louis Teboul
The prognosis of septic shock is tightly linked to the earliness of both appropriate antibiotic therapy and early hemodynamic resuscitation. This latter is essentially based on fluid and vasopressors administration. The step-by-step strategy, called "early goal-directed therapy" (EGDT) developed in 2001 and endorsed by the Surviving Sepsis Campaign (SSC) between 2004 and 2016 is no longer recommended. Indeed, recent multicenter randomized clinical trials showed no reduction in all-cause mortality, duration of organ support and in-hospital length of stay with EGDT in comparison with standard care...
February 14, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29438568/haemodynamic-assessment-and-support-in-sepsis-and-septic-shock-in-resource-limited-settings
#13
David Misango, Rajyabardhan Pattnaik, Tim Baker, Martin W Dünser, Arjen M Dondorp, Marcus J Schultz
Background: Recommendations for haemodynamic assessment and support in sepsis and septic shock in resource-limited settings are largely lacking. Methods: A task force of six international experts in critical care medicine, all of them members of the Global Intensive Care Working Group of the European Society of Intensive Care Medicine and with extensive bedside experience in resource-limited intensive care units, reviewed the literature and provided recommendations regarding haemodynamic assessment and support, keeping aspects of efficacy and effectiveness, availability and feasibility and affordability and safety in mind...
February 9, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29436406/management-of-suspected-paediatric-meningitis-a-multicentre-prospective-cohort-study
#14
Roshan Ramasamy, Louise Willis, Seilesh Kadambari, Dominic F Kelly, Paul T Heath, Simon Nadel, Andrew J Pollard, Manish Sadarangani
OBJECTIVE: To quantify delays during management of children with suspected meningitis. DESIGN: Multicentre prospective cohort study. SETTING: Three UK tertiary paediatric centres; June 2011-June 2012 PATIENTS: 388 children aged <16 years hospitalised with suspected meningitis or undergoing lumbar puncture (LP) during sepsis evaluation. MAIN OUTCOME MEASURES: Time of prehospital and in-hospital assessments, LP, antibiotic treatment and discharge; types of prehospital medical assessment and microbiological results...
February 7, 2018: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/29432911/tephrosin-attenuates-sepsis-induced-acute-lung-injury-in-rats-by-impeding-expression-of-icam-1-and-mip-2
#15
Jiaorong Yang, Helan Tian, Xiaomo Huang
Acute lung injury (ALI), a devastating form of respiratory infections, is characterized by increased edema, release of cytokines, weakened arterial oxygenation and infiltration of neutrophils and lymphocytes. The objective of the research envisaged was to reveal protective effects of tephrosin (TP) in ALI. In the present investigation, sepsis was triggered in rats by cecal ligation and puncture (CLP) method, and TP was administered intraperitonially. Five groups - Group A (control), Group B (Sham group) Group C (infected and untreated), and Group D and E (infected and treated with 25 and 50 mg/kg TP respectively) - of ten rats each, were used for the investigation...
February 9, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29431121/methotrexate-limits-inflammation-through-an-a20-dependent-cross-tolerance-mechanism
#16
Cristina Municio, Ángeles Dominguez-Soto, Sara Fuentelsaz-Romero, Amalia Lamana, Nuria Montes, Víctor D Cuevas, Raquel García Campos, José L Pablos, Isidoro González-Álvaro, Amaya Puig-Kröger
OBJECTIVES: Methotrexate (MTX) is the anchor drug for treatment of rheumatoid arthritis (RA), but the mechanism of its anti-inflammatory action is not fully understood. In RA, macrophages display a proinflammatory polarisation profile that resembles granulocyte-macrophage colony-stimulating factor (GM-CSF)-differentiated macrophages and the response to MTX is only observed in thymidylate synthase+ GM-CSF-dependent macrophages. To determine the molecular basis for the MTX anti-inflammatory action, we explored toll-like receptor (TLR), RA synovial fluid (RASF) and tumour necrosis factor receptor (TNFR)-initiated signalling in MTX-exposed GM-CSF-primed macrophages...
February 3, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29426264/comparison-between-maternal-and-neonatal-outcome-of-pprom-in-the-cases-of-amniotic-fluid-index-afi-of-more-and-less-than-5-cm
#17
Ashraf Sadat Mousavi, Neda Hashemi, Maryam Kashanian, Narges Sheikhansari, Arash Bordbar, Shayesteh Parashi
The study was performed on pregnant women with a gestational age of 26-32 weeks of pregnancy, who had been admitted to the hospital with a confirmed diagnosis of premature rupture of membranes. In all eligible women, ultrasounds were performed for the evaluation of amniotic fluid index. Then, the women were divided into two groups according to amniotic fluid index of ≥5 cm and <5 cm. These women were followed and monitored up to delivery. The women of the two groups did not have significant difference between them according to age, gestational age at the time of ruptured membrane, body mass index, gravidity, parity, gestational age at delivery and route of delivery...
February 9, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29410412/bacterial-capture-efficiency-in-fluid-bloodstream-improved-by-bendable-nanowires
#18
Lizhi Liu, Sheng Chen, Zhenjie Xue, Zhen Zhang, Xuezhi Qiao, Zongxiu Nie, Dong Han, Jianlong Wang, Tie Wang
Bacterial infectious diseases, such as sepsis, can lead to impaired function in the lungs, kidneys, and other vital organs. Although established technologies have been designed for the extracorporeal removal of bacteria, a high flow velocity of the true bloodstream might result in low capture efficiency and prevent the realization of their full clinical potential. Here, we develop a dialyzer made by three-dimensional carbon foam pre-grafted with nanowires to isolate bacteria from unprocessed blood. The tip region of polycrystalline nanowires is bent readily to form three-dimensional nanoclaws when dragged by the molecular force of ligand-receptor, because of a decreasing Young's moduli from the bottom to the tip...
February 6, 2018: Nature Communications
https://www.readbyqxmd.com/read/29404986/predictors-of-short-term-readmission-after-pancreaticoduodenectomy
#19
Rajesh Ramanathan, Travis Mason, Luke G Wolfe, Brian J Kaplan
BACKGROUND: Readmissions are a common complication after pancreaticoduodenectomy and are increasingly being used as a performance metric affecting quality assessment, public reporting, and reimbursement. This study aims to identify general and pancreatectomy-specific factors contributing to 30-day readmission after pancreaticoduodenectomy, and determine the additive value of incorporating pancreatectomy-specific factors into a large national dataset. METHODS: Prospective American College of Surgeons-National Surgical Quality Improvement Project (ACS-NSQIP) data were retrospectively analyzed for patients who underwent pancreaticoduodenectomy (PD) between 2011 and 2015...
February 5, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29403648/bacteriological-profile-and-antibiotic-susceptibility-pattern-of-common-isolates-of-neonatal-sepsis-ho-municipality-ghana-2016
#20
Fortress Yayra Aku, Patricia Akweongo, Kofi Nyarko, Samuel Sackey, Fredrick Wurapa, Edwin Andrew Afari, Donne Kofi Ameme, Ernest Kenu
Background: Globally, 4 million neonates die annually, with one-third of such deaths occurring as a result of infections. In 2011, there were 7.2million deaths in children below 5 years globally, and a proportion of 40% of these deaths occurred in neonates. Sepsis was reported to account for one-third of these deaths. Presently, multidrug antibiotic resistance is rapidly increasing in Neonatal Intensive Care Units (NICUs), particularly in developing countries and poses a threat to public health...
2018: Maternal Health, Neonatology and Perinatology
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