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Septic shock

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32 papers 1000+ followers
By Faye Kehler Family Physician and GP Anesthetist since 1987 interested in all aspects of Medicine
https://www.readbyqxmd.com/read/29149941/pathophysiology-of-septic-shock
#1
REVIEW
James A Russell, Barret Rush, John Boyd
Fundamental features of septic shock are vasodilation, increased permeability, hypovolemia, and ventricular dysfunction. Vasodilation owing to increased nitric oxide and prostaglandins is treated with vasopressors (norepinephrine first). Increased permeability relates to several pathways (Slit/Robo4, vascular endothelial growth factor, angiopoietin 1 and 2/Tie2 pathway, sphingosine-1-phosphate, and heparin-binding protein), some of which are targets for therapies. Hypovolemia is common and crystalloid is recommended for fluid resuscitation...
January 2018: Critical Care Clinics
https://www.readbyqxmd.com/read/29298189/delay-within-the-3-hour-surviving-sepsis-campaign-guideline-on-mortality-for-patients-with-severe-sepsis-and-septic-shock
#2
Lisiane Pruinelli, Bonnie L Westra, Pranjul Yadav, Alexander Hoff, Michael Steinbach, Vipin Kumar, Connie W Delaney, Gyorgy Simon
OBJECTIVES: To specify when delays of specific 3-hour bundle Surviving Sepsis Campaign guideline recommendations applied to severe sepsis or septic shock become harmful and impact mortality. DESIGN: Retrospective cohort study. SETTING: One health system composed of six hospitals and 45 clinics in a Midwest state from January 01, 2011, to July 31, 2015. PATIENTS: All adult patients hospitalized with billing diagnosis of severe sepsis or septic shock...
April 2018: Critical Care Medicine
https://www.readbyqxmd.com/read/28973227/effect-of-an-early-resuscitation-protocol-on-in-hospital-mortality-among-adults-with-sepsis-and-hypotension-a-randomized-clinical-trial
#3
RANDOMIZED CONTROLLED TRIAL
Ben Andrews, Matthew W Semler, Levy Muchemwa, Paul Kelly, Shabir Lakhi, Douglas C Heimburger, Chileshe Mabula, Mwango Bwalya, Gordon R Bernard
Importance: The effect of an early resuscitation protocol on sepsis outcomes in developing countries remains unknown. Objective: To determine whether an early resuscitation protocol with administration of intravenous fluids, vasopressors, and blood transfusion decreases mortality among Zambian adults with sepsis and hypotension compared with usual care. Design, Setting, and Participants: Randomized clinical trial of 212 adults with sepsis (suspected infection plus ≥2 systemic inflammatory response syndrome criteria) and hypotension (systolic blood pressure ≤90 mm Hg or mean arterial pressure ≤65 mm Hg) presenting to the emergency department at a 1500-bed referral hospital in Zambia between October 22, 2012, and November 11, 2013...
October 3, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28991047/vasopressors-do-not-influence-cerebral-critical-closing-pressure-during-systemic-inflammation-evoked-by-experimental-endotoxemia-and-sepsis-in-humans
#4
Judith Maria Dimphena van den Brule, Roeland Stolk, Elisabeth Janine Vinke, Lex Maxim van Loon, Peter Pickkers, Johannes Gerardus van der Hoeven, Matthijs Kox, Cornelia Wilhelmina Elisabeth Hoedemaekers
AIM: The aim of this study was to investigate the effects of different vasopressors on the cerebral vasculature during experimental human endotoxemia and sepsis. We used the critical closing pressure (CrCP) as a measure of cerebral vascular tone. METHODS: We performed a prospective pilot study, at the intensive care department (ICU) of a tertiary care university hospital in the Netherlands, in 40 healthy male subjects during experimental human endotoxemia (administration of bacterial lipopolysaccharide [LPS]) and in 10 patients with severe sepsis or septic shock...
October 4, 2017: Shock
https://www.readbyqxmd.com/read/29060444/classification-models-to-predict-vasopressor-administration-for-septic-shock-in-the-emergency-department
#5
Varesh Prasad, James C Lynch, Corey L Pasakarnis, Jill E Thorsen, Michael R Filbin, Andrew T Reisner, Thomas Heldt
Optimal management of sepsis and septic shock in the emergency department (ED) involves timely decisions related to intravenous fluid resuscitation and initiation of vasoactive medication support. A decision-support tool trained on electronic health record data, can help improve this complex decision. We retrospectively extracted vital signs, lab measurements, and fluid administration information from 807 patient visits over a two-year period to a major ED. Patients selected for inclusion had a high likelihood of septic shock...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29079487/what-is-the-preferred-resuscitation-fluid-for-patients-with-severe-sepsis-and-septic-shock
#6
Michael E Winters, Robert Sherwin, Gary M Vilke, Gabriel Wardi
BACKGROUND: Current guidelines for the management of patients with severe sepsis and septic shock recommend crystalloids as the initial fluid solution of choice in the resuscitation of these patients. In recent years, there have been numerous studies published on the type of fluid used in the resuscitation of patients with sepsis. The primary goal of this article is to determine the preferred intravenous fluid for the resuscitation of patients with severe sepsis and septic shock. METHODS: A MEDLINE literature review was completed to identify studies that investigated the type of resuscitation fluid in the management of patients with severe sepsis and septic shock...
December 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28757818/procalcitonin-assisted-antibiotic-strategy-in-sepsis
#7
Domonkos Trásy, Zsolt Molnár
Sepsis is one of the biggest challenges in critical care nowadays. Defining sepsis is a difficult task on its own and its diagnosis and treatment requires well trained, devoted personnel with interdisciplinary collaboration in order to provide the patients the best chance for survival. Immediate resuscitation, early adequate antimicrobial therapy, source control and highly sophisticated organ support on the intensive care units are all inevitable necessities for successful recovery. To help fast and accurate diagnosis biomarkers have been measured for decades...
May 2017: EJIFCC
https://www.readbyqxmd.com/read/27423462/qsofa-does-not-replace-sirs-in-the-definition-of-sepsis
#8
COMMENT
Jean-Louis Vincent, Greg S Martin, Mitchell M Levy
No abstract text is available yet for this article.
July 17, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27229641/sepsis-resuscitation-fluid-choice-and-dose
#9
REVIEW
Matthew W Semler, Todd W Rice
Sepsis is a common and life-threatening inflammatory response to severe infection treated with antibiotics and fluid resuscitation. Despite the central role of intravenous fluid in sepsis management, fundamental questions regarding which fluid and in what amount remain unanswered. Recent advances in understanding the physiologic response to fluid administration, and large clinical studies examining resuscitation strategies, fluid balance after resuscitation, colloid versus crystalloid solutions, and high- versus low-chloride crystalloids, inform the current approach to sepsis fluid management and suggest areas for future research...
June 2016: Clinics in Chest Medicine
https://www.readbyqxmd.com/read/27011791/sepsis-induced-myocardial-dysfunction-pathophysiology-and-management
#10
REVIEW
Yasuyuki Kakihana, Takashi Ito, Mayumi Nakahara, Keiji Yamaguchi, Tomotsugu Yasuda
Sepsis is aggravated by an inappropriate immune response to invading microorganisms, which occasionally leads to multiple organ failure. Several lines of evidence suggest that the ventricular myocardium is depressed during sepsis with features of diastolic dysfunction. Potential candidates responsible for septic cardiomyopathy include pathogen-associated molecular patterns (PAMPs), cytokines, and nitric oxide. Extracellular histones and high-mobility group box 1 that function as endogenous damage-associated molecular patterns (DAMPs) also contribute to the myocardial dysfunction associated with sepsis...
2016: Journal of Intensive Care
https://www.readbyqxmd.com/read/27217054/sepsis-pathophysiology-and-clinical-management
#11
REVIEW
Jeffrey E Gotts, Michael A Matthay
Sepsis, severe sepsis, and septic shock represent increasingly severe systemic inflammatory responses to infection. Sepsis is common in the aging population, and it disproportionately affects patients with cancer and underlying immunosuppression. In its most severe form, sepsis causes multiple organ dysfunction that can produce a state of chronic critical illness characterized by severe immune dysfunction and catabolism. Much has been learnt about the pathogenesis of sepsis at the molecular, cell, and intact organ level...
May 23, 2016: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/27085369/association-of-fluid-resuscitation-initiation-within-30-minutes-of-severe-sepsis-and-septic-shock-recognition-with-reduced-mortality-and-length-of-stay
#12
Daniel Leisman, Benjamin Wie, Martin Doerfler, Andrea Bianculli, Mary Frances Ward, Meredith Akerman, John K D'Angelo, Jason A Zemmel D'Amore
STUDY OBJECTIVE: We evaluate the association of intravenous fluid resuscitation initiation within 30 minutes of severe sepsis or septic shock identification in the emergency department (ED) with inhospital mortality and hospital length of stay. We also compare intravenous fluid resuscitation initiated at various times from severe sepsis or septic shock identification's association with the same outcomes. METHODS: This was a review of a prospective, observational cohort of all ED severe sepsis or septic shock patients during 13 months, captured in a performance improvement database at a single, urban, tertiary care facility (90,000 ED visits/year)...
September 2016: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/26903338/the-third-international-consensus-definitions-for-sepsis-and-septic-shock-sepsis-3
#13
Mervyn Singer, Clifford S Deutschman, Christopher Warren Seymour, Manu Shankar-Hari, Djillali Annane, Michael Bauer, Rinaldo Bellomo, Gordon R Bernard, Jean-Daniel Chiche, Craig M Coopersmith, Richard S Hotchkiss, Mitchell M Levy, John C Marshall, Greg S Martin, Steven M Opal, Gordon D Rubenfeld, Tom van der Poll, Jean-Louis Vincent, Derek C Angus
IMPORTANCE: Definitions of sepsis and septic shock were last revised in 2001. Considerable advances have since been made into the pathobiology (changes in organ function, morphology, cell biology, biochemistry, immunology, and circulation), management, and epidemiology of sepsis, suggesting the need for reexamination. OBJECTIVE: To evaluate and, as needed, update definitions for sepsis and septic shock. PROCESS: A task force (n = 19) with expertise in sepsis pathobiology, clinical trials, and epidemiology was convened by the Society of Critical Care Medicine and the European Society of Intensive Care Medicine...
February 23, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/26877875/prognostic-utility-of-plasma-lactate-measured-between-24-and-48-h-after-initiation-of-early-goal-directed-therapy-in-the-management-of-sepsis-severe-sepsis-and-septic-shock
#14
Jason Chertoff, Michael Chisum, Lauren Simmons, Brent King, Michael Walker, Jorge Lascano
BACKGROUND: Based on the proven efficacy of lactate in predicting mortality and morbidity in sepsis when measured early in the resuscitative protocol, our group hypothesized that this utility extends later in the course of care. This study sought to investigate the prognostic potential of plasma lactate clearance measured 24-48 h after the initiation of treatment for nonsurgical patients with sepsis, severe sepsis, and septic shock. METHODS: Plasma lactate values, measured 24-48 h after the initiation of treatment, were collected in nonsurgical septic, severe septic, and septic shock patients...
2016: Journal of Intensive Care
https://www.readbyqxmd.com/read/26821106/sepsis-kills-early-intervention-saves-lives
#15
MULTICENTER STUDY
Anthony R Burrell, Mary-Louise McLaws, Mary Fullick, Rosemary B Sullivan, Doungkamol Sindhusake
OBJECTIVE: To implement a statewide program for the early recognition and treatment of sepsis in New South Wales, Australia. SETTING: Ninety-seven emergency departments in NSW hospitals. INTERVENTION: A quality improvement program (SEPSIS KILLS) that promoted intervention within 60 minutes of recognition, including taking of blood cultures, measuring serum lactate levels, administration of intravenous antibiotics, and fluid resuscitation. MAIN OUTCOME MEASURES: Time to antibiotics and fluid resuscitation; mortality rates and length of stay...
February 1, 2016: Medical Journal of Australia
https://www.readbyqxmd.com/read/26722156/frequency-of-fluid-overload-and-usefulness-of-bioimpedance-in-patients-requiring-intensive-care-for-sepsis-syndromes
#16
Timothy R Larsen, Gurbir Singh, Victor Velocci, Mohamed Nasser, Peter A McCullough
Guideline-directed therapy for sepsis calls for early fluid resuscitation. Often patients receive large volumes of intravenous fluids. Bioimpedance vector analysis (BIVA) is a noninvasive technique useful for measuring total body water. In this prospective observational study, we enrolled 18 patients admitted to the intensive care unit for the treatment of sepsis syndromes. Laboratory data, clinical parameters, and BIVA were recorded daily. All but one patient experienced volume overload during the course of treatment...
January 2016: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/26370823/impact-of-intravenous-fluid-composition-on-outcomes-in-patients-with-systemic-inflammatory-response-syndrome
#17
Andrew D Shaw, Carol R Schermer, Dileep N Lobo, Sibyl H Munson, Victor Khangulov, David K Hayashida, John A Kellum
INTRODUCTION: Intravenous (IV) fluids may be associated with complications not often attributed to fluid type. Fluids with high chloride concentrations such as 0.9 % saline have been associated with adverse outcomes in surgery and critical care. Understanding the association between fluid type and outcomes in general hospitalized patients may inform selection of fluid type in clinical practice. We sought to determine if the type of IV fluid administered to patients with systemic inflammatory response syndrome (SIRS) is associated with outcome...
September 12, 2015: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/26563763/fluid-strategies-and-outcomes-in-patients-with-acute-respiratory-distress-syndrome-systemic-inflammatory-response-syndrome-and-sepsis-a-protocol-for-a-systematic-review-and-meta-analysis
#18
REVIEW
Jonathan A Silversides, Andrew J Ferguson, Daniel F McAuley, Bronagh Blackwood, John C Marshall, Eddy Fan
BACKGROUND: Fluid administration to critically ill patients remains the subject of considerable controversy. While intravenous fluid given for resuscitation may be life-saving, a positive fluid balance over time is associated with worse outcomes in critical illness. The aim of this systematic review is to summarise the existing evidence regarding the relationship between fluid administration or balance and clinically important patient outcomes in critical illness. METHODS: We will search Medline, EMBASE, the Cochrane Central Register of Controlled Trials from 1980 to the present and key conference proceedings from 2009 to the present...
November 12, 2015: Systematic Reviews
https://www.readbyqxmd.com/read/26067924/vasopressor-and-inotrope-use-in-canadian-emergency-departments-evidence-based-consensus-guidelines
#19
REVIEW
Dennis Djogovic, Shavaun MacDonald, Andrea Wensel, Rob Green, Osama Loubani, Patrick Archambault, Simon Bordeleau, David Messenger, Adam Szulewski, Jon Davidow, Janeva Kircher, Sara Gray, Katherine Smith, James Lee, Jean Marc Benoit, Dan Howes
No abstract text is available yet for this article.
February 2015: CJEM
https://www.readbyqxmd.com/read/25270275/lower-versus-higher-hemoglobin-threshold-for-transfusion-in-septic-shock
#20
RANDOMIZED CONTROLLED TRIAL
Lars B Holst, Nicolai Haase, Jørn Wetterslev, Jan Wernerman, Anne B Guttormsen, Sari Karlsson, Pär I Johansson, Anders Aneman, Marianne L Vang, Robert Winding, Lars Nebrich, Helle L Nibro, Bodil S Rasmussen, Johnny R M Lauridsen, Jane S Nielsen, Anders Oldner, Ville Pettilä, Maria B Cronhjort, Lasse H Andersen, Ulf G Pedersen, Nanna Reiter, Jørgen Wiis, Jonathan O White, Lene Russell, Klaus J Thornberg, Peter B Hjortrup, Rasmus G Müller, Morten H Møller, Morten Steensen, Inga Tjäder, Kristina Kilsand, Suzanne Odeberg-Wernerman, Brit Sjøbø, Helle Bundgaard, Maria A Thyø, David Lodahl, Rikke Mærkedahl, Carsten Albeck, Dorte Illum, Mary Kruse, Per Winkel, Anders Perner
BACKGROUND: Blood transfusions are frequently given to patients with septic shock. However, the benefits and harms of different hemoglobin thresholds for transfusion have not been established. METHODS: In this multicenter, parallel-group trial, we randomly assigned patients in the intensive care unit (ICU) who had septic shock and a hemoglobin concentration of 9 g per deciliter or less to receive 1 unit of leukoreduced red cells when the hemoglobin level was 7 g per deciliter or less (lower threshold) or when the level was 9 g per deciliter or less (higher threshold) during the ICU stay...
October 9, 2014: New England Journal of Medicine
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