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Sepsis biomarkers

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https://www.readbyqxmd.com/read/27936199/circulating-microvesicles-are-elevated-acutely-following-major-burns-injury-and-associated-with-clinical-severity
#1
Kieran P O'Dea, John R Porter, Nikhil Tirlapur, Umar Katbeh, Suveer Singh, Jonathan M Handy, Masao Takata
Microvesicles are cell-derived signaling particles emerging as important mediators and biomarkers of systemic inflammation, but their production in severe burn injury patients has not been described. In this pilot investigation, we measured circulating microvesicle levels following severe burns, with severe sepsis patients as a comparator group. We hypothesized that levels of circulating vascular cell-derived microvesicles are elevated acutely following burns injury, mirroring clinical severity due to the early onset and prevalence of systemic inflammatory response syndrome (SIRS) in these patients...
2016: PloS One
https://www.readbyqxmd.com/read/27925621/presepsin-for-the-detection-of-early-onset-sepsis-in-preterm-newborns
#2
Paolo Montaldo, Roberto Rosso, Alfredo Santantonio, Giovanni Chello, Paolo Giliberti
BACKGROUND: Early-onset sepsis (EOS) is responsible for an important fraction of neonatal morbidity and mortality all over the world. The aim of this study was to assess whether presepsin (P-SEP) can be a more accurate biomarker of EOS compared with pro-calcitonin (PCT) and C-reactive protein (CRP). STUDY DESIGN: Consecutive preterm neonates (<34 wk gestational age, admitted to Neonatal Intensive Care Unit by 6 h of age and undergoing sepsis evaluation) were recruited as part of a case-matched control study...
December 7, 2016: Pediatric Research
https://www.readbyqxmd.com/read/27922551/sphingosine-1-phosphate-s1p-a-potential-biomarker-and-therapeutic-target-for-endothelial-dysfunction-and-sepsis
#3
Martin S Winkler, Axel Nierhaus, Annika Poppe, Gillis Greiwe, Markus Gräler, Guenter Daum
Sepsis is an acute life-threatening multiple organ failure caused by a dysregulated host response to infection. Endothelial dysfunction, particularly barrier disruption leading to increased vascular permeability, edema and insufficient tissue oxygenation is critical to sepsis pathogenesis. Sphingosine-1-phosphate (S1P) is a signaling lipid that regulates important pathophysiological processes including vascular endothelial cell permeability, inflammation and coagulation. It is present at high concentrations in blood and lymph and at very low concentrations in tissues due to the activity of the S1P-degrading enzyme S1P-lyase in tissue cells...
December 2, 2016: Shock
https://www.readbyqxmd.com/read/27911590/proteomic-profiling-identifies-n-acetylmuramoyl-l-alanine-amidase-as-a-novel-biomarker-of-sepsis
#4
Fabiano Pinheiro da Silva, Thais Regiani Cataldi, Thais Martins de Lima, Paulo Nogueira Starzynski, Hermes Vieira Barbeiro, Monica Teresa Veneziano Labate, Marcel Cerqueira Cesar CéMachado, Heraldo Possolo de Souza, Carlos Alberto Labate
AIM: Sepsis is a critical condition that leads to high mortality and is the most common cause of death in intensive care units. Despite exhaustive efforts by the scientific community, a reliable biomarker for diagnosis, evolution and prognosis of sepsis is still lacking. Results/methodology: Here, using high-throughput proteomics, we describe N-acetylmuramoyl-l-alanine amidase as a novel candidate for differentiating infectious and noninfectious inflammatory syndromes. DISCUSSION/CONCLUSION: This is the first description of N-acetylmuramoyl-l-alanine amidase as a biomarker that can be used alone or in conjunction with other biomarkers to facilitate the diagnosis of sepsis in the critically ill...
December 2, 2016: Biomarkers in Medicine
https://www.readbyqxmd.com/read/27908327/ready-for-prime-time-biomarkers-in-sepsis
#5
REVIEW
Brit Long, Alex Koyfman
Sepsis is a common condition managed in the emergency department. Current diagnosis relies on physiologic criteria and suspicion of a source of infection using history, physical examination, laboratory studies, and imaging studies. The infection triggers a host response with the aim to destroy the pathogen, and this response can be measured. A reliable biomarker for sepsis should assist with earlier diagnosis, improve risk stratification, or improve clinical decision making. Current biomarkers for sepsis include lactate, troponin, and procalcitonin...
February 2017: Emergency Medicine Clinics of North America
https://www.readbyqxmd.com/read/27904585/serum-procalcitonin-levels-distinguish-gram-negative-bacterial-sepsis-from-gram-positive-bacterial-and-fungal-sepsis
#6
Shuhua Li, Hengmo Rong, Qinliang Guo, Yifei Chen, Guqing Zhang, Jiong Yang
BACKGROUND: Serum procalcitonin (PCT) levels differ in patients with bacterial or fungal infections and are significantly elevated in patients with Gram-negative bacteremia. We evaluated the diagnostic accuracy of different inflammatory markers to discriminate sepsis caused by different pathogens. MATERIALS AND METHODS: We included 328 episodes of bacteremia from 292 patients with sepsis and 31 patients with suspected sepsis in this study. Medical records of patients who had bacteremia caused by Gram-negative bacteria (Gram-negative), Gram-positive bacteria (Gram-positive) or fungi were reviewed, and information about PCT and other inflammatory markers was recorded...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27890015/the-involvement-of-regulatory-non-coding-rnas-in-sepsis-a-systematic-review
#7
Jeffery Ho, Hung Chan, Sunny H Wong, Maggie H T Wang, Jun Yu, Zhangang Xiao, Xiaodong Liu, Gordon Choi, Czarina C H Leung, Wai T Wong, Zheng Li, Tony Gin, Matthew T V Chan, William K K Wu
BACKGROUND: Sepsis coincides with altered gene expression in different tissues. Accumulating evidence has suggested that microRNAs, long non-coding RNAs, and circular RNAs are important molecules involved in the crosstalk with various pathways pertinent to innate immunity, mitochondrial functions, and apoptosis. METHODS: We searched articles indexed in PubMed (MEDLINE), EMBASE and Europe PubMed Central databases using the Medical Subject Heading (MeSH) or Title/Abstract words ("microRNA", "long non-coding RNA", "circular RNA", "sepsis" and/or "septic shock") from inception to Sep 2016...
November 28, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27885885/septic-encephalopathy-and-septic-encephalitis%C3%A2-%C3%A2
#8
Simone C Tauber, Helmut Eiffert, Wolfgang Brück, Roland Nau
During the last two decades, septic encephalopathy (SE) was recognized as a clinically relevant problem with a high prevalence in patients at admission and during their hospital stay. SE is a condition associated with increased mortality and morbidity such as long-term cognitive impairment. Areas covered: This review illustrates the pathophysiology of sepsis-associated encephalopathy and encephalitis involving blood-brain-barrier dysfunction and neuroinflammation caused by endothelial and microglial activation by endogenous or pathogen-derived compounds, hypoxia by impaired microvascular regulation and septic shock as well as imbalance of neurotransmitters...
December 5, 2016: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/27879562/effects-of-transport-temperature-on-the-stability-of-inflammatory-hemostasis-endothelial-function-and-oxidative-stress-plasma-biomarker-concentrations
#9
Octavia M Peck Palmer, Melinda Carter, Chung-Chou H Chang, Nicole Lucko, Vanessa M Jackson, Qian Sun, Xinyan Xie, Melanie Scott, John A Kellum, Arvind Venkat, Sachin Yende
BACKGROUND: A number of studies in critically ill patients are conducted outside the hospital. Specimens should ideally be transported from out-of-hospital setting to a laboratory using dry ice, but this approach is expensive and may not be feasible in some circumstances. We, therefore, examined the impact of temperature during transport of specimens on the precision of biomarker concentrations. OBJECTIVE: To determine the effects of transport temperature conditions on biomarker concentrations in specimens processed within 1 hour of collection...
November 22, 2016: Shock
https://www.readbyqxmd.com/read/27864924/pentraxin-3-in-patients-with-severe-sepsis-or-shock-the-albios-trial
#10
Pietro Caironi, Serge Masson, Tommaso Mauri, Barbara Bottazzi, Roberto Leone, Michela Magnoli, Simona Barlera, Filippo Mamprin, Andrea Fedele, Alberto Mantovani, Gianni Tognoni, Antonio Pesenti, Luciano Gattinoni, Roberto Latini
BACKGROUND: The long pentraxin PTX3 is a key component of the humoral arm of innate immunity related to sepsis severity and mortality. We evaluated the clinical and prognostic significance of circulating PTX3 in the largest cohort ever reported of patients with severe sepsis or septic shock. DESIGN: Plasma PTX3 was measured on days 1, 2 and 7 after randomization of 958 patients to albumin or crystalloids for fluid resuscitation in the multicenter Albumin Italian Outcome Sepsis (ALBIOS) trial...
November 16, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27864832/colistin-reduces-lps-triggered-inflammation-in-a-human-sepsis-model-in-vivo-a-randomized-controlled-trial
#11
Peter Matzneller, Sabine Strommer, Christa Drucker, Karin Petroczi, Christian Schörgenhofer, Edith Lackner, Bernd Jilma, Markus Zeitlinger
OBJECTIVES: The previously described anti-endotoxin effect of colistin was not investigated in humans yet. We performed a randomized, double-blind, placebo-controlled crossover trial to determine the degree of colistin-driven modulation of inflammatory response in blood of lipopolysaccharide (LPS) - challenged healthy volunteers in a human endotoxemia model. METHODS: After a single intravenous dose of 2.5 million IU colistin methanesulfonate, IL-6, IL-8, TNF-α and IL-1β concentrations as well as other biomarkers of inflammation such as C-reactive protein, differential leukocyte counts and body temperature were measured up to 24 hours post-dose...
November 19, 2016: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27861258/septic-participation-in-cardiogenic-shock-exposure-to-bacterial-endotoxin
#12
Paula Ramirez, Esther Villarreal, Monica Gordon, María Dolores Gómez, Luis de Hevia, Karla Vacacela, Teresa Gisbert, Adrian Quinzá, Jesús Ruiz, Ricardo Alonso, Juan Bonastre, Jordi Vila
OBJECTIVE: In cardiogenic shock (CS), presence of fever, leukocytosis, relatively low systemic vascular resistances and high serum procalcitonin levels are quite frequent and recurrently involve the search for an infectious complication. We hypothesized that endotoxin exposure in CS could explain this sepsis-like syndrome. DESIGN AND SETTING: Prospective observational study of consecutive CS patients admitted to our intensive care unit (ICU). Patients were followed during the first three days after SC onset...
November 15, 2016: Shock
https://www.readbyqxmd.com/read/27859613/serial-measurement-of-presepsin-procalcitonin-and-crp-in-the-early-postoperative-period-and-the-response-to-antithymocyte-globulin-administration-after-heart-transplantation
#13
Janka Franeková, Peter Sečník, Petra Lavríková, Zdenek Kubíček, Lenka Hošková, Eva Kieslichová, Antonín Jabor
Differentiation between systemic inflammatory response syndrome (SIRS) and sepsis in surgical patients is of crucial significance. Procalcitonin (PCT) and C-reactive protein (CRP) are widely used biomarkers, but PCT becomes compromised after antithymocyte globulin (ATG) administration, and CRP exhibits limited specificity. Presepsin has been suggested as an alternative biomarker of sepsis. This study aims to demonstrate the role of presepsin in patients after heart transplantation (HTx). Plasma presepsin, PCT and CRP were measured in 107 patients serially for up to 10 days following HTx...
November 16, 2016: Clinical Transplantation
https://www.readbyqxmd.com/read/27858868/serum-bile-acids-in-term-and-preterm-neonates-a-case-control-study-determining-reference-values-and-the-influence-of-early-onset-sepsis
#14
Evelyn Zöhrer, Bernhard Resch, Hubert Scharnagl, Axel Schlagenhauf, Günter Fauler, Tatjana Stojakovic, Nora Hofer, Uwe Lang, Jörg Jahnel
Serum bile acids (BA) reference values are lacking for neonates. Therefore, this study aimed to determine serum BA reference values in term and preterm neonates. Furthermore, as serum BA concentrations are well-known to rise in septic adults, BA values were determined in early-onset neonatal sepsis (EOS), a common and serious disease in neonates.Using high-performance liquid chromatography-high-resolution mass spectrometry (HPLC-HRMS), we profiled serum BA in 236 infants, including healthy term neonates (n = 84), premature infants (n = 101), and both term infants (n = 35) and preterm infants (n = 16) with EOS...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27857510/the-diagnostic-accuracy-of-serum-procalcitonin-for-bacteremia-in-critically-ill-children
#15
Marianne E Nellis, Steven Pon, Ashley E Giambrone, Nana E Coleman, Jonathan Reiss, Elizabeth Mauer, Bruce M Greenwald
BACKGROUND: Bacterial sepsis is frequently encountered in children admitted to the Pediatric Intensive Care Unit (PICU) and requires early recognition and treatment. Procalcitonin (PCT) is a serum biomarker with a high sensitivity to predict bacteremia in critically-ill adults. This study sought to evaluate the diagnostic accuracy of PCT for bacteremia in febrile children in the PICU. METHODS: This retrospective observational study used data from children admitted to the PICU from October 2010 to October 2012...
November 2016: Infectious Diseases in Clinical Practice: IDCP
https://www.readbyqxmd.com/read/27851008/1372-development-of-a-robust-biomarker-predictive-model-for-death-in-icu-patients-with-sirs-and-sepsis
#16
Carmen Mikacenic, Brenda Price, Susanna Harju-Baker, Ronit Katz, Jonathan Himmelfarb, W Liles, Mark Wurfel
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27850983/1347-usefulness-of-sepsis-biomarkers-according-to-the-new-definitions-of-sepsis
#17
Yasumasa Kawano, Kota Hoshino, Yuhei Irie, Yoshito Izutani, Kentaro Muranishi, Tomoko Tamura, Taisuke Kitamura, Hiroyasu Ishikura
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27846067/detection-of-sepsis-in-preterm-infants-by-fecal-volatile-organic-compounds-analysis-a-proof-of-principle-study
#18
Daniel J C Berkhout, Hendrik J Niemarkt, Martin Buijck, Mirjam M van Weissenbruch, Paul Brinkman, Marc A Benninga, Anton H van Kaam, Boris W Kramer, Peter Andriessen, Nanne K H de Boer, Tim G J de Meij
OBJECTIVES: Several studies associated altered gut microbiota composition in preterm infants with late-onset sepsis (LOS), up to days prior to clinical onset of sepsis. However, microbiota analysis as early diagnostic biomarker is in clinical practice currently not feasible because of logistic aspects and high costs. Therefore, we hypothesized that analysis of fecal volatile organic compounds (VOC) may serve as non-invasive biomarker to predict LOS at a preclinical stage, since VOC reflect the composition and activity of intestinal microbial communities...
November 14, 2016: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/27835962/soluble-programmed-cell-death-receptor-1-spd-1-a-potential-biomarker-with-anti-inflammatory-properties-in-human-and-experimental-acute-respiratory-distress-syndrome-ards
#19
Sean F Monaghan, Chun-Shiang Chung, Yaping Chen, Joanne Lomas-Neira, William G Fairbrother, Daithi S Heffernan, William G Cioffi, Alfred Ayala
BACKGROUND: Acute respiratory distress syndrome (ARDS) remains a common organ dysfunction in the critically ill patient. Mechanisms for its development have focused on immune mediated causes, aspects of our understanding are not complete, and we lack biomarkers. DESIGN, SETTING, AND SUBJECTS: Blood and bronchial alveolar lavage fluid (BAL) from humans (n = 10-13) with ARDS and controls (n = 5-10) as well as a murine model of ARDS (n = 5-6) with controls (n = 6-7) were studied...
November 11, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27832977/development-and-validation-of-a-parsimonious-and-pragmatic-charm-score-to-predict-mortality-in-patients-with-suspected-sepsis
#20
Kuan-Fu Chen, Su-Hsun Liu, Chih-Huang Li, Chin-Chieh Wu, Chung-Hsien Chaou, I-Shiang Tzeng, Yu-Hsiang Hsieh, Gerald N Blaney, Zhen-Ying Liu, Shih-Tsung Han, Yi-Lin Chan
BACKGROUND: We aimed to derive and validate a parsimonious and pragmatic clinical prediction rule using the concepts of Predisposition, Infection, Response, and Organ Dysfunction to predict in-hospital mortality; and to compare it with other prediction rules, as well as with conventional biomarkers for evaluating the mortality risk of patients with suspected sepsis in the emergency department (ED). METHODS: We conducted a pragmatic cohort study with consecutive ED patients aged 18 or older with documented diagnostic codes of infection and two sets of blood culture ordered by physicians between 2010 and 2012 in a tertiary teaching hospital...
November 3, 2016: American Journal of Emergency Medicine
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