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Acute Kidney Injury Biomarkers

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https://www.readbyqxmd.com/read/28430754/biomarkers-for-early-acute-kidney-injury-diagnosis-and-severity-prediction-a-pilot-multicenter-canadian-study-of-children-admitted-to-the-icu
#1
Jennifer Palermo, Allison B Dart, Alanna De Mello, Prasad Devarajan, Ronald Gottesman, Gonzalo Garcia Guerra, Greg Hansen, Ari R Joffe, Cherry Mammen, Nick Majesic, Catherine Morgan, Peter Skippen, Michael Pizzi, Ana Palijan, Michael Zappitelli
OBJECTIVE: Acute kidney injury occurs early in PICU admission and increases risks for poor outcomes. We evaluated the feasibility of a multicenter acute kidney injury biomarker urine collection protocol and measured diagnostic characteristics of urine neutrophil gelatinase-associated lipocalin, interleukin-18, and liver fatty acid binding protein to predict acute kidney injury and prolonged acute kidney injury. DESIGN: Prospective observational pilot cohort study...
April 20, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28430696/sequential-analysis-of-a-panel-of-biomarkers-and-pathologic-findings-in-a-resuscitated-rat-model-of-sepsis-and-recovery
#2
Nishkantha Arulkumaran, Marije L Sixma, Elisa Jentho, Elias Ceravola, Paul S Bass, John A Kellum, Robert J Unwin, Fred W K Tam, Mervyn Singer
OBJECTIVES: To characterize the temporal pattern of a panel of blood and urinary biomarkers in an animal model of fecal peritonitis and recovery. DESIGN: Prospective observational animal study. SETTING: University research laboratory. SUBJECTS: Male Wistar rats. INTERVENTIONS: A fluid-resuscitated, long-term (3 d) rat model of sepsis (fecal peritonitis) and recovery was used to understand the temporal association of sepsis biomarkers in relation to systemic hemodynamics, inflammation, and renal function...
April 20, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28423002/human-sr-bii-mediates-saa-uptake-and-contributes-to-saa-pro-inflammatory-signaling-in-vitro-and-in-vivo
#3
Irina N Baranova, Ana C P Souza, Alexander V Bocharov, Tatyana G Vishnyakova, Xuzhen Hu, Boris L Vaisman, Marcelo J Amar, Zhigang Chen, Alan T Remaley, Amy P Patterson, Peter S T Yuen, Robert A Star, Thomas L Eggerman
Serum amyloid A (SAA) is an acute phase protein with cytokine-like and chemotactic properties, that is markedly up-regulated during various inflammatory conditions. Several receptors, including FPRL-1, TLR2, TLR4, RAGE, class B scavenger receptors, SR-BI and CD36, have been identified as SAA receptors. This study provides new evidence that SR-BII, splice variant of SR-BI, could function as an SAA receptor mediating its uptake and pro-inflammatory signaling. The uptake of Alexa Fluor488 SAA was markedly (~3 fold) increased in hSR-BII-expressing HeLa cells when compared with mock-transfected cells...
2017: PloS One
https://www.readbyqxmd.com/read/28417544/urine-biomarkers-of-acute-kidney-injury-in-noncritically-ill-hospitalized-children-treated-with-chemotherapy
#4
Maya Sterling, Zubaida Al-Ismaili, Kelly R McMahon, Melissa Piccioni, Michael Pizzi, Theresa Mottes, Larry C Lands, Sharon Abish, Adam J Fleming, Michael R Bennett, Ana Palijan, Prasad Devarajan, Stuart L Goldstein, Maureen M O'Brien, Michael Zappitelli
BACKGROUND: Cisplatin (Cis), carboplatin (Carb), and ifosfamide (Ifos) are common nephrotoxic chemotherapies. Biomarkers of tubular injury may allow for early acute kidney injury (AKI) diagnosis. PROCEDURE: We performed a two-center (Canada, United States) pilot study to prospectively measure serum creatinine (SCr), urine neutrophil gelatinase-associated lipocalin (NGAL), and interleukin-18 (IL-18) in children receiving Cis/Carb (27 episodes), Ifos (30 episodes), and in 15 hospitalized, nonchemotherapy patients...
April 18, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28412129/acute-kidney-injury-after-burn
#5
REVIEW
Audra Clark, Javier A Neyra, Tarik Madni, Jonathan Imran, Herb Phelan, Brett Arnoldo, Steven E Wolf
Acute kidney injury (AKI) is a common and morbid complication after severe burn, with an incidence and mortality as high as 30% and 80%, respectively. AKI is a broad clinical condition with many etiologies, which makes definition and diagnosis challenging. The most recent Kidney Disease: Improving Global Outcomes (KDIGO) consensus guidelines defined stage and severity of AKI based on changes of serum creatinine and urine output (UOP) across time. Burn-related kidney injury is typically classified as early (0-3days after injury) or late (4-14days after injury)...
April 12, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28411423/novel-urinary-biomarkers-and-the-early-detection-of-acute-kidney-injury-after-open-cardiac-surgeries
#6
Said M Elmedany, Salah S Naga, Rania Elsharkawy, Rabab S Mahrous, Ahmed I Elnaggar
No abstract text is available yet for this article.
April 6, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28411358/early-diagnostic-markers-for-detection-of-acute-kidney-injury-in-allogeneic-hematopoietic-stem-cell-transplant-recipients
#7
Serpil Muge Deger, Yasemin Erten, Elif Suyani, Sahika Zeynep Aki, Gulay Ulusal Okyay, Ozge T Pasaoglu, Hatice Pasaoglu, Turgay Arinsoy, Gulsan Turkoz Sucak
OBJECTIVES: Acute kidney injury is a relatively frequent complication of allogenic hematopoietic stem cell transplant, resulting in increased risk of morbidity and mortality. Early diagnosis and management of acute kidney injury is of great importance for prevention of poor outcomes in these transplant recipients. MATERIALS AND METHODS: Fifty consecutive patients, hospitalized for allogenic hematopoietic stem cell transplant at the Bone Marrow Transplantation Unit of Gazi University Faculty of Medicine, were included in this prospective study...
April 14, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28409285/urinary-calprotectin-kidney-injury-molecule-1-and-neutrophil-gelatinase-associated-lipocalin-for-the-prediction-of-adverse-outcome-in-pediatric-acute-kidney-injury
#8
Jens H Westhoff, Felix S Seibert, Sina Waldherr, Frederic Bauer, Burkhard Tönshoff, Alexander Fichtner, Timm H Westhoff
Early identification of patients with acute kidney injury (AKI) being at high risk for adverse outcome can influence medical treatment. This study compares urinary calprotectin, kidney injury molecule-1 (KIM-1), and neutrophil gelatinase-associated lipocalin (NGAL) for their performance in predicting mortality and need for renal replacement therapy (RRT) in pediatric AKI patients. Urinary biomarker concentrations were assessed prospectively in 141 subjects aged 0-18 years including 55 patients with established AKI according to pediatric Risk, Injury, Failure, Loss, and End-stage kidney disease (pRIFLE) criteria, 27 patients without AKI, and 59 healthy children...
April 14, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28399905/cardiac-biomarkers-are-associated-with-maximum-stage-of-acute-kidney-injury-in-critically-ill-patients-a-prospective-analysis
#9
Ryan Haines, Siobhan Crichton, Jessica Wilson, David Treacher, Marlies Ostermann
BACKGROUND: This study aimed to investigate whether cardiac troponin T (cTnT), cardiac troponin I (cTnI) and serum N-terminal pro-brain natriuretic peptide (NT-proBNP) are associated with acute kidney injury (AKI) and need for acute renal replacement therapy (RRT) in adult patients admitted to the intensive care unit (ICU). METHODS: We analysed prospectively collected data for patients admitted to the ICU between June and December 2010 for non-cardiac reasons. The Kidney Disease Improving Global Outcomes creatinine criteria were applied to identify patients with AKI including those who received acute RRT...
April 12, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28396736/the-clinical-utility-of-kinetic-glomerular-filtration-rate
#10
Eoin D O'Sullivan, Arthur Doyle
Background: In acutely unwell patients with rapidly changing renal function, estimating glomerular filtration rate (GFR) and predicting adverse renal outcomes are challenging and often inaccurate. Kinetic GFR (kGFR) is an estimate of immediate biomarker clearance derived from two discreet measurements that may better represent acute function. Our objective is to assess the clinical utility of kGFR as a predictive tool and examine the association of kGFR to adverse renal outcomes compared with measurements to traditional estimates...
April 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28389813/plasma-neutrophil-gelatinase-associated-lipocalin-is-associated-with-iron-status-in-anemic-patients-with-pre-dialysis-chronic-kidney-disease
#11
Il Young Kim, Joo Hui Kim, Dong Won Lee, Soo Bong Lee, Harin Rhee, Sang Heon Song, Eun Young Seong, Ihm Soo Kwak
BACKGROUND: Iron deficiency anemia is common in patients with chronic kidney disease (CKD). Neutrophil gelatinase-associated lipocalin (NGAL), a biomarker of acute kidney injury, is known to be associated with iron metabolism. We investigated whether plasma NGAL level is associated with iron status in pre-dialysis CKD patients with anemia. METHODS: This study included 419 patients who had anemia. The subjects were into categorized into a pre-dialysis group (estimated glomerular filtration rate [eGFR] <60 ml/min/1...
April 7, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28389482/what-are-the-risks-and-benefits-of-temporarily-discontinuing-medications-to-prevent-acute-kidney-injury-a-systematic-review-and-meta-analysis
#12
Penny Whiting, Andrew Morden, Laurie A Tomlinson, Fergus Caskey, Thomas Blakeman, Charles Tomson, Tracey Stone, Alison Richards, Jelena Savović, Jeremy Horwood
OBJECTIVES: To summarise evidence on temporary discontinuation of medications to prevent acute kidney injury (AKI). DESIGN: Systematic review and meta-analysis of randomised and non-randomised studies. PARTICIPANTS: Adults taking diuretics, ACE inhibitors (ACEI), angiotensin receptor blockers (ARB), direct renin inhibitors, non-steroidal anti-inflammatories, metformin or sulfonylureas, experiencing intercurrent illnesses, radiological or surgical procedures...
April 7, 2017: BMJ Open
https://www.readbyqxmd.com/read/28388547/involvement-of-heparanase-in-the-pathogenesis-of-acute-kidney-injury-nephroprotective-effect-of-pg545
#13
Zaid Abassi, Shadi Hamoud, Ahmad Hassan, Iyad Khamaysi, Omri Nativ, Samuel N Heyman, Rabia Shekh Muhammad, Neta Ilan, Preeti Singh, Edward Hammond, Gianluigi Zaza, Antonio Lupo, Maurizio Onisto, Gloria Bellin, Valentina Masola, Israel Vlodavsky, Giovani Gambaro
Despite the high prevalence of acute kidney injury (AKI) and its association with increased morbidity and mortality, therapeutic approaches for AKI are disappointing. This is largely attributed to poor understanding of the pathogenesis of AKI. Heparanase, an endoglycosidase that cleaves heparan sulfate, is involved in extracellular matrix turnover, inflammation, kidney dysfunction, diabetes, fibrosis, angiogenesis and cancer progression. The current study examined the involvement of heparanase in the pathogenesis of ischemic reperfusion (I/R) AKI in a mouse model and the protective effect of PG545, a potent heparanase inhibitor...
March 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28382566/kinetics-of-the-cell-cycle-arrest-biomarkers-timp-2-igfbp-7-for-prediction-of-acute-kidney-injury-in-infants-after-cardiac-surgery
#14
Katja M Gist, Stuart L Goldstein, Julia Wrona, Jeffrey A Alten, Rajit K Basu, David S Cooper, Danielle E Soranno, Jane Duplantis, Christopher Altmann, Zhiqian Gao, Sarah Faubel
BACKGROUND: Tissue inhibitor metalloproteinase-2 (TIMP-2) and insulin-like growth factor binding protein-7 (IGFBP-7) are cell-cycle arrest biomarkers that have been shown to be predictive of acute kidney injury (AKI) in critically ill adults. AKI affects a large proportion (40%) of children following cardiac surgery. The aim of this study was to describe the kinetics of TIMP-2*IGFBP-7 and test its ability to predict AKI in infants following cardiac surgery. METHODS: A multicenter prospective study was performed in infants undergoing cardiac surgery with cardiopulmonary bypass (CPB) from October 2013 to January 2015...
April 5, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28382533/quantified-kidney-echogenicity-in-mice-with-renal-ischemia-reperfusion-injury-evaluation-as-a-noninvasive-biomarker-of-acute-kidney-injury
#15
Shinya Murata, Noriyuki Sugiyama, Kentaro Maemura, Yoshinori Otsuki
The purpose is to evaluate quantified kidney echogenicity as a biomarker for the early diagnosis of acute kidney injury (AKI) and predicting progression to chronic kidney disease (CKD) in a mouse model of ischemia-reperfusion injury (IRI). Two separate protocols of murine models of IRI were used: (1) 10, 30, and 40 min of bilateral ischemia duration and (2) 45 and 60 min of unilateral ischemia duration. Renal echogenicity was measured with ultrasound and compared with serum creatinine or urine neutrophil gelatinase-associated lipocalin (NGAL) at various timepoints after IRI...
April 5, 2017: Medical Molecular Morphology
https://www.readbyqxmd.com/read/28381460/severe-acute-dehydration-in-a-desert-rodent-elicits-a-transcriptional-response-that-effectively-prevents-kidney-injury
#16
Matthew David MacManes
Animals living in desert environments are forced to survive despite severe heat, intense solar radiation, and both acute and chronic dehydration. These animals have evolved phenotypes that effectively address these environmental stressors. To begin to understand the ways in which the desert-adapted rodent P. eremicus survives, we performed an experiment where we subjected reproductively mature adults to 72 hours of water deprivation, during which they lost on average 23% of their body weight. The animals reacted via a series of changes in the kidney, which included modulating expression of genes responsible for reducing the rate of transcription and maintaining water and salt balance...
April 5, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28378735/-value-of-n-terminal-pro-brain-natriuretic-peptide-in-predicting-acute-kidney-injury-in-patients-with-acute-decompensated-chronic-heart-failure
#17
M V Menzorov, A M Shutov, V I Midlenko, N V Larionova, I V Morozova, O V Akulova
AIM: To investigate the prognostic value of serum N-terminal pro-brain natriuretic peptide (NT-proBNP) in the development of acute kidney injury (AKI) in patients with acute decompensated chronic heart failure (ADCHF). SUBJECTS AND METHODS: Eighty-three patients (55 (66%) men and 28 (34%) women; mean age, 65±11 years) with ADCHF were examined. AKI was diagnosed and classified according to the 2012 Kidney Disease Improving Global Outcomes Clinical Practice guidelines...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28375506/moderator-s-view-patient-centered-approaches-for-optimizing-aki-management-the-role-of-kidney-biomarkers
#18
Ravindra L Mehta
Patients with acute kidney injury (AKI) continue to pose challenges for clinicians worldwide. Our understanding of the pathophysiology, epidemiology and course of the disease has improved significantly; however, this has not translated into any significant improvement in outcomes. Multiple new biomarkers have been developed to characterize the course of the disease and have been evaluated in multiple trials. Unfortunately, the adoption of biomarkers into routine clinical care has not been as expected. Several factors contribute to the slow uptake and can be addressed...
March 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28375504/con-cautionary-tales-and-reservations-about-the-adoption-of-new-technologies-and-biomarkers-for-the-management-of-acute-kidney-injury
#19
Wim Van Biesen
Acute kidney injury (AKI) is an important health-care problem. Over the last decades, many innovative therapies and diagnostic approaches have been tried; however, none of these has been able to confirm consistently that they lead to improved outcomes. Much focus has been placed on intensive care unit (ICU)-associated AKI, whereas the bulk of AKI still concerns patients not in the ICU. Involvement of nephrologists in the care of AKI patients is necessary to further improve outcomes. It is unclear whether new technologies, such as biomarkers, are helpful and could replace nephrology consultation...
March 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28375502/pro-prevention-of-acute-kidney-injury-time-for-teamwork-and-new-biomarkers
#20
Claudio Ronco, Lilia Rizo-Topete, Mara Serrano-Soto, Kianoush Kashani
Acute kidney injury (AKI) is a common condition in critically ill patients. Multiple studies have identified AKI as a strong independent risk factor for higher morbidity and mortality. AKI is often multifactorial, asymptomatic and difficult to predict. In recent years, the discovery of several AKI biomarkers, including the recent validation and approval of cell cycle arrest biomarkers (NephroCheck, Astute Medical, San Diego, CA, USA), has provided additional tools to detect patients at high risk of AKI and improve their outcomes...
March 1, 2017: Nephrology, Dialysis, Transplantation
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