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AKI Biomarkers

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163 papers 25 to 100 followers
By Isabel Acosta-Ochoa Nephrology senior staff. Valladolid. Spain
https://www.readbyqxmd.com/read/29081510/isolation-and-characterization-of-urinary-extracellular-vesicles-implications-for-biomarker-discovery
#1
REVIEW
Michael L Merchant, Ilse M Rood, Jeroen K J Deegens, Jon B Klein
Urine is a valuable diagnostic medium and, with the discovery of urinary extracellular vesicles, is viewed as a dynamic bioactive fluid. Extracellular vesicles are lipid-enclosed structures that can be classified into three categories: exosomes, microvesicles (or ectosomes) and apoptotic bodies. This classification is based on the mechanisms by which membrane vesicles are formed: fusion of multivesicular bodies with the plasma membranes (exosomes), budding of vesicles directly from the plasma membrane (microvesicles) or those shed from dying cells (apoptotic bodies)...
October 30, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/29069419/prediction-of-contrast-induced-acute-kidney-injury-using-novel-biomarkers-following-contrast-coronary-angiography
#2
M Connolly, M Kinnin, D Mc Eneaney, I Menown, M J Kurth, J Lamont, N Morgan, M Harbinson
Background: Chronic Kidney Disease (CKD) is a risk factor for contrast induced acute kidney injury (CI-AKI). Contrast angiography in CKD patients is a common procedure. Creatinine is a delayed marker of CI-AKI and delays diagnosis which results in significant morbidity and mortality. Aim: Early diagnosis of CI-AKI requires validated novel biomarkers. Design: A prospective observation study of 301 consecutive CKD patients undergoing coronary angiography was performed...
October 23, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/29057384/concise-review-current-and-emerging-biomarkers-of-nephrotoxicity
#3
Elijah J Weber, Jonathan Himmelfarb, Edward J Kelly
The kidney is a primary organ for filtration of the blood and elimination of drugs and xenobiotics. These active reabsorptive and secretory processes can result in acute kidney injury as a result of these concentrative properties. Classic measures of acute kidney injury are hampered by their ability to accurately assess function before irreversible damage has occurred. This review will discuss efforts to refine the clinical utility of standard biomarkers as well as the development of novel biomarkers of nephrotoxicity...
June 2017: Current Opinion in Toxicology
https://www.readbyqxmd.com/read/29023315/biomarkers-of-drug-induced-kidney-injury
#4
Lynn Redahan, Patrick T Murray
PURPOSE OF REVIEW: Drug-induced kidney injury (DIKI) is an important and potentially modifiable cause of acute kidney injury (AKI). The reliance on traditional markers of kidney injury to diagnose DIKI impedes early detection. Biomarkers of DIKI that facilitate early diagnosis and the identification of high-risk patients are essential to ameliorate the clinical burden of this complication. RECENT FINDINGS: Recent progress in this area supports the potential utility of several biomarkers for the diagnosis of DIKI, for the prediction of outcomes and also for monitoring responses to potential nephrotoxic or beneficial therapies...
December 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28979774/early-detection-of-acute-cisplatin-nephrotoxicity-interest-of-urinary-monitoring-of-proximal-tubular-biomarkers
#5
Valérian Bunel, Yasmina Tournay, Thomas Baudoux, Eric De Prez, Marie Marchand, Zita Mekinda, Raphaël Maréchal, Thierry Roumeguère, Marie-Hélène Antoine, Joëlle L Nortier
BACKGROUND: Renal toxicity induced by cisplatin (CisPt) is a clinical issue in patients with or without chronic kidney disease (CKD). Proximal tubular injury can result in acute kidney injury (AKI), which may compromise the course of chemotherapy and the prognosis. The purpose of this study was to investigate the time course of urinary markers of acute tubulotoxicity and to assess the usefulness of such monitoring in a routine clinical setting. METHODS: This work is an open prospective pilot study carried out among 23 patients receiving a platinum-based chemotherapy...
October 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28967626/nuclear-dna-as-predictor-of-acute-kidney-injury-in-patients-undergoing-coronary-artery-bypass-graft-a-pilot-study
#6
Valery V Likhvantsev, Giovanni Landoni, Oleg A Grebenchikov, Yuri V Skripkin, Tatiana S Zabelina, Liudmila A Zinovkina, Anastasia S Prikhodko, Vladimir V Lomivorotov, Roman A Zinovkin
OBJECTIVE: To measure the release of plasma nuclear deoxyribonucleic acid (DNA) and to assess the relationship between nuclear DNA level and acute kidney injury occurrence in patients undergoing cardiac surgery. SETTING: Cardiovascular anesthesiology and intensive care unit of a large tertiary-care university hospital. DESIGN: Prospective observational study. PARTICIPANTS: Fifty adult patients undergoing cardiac surgery...
May 1, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28967168/serum-procalcitonin-levels-predict-acute-kidney-injury-in-critically-ill-patients
#7
Rajeev Jeeha, David Lee Skinner, Kim De Vasconcellos, Nombulelo Princess Magula
AIM: To determine whether admission procalcitonin (PCT) was associated with the subsequent development of AKI in a general population of critically ill patients. METHODS: The study was a retrospective observational study conducted in a multidisciplinary intensive care unit (ICU) over a period of 1 year. Adult patients who had a PCT performed on admission and who did not have CKD or AKI on admission, were evaluated for the development of AKI within the first week of ICU admission, according to the KDIGO criteria...
October 2, 2017: Nephrology
https://www.readbyqxmd.com/read/28857121/assessment-of-plasma-endostatin-to-predict-acute-kidney-injury-in-critically-ill-patients
#8
J Mårtensson, S T Vaara, V Pettilä, T Ala-Kokko, S Karlsson, O Inkinen, A Uusaro, A Larsson, M Bell
BACKGROUND: We evaluated whether plasma endostatin predicts acute kidney injury (AKI), need for renal replacement therapy (RRT), or death. METHODS: Prospective, observational, multicenter study from 1 September 2011 to 1 February 2012 with data from 17 intensive care units (ICUs) in Finland. RESULTS: A total of 1112 patients were analyzed. We measured plasma endostatin within 2 h of ICU admission. Early AKI (KDIGO stage within 12 h of ICU admission) was found in 20% of the cohort, and 18% developed late AKI (KDIGO criteria > 12 h from ICU admission)...
November 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28857811/biomarker-guided-intervention-to-prevent-acute-kidney-injury-after-major-surgery-the-prospective-randomized-bigpak-study
#9
Ivan Göcze, Dominik Jauch, Markus Götz, Pascal Kennedy, Bettina Jung, Florian Zeman, Carsten Gnewuch, Bernhard M Graf, Wolfgang Gnann, Bernhard Banas, Thomas Bein, Hans J Schlitt, Tobias Bergler
OBJECTIVE: To determine the impact of renal biomarker-guided implementation of the Kidney Disease Improving Global Outcomes (KDIGO) care bundle on the incidence of acute kidney injury (AKI) after major noncardiac surgery in a single-center unblinded randomized clinical trial. BACKGROUND: Early optimization of volume status and discontinuation of nephrotoxic medication before the occurrence of AKI may be the crucial step to reduce preventable AKI. METHODS: The urinary biomarker-triggered KDIGO care bundle (early optimization of fluid status, maintenance of perfusion pressure, discontinuation of nephrotoxic agents) was compared to standard intensive care unit (ICU) care in 121 patients with an increased AKI risk after major abdominal surgery that was determined by urinary biomarker (inhibitor of metalloproteinase-2 × insulin-like growth factor-binding protein 7) >0...
August 29, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28844586/performance-of-serum-creatinine-and-kidney-injury-biomarkers-for-diagnosing-histologic-acute-tubular-injury
#10
Dennis G Moledina, Isaac E Hall, Heather Thiessen-Philbrook, Peter P Reese, Francis L Weng, Bernd Schröppel, Mona D Doshi, F Perry Wilson, Steven G Coca, Chirag R Parikh
BACKGROUND: The diagnosis of acute kidney injury (AKI), which is currently defined as an increase in serum creatinine (Scr) concentration, provides little information on the condition's actual cause. To improve phenotyping of AKI, many urinary biomarkers of tubular injury are being investigated. Because AKI cases are not frequently biopsied, the diagnostic accuracy of concentrations of Scr and urinary biomarkers for histologic acute tubular injury is unknown. STUDY DESIGN: Cross-sectional analysis from multicenter prospective cohort...
August 23, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28841902/markers-of-acute-kidney-injury-in-patients-with-sepsis-the-role-of-soluble-thrombomodulin
#11
Shinshu Katayama, Shin Nunomiya, Kansuke Koyama, Masahiko Wada, Toshitaka Koinuma, Yuya Goto, Ken Tonai, Jun Shima
BACKGROUND: Endothelial activation and damage occur early during sepsis, with activated coagulopathy and playing a major role in the pathophysiology of sepsis-induced acute kidney injury (AKI). The aim of this study was to compare the various biomarkers of endothelial injury with the biomarkers of coagulation and inflammation and to determine a significant predictor of AKI in patients with sepsis. METHODS: We conducted a single-center, retrospective, observational study on patients with sepsis fulfilling the Third International Consensus Definitions for Sepsis and Septic Shock criteria admitted to an adult intensive care unit (ICU) at a university hospital from June 2011 to December 2016...
August 25, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28840836/predictive-ability-of-circulating-osteoprotegerin-as-a-novel-biomarker-for-early-detection-of-acute-kidney-injury-induced-by-sepsis
#12
Mona Schaalan, Waleed Mohamed
Though significant progress has been made towards new diagnostic approaches for early detection of acute kidney injury (AKI) induced by different factors, there is still an urgent demand for a more specific and predictive biomarker for each type. The aim of this study is to unravel the potential diagnostic utility of circulating osteoprotegerin (OPG) in septic patients who developed AKI in the ICU, compared to cystatin C (a renal function maker) and KIM-1 (a kidney damage marker). Eighty patients (male = 43, female = 37) with ages ranging from 42 to 46 years and with sepsis, 40 of whom developed AKI, and 30 healthy controls were enrolled in this prospective study...
June 1, 2017: European Cytokine Network
https://www.readbyqxmd.com/read/28837526/mitochondrial-dna-is-released-in-urine-of-sirs-patients-with-acute-kidney-injury-and-correlates-with-severity-of-renal-dysfunction
#13
Marcel P B Jansen, Wilco P Pulskens, Loes M Butter, Sandrine Florquin, Nicole P Juffermans, Joris J T H Roelofs, Jaklien C Leemans
Systemic inflammatory response syndrome (SIRS) is characterized by the activation of the innate immune system resulting in stimulation of inflammatory responses, coagulation, and platelet activation, that may contribute to complication such as the development of acute kidney injury (AKI). AKI importantly worsens the outcome of SIRS, implying the existence of a detrimental cross-talk via systemic messages. Mitochondria are a source of damage-associated molecular patterns (DAMPs) and are thought to form a molecular link between tissue injury and stimulation of innate immunity...
August 23, 2017: Shock
https://www.readbyqxmd.com/read/28821332/interleukin-8-and-tumor-necrosis-factor-predict-acute-kidney-injury-after-pediatric-cardiac-surgery
#14
Christina A de Fontnouvelle, Jason H Greenberg, Heather R Thiessen-Philbrook, Michael Zappitelli, Jeremy Roth, Kathleen F Kerr, Prasad Devarajan, Michael Shlipak, Steven Coca, Chirag R Parikh
BACKGROUND: Inflammation is a key component of both acute kidney injury (AKI) and response to cardiopulmonary bypass. Because AKI poses risks to children after cardiac surgery, we investigated the value of inflammatory biomarkers interleukin-8 (IL-8) and tumor necrosis factor alpha (TNFα) for predicting AKI and other complications. METHODS: We enrolled 412 children between the ages of 1 month and 18 years undergoing cardiopulmonary bypass for cardiac surgery. We collected blood both preoperatively and postoperatively (within 6 hours post-surgery) and measured plasma IL-8 and TNFα...
August 16, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28803769/urine-biomarkers-of-tubular-renal-cell-damage-for-the-prediction-of-acute-kidney-injury-after-cardiac-surgery-a-pilot-study
#15
Tanja Mayer, Daniel Bolliger, Markus Scholz, Oliver Reuthebuch, Michael Gregor, Patrick Meier, Martin Grapow, Manfred D Seeberger, Jens Fassl
OBJECTIVE: To evaluate the perioperative course of urine levels of the renal damage biomarkers tissue inhibitor of metalloproteinase 2 (TIMP-2) and insulin-like growth factor-binding protein 7 (IGFBP7) and to evaluate the predictive value of elevated TIMP-2 × IGFBP7 concentrations to predict acute kidney injury (AKI) early after cardiac on-pump surgery. DESIGN: Prospective, observational cohort study. SETTING: University hospital. PARTICIPANTS: The study comprised 110 consecutive patients undergoing elective cardiac surgery with cardiopulmonary bypass (CPB) between January and March 2014...
April 16, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28792670/comments-on-the-review-biomarkers-in-acute-kidney-injury-pathophysiological-basis-and-clinical-performance-acta-physiol-2017-219-556-574-an-update-on-kidney-localization-of-igfbp7-and-timp2
#16
David R Emlet, Xiaoyan Wen, John A Kellum
In March of 2017, Acta Physiologica published a special series on renoprotection, and one of the publications in that series was a review entitled "Biomarkers in acute kidney injury - pathophysiological basis and clinical performance". This review described very well the current understanding of the pathophysiology, cellular localization, and clinical performance of the most important currently proposed biomarkers of AKI, to include insulin-like growth factor binding protein 7 (IGFBP7) and tissue inhibitor of metalloproteinases 2 (TIMP2)...
August 9, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28787339/perioperative-acute-kidney-injury-an-under-recognized-problem
#17
REVIEW
Melanie Meersch, Christoph Schmidt, Alexander Zarbock
The incidence of perioperative acute kidney injury (AKI) is more common than previously recognized, especially in high-risk patients undergoing higher risk procedures. The growing number of patients who develop perioperative AKI is related, in part, to the aging population and increase in the number of individuals with chronic comorbidities, particularly those with premorbid chronic kidney disease. Despite the acceptance of standardization in the definition of AKI, clinicians routinely underdiagnose it and fail to appreciate that it is associated with considerable morbidity and mortality...
October 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28770412/essential-elements-as-biomarkers-of-acute-kidney-injury-and-spontaneous-reversion
#18
Regiane Marinho da Silva, Gui Mi Ko, Rinaldo Florêncio Silva, Ludmila Cabreira Vieira, Rafael Vicente de Paula, Júlio Takehiro Marumo, Amanda Ikegami, Maria Helena Bellini
Acute kidney injury (AKI) is an important health problem and can be caused by number of factors. The use of aminoglycosides, such as gentamicin, is one of these factors. Recently, an effort has been made to find biomarkers to guide treatment protocols. Inductively coupled plasma optical emission spectroscopy (ICP-OES) was used to estimate the contents of Ca, Cu, Fe, K, Mg, Mn, Na, P, and Zn in serum and urine of the healthy, AKI, and spontaneous recovery (SR) groups of animals. The animal model of AKI and SR was validated by measuring serum and urinary urea and creatinine...
August 2, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28704336/plasmatic-villin-1-is-a-novel-in-vivo-marker-of-proximal-tubular-cell-injury-during-renal-ischemia-reperfusion
#19
Jean-Paul Decuypere, Laurens J Ceulemans, Tine Wylin, Wim Martinet, Diethard Monbaliu, Jacques Pirenne, Ina Jochmans
BACKGROUND: Early detection of acute kidney injury (AKI), a common condition with a high mortality risk, can be facilitated by specific and reliable biomarkers. Villin 1, a protein typically found in the brush borders of proximal tubular cells, has been detected in urine of patients with AKI, but its possible release in plasma remains unexplored. METHODS: We measured the presence of villin 1 by immunohistochemistry on kidney sections and by Western blotting in plasma samples from rats subjected to renal ischemia-reperfusion injury, pigs subjected to renal transplantation and liver transplantation patients that developed AKI...
November 2017: Transplantation
https://www.readbyqxmd.com/read/28698269/urinary-matrix-metalloproteinase-7-predicts-severe-aki-and-poor-outcomes-after-cardiac-surgery
#20
MULTICENTER STUDY
Xiaobing Yang, Chunbo Chen, Siyuan Teng, Xiaorui Fu, Yan Zha, Huafeng Liu, Li Wang, Jianwei Tian, Xiangyan Zhang, Youhua Liu, Jing Nie, Fan Fan Hou
Urinary matrix metalloproteinase-7 (uMMP-7) levels consistently reflect the activity of intrarenal Wnt/β-catenin, which is activated in AKI models. To test the hypothesis that uMMP-7 is a predictor for severe AKI in patients after cardiac surgery, we performed a prospective, multicenter, two-stage cohort study in 721 patients undergoing cardiac surgery. In stage 1, we enrolled 323 children from three academic medical centers. In stage 2, we enrolled 398 adults at six centers. We analyzed levels of uMMP-7 and other injury biomarkers during the perioperative period...
November 2017: Journal of the American Society of Nephrology: JASN
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