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Contrast induced AKI

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https://www.readbyqxmd.com/read/28166726/endothelial-colony-forming-cells-ecfcs-in-murine-aki-implications-for-future-cell-based-therapies
#1
D Patschan, K Schwarze, B Tampe, M Zeisberg, S Patschan, G A Müller
BACKGROUND: In recent years, early Endothelial Progenitor Cells (eEPCs) have been proven as effective tool in murine ischemic AKI and in diabetic nephropathy. The mechanisms of eEPC-mediated vasoprotection have been elucidated in detail. Besides producing a diverse range of humoral factors, the cells also act by secreting vasomodulatory microvesicles. Only few data in contrast have been published about the role of so-called Endothelial Colony Forming Cells (ECFCs - late EPCs) in ischemic AKI...
February 6, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28151503/-contrast-induced-acute-kidney-injury-in-cardiology
#2
Eugenio Genovesi, Mattia Romanello, Raffaele De Caterina
The intravascular administration of contrast media is an important tool in cardiovascular imaging, especially in percutaneous coronary interventions (PCI). Owing to the widespread use of these procedures, contrast-induced acute kidney injury (CI-AKI) has become one of the most common types of acute renal failures. CI-AKI is mainly mediated by mechanisms of oxidative damage, and its onset is associated with prolonged hospitalization and significant morbidity and mortality. Preexisting chronic kidney disease, diabetes, age, heart failure, and characteristics related to the procedure (primary or elective PCI, type and amount of contrast medium) are the most important risk factors for the development of post-PCI CI-AKI...
December 2016: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28138128/understanding-and-preventing-contrast-induced-acute-kidney-injury
#3
REVIEW
Michael Fähling, Erdmann Seeliger, Andreas Patzak, Pontus B Persson
Contrast-induced acute kidney injury (CIAKI) occurs in up to 30% of patients who receive iodinated contrast media and is generally considered to be the third most common cause of hospital-acquired AKI. Accurate assessment of the incidence of CIAKI is obscured, however, by the use of various definitions for diagnosis, the different populations studied and the prophylactic measures put in place. A deeper understanding of the mechanisms that underlie CIAKI is required to enable reliable risk assessment for individual patients, as their medical histories will determine the specific pathways by which contrast media administration might lead to kidney damage...
March 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28128223/neutrophil-gelatinase-associated-lipocalin-ngal-fails-as-an-early-predictor-of-contrast-induced-nephropathy-in-chronic-kidney-disease-anti-ci-aki-study
#4
Werner Ribitsch, Gernot Schilcher, Franz Quehenberger, Stefan Pilz, Rupert H Portugaller, Martini Truschnig-Wilders, Robert Zweiker, Marianne Brodmann, Philipp Stiegler, Alexander R Rosenkranz, John W Pickering, Joerg H Horina
: The aim of the study was to evaluate the diagnostic accuracy of urinary neutrophil gelatinase- associated lipocalin (uNGAL) in patients with chronic kidney disease (CKD) as an early biomarker for contrast induced acute kidney injury (CI-AKI) and to investigate whether patients with an uNGAL increase might benefit from an additional intravenous volume expansion with regard to CI-AKI-incidence. We performed a prospective randomized controlled trial in 617 CKD-patients undergoing intra-arterial angiography...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28112470/risk-of-contrast-induced-acute-kidney-injury-in-st-elevation-myocardial-infarction-patients-undergoing-multi-vessel-intervention-meta-analysis-of-randomized-trials-and-risk-prediction-modeling-study-using-observational-data
#5
Saurav Chatterjee, Amartya Kundu, Debabrata Mukherjee, Partha Sardar, Roxana Mehran, Riyaz Bashir, Jay Giri, Jinnette D Abbott
OBJECTIVES: Ascertaining risk of contrast induced acute kidney injury (CI-AKI) in ST-segment elevation myocardial infarction (STEMI) patients undergoing multi-vessel percutaneous coronary intervention (MV-PCI). BACKGROUND: Complete revascularization may improve outcomes in STEMI patients with multi-vessel disease. However, a practice of MV-PCI may be associated with a higher risk of CI-AKI. We aimed to evaluate the risk of CI-AKI in patients with STEMI and MV-PCI and examine the accuracy of a validated risk score...
January 23, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28087509/use-of-both-serum-cystatin-c-and-creatinine-as-diagnostic-criteria-for-contrast-induced-acute-kidney-injury-and-its-clinical-implications
#6
Wei-Feng Zhang, Tuo Zhang, Ding Ding, Shi-Qun Sun, Xiao-Lei Wang, Shi-Chun Chu, Ling-Hong Shen, Ben He
BACKGROUND: Contrast-induced acute kidney injury (CI-AKI) was traditionally defined as an increase in serum creatinine (sCr) after contrast media exposure. Recently, serum cystatin C (sCyC) has been proposed as an alternative to detect acute changes in renal function. The clinical implications of combining sCyC and sCr to diagnose CI-AKI remain unknown. METHODS AND RESULTS: One thousand seventy-one consecutive patients undergoing coronary angiography/intervention were prospectively enrolled...
January 13, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28051022/risk-factors-of-contrast-induced-acute-kidney-injury-in-patients-undergoing-emergency-percutaneous-coronary-intervention
#7
Ying Yuan, Hong Qiu, Xiao-Ying Hu, Tong Luo, Xiao-Jin Gao, Xue-Yan Zhao, Jun Zhang, Yuan Wu, Hong-Bing Yan, Shu-Bin Qiao, Yue-Jin Yang, Run-Lin Gao
BACKGROUND: Previous studies of contrast-induced acute kidney injury (CI-AKI) were mostly based on selective percutaneous coronary intervention (PCI) cases, and risk factors of CI-AKI after emergency PCI are unclear. The aim of this study was to explore the risk factors of CI-AKI in a Chinese population undergoing emergency PCI. METHODS: A total of 1061 consecutive patients undergoing emergency PCI during January 2013 and June 2015 were enrolled and divided into CI-AKI and non-CI-AKI group...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28032431/degree-of-dyspnoea-in-patients-with-non-st-elevation-acute-coronary-syndrome-a-report-from-japanese-multicenter-registry
#8
Yasuyuki Shiraishi, Shun Kohsaka, Ikuko Ueda, Taku Inohara, Mitsuaki Sawano, Yohei Numasawa, Kentaro Hayashida, Yuichiro Maekawa, Yukihiko Momiyama, Keiichi Fukuda
BACKGROUND: Degree of dyspnoea is almost universally evaluated in the patients presenting with acute coronary syndrome (ACS), but its clinical implications has not been thoroughly investigated. We aimed to describe the relationship between the severity of dyspnoea and in-hospital outcomes in patients with non-ST elevation ACS (NSTE-ACS) complicated with acute heart failure (AHF). METHODS: Between 2009 and 2014, 3287 consecutive patients with NSTE-ACS were enrolled in the Japanese prospective multicenter PCI registry...
December 2016: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28017896/augmented-o-glcnac-signaling-via-glucosamine-attenuates-oxidative-stress-and-apoptosis-following-contrast-induced-acute-kidney-injury-in-rats
#9
Jiachang Hu, Rongyi Chen, Ping Jia, Yi Fang, Tongqiang Liu, Nana Song, Xialian Xu, Jun Ji, Xiaoqiang Ding
Contrast-induced acute kidney injury (CI-AKI) is an iatrogenic renal injury and associated with substantial morbidity and mortality in susceptible individuals. Despite extensive study of a variety of agents for renal protection, limited strategies have been shown to be effective in the reduction of CI-AKI. O-linked β-N-acetylglucosamine (O-GlcNAc) is a post-translational regulatory modification of intracellular proteins and governs the function of numerous proteins, both cytosolic and nuclear. Increasing evidence suggests that O-GlcNAc levels are increased in response to stress and that acute augmentation of this reaction is cytoprotective...
December 23, 2016: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/27995343/pre-procedural-renal-resistive-index-accurately-predicts-contrast-induced-acute-kidney-injury-in-patients-with-preserved-renal-function-submitted-to-coronary-angiography
#10
Maciej T Wybraniec, Maria Bożentowicz-Wikarek, Jerzy Chudek, Katarzyna Mizia-Stec
The study aimed to evaluate the clinical utility of ultrasonographic intra-renal blood flow parameters, together with the wide range of different risk factors, for the prediction of contrast-induced acute kidney injury (CI-AKI) in patients with preserved renal function, referred for coronary angiography or percutaneous coronary interventions (CA/PCI). This prospective study covered 95 consecutive patients (69.5% men; median age 65 years) subject to elective or urgent CA/PCI. Data regarding 128 peri-procedural variables were collected...
December 19, 2016: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/27994597/aging-male-spontaneously-hypertensive-rat-as-an-animal-model-for-the-evaluation-of-the-interplay-between-contrast-induced-acute-kidney-injury-and-cardiorenal-syndrome-in-humans
#11
REVIEW
Jun Zhang, Mohammad Kazem Fallahzadeh, Peter A McCullough
BACKGROUND: Although there are some animal models for biomarkers of contrast-induced acute kidney injury (CI-AKI), for cardiorenal syndrome (CRS) and for acute renal failure, the interplay between CI-AKI and CRS has yet to be evaluated. Insight into the pathogenesis of CRS is urgently needed from animal models in order to foster the discovery and implementation of novel biomarkers for this disease. Specially designed animal models for type 1 and 3 CRS, particularly CI-AKI, have not yet emerged...
November 2016: Cardiorenal Medicine
https://www.readbyqxmd.com/read/27975052/histopathological-evaluation-of-contrast-induced-acute-kidney-injury-rodent-models
#12
REVIEW
Norbert Kiss, Péter Hamar
Contrast-induced acute kidney injury (CI-AKI) can occur in 3-25% of patients receiving radiocontrast material (RCM) despite appropriate preventive measures. Often patients with an atherosclerotic vasculature have to receive large doses of RCM. Thus, animal studies to uncover the exact pathomechanism of CI-AKI are needed. Sensitive and specific histologic end-points are lacking; thus in the present review we summarize the histologic appearance of different rodent models of CI-AKI. Single injection of RCM causes overt renal damage only in rabbits...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27889773/evaluation-of-kim-1-and-ngal-as-early-indicators-for-assessment-of-gentamycin-induced-nephrotoxicity-in-vivo-and-in-vitro
#13
Qi-Hui Luo, Meng-Lu Chen, Zheng-Li Chen, Chao Huang, An-Chun Cheng, Jing Fang, Li Tang, Yi Geng
BACKGROUND/AIMS: The aminolycoside Gentamicin is a widely used antibiotic, applied in equine medicine. Despite its clinical use, concerns remain regarding the potential toxic side-effects, such as nephrotoxicity. Early detection of renal damage is critical in preclinical drug development. This study was aimed to determine whether kidney injury molecule-1 (KIM-1) and neutrophil gelatinase-associated lipocalin (NGAL) may be early indicators in the assessment of Gentamycin-induced nephrotoxicity...
2016: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/27831955/ce-preventing-contrast-induced-acute-kidney-injury
#14
Yvonne Gallegos, Asma Ali Taha, Dana N Rutledge
: Diagnostic radiographic imaging scans using intravascular iodinated contrast media can lead to various complications. The most salient of these is contrast-induced acute kidney injury (CI-AKI) or contrast-induced nephropathy, a potentially costly and serious patient safety concern. Prevention strategies are the cornerstone of evidence-based clinical management for patients receiving contrast agents. These include preprocedure screening, stratification of patients based on risk factors, and protective interventions, the most important of which is hydration both before and after the radiographic imaging scan...
December 2016: American Journal of Nursing
https://www.readbyqxmd.com/read/27821094/outcomes-risk-factors-and-health-burden-of-contrast-induced-acute-kidney-injury-an-observational-study-of-one-million-hospitalizations-with-image-guided-cardiovascular-procedures
#15
Pierre Aubry, Georges Brillet, Laura Catella, Aurélie Schmidt, Stève Bénard
BACKGROUND: Despite the use of low-osmolar contrast media that have significantly reduced the occurrence of severe adverse reactions, contrast-induced (CI) acute kidney injury (AKI) remains the third cause of AKI in hospitals. We sought to estimate the frequency of CI-AKI among hospitalized patients undergoing image-guided cardiovascular procedures, to quantify the effect of risk factors on the development of this complication and to assess relative organizational and economic burden in healthcare...
November 8, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27820741/does-fluid-management-affect-the-occurrence-of-acute-kidney-injury
#16
Johan Mårtensson, Rinaldo Bellomo
PURPOSE OF REVIEW: To describe the potential impact of different fluid management strategies on renal outcomes in critically ill and postoperative patients. RECENT FINDINGS: Uncritical fluid administration may induce renal compartment syndrome and renal venous congestion, which contribute to kidney dysfunction. In more than 5000 randomized surgical or septic patients, goal-directed therapy did not reduce fluid accumulation, acute kidney injury (AKI) development or need for renal replacement therapy...
February 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/27800691/xuezhikang-ameliorates-contrast-media-induced-nephropathy-in-rats-via-suppression-of-oxidative-stress-inflammatory-responses-and-apoptosis
#17
Shichun Chu, Liuhua Hu, Xiaolei Wang, Shiqun Sun, Tuo Zhang, Zhe Sun, Linghong Shen, Shuxuan Jin, Ben He
BACKGROUND: The aim of this study was to assess the preventive effect of xuezhikang (XZK) to replace atorvastatin on the contrast media-induced acute kidney injury (CI-AKI). METHODS: The male Sprague-Dawley rats were divided into five groups: group 1 (sham), injected with normal saline; group 2 (XZK), treated with XZK; group 3 contrast media (CM), injected with CM; group 4 (CM + ATO), injected with CM + pretreatment with atorvastatin; group 5 (CM + XZK), injected with CM + pretreatment with XZK...
November 2016: Renal Failure
https://www.readbyqxmd.com/read/27799486/sphingosine-kinase-2-deficiency-attenuates-kidney-fibrosis-via-ifn-%C3%AE
#18
Amandeep Bajwa, Liping Huang, Elvira Kurmaeva, Hong Ye, Krishna R Dondeti, Piotr Chroscicki, Leah S Foley, Z Ayoade Balogun, Kyle J Alexander, Hojung Park, Kevin R Lynch, Diane L Rosin, Mark D Okusa
Maladaptive repair after AKI may lead to progressive fibrosis and decline in kidney function. Sphingosine 1-phosphate has an important role in kidney injury and pleiotropic effects in fibrosis. We investigated the involvement of sphingosine kinase 1 and 2 (SphK1 and SphK2), which phosphorylate sphingosine to produce sphingosine 1-phosphate, in kidney fibrosis induced by folic acid (FA) or unilateral ischemia-reperfusion injury. Analysis of Masson trichrome staining and fibrotic marker protein and mRNA expression 14 days after AKI revealed that wild-type (WT) and Sphk1(-/-) mice exhibited more kidney fibrosis than Sphk2(-/-) mice...
October 31, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27783968/prevention-of-post-procedural-acute-kidney-injury-in-the-catheterization-laboratory-in-a-real-world-population
#19
Ehud Chorin, Eyal Ben-Assa, Maayan Konigstein, May-Tal Rofe, Aviram Hochstadt, Naama Galli, Michael Schnapper, Yaron Arbel, Ilan Rabey, Jeremy Ben Shoshan, Amir Halkin, Itzhak Herz, Ariel Finkelstein, Samuel Bazan, Gad Keren, Shmuel Banai
BACKGROUND: Radiologists and cardiologists have a remarkably different approach to the clinical importance and to the need for prophylactic treatment of contrast-induced acute kidney injury (CI-AKI). OBJECTIVES: To evaluate the efficacy of forced diuresis with matched controlled hydration (FMH) in a real-world, high risk population. METHODS: This is an investigator-driven, single-center, retrospective analysis of prospectively collected data...
January 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27781957/valsartan-protects-against-contrast-induced-acute-kidney-injury-in-rats-by-inhibiting-endoplasmic-reticulum-stress-induced-apoptosis
#20
Yan Sun, Ping-An Peng, Yue Ma, Xiaoli Liu, Yi Yu, Shuo Jia, Xiaohan Xu, Sijing Wu, Yujie Zhou
Contrast-induced acute kidney injury (CI-AKI) is a serious complication of the administration of iodinated contrast media (CM) for diagnostic and interventional cardiovascular procedures and is associated with substantial morbidity and mortality. While the preventative measures can mitigate the risk of CI-AKI, there remains a need for novel and effective therapeutic approaches. The pathogenesis of CI-AKI is complex and not completely understood. CM-induced renal tubular cell apoptosis caused by the activation of endoplasmic reticulum (ER) stress is involved in CI-AKI...
October 25, 2016: Current Vascular Pharmacology
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