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Contrast induced acute kidney injury

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https://www.readbyqxmd.com/read/29230844/cyclophilin-d-promotes-tubular-cell-damage-and-the-development-of-interstitial-fibrosis-in-the-obstructed-kidney
#1
Weiping Hou, Khai G Leong, Elyce Ozols, Greg H Tesch, David J Nikolic-Paterson, Frank Y Ma
Cyclophilin D (CypD) is an important component in mitochondrial-dependent tubular cell death in acute kidney injury. However, it is not known whether CypD contributes to tubular cell damage in chronic interstitial fibrosis. We investigated this question in the unilateral ureter obstruction (UUO) model of renal interstitial fibrosis. Groups of CypD-/- and wild type (WT) mice were killed 7 or 12 days after UUO surgery. The significant tubular cell apoptosis seen in WT UUO was significantly reduced in CypD-/- UUO based on TUNEL and cleaved caspase 3 staining...
December 12, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29214784/contrast-induced-acute-kidney-injury-after-coil-embolization-for-aneurysmal-subarachnoid-hemorrhage
#2
Hyun Goo Lee, Won Ki Kim, Je Young Yeon, Jong Soo Kim, Keon Ha Kim, Pyoung Jeon, Seung Chyul Hong
PURPOSE: Contrast-induced acute kidney injury (CI-AKI) is associated with poor outcomes after percutaneous coronary intervention. However, CI-AKI has rarely been evaluated within the neurovascular field. The aim of this study was to investigate the incidence and clinical implication of CI-AKI after coil embolization in patients with an aneurysmal subarachnoid hemorrhage (aSAH). MATERIALS AND METHODS: Between January 2005 and March 2016, 192 patients who underwent coil embolization were enrolled in this study...
January 2018: Yonsei Medical Journal
https://www.readbyqxmd.com/read/29207099/n-acetylcysteine-ameliorates-contrast%C3%A2-induced-kidney-injury-in-rats-with-unilateral-hydronephrosis
#3
Qiang Xia, Chunxiao Liu, Xia Zheng
The aim of the present study was to investigate the protective effects of N‑acetylcysteine (NAC) on contrast‑induced acute kidney injury in rats with unilateral hyronephrosis. Eighty‑two male Sprague Dawley rats were randomized to undergo sham operation (n=14) or unilateral ureteral obstruction (UUO) (n=68). After 3 weeks, the UUO animals were randomized to three groups: NAC gastric perfusion, UUO+iohexol+NAC (n=24); normal saline perfusion, UUO+iohexol (n=24); and controls, UUO (n=20). After 3 days, UUO+iohexol+NAC and UUO+iohexol rats were injected with iohexol...
November 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29188454/a-narrative-review-of-the-impact-of-interventions-in-acute-kidney-injury
#4
REVIEW
Lynne Sykes, Rob Nipah, Philip Kalra, Darren Green
Acute kidney injury (AKI) is independently associated with significant morbidity and mortality, and is thus an important challenge facing physicians in modern healthcare. This narrative review assesses the impact of strategies employed to tackle AKI following the 2009 NCEPOD report on acute kidney injury (Sterwart et al. Acute kidney injury: adding insult to injury, pp 1-22, 2009). There is scarce and heterogeneous research into hard end points such as mortality and AKI progression for AKI interventions. This review found that e-alerts have varying effects on mortality and AKI progression, but decrease the incidence of contrast-induced AKI...
November 29, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/29187371/effects-of-erythropoietin-receptor-activity-on-angiogenesis-tubular-injury-and-fibrosis-in-acute-kidney-injury-a-u-shaped-relationship
#5
Mingjun Shi, Brianna Flores, Peng Li, Nancy Gillings, Kathryn L McMillan, Jianfeng Ye, Lily June-Shen Huang, Sachdev S Sidhu, Yong-Ping Zhong, Maria T Grompe, Philip R Streeter, Orson W Moe, Ming Chang Hu
Erythropoietin receptor (EpoR) is widely expressed but its renoprotective action is unexplored. To examine the role of EpoR in vivo in the kidney, we induced acute kidney injury (AKI) by ischemia-reperfusion in mice with different EpoR bioactivities in the kidney. EpoR bioactivity was reduced by knock-in of wild type human EpoR, which is hypo-functional relative to murine EpoR, and a renal tubule-specific EpoR knockout. These mice had lower EPO/EpoR activity and lower autophagy flux in renal tubules. Upon AKI induction, they exhibited worse renal function and structural damage, and more apoptosis at the acute stage (< 7 days), and slower recovery with more tubulointerstitial fibrosis at the subacute stage (14 days)...
November 29, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29181161/effects-of-hydration-combined-with-shenfu-injection-on-contrast-induced-acute-kidney-injury-in-acute-coronary-syndrome-patients-undergoing-percutaneous-coronary-intervention
#6
Zhen Guo, Dandan Niu, Yaren Yu, Di Zhen, Wenhua Li
The aim of the present study was to evaluate the efficacy and safety of the Shenfu injection (SFI) in the prevention of contrast-induced acute kidney injury (CI-AKI) in acute coronary syndrome (ACS) patients undergoing percutaneous coronary intervention (PCI). A single-center prospective and randomized controlled trial was performed and 148 ACS patients undergoing PCI were divided randomly into control (n=74; receiving only 0.9% sodium chloride solution for routine hydration) and intervention (n=74; based upon routine hydration and receiving SFI) groups...
November 2017: Biomedical Reports
https://www.readbyqxmd.com/read/29165956/prophylactic-management-of-contrast-induced-acute-kidney-injury-in-high-risk-patients
#7
Diya Nahar
Contrast-induced acute kidney injury (CI-AKI) has been linked to morbidity and mortality, especially in high-risk patients whose kidney function is compromised. Recently, many studies have been conducted to search for more novel, preventative methods of decreasing CI-AKI. Through a detailed analysis of recent studies, this article discusses recommendations for hydration, N-acetylcysteine, and statin therapy in relation to the prophylactic management of CI-AKI in high-risk patients.
May 2017: Nephrology Nursing Journal: Journal of the American Nephrology Nurses' Association
https://www.readbyqxmd.com/read/29117994/role-of-adenosine-1a-receptor-signaling-on-gfr-early-after-the-induction-of-sepsis
#8
Jonathan M Street, Erik H Koritzinsky, Tiffany R Bellomo, Xuzhen Hu, Peter S T Yuen, Robert A Star
Sepsis and acute kidney injury (AKI) synergistically increase morbidity and mortality in the ICU. How sepsis reduces GFR and causes AKI is poorly understood; one proposed mechanism includes tubuloglomerular feedback (TGF). When sodium reabsorption by the proximal tubules is reduced in normal animals, the macula densa senses increased luminal sodium chloride, then adenosine 1a receptor (A1aR) signaling triggers tubuloglomerular feedback, reducing GFR through afferent arteriole vasoconstriction. We measured GFR and systemic hemodynamics early during cecal ligation and puncture-induced sepsis in wild-type and A1aR knockout mice...
November 8, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29112105/secretome-conveys-the-protective-effects-of-ascs-therapeutic-potential-following-hemorrhagic-shock
#9
Mostafa Ashmwe, Carina Penzenstadler, Arian Bahrami, Anton Klotz, Mohammad Jafarmadar, Asmita Banerjee, Susanne Wolbank, Heinz Redl, Soheyl Bahrami
OBJECTIVES: We tested whether resuscitation supplemented with a) rat adipose-derived stem cells (ASCs) or b) secretome (conditioned media) of ASCs can ameliorate inflammation, cell/organ injury, and/or improve outcome after Hemorrhagic traumatic shock (HTS). INTERVENTIONS: Rats were subjected to HTS and a resuscitation protocol that mimics pre-hospital restrictive reperfusion followed by an adequate reperfusion phase. 20 minutes into the restrictive reperfusion, animals received an intravenous bolus of 2x10 cells (ASC group) or the secretome produced by 2x10 ASCs/24 h (ASC-Secretome group)...
November 3, 2017: Shock
https://www.readbyqxmd.com/read/29108311/remote-ischemic-conditioning-for-the-prevention-of-contrast-induced-acute-kidney-injury-in-patients-undergoing-intravascular-contrast-administration-a-meta-analysis-and-trial-sequential-analysis-of-16-randomized-controlled-trials
#10
Chang-Cheng Zhou, Wen-Tao Yao, Yu-Zheng Ge, Lu-Wei Xu, Ran Wu, Xiao-Fei Gao, Kai-Wei Song, Xiao-Min Jiang, Min Wang, Wen-Juan Huang, Yun-Peng Zhu, Liang-Peng Li, Liu-Hua Zhou, Zhong-Le Xu, Sheng-Li Zhang, Jia-Geng Zhu, Wen-Cheng Li, Rui-Peng Jia
Objective: We conducted this meta-analysis to examine the effect of remote ischemic conditioning (RIC) on contrast-induced acute kidney injury (CI-AKI) in patients undergoing intravascular contrast administrationon. Methods: Pubmed, Embase, and Cochrane Library were comprehensively searched to identify all eligible studies by 15th March, 2017. Risk ratio (RR) and weighted mean difference with the corresponding 95% confidence intervals (CI) were used to examine the treatment effect...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29092921/contrast-induced-acute-kidney-injury-and-mortality-in-st-elevation-myocardial-infarction-treated-with-primary-percutaneous-coronary-intervention
#11
Johanne Silvain, Lee S Nguyen, Vincent Spagnoli, Mathieu Kerneis, Paul Guedeney, Nicolas Vignolles, Kristel Cosker, Olivier Barthelemy, Claude Le Feuvre, Gérard Helft, Jean-Philippe Collet, Gilles Montalescot
OBJECTIVES: Contrast-induced acute kidney injury (CI-AKI) is a common and potentially severe complication in patients with ST elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (pPCI). There is no consensus on the best definition of CI-AKI to identify patients at risk of haemodialysis or death. The objective of this study was to assess the association of CI-AKI, using four definitions, on inhospital mortality, mortality or haemodialysis requirement over 1-year follow-up, in patients with STEMI treated with pPCI...
November 1, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29089041/the-increasing-rates-of-acute-interstitial-nephritis-in-australia-a-single-centre-case-series
#12
Gregory J Wilson, Adrian L Kark, Leo P Francis, Wendy Hoy, Helen G Healy, Andrew J Mallett
BACKGROUND: The Australian Institute of Health and Welfare's first report into acute kidney injury demonstrated a significant increase in the incidence of acute-tubulo interstitial nephritis, the ICD-10 code representing both acute interstitial nephritis and pyelonephritis, in women aged less than 55 years. In contrast, recent case series have reported rising rates of drug induced acute interstitial nephritis predominantly among elderly patients. Due to several limitations with the Australian Institute of Health and Welfare report, this new trend requires further investigation to determine if rates of acute interstitial nephritis are truly increasing among younger Australian women...
October 31, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29082747/a-new-risk-factor-profile-for-contrast-induced-acute-kidney-injury-in-patients-who-underwent-an-emergency-percutaneous-coronary-intervention
#13
Ying Yuan, Hong Qiu, Lei Song, Xiaoying Hu, Tong Luo, Xueyan Zhao, Jun Zhang, Yuan Wu, Shubin Qiao, Yuejin Yang, Runlin Gao
We developed a new risk factor profile for contrast-induced acute kidney injury (CI-AKI) under a new definition in patients who underwent an emergency percutaneous coronary intervention (PCI). Consecutive patients (n = 1061) who underwent an emergency PCI were divided into a derivation group (n = 761) and a validation group (n = 300). The rates of CI-AKI were 23.5% (definition 1: serum creatinine [SCr] increase ≥25% in 72 hours), 4.3% (definition 2: SCr increase ≥44.2 μmol/L in 72 hours), and 7.0% (definition 3: SCr increase ≥44...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/29069419/prediction-of-contrast-induced-acute-kidney-injury-using-novel-biomarkers-following-contrast-coronary-angiography
#14
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/29065978/controversies-in-clinical-nephrology-contrast-induced-acute-kidney-injury-transforming-nihilism-into-effective-policy-in-contrast-induced-acute-kidney-injury
#15
https://www.readbyqxmd.com/read/29065977/controversies-in-clinical-nephrology-contrast-induced-acute-kidney-injury-nephrology-perspective
#16
Lenar Yessayan, Michael Heung
No abstract text is available yet for this article.
October 25, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/29065976/controversies-in-clinical-nephrology-contrast-induced-acute-kidney-injury-radiology-perspective
#17
Halemane Ganesh, Flavius D Raslau, Adrian Dawkins, Rashmi T Nair
No abstract text is available yet for this article.
October 25, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/29064276/predictors-of-acute-kidney-injury-in-patients-admitted-with-st-elevation-myocardial-infarction-results-from-the-bremen-stemi-registry
#18
Johannes Schmucker, Andreas Fach, Matthias Becker, Susanne Seide, Stefanie Bünger, Robert Zabrocki, Eduard Fiehn, Bettina Würmann-Busch, Hermann Pohlabeln, Kathrin Günther, Wolfgang Ahrens, Rainer Hambrecht, Harm Wienbergen
BACKGROUND: Deterioration of renal function after exposition to contrast media is a common problem in patients with myocardial infarction undergoing percutaneous coronary interventions. The aim of the present study was to assess the incidence of acute kidney injury in patients admitted with ST-elevation-myocardial infarction (STEMI) and its association with infarction severity, comorbidities and treatment modalities, including amount of contrast media applied. METHODS: All patients with STEMI from the metropolitan area of Bremen, Germany are treated at the Bremen Heart Centre and since 2006 documented in the Bremen STEMI-Registry...
June 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/29063424/assessing-renal-changes-after-remote-ischemic-preconditioning-ripc-of-the-upper-extremity-using-bold-imaging-at-3t
#19
Florian Siedek, Thorsten Persigehl, Roman-Ulrich Mueller, Volker Burst, Thomas Benzing, David Maintz, Stefan Haneder
OBJECTIVE: Acute kidney injury (AKI) is an important risk factor for a number of adverse outcomes including end-stage renal disease and cardiovascular morbidity and mortality. Whilst many clinical situations that can induce AKI are known-e.g. drug toxicity, contrast agent exposure or ischemia during surgery-targeted preventive or therapeutic measures are still lacking. As to renoprotective strategies, remote ischemic preconditioning (RIPC) is one of the most promising novel approaches and has been examined by a number of clinical trials...
October 23, 2017: Magma
https://www.readbyqxmd.com/read/29061334/neutrophil-peptidyl-arginine-deiminase-4-has-a-pivotal-role-in-ischemia-reperfusion-induced-acute%C3%A2-kidney-injury
#20
Wesley M Raup-Konsavage, Yanming Wang, Wei Wei Wang, Denis Feliers, Hong Ruan, W Brian Reeves
Ischemia/reperfusion is a common cause of acute kidney injury (AKI). However, mechanisms underlying the sudden loss in kidney function and tissue injury remain to be fully elucidated. Here, we investigated the role of peptidyl arginine deiminase-4 (PAD4), which converts arginine to citrulline and plays a role in epigenetic regulation and inflammation, in renal ischemia/reperfusion injury. PAD4 expression was highly induced in infiltrating leukocytes 24 hours following renal ischemia and reperfusion. This induction was accompanied by citrullination of histone H3 and formation of neutrophil extracellular traps in kidneys of wild-type mice...
October 20, 2017: Kidney International
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