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AKI Treatment

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69 papers 25 to 100 followers
By Isabel Acosta-Ochoa Nephrology senior staff. Valladolid. Spain
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/28139396/heme-oxygenase-1-as-a-therapeutic-target-in-acute-kidney-injury
#2
Subhashini Bolisetty, Abolfazl Zarjou, Anupam Agarwal
A common clinical condition, acute kidney injury (AKI) significantly influences morbidity and mortality, particularly in critically ill patients. The pathophysiology of AKI is complex and involves multiple pathways, including inflammation, autophagy, cell-cycle progression, and oxidative stress. Recent evidence suggests that a single insult to the kidney significantly enhances the propensity to develop chronic kidney disease. Therefore, the generation of effective therapies against AKI is timely. In this context, the cytoprotective effects of heme oxygenase 1 (HO-1) in animal models of AKI are well documented...
January 27, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28137829/inhibition-of-reticulon-1a-mediated-endoplasmic-reticulum-stress-in-early-aki-attenuates-renal-fibrosis-development
#3
Ying Fan, Wenzhen Xiao, Kyung Lee, Fadi Salem, Jiejun Wen, Li He, Jing Zhang, Yang Fei, Dongsheng Cheng, Hongda Bao, Yumei Liu, Fujun Lin, Gengru Jiang, Zhiyong Guo, Niansong Wang, John Cijiang He
Several animal studies have shown an important role for endoplasmic reticulum (ER) stress in AKI, whereas human studies are lacking. We recently reported that Reticulon-1A (RTN1A) is a key mediator of ER stress and kidney cell injury. Here, we investigated whether modulation of RTN1A expression during AKI contributes to the progression to CKD. In a retrospective study of 51 patients with AKI, increased expression of RTN1A and other ER stress markers were associated with the severity of kidney injury and with progression to CKD...
January 30, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28129785/human-umbilical-cord-derived-mesenchymal-stromal-cells-protect-against-premature-renal-senescence-resulting-from-oxidative-stress-in-rats-with-acute-kidney-injury
#4
Camila Eleuterio Rodrigues, José Manuel Condor Capcha, Ana Carolina de Bragança, Talita Rojas Sanches, Priscila Queiroz Gouveia, Patrícia Aparecida Ferreira de Oliveira, Denise Maria Avancini Costa Malheiros, Rildo Aparecido Volpini, Mirela Aparecida Rodrigues Santinho, Bárbara Amélia Aparecida Santana, Rodrigo do Tocantins Calado, Irene de Lourdes Noronha, Lúcia Andrade
BACKGROUND: Mesenchymal stromal cells (MSCs) represent an option for the treatment of acute kidney injury (AKI). It is known that young stem cells are better than are aged stem cells at reducing the incidence of the senescent phenotype in the kidneys. The objective of this study was to determine whether AKI leads to premature, stress-induced senescence, as well as whether human umbilical cord-derived MSCs (huMSCs) can prevent ischaemia/reperfusion injury (IRI)-induced renal senescence in rats...
January 28, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28128881/the-effect-of-sustained-low-efficient-dialysis-versus-continuous-renal-replacement-therapy-on-renal-recovery-after-acute-kidney-injury-in-the-intensive-care-unit-a-systematic-review-and-meta-analysis
#5
REVIEW
Bernadett Kovacs, Katrina J Sullivan, Swapnil Hiremath, Rakesh V Patel
Acute kidney injury (AKI) is a significant contributing factor to the morbidity and mortality of critically ill adults, yet there remains controversy on the optimal renal replacement therapy mode for these patients. The aim of our systematic review was to determine the effect of sustained low-efficiency dialysis or continuous renal replacement therapy on patient outcomes in critically ill patients with AKI. A systematic search of Medline, Embase, CINAHL, and the Cochrane Library was conducted in February 2015...
January 27, 2017: Nephrology
https://www.readbyqxmd.com/read/28119408/a-decision-making-algorithm-for-initiation-and-discontinuation-of-rrt-in-severe-aki
#6
Mallika L Mendu, George R Ciociolo, Sarah R McLaughlin, Dionne A Graham, Roya Ghazinouri, Siddharth Parmar, Alissa Grossier, Rebecca Rosen, Karl R Laskowski, Leonardo V Riella, Emily S Robinson, David M Charytan, Joseph V Bonventre, Jeffrey O Greenberg, Sushrut S Waikar
BACKGROUND AND OBJECTIVES: AKI is an increasingly common and devastating complication in hospitalized patients. Severe AKI requiring RRT is associated with in-hospital mortality rates exceeding 40%. Clinical decision making related to RRT initiation for patients with AKI in the medical intensive care unit is not standardized. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a 13-month (November of 2013 to December of 2014) prospective cohort study in an academic medical intensive care unit involving the implementation of an AKI Standardized Clinical Assessment and Management Plan, a decision-making algorithm to assist front-line clinicians caring for patients with AKI...
February 7, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28087726/benefit-of-mineralocorticoid-receptor-antagonism-in-aki-role-of-vascular-smooth-muscle-rac1
#7
Jonatan Barrera-Chimal, Gwennan André-Grégoire, Aurelie Nguyen Dinh Cat, Sebastian M Lechner, Jérôme Cau, Sonia Prince, Peter Kolkhof, Gervaise Loirand, Vincent Sauzeau, Thierry Hauet, Frédéric Jaisser
AKI is a frequent complication in hospitalized patients. Unfortunately, there is no effective pharmacologic approach for treating or preventing AKI. In rodents, mineralocorticoid receptor (MR) antagonism prevents AKI induced by ischemia-reperfusion (IR). We investigated the specific role of vascular MR in mediating AKI induced by IR. We also assessed the protective effect of MR antagonism in IR-induced AKI in the Large White pig, a model of human AKI. In mice, MR deficiency in smooth muscle cells (SMCs) protected against kidney IR injury...
January 13, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28114128/intravenous-fluids-and-acute-kidney-injury
#8
Xiaoqiang Ding, Zhen Cheng, Qi Qian
Over 50% of the human body is comprised of fluids that are distributed in defined compartments. Although compartmentalized, these fluids are dynamically connected. Fluids, electrolytes, and acid-base balance in each compartment are tightly regulated, mostly in an energy-dependent manner to achieve their designed functions. For over a century, our understanding of the microvascular fluid homeostasis has evolved from hypothesized Ernest Starling principle to evidence-based and the revised Starling principle, incorporating the functional endothelial surface layer...
January 24, 2017: Blood Purification
https://www.readbyqxmd.com/read/28028935/renoprotection-focus-on-trpv1-trpv4-trpc6-and-trpm2
#9
REVIEW
L Markó, M Mannaa, T N Haschler, S Krämer, M Gollasch
Members of the transient receptor potential (TRP) cation channel receptor family have unique sites of regulatory function in the kidney which enables them to promote regional vasodilatation and controlled Ca(2+) influx into podocytes and tubular cells. Activated TRP vanilloid 1 receptor channels (TRPV1) have been found to elicit renoprotection in rodent models of acute kidney injury following ischaemia/reperfusion. Transient receptor potential cation channel, subfamily C, member 6 (TRPC6) in podocytes is involved in chronic proteinuric kidney disease, particularly in focal segmental glomerulosclerosis (FSGS)...
March 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28003911/automated-fluid-management-for-treatment-of-rhabdomyolysis
#10
Christian M Beilstein, John R Prowle, Christopher J Kirwan
Purpose. Fluid therapy aimed at increasing urine output is a commonly employed strategy to prevent acute kidney injury (AKI) in critically ill patients with rhabdomyolysis. Automated fluid management has the potential to optimise urine output while avoiding fluid accumulation in rhabdomyolysis patients. Methods. In a single centre clinical service evaluation we compared a convenience sample of critically ill adults with rhabdomyolysis treated with automated fluid management using the RenalGuard® device to patients managed with manual fluid adjustment following our standard rhabdomyolysis protocol...
2016: International Journal of Nephrology
https://www.readbyqxmd.com/read/27997816/recent-early-clinical-drug-development-for-acute-kidney-injury
#11
Kevin M Gallagher, Stephen O'neill, Ewen M Harrison, James A Ross, Stephen J Wigmore, Jeremy Hughes
Despite significant need and historical trials, there are no effective drugs in use for the prevention or treatment of acute kidney injury (AKI). There are several promising agents in early clinical development for AKI and two trials have recently been terminated. There are also exciting new findings in pre-clinical AKI research. There is a need to take stock of current progress in the field to guide future drug development for AKI. Areas covered: The main clinical trial registries, PubMed and pharmaceutical company website searches were used to extract the most recent clinical trials for sterile, transplant and sepsis-associated AKI...
February 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/27853353/update-on-sepsis-associated-acute-kidney-injury-emerging-targeted-therapies
#12
REVIEW
James F Doyle, Lui G Forni
Sepsis-associated acute kidney injury (SA-AKI) is an independent predictor of increased mortality and morbidity. It is essential that further advances in the treatment of sepsis should prioritize targeted therapies in SA-AKI in order to improve these bleak outcomes. As yet, a unique therapy that effectively reduces the impact of acute kidney injury has not been demonstrated. However, the emergence of novel targeted therapies, perhaps in combination, has the possibility of significantly reducing the long-term sequelae of an episode of SA-AKI...
2016: Biologics: Targets & Therapy
https://www.readbyqxmd.com/read/27820741/does-fluid-management-affect-the-occurrence-of-acute-kidney-injury
#13
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/27769920/allopurinol-attenuates-rhabdomyolysis-associated-acute-kidney-injury-renal-and-muscular-protection
#14
Pedro H F Gois, Daniele Canale, Rildo A Volpini, Daniela Ferreira, Mariana M Veras, Vinicius Andrade-Oliveira, Niels O S Câmara, Maria H M Shimizu, Antonio C Seguro
BACKGROUND: Acute kidney injury (AKI) is the most severe complication of rhabdomyolysis. Allopurinol (Allo), a xanthine oxidase inhibitor, has been in the spotlight in the last decade due to new therapeutic applications related to its potent antioxidant effect. The aim of this study was to evaluate the efficacy of Allo in the prevention and treatment of rhabdomyolysis-associated AKI. METHODS: Male Wistar rats were divided into five groups: saline control group; prophylactic Allo (300mg/L of drinking water, 7 days); glycerol (50%, 5ml/kg, IM); prophylactic Allo + glycerol; and therapeutic Allo (50mg/Kg, IV, 30min after glycerol injection) + glycerol...
December 2016: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/27721835/mesenchymal-stem-cell-based-therapy-for-kidney-disease-a-review-of-clinical-evidence
#15
REVIEW
Anna Julie Peired, Alessandro Sisti, Paola Romagnani
Mesenchymal stem cells form a population of self-renewing, multipotent cells that can be isolated from several tissues. Multiple preclinical studies have demonstrated that the administration of exogenous MSC could prevent renal injury and could promote renal recovery through a series of complex mechanisms, in particular via immunomodulation of the immune system and release of paracrine factors and microvesicles. Due to their therapeutic potentials, MSC are being evaluated as a possible player in treatment of human kidney disease, and an increasing number of clinical trials to assess the safety, feasibility, and efficacy of MSC-based therapy in various kidney diseases have been proposed...
2016: Stem Cells International
https://www.readbyqxmd.com/read/27719676/nomenclature-for-renal-replacement-therapy-and-blood-purification-techniques-in-critically-ill-patients-practical-applications
#16
REVIEW
Gianluca Villa, Mauro Neri, Rinaldo Bellomo, Jorge Cerda, A Raffaele De Gaudio, Silvia De Rosa, Francesco Garzotto, Patrick M Honore, John Kellum, Anna Lorenzin, Didier Payen, Zaccaria Ricci, Sara Samoni, Jean-Louis Vincent, Julia Wendon, Marta Zaccaria, Claudio Ronco
This article reports the conclusions of the second part of a consensus expert conference on the nomenclature of renal replacement therapy (RRT) techniques currently utilized to manage acute kidney injury and other organ dysfunction syndromes in critically ill patients. A multidisciplinary approach was taken to achieve harmonization of definitions, components, techniques, and operations of the extracorporeal therapies. The article describes the RRT techniques in detail with the relevant technology, procedures, and phases of treatment and key aspects of volume management/fluid balance in critically ill patients...
October 10, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27719682/nomenclature-for-renal-replacement-therapy-in-acute-kidney-injury-basic-principles
#17
REVIEW
Mauro Neri, Gianluca Villa, Francesco Garzotto, Sean Bagshaw, Rinaldo Bellomo, Jorge Cerda, Fiorenza Ferrari, Silvia Guggia, Michael Joannidis, John Kellum, Jeong Chul Kim, Ravindra L Mehta, Zaccaria Ricci, Alberto Trevisani, Silvio Marafon, William R Clark, Jean-Louis Vincent, Claudio Ronco
This article reports the conclusions of a consensus expert conference on the basic principles and nomenclature of renal replacement therapy (RRT) currently utilized to manage acute kidney injury (AKI). This multidisciplinary consensus conference discusses common definitions, components, techniques, and operations of the machines and platforms used to deliver extracorporeal therapies, utilizing a "machine-centric" rather than a "patient-centric" approach. We provide a detailed description of the performance characteristics of membranes, filters, transmembrane transport of solutes and fluid, flows, and methods of measurement of delivered treatment, focusing on continuous renal replacement therapies (CRRT) which are utilized in the management of critically ill patients with AKI...
October 10, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27678541/study-protocol-for-a-multicentre-randomised-controlled-trial-safety-tolerability-efficacy-and-quality-of-life-of-a-human-recombinant-alkaline-phosphatase-in-patients-with-sepsis-associated-acute-kidney-injury-stop-aki
#18
Esther Peters, Ravindra L Mehta, Patrick T Murray, Jürgen Hummel, Michael Joannidis, John A Kellum, Jacques Arend, Peter Pickkers
INTRODUCTION: Acute kidney injury (AKI) occurs in 55-60% of critically ill patients, and sepsis is the most common underlying cause. No pharmacological treatment options are licensed to treat sepsis-associated AKI (SA-AKI); only supportive renal replacement therapy (RRT) is available. One of the limited number of candidate compounds in clinical development to treat SA-AKI is alkaline phosphatase (AP). The renal protective effect of purified bovine intestinal AP has been demonstrated in critically ill sepsis patients...
September 27, 2016: BMJ Open
https://www.readbyqxmd.com/read/27634440/cell-cycle-arrest-as-a-therapeutic-target-of-acute-kidney-injury
#19
Wei-Gang Wang, Wei-Xia Sun, Bao-Shan Gao, Xin Lian, Hong-Lan Zhou
The current lack of complete understanding of the pathogenesis of acute kidney injury (AKI) is a significant barrier to its early diagnosis and treatment. Cell cycle arrest plays an important role in the protection of renal tubular epithelial cells and maladaptive repair following AKI. G1 phase cell arrest serves as a protective mechanism following AKI, avoiding replication of damaged DNA. Insulin-like growth factor-binding protein 7 (IGFBP7) and tissue inhibitor of metalloproteinase-2 (TIMP-2) are closely associated with G1 cell cycle arrest during the very early phase of cellular damage and can serve as an ideal biomarker to predict AKI...
September 15, 2016: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/27603173/lipoic-acid-in-the-prevention-of-acute-kidney-injury
#20
Jun Zhang, Peter A McCullough
Hypoxia, reactive oxygen species (ROS) and oxidative stress contribute to contrast-induced acute kidney injury (CI-AKI) and ischemic reperfusion injury (IRI) in the kidney and heart. Imbalance between the increased formation of ROS by hypoxia in the cardiac and renal tissue and the low availability of endogenous antioxidants is a common cause of cellular and tissue damage. Therefore, a strategy to inhibit ROS generation or to scavenger free radicals becomes an important intervention to prevent CI-AKI and myocardial IRI...
2016: Nephron
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