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renal failure prevention

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https://www.readbyqxmd.com/read/28644734/high-throughput-phenotypic-screening-of-kinase-inhibitors-to-identify-drug-targets-for-polycystic-kidney-disease
#1
Tijmen H Booij, Hester Bange, Wouter N Leonhard, Kuan Yan, Michiel Fokkelman, Steven J Kunnen, Johannes G Dauwerse, Yu Qin, Bob van de Water, Gerard J P van Westen, Dorien J M Peters, Leo S Price
Polycystic kidney disease (PKD) is a prevalent disorder characterized by renal cysts that lead to kidney failure. Various signaling pathways have been targeted to stop disease progression, but most interventions still focus on alleviating PKD-associated symptoms. The mechanistic complexity of the disease, as well as the lack of functional in vitro assays for compound testing, has made drug discovery for PKD challenging. To identify modulators of PKD, Pkd1(-/-) kidney tubule epithelial cells were applied to a scalable and automated 3D cyst culture model for compound screening, followed by phenotypic profiling to determine compound efficacy...
June 1, 2017: SLAS Discovery
https://www.readbyqxmd.com/read/28642116/contrast-induced-nephropathy-basic-concepts-pathophysiological-implications-and-prevention-strategies
#2
REVIEW
Charalampos Mamoulakis, Konstantinos Tsarouhas, Irini Fragkiadoulaki, Ioannis Heretis, Martin F Wilks, Demetrios A Spandidos, Christina Tsitsimpikou, Aristides Tsatsakis
Contrast-induced nephropathy (CIN) is reversible acute renal failure observed following administration of iodinated contrast media (CM) during angiographic or other medical procedures such as urography. There are various mechanisms through which CM develop their nephrotoxic effects, including oxidative stress and apoptosis. CIN is a real-life, albeit not very rare, entity. Exact pathophysiology remains obscure and no standard diagnostic criteria apply. The Acute Kidney Injury Network criteria was recently employed but its incidence/clinical significance warrants further clarification based on recent methodological advancements, because most published studies to date were contaminated by bias...
June 19, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28641152/urea-induced-ros-accelerate-senescence-in-endothelial-progenitor-cells
#3
Maria D'Apolito, Anna Laura Colia, Maria Lasalvia, Vito Capozzi, Maria Pia Falcone, Massimo Pettoello-Mantovani, Michael Brownlee, Angela Bruna Maffione, Ida Giardino
BACKGROUND AND AIMS: The pathogenic events responsible for the reduction of endothelial progenitor cell (EPC) number and function seen in patients with chronic renal failure (CRF) are poorly understood. Here we investigate the hypothesis that increased concentrations of urea associated with CRF increase ROS production directly in EPCs, causing abnormalities associated with coronary artery disease risk. METHODS: Human EPCs were isolated from peripheral blood mononuclear cells of healthy donors and cultured in the presence or absence of 20 mmol/L urea...
June 15, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28630844/multifocal-septic-arthritis-secondary-to-infective-endocarditis-a-rare-case-report
#4
Pavandeep Soor, Nikhil Sharma, Chandra Rao
INTRODUCTION: Infective endocarditis (IE) is a rare cause of septic arthritis. We report a patient who presented with multifocal septic arthritis as a result of IE, which is an extremely rare condition. CASE REPORT: This 69-year-old gentleman presented to the emergency department (ED) with a 3-day history of acute right knee pain. Initial investigations demonstrated chondrocalcinosis on knee radiographs, acute renal failure with rhabdomyolysis and a CRP of 520. After treatment with intravenous fluid rehydration and analgesia, the knee aspiration grew a Group B Streptococcus, and the patient underwent arthroscopic washout...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28630772/severe-rhabdomyolysis-due-to-presumed-drug-interactions-between-atorvastatin-with-amlodipine-and-ticagrelor
#5
Iouri Banakh, Kavi Haji, Ross Kung, Sachin Gupta, Ravindranath Tiruvoipati
Atorvastatin and ticagrelor combination is a widely accepted therapy for secondary prevention of ischaemic heart disease. However, rhabdomyolysis is a well-known rare side effect of statins which should be considered when treatments are combined with cytochrome P450 3A4 enzyme inhibitors. We report a case of atorvastatin and ticagrelor associated severe rhabdomyolysis that progressed to multiorgan failure requiring renal replacement therapy, inotropes, intubation, and mechanical ventilation. Despite withdrawal of the precipitating cause and the supportive measures including renal replacement therapy, creatinine kinase increased due to ongoing rhabdomyolysis rapidly progressing to upper and lower limbs weakness...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28625380/factors-associated-with-non-vitamin-k-antagonist-oral-anticoagulants-for-stroke-prevention-in-patients-with-new-onset-atrial-fibrillation-results-from-the-outcomes-registry-for-better-informed-treatment-of-atrial-fibrillation-ii-orbit-af-ii
#6
Benjamin A Steinberg, Peter Shrader, Laine Thomas, Jack Ansell, Gregg C Fonarow, Bernard J Gersh, Elaine Hylek, Peter R Kowey, Kenneth W Mahaffey, Emily C O'Brien, Daniel E Singer, Eric D Peterson, Jonathan P Piccini
BACKGROUND: Several non-vitamin K antagonist oral anticoagulant (NOAC) alternatives to warfarin are available for stroke prevention in atrial fibrillation (AF). We aimed to describe the factors associated with selection of NOACs versus warfarin in patients with new onset AF. METHODS: The ORBIT-AF II study is a national, US, prospective, observational, cohort study of anticoagulation treatment in patients with AF receiving NOACs or warfarin in the United States from 2013 to 2016...
July 2017: American Heart Journal
https://www.readbyqxmd.com/read/28625316/mesenchymal-stem-cell-based-therapy-as-a-new-horizon-for-kidney-injuries
#7
REVIEW
Amaneh Mohammadi Roushandeh, Marzie Bahadori, Mehryar Habibi Roudkenar
Today, the prevalence of kidney diseases is increasing around the world, but there has still been no effective medical treatment. The therapeutic choices are confined to supportive cares and preventive strategies. Currently, mesenchymal stem cells (MSCs)-based cell therapy was proposed for the treatment of kidney injuries. However, after the transplantation of MSCs, they are exposed to masses of cytotoxic factors involving an inflammatory cytokine storm, a nutritionally-poor hypoxic environment and oxidative stresses that finally lead to minimize the efficacy of MSCs based cell therapy...
February 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28621634/the-utility-of-screening-colonoscopy-during-kidney-transplant-evaluation
#8
Yu Zheng, Kevin V Chaung, Paul J Park, Joshua J Augustine, Nagaraju Sarabu, James A Schulak, Edmund Q Sanchez, Vanessa R Humphreville, John B Ammori, Kenneth J Woodside
OBJECTIVES: Transplant centers often recommend, but not necessarily require, screening colonoscopies for people over 50 years of age in accordance with the US Preventative Services Task Force guidelines for the general population. We sought to identify risk factors affecting colonoscopy results in renal failure patients undergoing kidney transplant evaluation. MATERIALS AND METHODS: We retrospectively examined patients undergoing kidney transplant evaluation from 2009 to 2012 (n = 469 patients)...
June 16, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28620463/recent-advances-in-the-management-of-wilms-tumor
#9
REVIEW
Roberto I Lopes, Armando Lorenzo
The objective of this article is to present an overview of recent trends in the management of Wilms' tumor. With improved survival rates in the past few decades, critical long-term adverse therapy effects (such as renal insufficiency, secondary malignancies, and heart failure) and prevention measures (i.e. nephron-sparing surgery and minimizing the use of radiotherapy) have gained worldwide attention. Specific disease biomarkers that could help stratify high-risk from low-risk patients, and therefore fine-tune management, are in great demand...
2017: F1000Research
https://www.readbyqxmd.com/read/28614117/role-of-amp-activated-protein-kinase-in-kidney-tubular-transport-metabolism-and-disease
#10
Roshan Rajani, Nuria M Pastor-Soler, Kenneth R Hallows
PURPOSE OF REVIEW: AMP-activated protein kinase (AMPK) is a metabolic sensor that regulates cellular energy balance, transport, growth, inflammation, and survival functions. This review explores recent work in defining the effects of AMPK on various renal tubular epithelial ion transport proteins as well as its role in kidney injury and repair in normal and disease states. RECENT FINDINGS: Recently, several groups have uncovered additional functions of AMPK in the regulation of kidney and transport proteins...
June 12, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28603685/epidemiology-of-leptospirosis-in-costa-rica-2011-2015
#11
REVIEW
Marcelo Pérez Carvajal, Kaila A Fagerstrom
PURPOSE OF REVIEW: Leptospirosis is a global spirochete causing chronic renal disease that is increasing in Costa Rica. This paper identifies the prevalence and risk factors of leptospirosis in Costa Rica between the years of 2011-2015. RECENT FINDINGS: Clinical cases of leptospirosis in Costa Rica demonstrated various symptoms: from asymptomatic diseases to severe cases of kidney and liver failure. A variety of diagnostic methods with varying specificities and sensitivities were employed...
2017: Current Tropical Medicine Reports
https://www.readbyqxmd.com/read/28600797/the-novel-nitric-oxide-donor-pdno-attenuates-ovine-ischemia-reperfusion-induced-renal-failure
#12
Kristofer F Nilsson, John Sandin, Lars E Gustafsson, Robert Frithiof
BACKGROUND: Renal ischemia-reperfusion injury is a common cause of acute kidney injury in intensive care and surgery. Recently, novel organic mononitrites of 1,2-propanediol (PDNO) were synthesized and shown to rapidly and controllably deploy nitric oxide in the circulation when administered intravenously. We hypothesized that intravenous infusion of PDNO during renal ischemia reperfusion would improve post-ischemic renal function and microcirculation. METHODS: Sixteen sheep were anesthetized, mechanically ventilated, and surgically instrumented...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28595692/non-vitamin-k-antagonist-oral-anticoagulant-dosing-in-patients-with-atrial-fibrillation-and-renal-dysfunction
#13
Xiaoxi Yao, Nilay D Shah, Lindsey R Sangaralingham, Bernard J Gersh, Peter A Noseworthy
BACKGROUND: Dose reduction of non-vitamin K antagonist oral anticoagulants (NOACs) is indicated in patients with atrial fibrillation (AF) with renal impairment. Failure to reduce the dose in patients with severe kidney disease may increase bleeding risk, whereas dose reductions without a firm indication may decrease the effectiveness of stroke prevention. OBJECTIVES: The goal of this study was to investigate NOAC dosing patterns and associated outcomes, i.e., stroke (ischemic stroke and systemic embolism) and major bleeding in patients treated in routine clinical practice...
June 13, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28593492/classical-determinants-of-coronary-artery-disease-as-predictors-of-complexity-of-coronary-lesions-assessed-with-the-syntax-score
#14
J M Montero-Cabezas, I Karalis, R Wolterbeek, A O Kraaijeveld, I E Hoefer, G Pasterkamp, N H Pijls, P A Doevendans, J Walterberger, J Kuiper, A J van Zonneveld, J W Jukema
BACKGROUND: We need new biomarkers that can predict cardiovascular disease to improve both diagnosis and therapeutic strategies. The CIRCULATING CELLS study was designed to study the role of several cellular mediators of atherosclerosis as biomarkers of coronary artery disease (CAD). An objective and reproducible method for the quantification of CAD extension is required to establish relationships with these potential biomarkers. We sought to analyse the correlation of the SYNTAX score with known CAD risk factors to test it as a valid marker of CAD extension...
June 7, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28583731/risk-factors-for-postoperative-delirium-in-patients-undergoing-vascular-surgery
#15
REVIEW
George C Galyfos, Georgios E Geropapas, Argiri Sianou, Fragiska Sigala, Konstantinos Filis
OBJECTIVE: Postoperative delirium (PODE) remains a common complication after vascular surgery procedures although the exact pathogenesis remains unclear, mainly because of its multifactorial character. The aim of this systematic review was to evaluate pooled data on potential risk factors for PODE in patients undergoing vascular surgery procedures. METHODS: A systematic literature review was conducted conforming to established criteria to identify eligible articles published from 1990 to 2016...
June 2, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28581677/interplay-of-volume-blood-pressure-organ-ischemia-residual-renal-function-and-diet-certainties-and-uncertainties-with-dialytic-management
#16
REVIEW
Ercan Ok, Nathan W Levin, Gulay Asci, Charles Chazot, Huseyin Toz, Mehmet Ozkahya
Extracellular fluid volume overload and its inevitable consequence, hypertension, increases cardiovascular mortality in the long term by leading to left ventricular hypertrophy, heart failure, and ischemic heart disease in dialysis patients. Unlike antihypertensive medications, a strict volume control strategy provides optimal blood pressure control without need for antihypertensive drugs. However, utilization of this strategy has remained limited because of several factors, including the absence of a gold standard method to assess volume status, difficulties in reducing extracellular fluid volume, and safety concerns associated with reduction of extracellular volume...
June 5, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28580076/postoperative-acute-kidney-injury
#17
REVIEW
Jung Tak Park
Acute kidney injury (AKI) after cardiac surgery is a common and serious complication. Several definitions of AKI have been proposed recently, and include both increases in serum creatinine levels and decreases in urine output as diagnostic criteria. The pathophysiology of postoperative AKI is complex and involves both ischemic injury and systemic inflammation. Identifying risk factors, such as old age, underlying diabetes, heart failure, and obesity, may aid in the application of preventative methods for postoperative AKI...
June 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/28579199/comorbid-conditions-in-canadians-hospitalized-because-of-diabetes
#18
REVIEW
Andreas Wielgosz, Sulan Dai, Peter Walsh, Jennifer McCrea-Logie, Ece Celebican
OBJECTIVES: The number of hospital discharges involving type 1 or type 2 diabetes as the first-listed diagnosis has increased over the past few decades. Such cases are commonly associated with various comorbidities. We analyzed data collected from hospital separations in Canada to determine the number and proportion of comorbid conditions in Canadians hospitalized because of diabetes. METHODS: The most responsible diagnosis (MRDx) of diabetes (ICD-10-CA: E10 [type 1 diabetes] or E11 [type 2 diabetes]) was identified from acute care hospital separations (Discharge Abstract Database) from 2013 to 2014 in all Canadian jurisdictions except Quebec...
May 31, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28577746/-non-dialytic-treatment-of-acute-kidney-injury
#19
Julien Demiselle, Nicolas Lerolle
Acute kidney injury is frequently encountered in patients in intensive care units and is associated with higher risk of mortality and chronic renal failure. Even small increases in serum creatinine are associated with adverse outcomes. Many interventions have been proposed to prevent or treat acute kidney injury in patients in intensive care units. However, no intervention has proved its efficacy in large randomized control trials. This review presents the various attempts aiming at acute kidney injury improvement in patients in intensive care units published over the recent years: hemodynamic interventions, "usual" drugs used in intensive care units, modulation of inflammation and hemostasis, remote ischemic conditioning, drugs specifically dedicated for acute kidney injury, and stimulation of renal recovery...
April 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28577729/-acute-obstructive-nephropathy-a-pathophysiological-view
#20
Jean-Philippe Haymann, Christophe Vinsonneau, Alexis Girshovich, Michel Daudon
Obstructive acute renal failure is a heterogeneous entity as the pathophysiology of intratubular obstruction is quite different from upper tract obstruction. In the former case, tubules are dilated due to a high hydrostatic pressure whereas pressures are normal in urinary upper tract. In the latter case, a high pressure above the ureteral obstacle is responsible for dilated renal cavities leading to extrinsic compression with no or only few dilated tubules though high hydrostatic pressure are recorded within tubules...
April 2017: Néphrologie & Thérapeutique
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