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American Journal of Nephrology

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https://www.readbyqxmd.com/read/28192777/renal-function-and-scaled-troponin-in-patients-presenting-to-the-emergency-department-with-symptoms-of-myocardial-infarction
#1
Anupama Vasudevan, Adam J Singer, Christopher DeFilippi, Gary Headden, Jeffrey M Schussler, Lori B Daniels, Michael Reed, Martin P Than, Robert Birkhahn, Stephen W Smith, Tyler W Barrett, William Arnold, W Frank Peacock, Peter A McCullough
BACKGROUND: Cardiac troponins are often found to be elevated in patients with renal dysfunction, even in the absence of acute myocardial injury. The objective of this report was to characterize the scaled troponin values and proportion of adjudicated acute myocardial infarction (AMI) among patients with and without renal dysfunction. METHODS: The data was from a multicenter prospective study including patients presenting to the emergency department with symptoms of AMI...
February 14, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28178697/obesity-and-kidney-disease-hidden-consequences-of-the-epidemic
#2
Csaba P Kovesdy, Susan L Furth, Carmine Zoccali
Obesity has become a worldwide epidemic, and its prevalence has been projected to grow by 40% in the next decade. This increasing prevalence has implications for the risk of diabetes, cardiovascular disease, and also for chronic kidney disease. A high body mass index is one of the strongest risk factors for new-onset chronic kidney disease. In individuals affected by obesity, a compensatory hyperfiltration occurs to meet the heightened metabolic demands of the increased body weight. The increase in intraglomerular pressure can damage the kidneys and raise the risk of developing chronic kidney disease in the long-term...
February 8, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28171855/prognostic-value-of-the-delivery-dialysis-dose-on-twice-weekly-hemodialysis-patients
#3
Qichen Fan, Yucheng Yan, Leyi Gu, Liqun He, Nan Chen, Gengru Jiang, Li Yuan, Jun Xue, Yun Zhang, Jun Ma, Huimin Jin, Weijie Yuan, Zhiyong Guo, Lili Guo, Niansong Wang, Wei Zhang, Zhibin Ye, Peiju Mao, Xiaoling Pi, Renhua Lu, Mingli Zhu, Weiming Zhang, Zhaohui Ni, Jiaqi Qian, Huihua Pang
BACKGROUND: Few studies have evaluated the prognostic value of dialysis dose in twice-weekly hemodialysis (HD). A single-pool Kt/V (spKt/V) over 1.70 may benefit patients receiving twice-weekly maintenance HD. METHODS: This is a multicenter randomized controlled trial performed on 163 patients from 17 dialysis centers in Shanghai who were allocated to high- (n = 98) and standard-dose groups (n = 65) and followed through 96 weeks of study period. Therapeutic approaches were given to increase spKt/V to over 1...
February 8, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28166521/rationale-and-design-of-a-clinical-trial-investigating-tolvaptan-safety-and-efficacy-in-autosomal-dominant-polycystic-kidney-disease
#4
Vicente E Torres, Olivier Devuyst, Arlene B Chapman, Ron T Gansevoort, Ronald D Perrone, John Ouyang, Jaime D Blais, Frank S Czerwiec, Olga Sergeyeva
BACKGROUND: In TEMPO 3:4, the vasopressin V2-receptor antagonist tolvaptan slowed kidney growth and function decline in autosomal dominant polycystic kidney disease (ADPKD) patients with relatively preserved kidney function. METHODS: Prospective, phase 3b, multi-center, randomized-withdrawal, placebo-controlled, double-blind trial of tolvaptan in ADPKD patients with late stage 2 to early stage 4 chronic kidney disease (CKD). The primary endpoint was estimated glomerular filtration rate (eGFR) change from pre-treatment baseline to post-treatment follow-up...
February 7, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28161700/clinical-features-and-outcomes-of-a-racially-diverse-population-with-fibrillary-glomerulonephritis
#5
Fernanda Payan Schober, Meghan A Jobson, Caroline J Poulton, Harsharan K Singh, Volker Nickeleit, Ronald J Falk, J Charles Jennette, Patrick H Nachman, William F Pendergraft Iii
BACKGROUND: Fibrillary glomerulonephritis is characterized by randomly arranged fibrils, approximately 20 nm in diameter by electron microscopy. Patients present with proteinuria, hematuria and kidney insufficiency, and about half of the reported patients progress to end-stage kidney disease within 4 years. The dependence of patient characteristics and outcomes on race has not been explored. In this study, we describe a cohort of patients with fibrillary glomerulonephritis and compare their clinical characteristics and outcomes with those of patients previously described...
February 4, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28147348/the-association-between-biomarker-profiles-etiology-of-chronic-kidney-disease-and-mortality
#6
David Langsford, Mila Tang, Hicham I Cheikh Hassan, Ognjenka Djurdjev, Manish M Sood, Adeera Levin
BACKGROUND: Prognosis in chronic kidney disease (CKD) for adverse outcomes differs substantially based on the etiology of CKD. We examined whether the biomarker profile differed based on CKD etiology and whether they were associated with mortality. METHODS: Prospective observational study of 1,157 patients, 663 with diabetic kidney disease (DKD), 273 with glomerulonephritis (GN), and 221 with cystic/interstitial disease (polycystic kidney disease, pyelonephritis or chronic tubulointerstitial nephritis [PCK/TIN]) were identified in the Canadian Study of Prediction of Dialysis, Death and Interim Cardiovascular events over Time cohort...
February 2, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28142147/history-of-erythropoiesis-stimulating-agents-the-development-of-biosimilars-and-the-future-of-anemia-treatment-in-nephrology
#7
Kamyar Kalantar-Zadeh
BACKGROUND: Exogenous replacement of erythropoietin (EPO) by recombinant human EPO has been considered a standard of care for the treatment of anemia in patients with chronic kidney disease for more than 20 years. Genetically engineered biologic proteins derived from human, animal, or microorganism sources are a major area of growth in modern medical care, accounting for one-third of new drug approvals in the past decade. Despite benefit to patients, the use of biologics comes at a significant cost, representing one of the fastest growing segments of strained healthcare budgets around the world...
February 1, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28135709/acute-kidney-injury-and-in-hospital-mortality-after-coronary-artery-bypass-graft-versus-percutaneous-coronary-intervention-a-nationwide-study
#8
Wen Shen, Rodrigo Aguilar, Alex R Montero, Stephen J Fernandez, Allen J Taylor, Christopher S Wilcox, Michael S Lipkowitz, Jason G Umans
BACKGROUND: Post-procedural acute kidney injury (AKI) is associated with significantly increased short- and long-term mortalities, and renal loss. Few studies have compared the incidence of post-procedural AKI and in-hospital mortality between 2 major modalities of revascularization - coronary artery bypass grafting (CABG) and percutaneous coronary intervention (PCI) - and results have been inconsistent. METHODS: We generated a propensity score-matched cohort that includes a total of 286,670 hospitalizations with multi-vessel coronary disease undergoing CABG or PCI (2004-2012) from the National Inpatient Sample database...
January 31, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28132051/anca-associated-vasculitis-secondary-to-levamisole-adultered-cocaine-with-associated-membranous-nephropathy-a-case-series
#9
David Collister, Christie Sathianathan, Krista Ryz, Martin Karpinski, Keevin Bernstein, Ian W Gibson
BACKGROUND: Cocaine is a risk factor for acute kidney injury and chronic kidney disease with progression to end-stage renal disease. Levamisole is an adulterant that is added to cocaine to enhance its euphoric effects. Levamisole-adulterated cocaine (LAC) is associated with the distinct clinical syndromes of agranulocytosis, leukocytoclastic vasculitis, cocaine-induced midline destructive lesions (CIMDL), and ANCA-associated vasculitis (AAV) with pauci-immune necrotizing glomerulonephritis...
January 28, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28125810/insights-from-screening-a-racially-and-ethnically-diverse-population-for-chronic-kidney-disease
#10
Linda L Wong, Kamyar Kalantar-Zadeh, Victoria Page, Glen Hayashida, Amy S You, Connie M Rhee
BACKGROUND: The value of chronic kidney disease (CKD) screening in the general population remains unclear but may be beneficial in populations with high disease prevalence. We examined risk factors for albuminuria among participants in a state-wide CKD screening program in Hawaii. METHODS: The National Kidney Foundation of Hawaii Kidney Early Detection Screening (NKFH-KEDS) program held 19 CKD screening events from 2006 to 2012. Participants rotated through 5 stations during which sociodemographic, blood glucose, urine albumin-to-creatinine ratio (ACR), and spot urine albumin data were collected...
January 27, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28118622/targeting-hypoxia-inducible-factors-for-the-treatment-of-anemia-in-chronic-kidney-disease-patients
#11
Francesco Locatelli, Steven Fishbane, Geoffrey A Block, Iain C Macdougall
BACKGROUND: Anemia, a common complication of chronic kidney disease (CKD), has previously been attributed primarily to decreased production of erythropoietin. More recently, it has become apparent that the etiology of anemia involves several other factors, most notably dysfunctional iron metabolism, mediated via increased hepcidin activity and reduced clearance. Current management of anemia in patients with advanced CKD is based on erythropoiesis-stimulating agents and iron supplementation, along with red blood cell transfusions when necessary; however, safety considerations associated with these therapies highlight the need to pursue alternative treatment options targeting other mechanisms such as hypoxia-inducible factors (HIFs) that act as central regulators of erythropoiesis by coordinating a series of graded hypoxic responses...
January 25, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28166520/universal-sustained-viral-response-to-the-combination-of-ombitasvir-paritaprevir-ritonavir-and-dasabuvir-with-without-ribavirin-in-patients-on-hemodialysis-infected-with-hepatitis-c-virus-genotypes-1-and-4
#12
Soraya Abad, Almudena Vega, Eduardo Hernández, Evangelina Mérida, Patricia de Sequera, Marta Albalate, Nicolás Macías, Monica Milla, Juan M López-Gómez
BACKGROUND: Hepatitis C virus (HCV) infection is highly prevalent among patients on hemodialysis (HD) and is associated with poor prognosis. Treatment with interferon and ribavirin is poorly tolerated, and few data are available on the impact of new direct-acting antivirals (DAAs). This study was intended to analyze the efficacy and safety of treatment with a combination of ombitasvir/paritaprevir/ritonavir and dasabuvir with/without ribavirin in HCV-infected patients on HD from 3 hospitals...
January 7, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28118620/association-of-albuminuria-and-estimated-glomerular-filtration-rate-with-functional-performance-measures-in-older-adults-with-chronic-kidney-disease
#13
Dawn F Wolfgram, Katelyn Garcia, Greg Evans, Sara Zamanian, Rocky Tang, Thomas Wiegmann, Rajeev Sharma, Ruth Campbell, Jeff Whittle
BACKGROUND: Chronic kidney disease (CKD) is increasingly common and disproportionately affects older adults. The contribution of kidney disease to the functional impairment noted in the elderly CKD population is unclear. METHODS: This is a cross-sectional analysis of a hypertensive cohort of people aged ≥75 years from the Systolic Blood Pressure Intervention Trial. We evaluated estimated glomerular filtration rate (eGFR) and urine albumin-to-creatinine ratio (UACR) as predictors of 3 measures of functional status: EuroQol-5 Dimensional (EQ-5D) score, Falls Efficacy Scale (FES) score, and gait speed...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28110340/albuminuria-a-novel-marker-for-functional-impairment-in-older-adults
#14
Michael Heung
No abstract text is available yet for this article.
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28110327/mortality-after-renal-allograft-failure-and-return-to-dialysis
#15
Amarpali Brar, Mariana Markell, Dimitre G Stefanov, Edem Timpo, Rahul M Jindal, Robert Nee, Nabil Sumrani, Devon John, Fasika Tedla, Moro O Salifu
INTRODUCTION: The outcomes of patients who fail their kidney transplant and return to dialysis (RTD) has not been investigated in a nationally representative sample. We hypothesized that variations in management of transplant chronic kidney disease stage 5 leading to kidney allograft failure (KAF) and RTD, such as access, nutrition, timing of dialysis, and anemia management predict long-term survival. METHODS: We used an incident cohort of patients from the United States Renal Data System who initiated hemodialysis between January 1, 2003 and December 31, 2008, after KAF...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28076863/adverse-renal-effects-of-immune-checkpoint-inhibitors-a-narrative-review
#16
Rimda Wanchoo, Sabine Karam, Nupur N Uppal, Valerie S Barta, Gilbert Deray, Craig Devoe, Vincent Launay-Vacher, Kenar D Jhaveri
BACKGROUND: Cancer immunotherapy, such as anti-cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and anti-programmed death 1 (PD-1), has revolutionized the treatment of malignancies by engaging the patient's own immune system against the tumor rather than targeting the cancer directly. These therapies have demonstrated a significant benefit in the treatment of melanomas and other cancers. SUMMARY: In order to provide an extensive overview of the renal toxicities induced by these agents, a Medline search was conducted of published literature related to ipilimumab-, pembrolizumab-, and nivolumab-induced kidney toxicity...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28056461/predicting-post-transplant-recurrence-of-iga-nephropathy-the-importance-of-crescents
#17
Rupali S Avasare, Paul E Rosenstiel, Ziad S Zaky, Demetra S Tsapepas, Gerald B Appel, Glen S Markowitz, Andrew S Bomback, Pietro A Canetta
BACKGROUND: Most studies that have assessed the predictors of recurrent IgA nephropathy (IgAN) in the renal allograft have focused on post-transplant features. Identifying high-risk pre-transplant features of IgAN is useful for counseling patients and may help in tailoring post-transplant immunosuppression. METHODS: We investigated the pre-transplant clinical and biopsy features of 62 patients with IgAN who received transplants at Columbia University Medical Center from 2001 to 2012 and compared the characteristics and outcomes of patients with IgAN recurrence to those without recurrence...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28006765/fibroblast-growth-factor-23-predicts-all-cause-mortality-in-a-dose-response-fashion-in-pre-dialysis-patients-with-chronic-kidney-disease
#18
Cheng Xue, Bo Yang, Chenchen Zhou, Bing Dai, Yawei Liu, Zhiguo Mao, Shengqiang Yu, Changlin Mei
BACKGROUND: Quantitative dose-response associations between fibroblast growth factor 23 (FGF23) and risks of mortality, cardiovascular disease (CVD), and renal events in chronic kidney disease (CKD) are not known. This study aimed to summarize and quantify the predictive effects of FGF23 among the pre-dialysis CKD stages 1-5 population. METHODS: Data sources included PubMed, EMBASE, and Web of Science. Prospective cohort studies assessing the associations between FGF23 and all-cause mortality, CVD, and renal events in CKD patients were selected...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28006763/is-fibroblast-growth-factor-23-the-new-biomarker-for-cardiovascular-mortality-in-chronic-kidney-disease-patients
#19
Guido Filler, Christopher McIntyre
No abstract text is available yet for this article.
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/27992863/effects-of-high-density-lipoprotein-raising-therapies-on-cardiovascular-outcomes-in-patients-with-type-2-diabetes-mellitus-with-or-without-renal-impairment-the-action-to-control-cardiovascular-risk-in-diabetes-study
#20
Vasilios Papademetriou, Laura Lovato, Costas Tsioufis, William Cushman, William B Applegate, Amy Mottle, Zubin Punthakee, Eric Nylen, Michael Doumas
BACKGROUND: The role of high density lipoprotein-raising interventions in addition to statin therapy in patients with diabetes remains controversial. Chronic kidney disease (CKD) is a strong modifier of cardiovascular (CV) outcomes. We therefore investigated the impact of CKD status at baseline on outcomes in patients with diabetes randomized to standard statin or statin plus fenofibrate treatment in the Action to Control Cardiovascular Risk in Diabetes (ACCORD) lipid trial. METHODS: Among 5,464 participants in the ACCORD lipid trial, 3,554 (65%) were free of CKD at baseline, while 1,910 (35%) had mild to moderate CKD...
2017: American Journal of Nephrology
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