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https://www.readbyqxmd.com/read/29148856/novel-applications-for-serum-procalcitonin-testing-in-clinical-practice
#1
Justin J Choi, Matthew W McCarthy
Procalcitonin has emerged as a reliable marker of acute bacterial infection in hospitalized patients and the assay has recently been incorporated into several clinical algorithms to reduce antimicrobial overuse, but its use in patients with end-organ dysfunction is controversial. Areas covered: In this review, the authors examine what is known about procalcitonin testing in patients with organ dysfunction, including those with end-stage renal disease, congestive heart failure, chronic obstructive pulmonary disease, and cirrhosis, and explore how the assay is now being used in the management of non-infectious diseases...
November 17, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/29142963/understanding-electronic-aki-alerts-characterization-by-definitional-rules
#2
Jennifer Holmes, Gethin Roberts, Soma Meran, John D Williams, Aled O Phillips
Introduction: Automated acute kidney injury (AKI) electronic alerts are based on comparing creatinine with historic results. Methods: We report the significance of AKI defined by 3 "rules" differing in the time period from which the baseline creatinine is obtained, and AKI with creatinine within the normal range. Results: A total of 47,090 incident episodes of AKI occurred between November 2013 and April 2016. Rule 1 (>26 μmol/l increase in creatinine within 48 hours) accounted for 9...
May 2017: KI Reports
https://www.readbyqxmd.com/read/29142955/improving-the-prediction-of-cardiac-surgery-associated-acute-kidney-injury
#3
Jordan Crosina, Jordyn Lerner, Julie Ho, Navdeep Tangri, Paul Komenda, Brett Hiebert, Nora Choi, Rakesh C Arora, Claudio Rigatto
Introduction: Acute kidney injury (AKI) is a potentially fatal complication of cardiac surgery. The inability to predict cardiac surgery-associated AKI is a major barrier to prevention and early treatment. Current clinical risk models for the prediction of cardiac surgery-associated AKI are insufficient, particularly in patients with preexisting kidney dysfunction. Methods: To identify intraoperative variables that might improve the performance of a validated clinical risk score (Cleveland Clinic Score, CCS) for the prediction of cardiac surgery-associated AKI, we conducted a prospective cohort study in 289 consecutive elective cardiac surgery patients at a tertiary care center...
March 2017: KI Reports
https://www.readbyqxmd.com/read/29141937/novel-differences-in-renal-gene-expression-in-a-diet-induced-obesity-model
#4
Victoria L Halperin Kuhns, Jennifer L Pluznick
Obesity is a significant risk factor for both chronic kidney disease and end stage renal disease. To better understand disease development, we sought to identify novel genes differentially expressed early in disease progression. We first confirmed that mice fed a high-fat (HF) diet exhibit early signs of renal injury including hyperfiltration. We then performed RNA Seq using renal cortex RNA from C57Bl/6 male mice fed either HF or control (Ctrl) diet. We identified 1134 genes differentially expressed in the cortex on HF versus Ctrl, of which 31 genes were selected for follow up analysis...
November 15, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29138395/myokine-mediated-muscle-kidney-crosstalk-suppresses-metabolic-reprogramming-and-fibrosis-in-damaged-kidneys
#5
Hui Peng, Qianqian Wang, Tanqi Lou, Jun Qin, Sungyun Jung, Vivekananda Shetty, Feng Li, Yanlin Wang, Xin-Hua Feng, William E Mitch, Brett H Graham, Zhaoyong Hu
Kidney injury initiates metabolic reprogramming in tubule cells that contributes to the development of chronic kidney disease (CKD). Exercise has been associated with beneficial effects in patients with CKD. Here we show that the induction of a myokine, irisin, improves kidney energy metabolism and prevents kidney damage. In response to kidney injury, mice with muscle-specific PGC-1α overexpression (mPGC-1α) exhibit reduced kidney damage and fibrosis. Metabolomics analysis reveals increased ATP production and improved energy metabolism in injured kidneys from mPGC-1α mice...
November 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/29136782/effect-of-human-umbilical-cord-blood-derived-mononuclear-cells-on-diabetic-nephropathy-in-rats
#6
Nahla E El-Ashmawy, Eman G Khedr, Hoda A El-Bahrawy, Shimaa A El-Berashy
Diabetic nephropathy (DN) is damage to the kidney which can lead to chronic renal failure, eventually requiring dialysis. Diabetes mellitus is the most common cause of adult kidney failure worldwide in the developed world. The current work was designed to elucidate the effect of mononuclear cells (MNCs) injection on reverse DN in rats exposed to streptozotocin (STZ) injection compared to metformin as a known hypoglycemic drug, 40 Male rats were divided equally into 4 groups; normal control group, diabetic control group, MNCs group were diabetic rats treated with MNCs (30×10(6) MNCs/rat once iv dose) in the tail vein of the rat, and metformin group were diabetic rats treated with metformin (100mg/kg orally daily dose) for four weeks...
November 8, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29136724/-expert-consensus-for-the-diagnosis-and-treatment-of-patients-with-renal-impairment-of-multiple-myeloma
#7
(no author information available yet)
Renal impairment (RI) is a common complication of multiple myeloma (MM), which is presented as chronic kidney disease (CKD) or acute kidney injury (AKI). The typical pathological feature is cast nephropathy. Presently international system staging (ISS) is used in evaluating MM. Although the classic Durie-Salmon staging system could be still used in clinical practice, it may miss out some patients with renal impairment. For evaluations of RI in MM patients with CKD, it's recommended to assess the estimated glomerular filtration rate (eGFR) by creatinine based formula CKD-epidemiology collaboration (EPI) or modification of diet in renal disease(MDRD) and to stage the renal injuries according to 2013 Kidney Disease Improving Global Outcomes (KDIGO) CKD guidelines...
November 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29136619/risk-factor-analysis-for-aki-including-laboratory-indicators-a-nationwide-multicenter-study-of-hospitalized-patients
#8
Sasa Nie, Zhe Feng, Li Tang, Xiaolong Wang, Yani He, Jingai Fang, Suhua Li, Yibin Yang, Huijuan Mao, Jundong Jiao, Wenhu Liu, Ning Cao, Wenge Wang, Jifeng Sun, Fengmin Shao, Wenge Li, Qiang He, Hongli Jiang, Hongli Lin, Ping Fu, Xinzhou Zhang, Yinghong Liu, Yonggui Wu, ChunSheng Xi, Meng Liang, Zhijie Qu, Jun Zhu, Guangli Wu, Yali Zheng, Yu Na, Ying Li, Wei Li, Guangyan Cai, Xiangmei Chen
BACKGROUND/AIMS: Risk factor studies for acute kidney injury (AKI) in China are lacking, especially those regarding non-traditional risk factors, such as laboratory indicators. METHODS: All adult patients admitted to 38 tertiary and 22 secondary hospitals in China in any one month between July and December 2014 were surveyed. AKI patients were screened according to the Kidney Disease: Improving Global Outcomes' definition of AKI. Logistic regression was used to analyze the risk factors for AKI, and Cox regression was used to analyze the risk of in-hospital mortality for AKI patients; additionally, a propensity score analysis was used to reconfirm the risk factors among laboratory indicators for mortality...
October 24, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29136443/derivation-and-external-validation-of-prediction-models-for-advanced-chronic-kidney-disease-following-acute-kidney-injury
#9
Matthew T James, Neesh Pannu, Brenda R Hemmelgarn, Peter C Austin, Zhi Tan, Eric McArthur, Braden J Manns, Marcello Tonelli, Ron Wald, Robert R Quinn, Pietro Ravani, Amit X Garg
Importance: Some patients will develop chronic kidney disease after a hospitalization with acute kidney injury; however, no risk-prediction tools have been developed to identify high-risk patients requiring follow-up. Objective: To derive and validate predictive models for progression of acute kidney injury to advanced chronic kidney disease. Design, Setting, and Participants: Data from 2 population-based cohorts of patients with a prehospitalization estimated glomerular filtration rate (eGFR) of more than 45 mL/min/1...
November 14, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29135628/endothelial-factors-in-the-pathogenesis-and-treatment-of-chronic-kidney-disease-part-ii-role-in-disease-conditions-a-joint-consensus-statement-from-the-european-society-of-hypertension-working-group-on-endothelin-and-endothelial-factors-and-the-japanese-society
#10
Gian Paolo Rossi, Teresa M Seccia, Matthias Barton, A H Jan Danser, Peter W de Leeuw, Neeraj Dhaun, Damiano Rizzoni, Patrick Rossignol, Luis-Miguel Ruilope, Anton H van den Meiracker, Sadayoshi Ito, Naoyuki Hasebe, David J Webb
: After examining in Part I the general mechanisms of endothelial cell injury in the kidney, the Working Group on Endothelin and Endothelial Factors of the European Society of Hypertension and the Japanese Society of Hypertension will herein review current knowledge on the role of endothelial dysfunction in multiple disease conditions that affect the kidney, including diabetes mellitus, preeclampsia, solid organ transplantation, hyperhomocysteinemia and antiangiogenic therapy in cancer. The few available randomized controlled clinical trials specifically designed to evaluate strategies for correcting endothelial dysfunction in patients with hypertension and/or chronic kidney disease are also discussed alongside their cardiovascular and renal outcomes...
November 14, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/29133918/fast-simultaneous-assessment-of-renal-and-liver-function-using-polymethine-dyes-in-animal-models-of-chronic-and-acute-organ-injury
#11
A T Press, M J Butans, T P Haider, C Weber, S Neugebauer, M Kiehntopf, U S Schubert, M G Clemens, M Bauer, A Kortgen
Simultaneous assessment of excretory liver and kidney function is still an unmet need in experimental stress models as well as in critical care. The aim of the study was to characterize two polymethine-dyes potentially suitable for this purpose in vivo. Plasma disappearance rate and elimination measurements of simultaneously injected fluorescent dyes DY-780 (hepato-biliary elimination) and DY-654(renal elimination) were conducted using catheter techniques and intravital microscopy in animals subjected to different organ injuries, i...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29132945/uric-acid-and-the-risks-of-kidney-failure-and-death-in-individuals-with-ckd
#12
Anand Srivastava, Arnaud D Kaze, Ciaran J McMullan, Tamara Isakova, Sushrut S Waikar
BACKGROUND: Serum uric acid concentrations increase in chronic kidney disease (CKD) and may lead to tubular injury, endothelial dysfunction, oxidative stress, and intrarenal inflammation. Whether uric acid concentrations are associated with kidney failure and death in CKD is unknown. STUDY DESIGN: Prospective observational cohort study. SETTINGS & PARTICIPANTS: 3,885 individuals with CKD stages 2 to 4 enrolled in the Chronic Renal Insufficiency Cohort (CRIC) between June 2003 and September 2008 and followed up through March 2013...
November 10, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29131132/points-of-concern-in-post-acute-kidney-injury-management
#13
Jill Vanmassenhove, Raymond Vanholder, Norbert Lameire
The incidence of acute kidney injury (AKI) will in the future remain high, partly due to an increase in comorbidities and other AKI favoring factors such as the rise in high-risk diagnostic and therapeutic interventions. AKI has emerged as a major public health concern with high human and financial costs. It has recently been demonstrated that patients surviving an AKI episode show increased all-cause mortality, chronic kidney disease (CKD), ESRD, cardiovascular events, and reduced quality of life. Although it is important to acknowledge that, after an AKI episode, the risk of dying by far exceeds the risk of developing incident or progressive CKD and/or entering a maintenance renal replacement therapy (RRT) program, currently only a minority of patients are referred for renal follow-up, even after AKI-requiring RRT...
November 2, 2017: Nephron
https://www.readbyqxmd.com/read/29130831/a-predominant-oxidative-renal-metabolite-of-empagliflozin-in-male-mice-is-cytotoxic-in-mouse-renal-tubular-cells-but-not-genotoxic
#14
James D Smith, Zimei Huang, Patricia A Escobar, Pamela Foppiano, Hlaing Maw, William Loging, Hongbin Yu, Jonathan A Phillips, Mitchell Taub, Warren W Ku
In a previously reported CD-1 mouse 2-year carcinogenicity study with the sodium glucose cotransporter-2 inhibitor empagliflozin, an increased incidence of renal tubular adenomas and carcinomas was identified only in the male high-dose group. Follow-up investigative studies have shown that the renal tumors in male high-dose mice were preceded by a number of renal degenerative/regenerative findings. Prior cross-species in vitro metabolism studies using microsomes identified an oxidative metabolite (M466/2) predominantly formed in the male mouse kidney and which spontaneously degrades to a metabolite (M380/1) and reactive 4-OH crotonaldehyde (CTA)...
January 1, 2017: International Journal of Toxicology
https://www.readbyqxmd.com/read/29129692/prmt1-mediates-podocyte-injury-and-glomerular-fibrosis-through-phosphorylation-of-erk-pathway
#15
Zhu Yu
Diabetic nephropathy (DN) is characterized by a change of glomerular structure and dysfunction of filtration barrier, which significantly accompanied by podocytes apoptosis and glomerular fibrosis. Angiotensin Ⅱ(Ang Ⅱ) induced activation of ERK1/2 signaling plays important roles in causing apoptosis of podocytes in DN kidneys. Previous studies have shown that PRMT1 have a pro-inflammatory function through activating ERK1/2 signaling pathway during development of chronic pulmonary disease, However, its role in DN development has not been investigated...
November 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29128402/an-anti-inflammatory-chalcone-derivative-prevents-heart-and-kidney-from-hyperlipidemia-induced-injuries-by-attenuating-inflammation
#16
Xiong Chen, Weihui Yu, Weixin Li, Hailing Zhang, Weijian Huang, Jingying Wang, Weiwei Zhu, Qilu Fang, Chao Chen, Xiaokun Li, Guang Liang
Obesity is a growing pandemic in both developed and developing countries. Lipid overload in obesity generates a chronic, low-grade inflammation state. Increased inflammation in heart and renal tissues has been shown to promote the progression of heart and renal damage in obesity. Previously, we found that a novel chalcone derivative, L6H21, inhibited lipopolysaccharide-induced inflammatory response. In the present study, we investigated the effects of L6H21 on inflammatory responses in culture and in animal models of lipid overload...
November 8, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29127652/dapagliflozin-as-a-cause-of-acute-tubular-necrosis-with-heavy-consequences-a-case-report
#17
Christos Pleros, Elisavet Stamataki, Antonia Papadaki, Nikolaos Damianakis, Rafaela Poulidaki, Charikleia Gakiopoulou, Ioannis Tzanakis
A 50-year-old man with type II diabetes, hypertension and dyslipidemia, presented with non-oliguric acute kidney injury (AKI) and anemia. Renal biopsy showed acute tubular necrosis (ATN) with extensive cytoplasmic vacuolization and areas of tubulitis. These findings were ultimately attributed to dapagliflozin, which he started 3 months earlier due to poor glycemic control. ATN with similar microscopic findings has been described with larger doses of dapagliflozin in non-clinical trials. Our patient was started on dialysis and remained dialysis-dependent for 4 weeks while his renal function improved gradually thereafter...
November 10, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/29127220/therapeutic-potential-of-micrornas-for-the-treatment-of-renal-fibrosis-and-ckd
#18
Wenshan Lv, Fan Fan, Yangang Wang, Ezekiel Gonzalez-Fernandez, Chen Wang, Lili Yang, George W Booz, Richard J Roman
Chronic kidney disease (CKD), defined as reduced glomerular filtration rate, is increasingly becoming a major public health issue. At the histological level, renal fibrosis is the final common pathway leading to end-stage renal disease, irrespective of the initial injury. According to this view, antifibrotic agents should slow or halt the progression of CKD. However, due to multiple overlapping pathways stimulating fibrosis, it has been difficult to develop antifibrotic drugs that delay or reverse the progression of CKD...
November 10, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/29124867/acute-kidney-injury-in-critically-ill-surgical-patients-epidemiology-risk-factors-and-outcomes
#19
Konlawij Trongtrakul, Chaiwut Sawawiboon, Amanda Y Wang, Anusang Chitsomkasem, Ploynapas Limphunudom, Sathit Kurathong, Surasee Prommoon, Thananda Trakarnvanich, Nattachai Srisawat
AIM: Acute kidney injury (AKI) is one of the most serious complications seen in intensive care units (ICUs). However, its epidemiology, risk factors and clinical outcomes in surgical critically ill patients remains unclear. METHODS: A prospective cohort study was conducted in surgical intensive care unit (ICU) of the university hospital in Bangkok, Thailand. AKI was diagnosed according to the KDIGO 2012 criteria. RESULTS: A total of 189 of the 400 patients enrolled in our study developed AKI (47...
November 10, 2017: Nephrology
https://www.readbyqxmd.com/read/29124787/reduced-tubular-degradation-of-glomerular-filtered-plasma-albumin-is-a-common-feature-in-acute-and-chronic-kidney-disease
#20
Yingjie Han, Nguyen D K Ly, Greg H Tesch, Philip Poronnik, David J Nikolic-Paterson
Tubular epithelial cells take up and degrade plasma albumin filtered by the glomerulus. Tubular damage resulting in reduced albumin uptake or degradation has been suggested as one mechanism contributing to albuminuria in kidney disease. This study investigated whether albumin uptake or degradation is altered in acute and chronic glomerular disease. Mouse models of acute glomerular injury (anti-GBM disease and LPS-induced albuminuria) and chronic disease (streptozotocin-induced diabetes and db/db mice) were examined...
November 10, 2017: Clinical and Experimental Pharmacology & Physiology
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