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Creatinine AND GFR

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https://www.readbyqxmd.com/read/28219585/urinary-type-iii-procollagen-is-associated-with-chronic-allograft-dysfunction-and-predicts-graft-survival
#1
R Yılmaz, T Yıldırım, D E Baydar, B Altun, Y Erdem
BACKGROUND: Chronic allograft dysfunction (CAD) is the most important clinical problem in solid organ transplantation. Interstitial fibrosis and tubular atrophy contribute to long-term renal allograft failure. Urinary type III procollagen N-terminal propeptide (PIIINP), has been shown to associate fibrotic processes. METHODS: One hundred sixty patients with CAD who underwent allograft biopsies were evaluated, and 52 patients with chronic or sclerosing allograft nephropathy were enrolled in the study...
March 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28219328/%C3%AE-trace-protein-is-highly-removed-during-haemodialysis-with-high-flux-and-super-high-flux-membranes
#2
Carlo Donadio, Danika Tognotti, Laura Caponi, Aldo Paolicchi
BACKGROUND: Serum β-trace protein (βTP, MW 23-29 kDa) is a marker of GFR impairment in renal patients. Recent papers propose to predict residual renal function (RRF) in maintenance haemodialysis (MHD) patients from serum concentrations of βTP and other small proteins, avoiding the collection of urine. Few data are available on the removal of βTP in patients treated with dialysis membranes with different flux characteristics. The aim of this study was to evaluate the effects of haemodialysis with low-flux, high-flux and super high-flux membranes on serum concentrations of ßTP in MHD patients with null RRF...
February 20, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28216932/role-of-calculated-glomerular-filtration-rate-using-percutaneous-nephrostomy-creatinine-clearance-in-the-era-of-radionuclide-scintigraphy
#3
Sunil Raghunath Patil, Prakash Wamanrao Pawar, Abhishek Jaysukhbhai Savalia, Shankar Tanaji Mundhe, Sayalee Suryabhan Narwade, Ashwin Sunil Tamhankar
CONTEXT: Gates method tends to over-estimate glomerular filtration rate (GFR) in borderline functioning kidneys. We study the role of calculated GFR in these cases in decision-making regarding performing kidney-sparing surgery or nephrectomy. AIMS: The aim of this study is to find the correlation between GFR calculated by percutaneous nephrostomy (PCN) urine creatinine clearance in obstructed kidneys and GFR by radionuclide scintigraphy. It also studies the role of this calculated GFR in borderline functioning kidneys...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28214841/drug-dosing-and-estimated-renal-function-any-step-forward-from-effersoe
#4
Mads Hornum, Bo Feldt-Rasmussen
Drug dosing in accordance with the renal function is a long-standing challenge to clinicians. For many years it has been evident that in many clinical situations there is no easy way to correctly dose any drug that is mainly cleared by the kidneys. Despite the development of many formulas for estimating the glomerular filtration rate, they all have serious shortcomings. Much effort has been put in to develop estimation formulas to evaluate the renal function as an alternative to direct methods with the aim of safely dosing drugs that are mainly cleared by the kidneys...
February 18, 2017: Nephron
https://www.readbyqxmd.com/read/28208988/cisplatin-induced-renal-insufficiency-measured-by-glomerular-filtration-rate-with-99mtc-dtpa-and-by-using-serum-creatinine-based-formulae-a-prospective-study
#5
Rohini Khurana, Satyawati Deswal, Chandra Prakash, Dhananjay Kumar Singh
INTRODUCTION: Cisplatin also known as Cis-Diammine-Dichloroplatinum (CDDP) is a chemotherapeutic alkylating nephrotoxic agent. Thus, it is necessary to know if renal function is normal before starting chemotherapy. Glomerular Filtration Rate (GFR) can be assessed directly by using a radiopharmaceutical (dGFR). Estimated GFR (eGFR) method use, Serum Creatinine (SCR) levels in mathematical formulae such as Cockroft-Gault (CG) and abbreviated. Modified Diet in Renal Disease (aMDRD). The serum creatinine level is a function of GFR but is relatively insensitive for detecting early renal insufficiency...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28203024/-significance-of-renal-filtration-fraction-evaluation-of-renal-artery-stenting-for-atherosclerotic-renal-artery-stenosis-treatment
#6
Q C Feng, X Li, J Y Luan, C M Wang, T R Li
OBJECTIVE: To investigate the significance of filtration fraction (FF) and renal artery stenting in the treatment of atherosclerotic renal artery stenosis. METHODS: In the study, 42 cases of renal artery stenosis were treated with 52 renal artery stent implantation. Percutaneous transluminal renal angioplasty and stent (PTRAS) of the patients' health side kidney, ipsilateral kidney (renal) glomerular filtration rate (GFR), renal effective renal plasma flow effective renal plasma flow (ERPF), kidney filtration fraction changes of preoperative and postoperative serum creatinine (SCR) and the changes in the patients with blood pressure (SBP) and the changes after taking antihypertensive drugs were observed and analyzed...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28187233/a-comparison-of-cystatin-c-concentrations-between-patients-with-chronic-interstitial-nephritis-and-glomerular-diseases
#7
Nicolas Roberto Robles, Candido Mena, Edgar Chavez, Miguel Angel Bayo, Boris Gonzalez Candia, Antonio Cidoncha, Juan Lopez Gomez, Juan Jose Cubero
AIMS: Cystatin C have shown to be a renal function parameter with higher sensitivity and specificity than serum creatinine. In tubular diseases, cystatin C degradation and an increase in its urinary elimination would be observed. We have tried to define if different kinds of kidney diseases may significantly affect the serum levels of cystatin C. DESIGN AND METHODS: Four hundred and four patients were studied: 249 men and 155 women, mean age was 64.3±10.1 years...
February 10, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28183270/estimation-of-renal-function-by-ckd-epi-versus-mdrd-in-a-cohort-of-hiv-infected-patients-a-cross-sectional-analysis
#8
M P Cristelli, F Cofán, N Rico, J C Trullàs, C Manzardo, F Agüero, J L Bedini, A Moreno, F Oppenheimer, J M Miro
BACKGROUND: Accurately determining renal function is essential for clinical management of HIV patients. Classically, it has been evaluated by estimating glomerular filtration rate (eGFR) with the MDRD-equation, but today there is evidence that the new Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation has greater diagnostic accuracy. To date, however, little information exists on patients with HIV-infection. This study aimed to evaluate eGFR by CKD-EPI vs. MDRD equations and to stratify renal function according to KDIGO guidelines...
February 10, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28176396/multiresolution-imaging-using-golden-angle-stack-of-stars-and-compressed-sensing-for-dynamic-mr-urography
#9
Abhishek Pandey, Umit Yoruk, Mahesh Keerthivasan, Jean-Philippe Galons, Puneet Sharma, Kevin Johnson, Diego R Martin, Maria I Altbach, Ali Bilgin, Manojkumar Saranathan
PURPOSE: To develop a novel multiresolution MRI methodology for accurate estimation of glomerular filtration rate (GFR) in vivo. MATERIALS AND METHODS: A three-dimensional golden-angle radial stack-of-stars (SoS) trajectory was used for data acquisition on a 3 Tesla MRI scanner. Multiresolution reconstruction and analysis was performed using arterial input function reconstructed at 1-s. temporal resolution and renal dynamic data reconstructed using compressed sensing (CS) with 4-s temporal resolution...
February 8, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28166744/effect-of-large-weight-reductions-on-measured-and-estimated-kidney-function
#10
Bernt Johan von Scholten, Frederik Persson, Maria S Svane, Tine W Hansen, Sten Madsbad, Peter Rossing
BACKGROUND: When patients experience large weight loss, muscle mass may be affected followed by changes in plasma creatinine (pCr). The MDRD and CKD-EPI equations for estimated GFR (eGFR) include pCr. We hypothesised that a large weight loss reduces muscle mass and pCr causing increase in eGFR (creatinine-based equations), whereas measured GFR (mGFR) and cystatin C-based eGFR would be unaffected if adjusted for body surface area. METHODS: Prospective, intervention study including 19 patients...
February 6, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28166298/estimation-of-chronic-kidney-disease-incidence-from-prevalence-and-mortality-data-in-american-indians-with-type-2-diabetes
#11
Pavithra Vijayakumar, Annika Hoyer, Robert G Nelson, Ralph Brinks, Meda E Pavkov
The objective was to estimate chronic kidney disease (CKD) incidence rates from prevalence and mortality data, and compare the estimates with observed (true) incidence rates in a well-characterized population with diabetes. Pima Indians aged 20 years and older with type 2 diabetes were followed from 1982 through 2007. CKD was defined by estimated GFR (eGFR) <60 ml/min/1.72 m2 or albumin-to-creatinine ratio (ACR) ≥30 mg/g. True CKD incidence and mortality rates were computed for the whole study period, and prevalence for the intervals 1982-1994 and 1995-2007...
2017: PloS One
https://www.readbyqxmd.com/read/28161698/adenine-rich-diet-is-not-a-surrogate-of-5-6-nephrectomy-in-rabbits
#12
Nans Florens, Sandrine Lemoine, Caroline C Pelletier, Maud Rabeyrin, Laurent Juillard, Christophe O Soulage
BACKGROUND: Animal models are important tools needed to understand the mechanisms underlying the progression of renal disease and to implement new therapeutic approaches. A non-surgical model of chronic kidney disease (CKD) developed by chemical nephrectomy using an adenine-enriched diet has been shown to be a robust model to induce kidney failure in mice and rats. The purpose of this study was to implement an adenine diet to induce CKD in rabbits. METHODS: Male New Zealand rabbits were fed for 4 weeks with a diet containing 0...
February 4, 2017: Nephron
https://www.readbyqxmd.com/read/28156624/a-study-of-discrepancy-between-laboratory-calculated-and-weight-based-glomerular-filtration-rate-gfr-as-a-marker-of-renal-function-in-a-palliative-care-population
#13
Miriam Colleran
: 58 Background: Renal function is important in a palliative care population and can impact on frequently-used medications including chemotherapeutic agents, opioids, non-steroidal anti-inflammatory drugs and neuropathic agents. In local practice, estimated glomerular filtration rate (eGFR), calculated on a presumed weight of 70kg, is displayed in laboratory results. However, the weight of palliative patients varies considerably, for example, due to cancer cachexia or malabsorption and a considerable population weigh less than 70kg...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28154020/comparison-of-performance-of-improved-serum-estimators-of-gfr-to-tc-99m-dtpa-gfr-methods-in-patients-with-hepatic-cirrhosis
#14
Zaid Haddadin, Vivian Lee, Christopher Conlin, Lei Zhang, Kristi Carlston, Glen Morrell, Daniel Kim, John M Hoffman, Kathryn A Morton
RATIONALE: GFR measurements are critical in patients with hepatic cirrhosis, but potentially erroneous when based on serum creatinine. New equations for estimated GFR (eGFR) have shown variable performance in cirrhotics, possibly due to inaccuracies in reference methods for measured GFR (mGFR). The primary objective was to compare the performance of 4 improved eGFR equations to a 1-compartment, 2-sample plasma slope intercept (99m)Tc-DTPA mGFR method to determine whether any of the eGFR calculations could replace plasma (99m)Tc-DTPA mGFR in patients with cirrhosis...
February 2, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28143672/echocardiographic-measures-and-estimated-gfr-decline-among-african-americans-the-jackson-heart-study
#15
Leila R Zelnick, Ronit Katz, Bessie A Young, Adolfo Correa, Bryan R Kestenbaum, Ian H de Boer, Nisha Bansal
BACKGROUND: Cardiac structural abnormalities, common in African Americans, are associated with adverse clinical outcomes. Associations between echocardiography-measured subclinical heart failure and kidney function decline are unknown and may identify novel risk factors for kidney disease in this population. STUDY DESIGN: Prospective cohort study. SETTING & PARTICIPANTS: 2,418 Jackson Heart Study participants with baseline echocardiograms and longitudinal measures of estimated glomerular filtration rate (eGFR) calculated from the CKD-EPI creatinine equation...
January 28, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28139395/hypoglycemia-incidence-in-older-adults-by-estimated-gfr
#16
Meryl Hodge, Eric McArthur, Amit X Garg, Navdeep Tangri, Kristin K Clemens
BACKGROUND: Bedside estimates of the risk for hypoglycemia by estimated glomerular filtration rate (eGFR), urine albumin-creatinine ratio (ACR), and use of antihyperglycemic medications would be helpful. STUDY DESIGN: Population-based cohort study. SETTING & PARTICIPANTS: Older adults (mean age, 75 years) in Ontario, Canada, from April 2002 through March 2013. FACTORS: eGFR stage, ACR stage, and use of antihyperglycemic medications...
January 27, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28135296/genome-wide-association-of-copy-number-polymorphisms-and-kidney-function
#17
Man Li, Jacob Carey, Stephen Cristiano, Katalin Susztak, Josef Coresh, Eric Boerwinkle, Wen Hong L Kao, Terri H Beaty, Anna Köttgen, Robert B Scharpf
Genome-wide association studies (GWAS) using single nucleotide polymorphisms (SNPs) have identified more than 50 loci associated with estimated glomerular filtration rate (eGFR), a measure of kidney function. However, significant SNPs account for a small proportion of eGFR variability. Other forms of genetic variation have not been comprehensively evaluated for association with eGFR. In this study, we assess whether changes in germline DNA copy number are associated with GFR estimated from serum creatinine, eGFRcrea...
2017: PloS One
https://www.readbyqxmd.com/read/28133528/effects-of-ellagic-acid-pretreatment-on-renal-functions-disturbances-induced-by-global-cerebral-ischemic-reperfusion-in-rat
#18
Khojasteh Hoseiny Nejad, Mohammad Kazem Gharib-Naseri, Alireza Sarkaki, Mahin Dianat, Mohammad Badavi, Yaghoub Farbood
OBJECTIVES: Global cerebral ischemia-reperfusion (GCIR) causes disturbances in brain functions as well as other organs such as kidney. Our aim was to evaluate the protective effects of ellagic acid (EA) on certain renal disfunction after GCIR. MATERIALS AND METHODS: Adult male Wistar rats (n=32, 250-300 g) were used. GCIR was induced by bilateral vertebral and common carotid arteries occlusion (4-VO). Animal groups were: 1) received DMSO/saline (10%) as solvent of EA, 2) solvent + GCIR, 3) EA + GCIR, and 4) EA...
January 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28123560/adefovir-dipivoxil-induced-fanconi-syndrome-and-its-predictive-factors-a-study-of-28-cases
#19
Yong Lin, Fan Pan, Yingchao Wang, Ziqian Chen, Chun Lin, Lvfeng Yao, Xin Zhang, Rui Zhou, Chen Pan
The aim of the present study was to identify monitoring and prevention measures as well as predictive factors for early detection of renal toxicity associated with long-term administration of adefovir dipivoxil in order to avoid progression to Fanconi syndrome. Clinical data of 28 patients with Fanconi syndrome caused by long-term administration of adefovir dipivoxil for the treatment of chronic hepatitis B virus (HBV) infection were collected pre-and post-administration for analysis. Patients presented with fatigue, progressive systemic pain in multiple bones and joints, as well as difficulty in walking and pathological fractures in a number of severe cases...
January 2017: Oncology Letters
https://www.readbyqxmd.com/read/28118757/underestimated-incidence-of-kidney-disease-in-nonrenal-outpatient
#20
Zeyuan Lu, Jianyong Yin, Guangyuan Zhang, Rui Wu, Qing Zhao, Niansong Wang, Chungen Yan, Feng Wang
BACKGROUND AND AIMS: Chronic kidney disease (CKD) has been regarded as a severe threaten to public health, a large percentage of CKD are secondary to other diseases. Serum creatinine is the most common marker of renal function, but it did not always reflect glomerular filtration rate (GFR) accurately. In order to investigate the prevalence of kidney disease in non-renal departments and to provide a basis for the prevention of kidney injury, the present study was conducted in several medical centers...
November 2017: Renal Failure
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