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Creatinine AND GFR

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https://www.readbyqxmd.com/read/27894952/comparison-of-creatinine-and-cystatin-c-based-egfr-in-the-estimation-of-glomerular-filtration-rate-in-indigenous-australians-the-egfr-study
#1
Elizabeth Lm Barr, Louise J Maple-Brown, Federica Barzi, Jaquelyne T Hughes, George Jerums, Elif I Ekinci, Andrew G Ellis, Graham Rd Jones, Paul D Lawton, Cherian Sajiv, Sandawana W Majoni, Alex Dh Brown, Wendy E Hoy, Kerin O'Dea, Alan Cass, Richard J MacIsaac
BACKGROUND: The Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation that combines creatinine and cystatin C is superior to equations that include either measure alone in estimating glomerular filtration rate (GFR). However, whether cystatin C can provide any additional benefits in estimating GFR for Indigenous Australians, a population at high risk of end-stage kidney disease (ESKD) is unknown. METHODS: Using a cross-sectional analysis from the eGFR Study of 654 Indigenous Australians at high risk of ESKD, eGFR was calculated using the CKD-EPI equations for serum creatinine (eGFRcr), cystatin C (eGFRcysC) and combined creatinine and cystatin C (eGFRcysC+cr)...
November 25, 2016: Clinical Biochemistry
https://www.readbyqxmd.com/read/27894116/intrarenal-vascular-resistance-is-associated-with-a-prothrombotic-state-in-hypertensive-patients
#2
Cristiana Catena, GianLuca Colussi, Marileda Novello, Valentina Fagotto, Leonardo A Sechi
BACKGROUND/AIMS: Hypertensive nephroangiosclerosis is associated with progressive increase of intrarenal vascular resistance. In addition to blood pressure, other factors can contribute to hypertensive renal damage including a prothrombotic state. We investigated the relationship between hemostatic markers and intrarenal vascular resistance in hypertension. METHODS: In 115 untreated, nondiabetic, hypertensive subjects free of cardiovascular complications and advanced renal function impairment, we measured 24-hour creatinine clearance (GFR) and urinary albumin excretion (UAE), fasting plasma glucose, HOMA-index, and plasma levels of fibrinogen, D-dimer, prothrombin fragment 1+2, plasminogen activator inhibitor-1, homocysteine, and lipoprotein(a)...
November 29, 2016: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/27890838/preoperative-evaluation-of-the-renal-function-before-the-treatment-of-abdominal-aortic-aneurysms
#3
Raphael Coscas, Sandra Wagner, Eve Vilaine, Albane Sartorius, Isabelle Javerliat, Olivier Goeau-Brissonniere, Marc Coggia, Ziad Massy
OBJECTIVES: Chronic impaired renal function (IRC) constitutes a major risk factor of morbi-mortality during the treatment of an abdominal aortic aneurism (AAA). The inflammatory state due to the AAA could result in a reduction in the muscular mass and an over-estimation of the glomerular filtration rate (GFR) with the usual formulas. The objective of this study was to determine if the formulae used to evaluate the estimated GFR were adapted in patients with AAA. MATERIALS AND METHODS: Between August 2013 and November 2014, we conducted an exploratory study to evaluate the renal function before surgery for AAA in 28 patients...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27884475/frailty-kidney-function-and-polypharmacy-the%C3%A2-atherosclerosis-risk-in-communities-aric-study
#4
Shoshana H Ballew, Yan Chen, Natalie R Daya, Job G Godino, B Gwen Windham, Mara McAdams-DeMarco, Josef Coresh, Elizabeth Selvin, Morgan E Grams
BACKGROUND: Frail individuals are at increased risk for poor outcomes, including adverse drug events. Kidney function is often compromised in frailty and is a key consideration in medication choice and dosing; however, creatinine-based measures of kidney function may be biased in frail individuals. STUDY DESIGN: Observational study. SETTING & PARTICIPANTS: 4,987 community-dwelling older men and women with complete data who participated in visit 5 of the Atherosclerosis Risk in Communities (ARIC) Study (2011-2013)...
November 21, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27882009/functional-and-structural-abnormalities-of-the-kidney-and-urinary-tract-in-severely-malnourished-children-a-hospital-based-study
#5
Misbah Anjum, Khemchand N Moorani, Ifra Sameen, Muhammad Ayaz Mustufa, Shazia Kulsoom
OBJECTIVES: The association of malnutrition and systemic diseases like chronic kidney disease (CKD) is well known. Various urinary tract abnormalities may be associated with malnutrition. So objective of current study was to determine the frequency of functional and structural urinary tract abnormalities in severely malnourished children admitted in Nutritional Rehabilitation Unit (NRU) of a tertiary care facility, Karachi. METHODS: This descriptive cases series of 78 children was conducted in NRU from October 2014 - March 2015...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27878110/discontinuation-of-antimicrobial-prophylaxis-ap-in-children-with-spina-bifida-a-case-series-analysis
#6
Kevin G Couloures, Michael Anderson, Michael Machiorlatti, Olivera Marsenic, Lawrence Opas
BACKGROUND: Spina bifida increases the risk for urinary tract infections (UTI). Antimicrobial prophylaxis (AP) reduces symptomatic UTI's but selects resistant organisms. Measures to ensure regular and complete emptying of the bladder combined with treatment of constipation reduce the risk for UTI. OBJECTIVES: Demonstrate that close adherence to a catheterization regimen in children with spina bifida (Selective Treatment - ST) reduces the need for antimicrobial prophylaxis...
September 2016: Nephro-urology Monthly
https://www.readbyqxmd.com/read/27876521/increased-risk-of-renal-dysfunction-with-percutaneous-mechanical-thrombectomy-compared-with-catheter-directed-thrombolysis
#7
Katherine L Morrow, Ann H Kim, Steven A Plato, Andrew J Shevitz, Jerry Goldstone, Henry Baele, Vikram S Kashyap
OBJECTIVE: Percutaneous mechanical thrombectomy (PMT) is regularly used in the treatment of both venous and arterial thrombosis. Although there has been no formal report, PMT has been linked to cases of reversible postoperative acute kidney injury (AKI). The purpose of this study is to evaluate the risk of renal dysfunction in patients undergoing PMT vs catheter-directed thrombolysis (CDT) for treatment of an acute thrombus. METHODS: This study is a retrospective review of all patients in a single institution with a Current Procedural Terminology code for PMT or CDT from January 2009 through December 2014...
November 19, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27873229/subclinical-kidney-damage-in-hypertensive-patients-a-renal-window-opened-on-the-cardiovascular-system-focus-on-microalbuminuria
#8
Giuseppe Mulè, Antonella Castiglia, Claudia Cusumano, Emilia Scaduto, Giulio Geraci, Dario Altieri, Epifanio Di Natale, Onofrio Cacciatore, Giovanni Cerasola, Santina Cottone
The kidney is one of the major target organs of hypertension.Kidney damage represents a frequent event in the course of hypertension and arterial hypertension is one of the leading causes of end-stage renal disease (ESRD).ESRD has long been recognized as a strong predictor of cardiovascular (CV) morbidity and mortality. However, over the past 20 years a large and consistent body of evidence has been produced suggesting that CV risk progressively increases as the estimated glomerular filtration rate (eGFR) declines and is already significantly elevated even in the earliest stages of renal damage...
November 22, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27861357/the-effect-of-alprostadil-on-preventing-contrast-induced-nephropathy-for-percutaneous-coronary-intervention-in-diabetic-patients-a-systematic-review-and-meta-analysis
#9
Ziliang Ye, Haili Lu, Wenqin Guo, Weiran Dai, Hongqing Li, Huafeng Yang, Lang Li
BACKGROUND: At present, there are a lot of research about the effect of Alprostadil on preventing contrast-induced nephropathy for percutaneous coronary intervention (PCI) in diabetic patients, but the clinical efficacy is not consistent, so we conduct this study and therefore determine the dominant strategy for the treatment of PCI in diabetic patients based on the best evidence currently. METHODS: An electronic database search was conducted in MEDLINE, Embase, Cochrane library, CBM, CNKI, VIP, and WanFang to retrieve randomized controlled trial (RCT) comparing Alprostadil versus hydration on preventing CIN for PCI in diabetic patients...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27860407/from-fish-to-nephrology-modeling-glomerular-function-in-danio-rerio-larvae
#10
EDITORIAL
Sebastian Bachmann
The assessment of the glomerular filtration rate (GFR) is essential to judge renal function in clinical practice. Estimated GFR based on serum creatinine concentration is useful as a "first line" test of kidney function, whereas measured GFR using urinary or plasma clearance of exogenously applied markers of filtration provides more accurate information and allows conclusions on the function of the filtration barrier and the tubular reabsorptive capacity (Stevens & Levey 2009). Defects of the glomerular filtration barrier may impair size selectivity and cause proteinuria, leading to chronic kidney disease...
November 17, 2016: Acta Physiologica
https://www.readbyqxmd.com/read/27856008/comprehensive-renal-function-evaluation-in-patients-treated-for-synchronous-bilateral-wilms-tumor
#11
Rodrigo B Interiano, M Beth McCarville, Noel Delos Santos, Shenghua Mao, Jianrong Wu, Jeffrey S Dome, Kathleen Kieran, Mark A Williams, Rachel C Brennan, Matthew J Krasin, Daniel M Green, Andrew M Davidoff
OBJECTIVES: The purpose of this study was to perform a comprehensive assessment of long-term renal function in patients treated at our institution for synchronous bilateral Wilms tumor (BWT) and to determine the optimal method for estimating glomerular filtration rate (eGFR). METHODS: Surgical approach, adjuvant therapy, and pathology reports were reviewed for patients with at least six months follow-up from definitive surgery. eGFRs, as assessed by the Schwartz and Chronic Kidney Disease in Children (CKiD) formulas, were compared to measured GFR (mGFR) determined by (99m)Tc-DTPA scanning...
October 27, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27846810/competing-risk-of-death-and-end-stage-renal-disease-in-incident-chronic-kidney-disease-stages-3-to-5-the-epiran-community-based-study
#12
Carole Ayav, Jean-Baptiste Beuscart, Serge Briançon, Alain Duhamel, Luc Frimat, Michèle Kessler
BACKGROUND: Although chronic kidney disease (CKD) affects a growing number of people, epidemiologic data on incident CKD in the general population are scarce. Screening strategies to increase early CKD detection have been developed. METHODS: From a community-based sample of 4,409 individuals residing in a well-defined geographical area, we determined the number of patients having a first serum creatinine value ≥1.7 mg/dL and present for at least 3 months that allowed us to calculate an annual incidence rate of CKD (stages 3 to 5)...
November 15, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27836107/albuminuria-predicts-early-neurological-deterioration-in-patients-with-acute-ischemic-stroke
#13
Takuya Kanamaru, Satoshi Suda, Kanako Muraga, Seiji Okubo, Yoko Watanabe, Syuichi Tsuruoka, Kazumi Kimura
BACKGROUND: Reduced glomerular filtration rate (GFR) and albuminuria have been independently associated with an increased risk of stroke and unfavorable long-term outcomes. However, the association between GFR, albuminuria, and early neurological deterioration (END) in patients with ischemic stroke has not been well studied to date. We therefore investigated the ability of estimated GFR (eGFR) and albuminuria to predict END in patients with acute ischemic stroke. METHODS: We retrospectively enrolled 294 patients that were admitted to our stroke center with acute ischemic stroke between January 2011 and September 2012...
November 5, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27832768/central-obesity-associates-with-renal-hyperfiltration-in-the-non-diabetic-general-population-a-cross-sectional-study
#14
Vidar Tor Nyborg Stefansson, Jørgen Schei, Trond Geir Jenssen, Toralf Melsom, Bjørn Odvar Eriksen
BACKGROUND: Obesity is a risk factor for end-stage renal disease. Renal hyperfiltration, defined as an abnormally high glomerular filtration rate (GFR), is a link in the causal chain between diabetes and chronic kidney disease. Whether obesity is associated with hyperfiltration in the non-diabetic general population, remains unresolved due to a lack of consensus regarding the definition of hyperfiltration and the limited precision of high-range GFR estimations with creatinine and/or cystatin C...
November 10, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27827311/comparative-effectiveness-of-second-line-agents-for-the-treatment-of-diabetes-type-2-in-preventing-kidney-function-decline
#15
Adriana M Hung, Christianne L Roumie, Robert A Greevy, Carlos G Grijalva, Xulei Liu, Harvey J Murff, T Alp Ikizler, Marie R Griffin
BACKGROUND AND OBJECTIVES: Diabetes is the leading cause of ESRD. Glucose control improves kidney outcomes. Most patients eventually require treatment intensification with second-line medications; however, the differential effects of those therapies on kidney function are unknown. DESIGN, SETTING, PARTICIPANTS & MEASUREMENTS: We studied a retrospective cohort of veterans on metformin monotherapy from 2001 to 2008 who added either insulin or sulfonylurea and were followed through September of 2011...
November 8, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/27826732/renin-angiotensin-ii-aldosterone-system-blockers-and-time-to-renal-replacement-therapy-in-children-with-ckd
#16
Alison G Abraham, Aisha Betoko, Jeffrey J Fadrowski, Christopher Pierce, Susan L Furth, Bradley A Warady, Alvaro Muñoz
BACKGROUND: Clinical care decisions to treat chronic kidney disease (CKD) in a growing child must often be made without the benefit of evidence from clinical trials. We used observational data from the Chronic Kidney Disease in Children cohort to estimate the effectiveness of renin-angiotensin II-aldosterone system blockade (RAAS) to delay renal replacement therapy (RRT) in children with CKD. METHODS: A total of 851 participants (median age: 11 years, median glomerular filtration rate [GFR]: 52 ml/min/1...
November 8, 2016: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/27821253/bone-mineral-density-in-children-with-idiopathic-nephrotic-syndrome
#17
Ghada Mohamed El-Mashad, Mahmoud Ahmed El-Hawy, Sally Mohamed El-Hefnawy, Sanaa Mansour Mohamed
OBJECTIVES: To assess bone mineral density (BMD) in children with idiopathic nephrotic syndrome (NS) and normal glomerular filtration rate (GFR). METHODS: Cross-sectional case-control study carried out on 50 children: 25 cases of NS (16 steroid-sensitive [SSNS] and nine steroid-resistant [SRNS] under follow up in the pediatric nephrology unit of Menoufia University Hospital, which is tertiary care center, were compared to 25 healthy controls with matched age and sex...
November 5, 2016: Jornal de Pediatria
https://www.readbyqxmd.com/read/27819037/classification-of-kidney-transplant-recipients-using-a-combination-of-estimated-gfr-and-albuminuria-reflects-risk
#18
Christine A White, Ayub Akbari, Hari Talreja, Neha Lalani, Greg A Knoll
BACKGROUND: The 2012 Kidney Dialysis Initiative Global Outcomes chronic kidney disease (CKD) classification scheme subdivides stage 3 CKD and incorporates the urinary albumin-to-creatinine ratio (ACR). The aim of this study was to evaluate whether the novel scheme provides graded risk in kidney transplant recipients (KTRs). METHODS: Prevalent KTRs with available laboratory data were included. The primary outcome was a composite of doubling of serum creatinine, graft failure, or death...
August 2016: Transplantation Direct
https://www.readbyqxmd.com/read/27814282/nephroprotective-effects-of-remote-ischemic-preconditioning-in-coronary-angiography
#19
Naufal Zagidullin, Alina Dunayeva, Alexander Gilmanov, Shamil Zagidullin, Valentin Pavlov
BACKGROUND: Contrast-induced nephropathy (CIN) is a formidable side effect of iodinated contrast medium use in subjects undergoing coronary angiogram (CAG). Remote ischemic preconditioning (RIPC) may reduce the risk of CIN. AIM: The aim of the study was to investigate the nephroprotective effects of RIPC in coronary heart disease (CHD) in patients, undergoing CAG, with mild to moderate lowered estimated glomerular filtration rate (eGFR). MATERIALS: In the randomized, blinded, sham RIPC (sRIPC) controlled study 51 patients with CHD and GFR less than 80 mL/min/m2, undergoing CAG, were investigated...
November 4, 2016: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/27813552/enos-gene-glu298asp-and-4b-a-polymorphisms-are-associated-with-renal-function-parameters-in-mexican-patients-with-fabry-disease
#20
A Marin-Medina, A J L Brambila-Tapia, V J Picos-Cárdenas, M P Gallegos-Arreola, L E Figuera
Fabry disease (FD) is an inherited X-linked lysosomal disease that causes renal failure in a high percentage of affected individuals. The eNOS gene encodes for endothelial nitric oxide synthase, which plays an important role in glomerular hemodynamics. This gene has two main polymorphisms (Glu298Asp and 4b/a) that have been studied in the context of many different diseases, including those involving cardiovascular and renal alterations. Considering the lack of information regarding eNOS variants and FD, we investigated whether there were associations between eNOS genetic variants and renal function parameters in Mexican patients with FD and renal impairment...
October 24, 2016: Genetics and Molecular Research: GMR
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