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Creatinine AND GFR

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https://www.readbyqxmd.com/read/28449402/postprandial-renal-haemodynamic-effect-of-lixisenatide-versus-once-daily-insulin-glulisine-in-type-2-diabetes-patients-on-insulin-glargine-an-8-week-randomised-open-label-trial
#1
Lennart Tonneijck, Marcel H A Muskiet, Mark M Smits, Trynke Hoekstra, Mark H H Kramer, A H Jan Danser, Michaela Diamant, Jaap A Joles, Daniël H van Raalte
AIMS: To determine whether lixisenatide, a prandial short-acting glucagon-like peptide receptor agonist (GLP-1RA), ameliorates postprandial glomerular hyperfiltration in type 2 diabetes mellitus (T2DM)-patients compared to insulin-glulisine (iGlu) . METHODS: Postprandial renal haemodynamic effects of 8-week treatment with lixisenatide 20 µg versus once-daily titrated iGlu were measured in 35 overweight T2DM-patients inadequately controlled on insulin-glargine, with or without metformin (mean±SD age 62 ± 7years, HbA1c 8...
April 27, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28449154/dual-raas-blockade-with-aliskiren-in-patients-with-severely-impaired-chronic-kidney-disease
#2
Franz Maximilian Rasche, Claudia Joel, Thomas Ebert, Thomas Frese, Filip Barinka, Volker Busch, Wilma Gertrud Rasche, Tom H Lindner, Jochen Schneider, Stephan Schiekofer
Dual renin-angiotensin-aldosterone blockade (dRAASb) is purposed in the prevention of the cardiorenal syndrome (CRS). However, all attempts with dRAASb even in patients with moderate impaired chronic kidney disease (CKD) were terminated due to the typical severe adverse events (SAE), e. g., hyperkalemia and rise of serum creatinine. The aim of our study with the direct renin inhibitor aliskiren was to evaluate the effect of dRAASb with a washout phase in patients with severely advanced CKD. We have studied 45 patients (G3b to 4, A2 and >A3; median glomerular filtration rate (GFR) CKD-EPI 31 (23-40) ml/min per 1...
April 27, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28445699/journey-of-cystatins-from-being-mere-thiol-protease-inhibitors-to-at-heart-of-many-pathological-conditions
#3
REVIEW
Anas Shamsi, Bilqees Bano
Cystatins are thiol proteinase inhibitors (TPI), present ubiquitously in animals, plants and micro-organisms. These are not merely inhibitors rather they are at heart of many pathological conditions ranging from diabetes to renal failure. These are essential for maintenance of protein balance of the cell; once this balance gets disturbed, it may lead to cell death. Thus, cystatins cannot be merely regarded as TPI's as these have been found to play a pivotal role in tumorigenesis and neurodegenerative diseases...
April 23, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28445401/tradeoff-in-the-nephron-a-theory-to-explain-the-primacy-of-phosphate-in-the-pathogenesis-of-secondary-hyperparathyroidism
#4
Kenneth R Phelps
Chronic kidney disease (CKD) causes secondary hyperparathyroidism (SHPT). The cardinal features of SHPT are persistence of normocalcemia as CKD progresses and dependence of the parathyroid hormone concentration ([PTH]) on phosphate influx (IP). The tradeoff-in-the-nephron hypothesis integrates these features. It states that as the glomerular filtration rate (GFR) falls, the phosphate concentration ([P]CDN) rises in the cortical distal nephron, the calcium concentration ([Ca]CDN) in that segment falls, and [PTH] rises to maintain normal calcium reabsorption per volume of filtrate (TRCa/GFR)...
April 26, 2017: Nutrients
https://www.readbyqxmd.com/read/28443267/no-impact-of-the-analytical-method-used-for-determining-cystatin-c-on-estimating-glomerular-filtration-rate-in-children
#5
Martin Alberer, Julia Hoefele, Marcus R Benz, Arend Bökenkamp, Lutz T Weber
BACKGROUND: Measurement of inulin clearance is considered to be the gold standard for determining kidney function in children, but this method is time consuming and expensive. The glomerular filtration rate (GFR) is on the other hand easier to calculate by using various creatinine- and/or cystatin C (Cys C)-based formulas. However, for the determination of serum creatinine (Scr) and Cys C, different and non-interchangeable analytical methods exist. Given the fact that different analytical methods for the determination of creatinine and Cys C were used in order to validate existing GFR formulas, clinicians should be aware of the type used in their local laboratory...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28436117/early-introduction-of-oral-paricalcitol-in-renal-transplant-recipients-an-open-label-randomized-study
#6
Hege Kampen Pihlstrøm, Franscesca Gatti, Clara Hammarström, Ivar Anders Eide, Monika Kasprzycka, Junbai Wang, Guttorm Haraldsen, My Hanna Sofia Svensson, Karsten Midtvedt, Geir Mjøen, Dag Olav Dahle, Anders Hartmann, Hallvard Holdaas
In stable renal transplant recipients with hyperparathyroidism, previous studies have indicated that vitamin D agonist treatment might have anti-proteinuric effects. Animal studies indicate possible anti-fibrotic and anti-inflammatory effects. Early introduction of paricalcitol in de-novo renal transplant recipients might reduce proteinuria and prevent progressive allograft fibrosis. We performed a single-centre, prospective, randomized, open-label trial investigating effects of paricalcitol 2μg/day added to standard care...
April 24, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28434703/glomerular-filtration-rate-estimation-in-people-older-than-85-comparison-between-ckd-epi-mdrd-idms-and-bis1-equations
#7
Fernando Bustos-Guadaño, José Luis Martín-Calderón, Juan José Criado-Álvarez, Raquel Muñoz-Jara, Adolfo Cantalejo-Gutiérrez, María Concepción Mena-Moreno
BACKGROUND: The evidence of glomerular filtration rate (GFR) estimating with serum creatinine based formulae in the elderly population is scarce. The purpose of this study is to compare CKD-EPI, MRD4-IDMS and BIS1 equations to analyse correlation and concordance in a population older than 85 years old. PATIENTS AND METHODS: We designed a retrospective cross-sectional study, which included data from 600 patients older than 85 years. GFR was estimated by the following equations: CKD-EPI, MDR4-IDMS and BIS1, using as variables sex, age and serum creatinine concentration...
March 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28423997/do-lipid-microemboli-induce-acute-kidney-injury-during-cardiopulmonary-bypass
#8
Richard Issitt, Tim James, Bronagh Walsh, David Voegeli
BACKGROUND: Acute kidney injury (AKI) following cardiopulmonary bypass affects 5% of patients, representing significant postoperative morbidity and mortality. Animal models have shown an increased uptake of lipid microemboli (LME) into the renal vasculature, potentially indicating ischaemic causation. This study tested a new lipid filtration system (RemoweLL) against a conventional system with no lipid-depleting capacity to determine the efficacy of the filtration system and its effects on renal function...
April 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28423123/n-acetylcysteine-versus-dopamine-to-prevent-acute-kidney-injury-after-cardiac-surgery-in-patients-with-preexisting-moderate-renal-insufficiency
#9
Omer Faruk Savluk, Fusun Guzelmeric, Yasemin Yavuz, Deniz Cevirme, Emre Gurcu, Halide Ogus, Tulay Orki, Tuncer Kocak
Objective: Acute kidney injury after cardiac surgery is associated with mortality and morbidity. Therefore, strategies to prevent acute kidney injury are very important. The aim of this placebo-controlled randomized double-blind study was to compare the prophylactic efficacy of N-Acetylcysteine and dopamine administration in patients with pre-existing moderate renal insufficiency who were undergoing cardiopulmonary bypass. Methods: This study included 135 patients with pre-existing moderate renal insufficiency who were scheduled for coronary artery bypass grafting surgery...
January 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28421157/psoriatic-arthritis-is-an-indicator-of-significant-renal-damage-in-patients-with-psoriasis-an-observational-and-epidemiological-study
#10
Abidullah Khan, Iqbal Haider, Maimoona Ayub, Mohammad Humayun
Background. Psoriasis affects joints in around 30% of the patients. Recent studies have demonstrated an increased risk of essential hypertension, ischemic heart disease, and stroke in psoriatic patients. However, the prevalence of renal disease in patients with psoriasis has not been evaluated properly. Objectives. Objectives were to evaluate renal functions in patients with psoriasis and to assess any possible relationship of renal failure with psoriasis and psoriatic arthritis. Methods. In this cross-sectional study, 30 participants were recruited into the following three groups: group-A, psoriatic arthritis; group-B, psoriasis without arthritis; and group-C, healthy subjects...
2017: International Journal of Inflammation
https://www.readbyqxmd.com/read/28420065/a-five-consecutive-years-study-of-renal-function-outcome-among-biopsy-proven-lupus-nephritis-patients-in-southern-iran
#11
M Pakfetrat, L Malekmakan, M Kamranpour, T Tadayon
Introduction Lupus nephritis (LN) is one of the most common complications of systemic lupus erythematous (SLE) responsible for an increase in mortality and morbidity. This study was conducted to evaluate the outcome for LN patients and factors that correlate with their outcome. Materials and methods We included 80 patients with proved LN and more than three-years follow up at Shiraz University of Medical Sciences. We prepared a data gathering sheet for each patient and extracted the data from patients' file records which existed in the hospital...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28411971/mdrd-or-ckd-epi-for-glomerular-filtration-rate-estimation-in-living-kidney-donors
#12
Carla Burballa, Marta Crespo, Dolores Redondo-Pachón, María José Pérez-Sáez, Marisa Mir, Carlos Arias-Cabrales, Albert Francés, Lluis Fumadó, Lluis Cecchini, Julio Pascual
INTRODUCTION: The evaluation of the measured Glomerular Filtration Rate (mGFR) or estimated Glomerular Filtration Rate (eGFR) is key in the proper assessment of the renal function of potential kidney donors. We aim to study the correlation between glomerular filtration rate estimation equations and the measured methods for determining renal function. MATERIAL AND METHODS: We analysed the relationship between baseline GFR values measured by Tc-(99)m-DTPA (diethylene-triamine-pentaacetate) and those estimated by the four-variable Modification of Diet in Renal Disease (MDRD4) and Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equations in a series of living donors at our institution...
April 12, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28407629/combining-cystatin-c-and-creatinine-yields-a-reliable-glomerular-filtration-rate-estimation-in-older-adults-in-contrast-to-%C3%AE-trace-protein-and-%C3%AE-2-microglobulin
#13
Karin Werner, Mats Pihlsgård, Sölve Elmståhl, Helen Legrand, Ulf Nyman, Anders Christensson
BACKGROUND: The glomerular filtration rate (GFR) is the most important measure of kidney function and chronic kidney disease (CKD). This study aims to validate commonly used equations for estimated GFR (eGFR) based on creatinine (cr), cystatin C (cys), β-trace protein (BTP), and β2-microglobulin (B2M) in older adults. METHOD: We conducted a validation study with 126 participants aged between 72 and 98 with a mean measured GFR (mGFR) by iohexol clearance of 54 mL/min/1...
April 14, 2017: Nephron
https://www.readbyqxmd.com/read/28406084/evidence-that-tmp-gfr-can-be-estimated-with-the-walton-bijvoet-nomogram-in-chronic-kidney-disease%C3%A2
#14
Kenneth R Phelps, Darius L Mason
BACKGROUND: The Walton--Bijvoet nomogram incorporates the assumption that GFR = creatinine clearance (Ccr). It determines phosphate tubular maximum per volume of filtrate (TmP/GFR) from serum phosphorus ([P]s) and fractional excretion of P (FEP), and equates TmP/GFR with actual reabsorption per volume of filtrate (TRP/Ccr) at FEP ≥ 20%. It has not been validated in chronic kidney disease (CKD). METHODS: We studied 28 controls and 30 patients with stages 3 - 4 CKD...
April 13, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28405987/cardiorenal-syndrome-clinical-outcome-study
#15
H R Shah, N P Singh, N P Aggarwal, D Singhania, A Kumar
BACKGROUND: Over recent years, the field of medicine has been challenged by the twin epidemic of heart failure and renal insufficiency. The coexistence of the two problems in the same patient, referred to as cardiorenal syndrome (CRS), is defined as 'disorders of the heart and kidneys whereby acute or chronic dysfunction in one organ may induce acute or chronic dysfunction of the other. The mechanisms underlying this interaction are complex and multifactorial in nature. OBJECTIVE OF STUDY: Identify and classify patients admitted with cardiorenal syndrome into various subtypes and assess clinical outcome at discharge and at three months...
December 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28396736/the-clinical-utility-of-kinetic-glomerular-filtration-rate
#16
Eoin D O'Sullivan, Arthur Doyle
Background: In acutely unwell patients with rapidly changing renal function, estimating glomerular filtration rate (GFR) and predicting adverse renal outcomes are challenging and often inaccurate. Kinetic GFR (kGFR) is an estimate of immediate biomarker clearance derived from two discreet measurements that may better represent acute function. Our objective is to assess the clinical utility of kGFR as a predictive tool and examine the association of kGFR to adverse renal outcomes compared with measurements to traditional estimates...
April 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28392738/the-role-of-laboratory-testing-in-detection-and-classification-of-chronic-kidney-disease-national-recommendations
#17
REVIEW
Vanja Radišić Biljak, Lorena Honović, Jasminka Matica, Branka Krešić, Sanela Šimić Vojak
Chronic kidney disease (CKD) is a common clinical condition with significant adverse consequences for the patient and it is recognized as a significant public health problem. The role of laboratory medicine in diagnosis and management of CKD is of great importance: the diagnosis and staging are based on estimation of glomerular filtration rate (eGFR) and assessment of albuminuria (or proteinuria). Therefore, the joint working group of the Croatian society of medical biochemistry and laboratory medicine and Croatian chamber of medical biochemists for laboratory diagnostics in CKD issued this national recommendation regarding laboratory diagnostics of CKD...
February 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/28391266/interpretation-of-the-fractional-excretion-of-sodium-in-the-absence-of-acute-kidney-injury-a-cross-sectional-study
#18
Michiel F Schreuder, Arend Bökenkamp, Joanna A E van Wijk
BACKGROUND/AIMS: The fractional excretion of sodium (FeNa) may be helpful in establishing the cause of acute renal failure. This study was performed to determine the influence of the glomerular filtration rate (GFR), sodium intake, and tubular function on FeNa in children without renal failure. METHODS: In this single institute cross-sectional study, 24-h-urine collections from patients (4-18 years of age, GFR >60 mL/min/1.73 m2) were used when considered reliable, and analyzed to determine sodium excretion, creatinine clearance and FeNa...
April 8, 2017: Nephron
https://www.readbyqxmd.com/read/28389059/renal-response-to-a-protein-load-in-healthy-young-adults-as-determined-by-iohexol-infusion-clearance-cimetidine-inhibited-creatinine-clearance-and-cystatin-c-estimated-glomerular-filtration-rate
#19
Kyle E Rodenbach, Dana Y Fuhrman, Paula S Maier, George J Schwartz
OBJECTIVE: Renal reserve (RR) measures the increase in glomerular filtration rate (GFR) in response to a protein load; lack of RR could indicate subclinical kidney disease but such a test is not routinely used in clinical practice. The purpose of this study was to compare a meat versus liquid protein load in a cystatin C-based (Cys-C) RR test using cimetidine-inhibited creatinine clearance (Cr Cl) and iohexol infusion clearance (Io Cl) for validation. The design was cross-sectional analysis and the setting was a Clinical Research Center...
April 4, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28385450/predictors-of-upper-tract-damage-in-pediatric-neurogenic-bladder
#20
Raghu Prakash, Archana Puri, Rama Anand, Ajay K Jain, Brahmanand Lal, Vaibhav Garg
INTRODUCTION: Upper tract damage (UTD) is a life-threatening complication of neurogenic bladder (NB). Early identification of risk factors for UTD and institution of remedial measures may probably prevent UTD. The aim was to study the predictors of UTD in children 2 years or older with NB. METHOD: This cross-sectional, observational study over 2 years included 30 children. UTD was defined as serum creatinine of >1 mg/dL or society of fetal urology grade III-IV hydronephrosis or hydroureteronephrosis on ultrasonography or renal scars on (99)(m)technetium dimercaptosuccinic scan or subnormal glomerular filtration rate (GFR) for age...
March 22, 2017: Journal of Pediatric Urology
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