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https://www.readbyqxmd.com/read/28077457/systems-biology-derived-biomarkers-to-predict-progression-of-renal-function-decline-in-type-2-diabetes-mellitus
#1
Gert Mayer, Hiddo J L Heerspink, Constantin Aschauer, Andreas Heinzel, Georg Heinze, Alexander Kainz, Judith Sunzenauer, Paul Perco, Dick de Zeeuw, Peter Rossing, Michelle Pena, Rainer Oberbauer
OBJECTIVE: Chronic kidney disease (CKD) in diabetes has a complex molecular and likely multifaceted pathophysiology. We aimed to validate a panel of biomarkers identified using a systems biology approach to predict the individual decline of estimated glomerular filtration rate (eGFR) in a large group of patients with type 2 diabetes mellitus and CKD at various stages. RESEARCH DESIGN AND METHODS: We used publicly available "omics" data to develop a molecular process model of CKD in diabetes and identified a representative parsimonious set of nine molecular biomarkers: chitinase 3-like protein 1, growth hormone 1, hepatocyte growth factor, matrix metalloproteinase (MMP) 2, MMP7, MMP8, MMP13, tyrosine kinase, and tumor necrosis factor receptor-1...
January 11, 2017: Diabetes Care
https://www.readbyqxmd.com/read/27998909/association-of-circulating-biomarkers-adrenomedullin-tnfr1-and-nt-probnp-with-renal-function-decline-in-patients-with-type-2-diabetes-a-french-prospective-cohort
#2
Pierre-Jean Saulnier, Elise Gand, Gilberto Velho, Kamel Mohammedi, Philippe Zaoui, Mathilde Fraty, Jean Michel Halimi, Ronan Roussel, Stéphanie Ragot, Samy Hadjadj
OBJECTIVE: We explored the prognostic value of three circulating candidate biomarkers-midregional-proadrenomedullin (MR-proADM), soluble tumor necrosis factor receptor 1 (sTNFR1), and N-terminal prohormone brain natriuretic peptide (NT-proBNP)-for change in renal function in patients with type 2 diabetes. RESEARCH DESIGN AND METHODS: Outcomes were defined as renal function loss (RFL), ≥40% decline of estimated glomerular filtration rate (eGFR) from baseline, and rapid renal function decline (RRFD), absolute annual eGFR slope <-5 mL/min/year...
December 20, 2016: Diabetes Care
https://www.readbyqxmd.com/read/27932191/iga-nephropathy-clinicopathologic-study-following-the-oxford-classification-progression-peculiarities-and-gender-related-differences
#3
Živile Riispere, Arvydas Laurinavičius, Anne Kuudeberg, Elviira Seppet, Kristin Sepp, Madis Ilmoja, Merike Luman, Külli Kõlvald, Asta Auerbach, Mai Ots-Rosenberg
BACKGROUND AND AIM: Immunoglobulin A nephropathy (IgAN) is the most frequent glomerular disease worldwide and one of the main causes of chronic kidney disease. We aimed to investigate clinicopathological correlations in IgAN patients by gender. MATERIALS AND METHODS: The study was based on a retrospective analysis of renal biopsy data and clinical manifestations of the disease. Consecutive 73 biopsy-proven IgAN cases of male (62%) and female (38%) patients were investigated...
2016: Medicina
https://www.readbyqxmd.com/read/27896857/former-smoking-and-early-and-long-term-graft-outcome-in-renal-transplant-recipients-a-retrospective-cohort-study
#4
Steven Van Laecke, Evi Vanessa Nagler, Patrick Peeters, Francis Verbeke, Wim Van Biesen
Smoking is associated with unfavourable outcome in solid organ transplant recipients. Nicotine may predispose to kidney injury by increasing oxidative stress. We hypothesized that former smoking negatively affects graft outcome in kidney transplant recipients and especially those with delayed graft function (DGF). We included adult recipients of a kidney transplant between January 1(st) 2003 and October 1(st) 2015 at Ghent University Hospital and recorded outcomes until October, 31(st) 2015. We used Kaplan-Meier and multivariable Cox proportional hazard analysis to examine the relationship between former smoking at the time of transplantation and the incidence of 10-year graft loss with and without censoring for death in 1013 participants...
November 28, 2016: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/27875738/heart-rate-response-to-exercise-in-heart-failure-patients-the-prognostic-role-of-metabolic-chronotropic-relation-and-heart-rate-recovery
#5
Pavel Hajdusek, Martin Kotrc, Josef Kautzner, Vojtech Melenovsky, Eva Benesova, Petr Jarolim, Jan Benes
BACKGROUND: The dynamics of the sinus node response to exercise is linked to functional capacity and outcome in heart failure (HF). The goal of the work was to analyze determinants and impacts of cardio-acceleration, described by the concept of metabolic-chronotropic relation (MCR) and of cardio-deceleration, described by heart rate recovery (HRR). METHODS: A cohort of 25 healthy controls and 78 patients with advanced systolic HF and optimized medical and/or device therapy (97% receiving beta-blockers, 54% ICD) underwent maximal cardiopulmonary exercise test and were prospectively followed...
February 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27823902/pth-levels-and-not-serum-phosphorus-levels-are-a-predictor-of-the-progression-of-kidney-disease-in-elderly-patients-with-advanced-chronic-kidney-disease
#6
Néstor Gabriel Toapanta Gaibor, Nathasha Carolina Nava Pérez, Yeleine Martínez Echevers, Rafael Montes Delgado, María Ángeles Guerrero Riscos
BACKGROUND: At present, there is a high incidence of elderly patients with advanced chronic kidney disease (CKD) and it is important to know the long term progression and the factors that influence it. OBJECTIVES: To analyse the progression of advanced CKD in elderly patients and the influence of bone-mineral metabolism. METHODS: Retrospective study of 125 patients ≥70years of age with CKD stages 4-5 who started follow-up from January 1, 2007 to December 31, 2008, showing the progression of CKD (measured by the slope of the regression line of the estimated glomerular filtration rate [eGFR] by MDRD-4) over 5years...
November 4, 2016: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/27798200/reduction-of-cortical-oxygenation-in-chronic-kidney-disease-evidence-obtained-with-a-new-analysis-method-of-blood-oxygenation-level-dependent-magnetic-resonance-imaging
#7
Bastien Milani, Annalisa Ansaloni, Sofia Sousa-Guimaraes, Nima Vakilzadeh, Maciej Piskunowicz, Bruno Vogt, Matthias Stuber, Michel Burnier, Menno Pruijm
BACKGROUND: Determinations of renal oxygenation by blood oxygenation level-dependent magnetic resonance imaging (BOLD-MRI) in chronic kidney disease (CKD) patients have given heterogeneous results, possibly due to the lack of a reproducible method to analyse BOLD-MRI. It therefore remains uncertain whether patients with CKD have a reduced renal tissue oxygenation. We developed a new method to analyse BOLD-MRI signals and applied it to CKD patients and controls. METHODS: MRI was performed under standardized conditions before and 15 min after IV furosemide in 104 CKD patients, 61 hypertensives and 42 controls...
October 17, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27798197/the-closure-of-arteriovenous-fistula-in-kidney-transplant-recipients-is-associated-with-an-acceleration-of-kidney-function-decline
#8
Laurent Weekers, Pauline Vanderweckene, Hans Pottel, Diego Castanares-Zapatero, Catherine Bonvoisin, Etienne Hamoir, Sylvie Maweja, Jean-Marie Krzesinski, Pierre Delanaye, François Jouret
BACKGROUND: The creation of arteriovenous fistula (AVF) may retard chronic kidney disease progression in the general population. Conversely, the impact of AVF closure on renal function in kidney transplant recipients (KTRs) remains unknown. METHODS: From 2007 to 2013, we retrospectively categorized 285 KTRs into three groups: no AVF (Group 0, n = 90), closed AVF (Group 1, n = 114) and left-open AVF (Group 2, n = 81). AVF closure occurred at 653 ± 441 days after kidney transplantation (KTx), with a thrombosis:ligation ratio of 19:95...
October 17, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27754262/os-37-05-long-term-visit-to-visit-variability-of-systolic-blood-pressure-and-decline-in-renal-function-in-hypertensive-patients-over-15-years
#9
Hooi Min Lim, Yook Chin Chia, Siew Mooi Ching
OBJECTIVE: We aim to examine the relationship between visit-to-visit systolic blood pressure variability (BPV) and decline in renal function in patients with hypertension and determine the level of systolic BPV that contribute to significant renal function decline. DESIGN AND METHOD: This is a 15-year (1998-2012) retrospective cohort study of 825 hypertensive patients with normal renal function at baseline in a primary care clinic. Three monthly blood pressure readings per year were retrieved from the 15 years of clinic visits...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27729571/genome-wide-association-of-ckd-progression-the-chronic-renal-insufficiency-cohort-study
#10
Afshin Parsa, Peter A Kanetsky, Rui Xiao, Jayanta Gupta, Nandita Mitra, Sophie Limou, Dawei Xie, Huichun Xu, Amanda Hyre Anderson, Akinlolu Ojo, John W Kusek, Claudia M Lora, L Lee Hamm, Jiang He, Niina Sandholm, Janina Jeff, Dominic E Raj, Carsten A Böger, Erwin Bottinger, Shabnam Salimi, Rulan S Parekh, Sharon G Adler, Carl D Langefeld, Donald W Bowden, Per-Henrik Groop, Carol Forsblom, Barry I Freedman, Michael Lipkowitz, Caroline S Fox, Cheryl A Winkler, Harold I Feldman
The rate of decline of renal function varies significantly among individuals with CKD. To understand better the contribution of genetics to CKD progression, we performed a genome-wide association study among participants in the Chronic Renal Insufficiency Cohort Study. Our outcome of interest was CKD progression measured as change in eGFR over time among 1331 blacks and 1476 whites with CKD. We stratified all analyses by race and subsequently, diabetes status. Single-nucleotide polymorphisms (SNPs) that surpassed a significance threshold of P<1×10(-6) for association with eGFR slope were selected as candidates for follow-up and secondarily tested for association with proteinuria and time to ESRD...
October 11, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27647852/patterns-of-estimated-glomerular-filtration-rate-decline-leading-to-end-stage-renal-disease-in-type-1-diabetes
#11
Jan Skupien, James H Warram, Adam M Smiles, Robert C Stanton, Andrzej S Krolewski
OBJECTIVE: The patterns of estimated glomerular filtration rate (eGFR) decline to end-stage renal disease (ESRD) in patients with type 1 diabetes has not been conclusively described. Decline could be linearly progressive to ESRD but with a variable rate. Conversely, decline may be linear but interrupted by periods of plateaus or improvements. RESEARCH DESIGN AND METHODS: This observational study included 364 patients with type 1 diabetes attending the Joslin Clinic who developed ESRD between 1991 and 2013...
December 2016: Diabetes Care
https://www.readbyqxmd.com/read/27643227/os-37-05-long-term-visit-to-visit-variability-of-systolic-blood-pressure-and-decline-in-renal-function-in-hypertensive-patients-over-15-years
#12
Hooi Min Lim, Yook Chin Chia, Siew Mooi Ching
OBJECTIVE: We aim to examine the relationship between visit-to-visit systolic blood pressure variability (BPV) and decline in renal function in patients with hypertension and determine the level of systolic BPV that contribute to significant renal function decline. DESIGN AND METHOD: This is a 15-year (1998-2012) retrospective cohort study of 825 hypertensive patients with normal renal function at baseline in a primary care clinic. Three monthly blood pressure readings per year were retrieved from the 15 years of clinic visits...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27624917/does-response-rate-of-chemotherapy-with-molecular-target-agents-correlate-with-the-conversion-rate-and-survival-in-patients-with-unresectable-colorectal-liver-metastases-a-systematic-review
#13
M Okuno, E Hatano, H Nishino, S Seo, K Taura, S Uemoto
PURPOSE: This study aimed to evaluate whether the response rate of chemotherapy with molecular target agents correlates with the conversion rate, R0 resection rate, and survival in patients with initially unresectable colorectal liver metastases (CRLM). METHODS: We reviewed the literature of prospective, controlled trials of systemic chemotherapy for patients with unresectable liver-only CRLM, including resectable extrahepatic metastases. Pearson's correlation coefficients were calculated...
August 31, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27593903/comparing-the-gfr-estimation-equations-using-both-creatinine-and-cystatin-c-to-predict-the-long-term-renal-outcome-in-type-2-diabetic-nephropathy-patients
#14
Yu Pan, Song Jiang, Dandan Qiu, Jingsong Shi, Minlin Zhou, Yu An, Yongchun Ge, Honglang Xie, Zhihong Liu
AIMS: This study aimed to determine whether eGFRcre-cys and its slope could improve the prediction of the long-term renal outcome in patients with type 2 diabetic nephropathy (DN). METHODS: The cross-sectional and longitudinal analyses included 501 type 2DN patients from 2003 to 2009. GFR was estimated using either eGFRcre-cys or the serum creatinine-based equation (eGFRcre) or the cystatin C-based equation (eGFRcys), and was classified into 3 categories (≥90, 60-90, ≤60ml/min per 1...
November 2016: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/27569934/an-improved-classification-of-kidney-function-recovery-using-estimated-glomerular-filtration-rate-slope-post-transplantation
#15
M Hassanain, E Simoneau, S A Doi, M-J Hebert, P Metrakos, J Tchervenkov
BACKGROUND: The impact of renal function recovery on graft survival was examined using estimated glomerular filtration rate (eGFR) slope after kidney transplantation (GAP classification); this was compared to the conventional classification of immediate graft function (IGF), slow graft function (SGF), and delayed graft function (DGF). MATERIALS AND METHODS: Overall, 541 cases of cadaveric renal transplants were reviewed from a prospective transplant database. eGFR and its slope were measured using the harmonic mean over the first week post-transplantation...
July 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27557557/risk-factors-for-progression-in-children-and-young-adults-with-iga-nephropathy-an-analysis-of-261-cases-from-the-valiga-european-cohort
#16
Rosanna Coppo, Danilo Lofaro, Roberta R Camilla, Shubha Bellur, Daniel Cattran, H Terence Cook, Ian S D Roberts, Licia Peruzzi, Alessandro Amore, Francesco Emma, Laura Fuiano, Ulla Berg, Rezan Topaloglu, Yelda Bilginer, Loreto Gesualdo, Rosaria Polci, Malgorzata Mizerska-Wasiak, Yasar Caliskan, Sigrid Lundberg, Giovanni Cancarini, Colin Geddes, Jack Wetzels, Andrzej Wiecek, Magdalena Durlik, Stefano Cusinato, Cristiana Rollino, Milena Maggio, Manuel Praga, Hilde K Smerud, Vladimir Tesar, Dita Maixnerova, Jonathan Barratt, Teresa Papalia, Renzo Bonofiglio, Gianna Mazzucco, Costantinos Giannakakis, Magnus Soderberg, Diclehan Orhan, Anna Maria Di Palma, Jadwiga Maldyk, Yasemin Ozluk, Birgitta Sudelin, Regina Tardanico, David Kipgen, Eric Steenbergen, Henryk Karkoszka, Agnieszka Perkowska-Ptasinska, Franco Ferrario, Eduardo Gutierrez, Eva Honsova
BACKGROUND: There is a need for early identification of children with immunoglobulin A nephropathy (IgAN) at risk of progression of kidney disease. METHODS: Data on 261 young patients [age <23 years; mean follow-up of 4.9 (range 2.5-8.1) years] enrolled in VALIGA, a study designed to validate the Oxford Classification of IgAN, were assessed. Renal biopsies were scored for the presence of mesangial hypercellularity (M1), endocapillary hypercellularity (E1), segmental glomerulosclerosis (S1), tubular atrophy/interstitial fibrosis (T1-2) (MEST score) and crescents (C1)...
January 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/27508725/-op-4d-06-reduction-of-cortical-oxygenation-in-chronic-kidney-disease-evidence-obtained-with-bold-mri-and-a-new-analytic-technique
#17
B Milani, A Ansaloni, S Sousa-Guimaraes, M Piskunowicz, B Vogt, M Stuber, M Burnier, M Pruijm
OBJECTIVE: The determination of renal tissue oxygenation by BOLD-MRI in chronic kidney disease (CKD) patients has given heterogeneous results, possibly due to the lack of a widely accepted procedure to analyze the R2* maps. We present a new technique for the analysis of renal BOLD-MRI called the twelve-layer concentric objects method (TLCO). We measured its reproducibility and assessed whether differences in the intra-renal distribution of R2* as a measure of oxygenation were detected between CKD patients and controls...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27488612/the-new-asian-modified-ckd-epi-equation-leads-to-more-accurate-gfr-estimation-in-chinese-patients-with-ckd
#18
Jinghua Wang, Peng Xie, Jian-Min Huang, Yan Qu, Fang Zhang, Ling-Ge Wei, Peng Fu, Xiao-Jie Huang
OBJECTIVE: To verify whether the new Asian modified CKD-EPI equation improved the performance of original one in determining GFR in Chinese patients with CKD. METHOD: A well-designed paired cohort was set up. Measured GFR (mGFR) was the result of (99m)Tc-diethylene triamine pentaacetic acid ((99m)Tc-DTPA) dual plasma sample clearance method. The estimated GFR (eGFR) was the result of the CKD-EPI equation (eGFR1) and the new Asian modified CKD-EPI equation (eGFR2)...
December 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27459536/urinary-haptoglobin-predicts-rapid-renal-function-decline-in-asians-with-type-2-diabetes-and-early-kidney-disease
#19
Jian-Jun Liu, Sylvia Liu, Melvin D S Wong, Resham Lal Gurung, Su Chi Lim
CONTEXT: A recent study suggested that urinary haptoglobin may be a novel biomarker to improve predictive performance of albuminuria in type 2 diabetes mellitus (T2DM). However, the finding has not been externally validated. OBJECTIVE: The objective of the study was to evaluate whether urinary haptoglobin improves predictive performance of albuminuria in Asian T2DM with an estimated glomerular filtration rate (eGFR) of 30 mL/min per 1.73 m(2) or greater. DESIGN AND PARTICIPANTS: This was a prospective study with 269 T2DM nonprogressors (eGFR changes 0...
October 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27389019/efficacy-of-the-essential-amino-acids-and-keto-analogues-on-the-ckd-progression-rate-in-real-practice-in-russia-city-nephrology-registry-data-for-outpatient-clinic
#20
Alexander Zemchenkov, Irina N Konakova
BACKGROUND: Renal replacement therapy (RRT) is growing by 10 % per year in Russia, but pre-dialysis care which can retard CKD progression and delay the start of RRT remains limited. We evaluate the effect of Essential Amino Acids and Keto-analogues (EAA/KA) on CKD progression. METHODS: The effect of low protein diet (LPD), supplemented by EAA/KA, on GFR slope changes between first and second treatment period (five sequential visits per period) in 96 patients withs CKD Stage 3B-5 was compared to GFR slope changes in the control group of 96 patients, randomly selected from matched (by gender, age, diagnosis and CKD Stage) cohort of 320 patients from the city Registry...
2016: BMC Nephrology
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