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CKD, eGFR and Slope

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https://www.readbyqxmd.com/read/29446007/significance-of-early-detection-of-acute-kidney-function-worsening-among-outpatients-having-ckd-using-automatic-calculation-system-for-the-rate-of-egfr-decline
#1
Jun Ito, Hirofumi Kita, Takashi Fujisawa
BACKGROUND: To retard progression of chronic kidney disease (CKD) and reduce end-stage kidney disease, it is important to detect acute kidney function worsening on CKD (AW-CKD) immediately and bring back their kidney functions to baselines by appropriate treatment. However, in general outpatient practice, it is difficult to detect the change in the slope of estimated glomerular filtration rate (eGFR). METHODS: We made automatic calculation system for the rate of eGFR decline (ΔeGFR), and retrospectively observed the situation of AW-CKD among outpatients, who had visited all clinical departments of Steel Memorial Hirohata Hospital between May and August 2016, using the system...
February 14, 2018: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29435189/effect-of-metformin-on-kidney-function-in-patients-with-type-2-diabetes-mellitus-and-moderate-chronic-kidney-disease
#2
Wei-Hao Hsu, Pi-Jung Hsiao, Pi-Chen Lin, Szu-Chia Chen, Mei-Yueh Lee, Shyi-Jang Shin
Background: Impaired renal function can lead to the accumulation of metformin, and elevated concentrations of metformin have been associated with lactic acidosis. The aim of this study was to evaluate the effect of continuous metformin treatment in patients with type 2 diabetes mellitus (DM) and moderate chronic kidney disease (CKD) (estimated glomerular filtration rate (eGFR) 30-0 ml/min/1.73 m 2 ) on renal function. Methods: A total of the 616 patients were enrolled from the research database of Kaohsiung Medical University Hospital from January 1 to 2009 and December 31, 2013...
January 12, 2018: Oncotarget
https://www.readbyqxmd.com/read/29409725/treatment-of-rheumatoid-arthritis-with-biologic-agents-lowers-the-risk-of-incident-chronic-kidney-disease
#3
Keiichi Sumida, Miklos Z Molnar, Praveen K Potukuchi, Fatima Hassan, Fridtjof Thomas, Kunihiro Yamagata, Kamyar Kalantar-Zadeh, Csaba P Kovesdy
Rheumatoid arthritis is associated with reduced kidney function, possibly due to chronic inflammation or the use of nephrotoxic therapies. However, little is known about the effects of using the newer novel non-nephrotoxic biologic agents on the risk of incident chronic kidney disease (CKD). To study this we used a cohort of 20,757 United States veterans diagnosed with rheumatoid arthritis with an estimated glomerular filtration rate (eGFR) of 60 mL/min/1.73m2 or more, recruited between October 2004 and September 2006, and followed through 2013...
February 3, 2018: Kidney International
https://www.readbyqxmd.com/read/29390103/non-alcoholic-fatty-liver-disease-and-clinical-outcomes-in-chronic-kidney-disease
#4
Rajkumar Chinnadurai, James Ritchie, Darren Green, Philip A Kalra
Background: Non-alcoholic fatty liver disease (NAFLD) is an independent risk factor associated with cardiovascular disease (CVD) and incidence of chronic kidney disease (CKD). NAFLD is threatening to become a major public health problem in association with the metabolic syndrome. The association of NAFLD with outcomes in patients with advanced CKD has not been evaluated. In this study, the prevalence of NAFLD and its impact on cardiovascular and renal outcomes and mortality were determined in a large secondary care CKD cohort...
January 30, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29325997/reduced-cortical-oxygenation-predicts-a-progressive-decline-of-renal-function-in-patients-with-chronic-kidney-disease
#5
Menno Pruijm, Bastien Milani, Edward Pivin, Agata Podhajska, Bruno Vogt, Matthias Stuber, Michel Burnier
Renal tissue hypoxia is a final pathway in the development and progression of chronic kidney disease (CKD), but whether renal oxygenation predicts renal function decline in humans has not been proven. Therefore, we performed a prospective study and measured renal tissue oxygenation by blood oxygenation level-dependent magnetic resonance imaging (BOLD-MRI) in 112 patients with CKD, 47 with hypertension without CKD, and 24 healthy control individuals. Images were analyzed with the twelve-layer concentric objects method that divided the renal parenchyma in 12 layers of equal thickness and reports the mean R2* value of each layer (a high R2* corresponds to low oxygenation), along with the change in R2* between layers called the R2* slope...
January 9, 2018: Kidney International
https://www.readbyqxmd.com/read/29149476/clinical-parameters-before-and-after-the-transition-to-dialysis
#6
Dugan W Maddux, Len A Usvyat, Terry Ketchersid, Yue Jiao, Tommy C Blanchard, Peter Kotanko, Frank M van der Sande, Jeroen P Kooman, Franklin W Maddux
INTRODUCTION: The transition from pre-dialysis chronic kidney disease (CKD) to post-dialysis start is a critical period associated with high patient mortality and increased hospital admissions. Little is known about the trends of key clinical and laboratory parameters through this time of transition to start dialysis. METHODS: De-identified data including demographics, vital signs, lab results, and eGFR from the Fresenius Medical Care-CKD Registry were analyzed to determine trends in clinical and laboratory parameters through the time of transition from 12 months pre-dialysis start to 12 months post-dialysis start...
November 17, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/29130991/pre-end-stage-renal-disease-hemoglobin-variability-predicts-post-end-stage-renal-disease-mortality-in-patients-transitioning-to-dialysis
#7
Keiichi Sumida, Charles Dyer Diskin, Miklos Z Molnar, Praveen K Potukuchi, Fridtjof Thomas, Jun Ling Lu, Connie M Rhee, Elani Streja, Kunihiro Yamagata, Kamyar Kalantar-Zadeh, Csaba P Kovesdy
BACKGROUND: Hemoglobin variability (Hb-var) has been associated with increased mortality both in non-dialysis dependent chronic kidney disease (NDD-CKD) and end-stage renal disease (ESRD) patients. However, the impact of Hb-var in advanced NDD-CKD on outcomes after dialysis initiation remains unknown. METHODS: Among 11,872 US veterans with advanced NDD-CKD transitioning to dialysis between October 2007 through September 2011, we assessed Hb-var calculated from the residual SD of at least 3 Hb values during the last 6 months before dialysis initiation (prelude period) using within-subject linear regression models, and stratified into quartiles...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28912373/the-association-of-sleep-duration-and-quality-with-ckd-progression
#8
Ana C Ricardo, Kristen Knutson, Jinsong Chen, Lawrence J Appel, Lydia Bazzano, Eunice Carmona-Powell, Janet Cohan, Manjula Kurella Tamura, Susan Steigerwalt, John Daryl Thornton, Matthew Weir, Nicolas F Turek, Mahboob Rahman, Eve Van Cauter, James P Lash
Evidence suggests that sleep disorders are common in individuals with CKD, but the influence of sleep duration and quality on CKD progression is unknown. We examined the association of habitual sleep duration and quality with CKD progression in 431 Chronic Renal Insufficiency Cohort (CRIC) Study participants, of whom 48% were women and 50% had diabetes (mean age of 60 years old, mean eGFR =38 ml/min per 1.73 m2, and median urine protein-to-creatinine ratio [UPCR] =0.20 g/g). We assessed sleep duration and quality by 5-7 days of wrist actigraphy and self-report...
September 14, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28893924/changes-in-albuminuria-and-subsequent-risk-of-incident-kidney-disease
#9
Keiichi Sumida, Miklos Z Molnar, Praveen K Potukuchi, Koshy George, Fridtjof Thomas, Jun Ling Lu, Kunihiro Yamagata, Kamyar Kalantar-Zadeh, Csaba P Kovesdy
BACKGROUND AND OBJECTIVES: Albuminuria is a robust predictor of CKD progression. However, little is known about the associations of changes in albuminuria with the risk of kidney events outside the settings of clinical trials. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: In a nationwide cohort of 56,946 United States veterans with an eGFR≥60 ml/min per 1.73 m2, we examined the associations of 1-year fold changes in albuminuria with subsequent incident CKD (>25% decrease in eGFR reaching <60 ml/min per 1...
September 11, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28765150/heart-failure-increases-the-risk-of-adverse-renal-outcomes-in-patients-with-normal-kidney-function
#10
Lekha K George, Santhosh K G Koshy, Miklos Z Molnar, Fridtjof Thomas, Jun L Lu, Kamyar Kalantar-Zadeh, Csaba P Kovesdy
BACKGROUND: Heart failure (HF) is associated with poor cardiac outcomes and mortality. It is not known whether HF leads to poor renal outcomes in patients with normal kidney function. We hypothesized that HF is associated with worse long-term renal outcomes. METHODS AND RESULTS: Among 3 570 865 US veterans with estimated glomerular filtration rate (eGFR) ≥60 mL min-1 1.73 m-2 during October 1, 2004 to September 30, 2006, we identified 156 743 with an International Classification of Diseases, Ninth Revision, diagnosis of HF...
August 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28700482/beneficial-effects-of-fu-zheng-qu-zhuo-oral-liquid-combined-with-standard-integrated-therapy-in-patients-with-chronic-kidney-disease-stage-3-4-a-randomized-placebo-controlled-clinical-trial
#11
RANDOMIZED CONTROLLED TRIAL
Shen Li, Xiang-Rong Rao, Xi-Wen Dai, Kun Pei, Lee Wang, Bao-Min Huo, Xiu-Juan Wang, Ling-Xin Kong, Nan-Nan Zhang, Feng-Mei Lian
BACKGROUND: The high worldwide prevalence of chronic kidney disease (CKD) is a critical health problem and the development of more effective therapies is urgently needed. We conducted a randomized, double-blinded, placebo-controlled clinical trial from October 2010 to December 2012 to assess whether Fu-Zheng-Qu-Zhuo oral liquid (FZQZ) has a beneficial effect in preventing CKD progression when added to standard integrated therapies. METHODS: Patients with CKD stage 3 to 4 from 3 hospitals in Beijing, China were enrolled...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28317454/comparison-of-methods-for-estimating-glomerular-filtration-rate-in-head-and-neck-cancer-patients-treated-with-cisplatin
#12
Lotte Lindberg, Kasper Brødbæk, Erik G Hägerström, Jens Bentzen, Bent Kristensen, Bo Zerahn
Cisplatin is a chemotherapeutic agent widely used in the treatment of various solid tumors. Cisplatin induces nephrotoxicity and may lead to long-term reduction of kidney function. Consequently, determination of glomerular filtration rate (GFR) is used to monitor potential kidney damage. This study aimed to compare two commonly used algorithms for estimating GFR (eGFR) from plasma creatinine (PCr) with (51)Cr-EDTA clearance (CrCl) as a reference method. This was a retrospective single center study of 94 head and neck cancer patients treated with cisplatin...
March 20, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28282247/effect-of-tenofovir-disoproxil-fumarate-on-incidence-of-chronic-kidney-disease-and-rate-of-estimated-glomerular-filtration-rate-decrement-in-hiv-1-infected-treatment-na%C3%A3-ve-asian-patients-results-from-12-year-observational-cohort
#13
Soichiro Suzuki, Takeshi Nishijima, Yohei Kawasaki, Takuma Kurosawa, Yoshikazu Mutoh, Yoshimi Kikuchi, Hiroyuki Gatanaga, Shinichi Oka
Little evidence is available for the incidence of chronic kidney disease (CKD) and rate of estimated glomerular filtration rate (eGFR) decrement among Asians with low body weight who are susceptible to tenofovir disoproxil fumarate (TDF) nephrotoxicity. In this 12-year observational cohort in Tokyo, we examined 1383 treatment-naïve HIV-1-infected Asians [720 started TDF-containing (TDF group) and 663 started non-TDF-containing (control) combination antiretroviral therapy (cART)]. The CKD incidence was calculated, and the effect of TDF use on CKD development was estimated using logistic regression...
March 2017: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/28195182/prognostic-significance-of-left-ventricular-mass-index-and-renal-function-decline-rate-in-chronic-kidney-disease-g3-and-g4
#14
Jiun-Chi Huang, Szu-Chia Chen, Yi-Chun Tsai, I-Ching Kuo, Yi-Wen Chiu, Jer-Ming Chang, Shang-Jyh Hwang, Hung-Chun Chen
The effect of left ventricular mass index (LVMI) and estimated glomerular filtration rate (eGFR) decline rate on outcome prediction in patients with chronic kidney disease (CKD) remains unclear. We included 306 CKD G3 and G4 patients with LVMI assessed through echocardiography. Rapid decline in renal function was defined as the eGFR slope <-3 mL/min/1.73 m(2)/year. Patients were stratified into four groups using sex-specific median values of LVMI and rapid eGFR decline. The composite outcome was progression to maintenance dialysis or death...
February 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28166521/rationale-and-design-of-a-clinical-trial-investigating-tolvaptan-safety-and-efficacy-in-autosomal-dominant-polycystic-kidney-disease
#15
Vicente E Torres, Olivier Devuyst, Arlene B Chapman, Ron T Gansevoort, Ronald D Perrone, John Ouyang, Jaime D Blais, Frank S Czerwiec, Olga Sergeyeva
BACKGROUND: In TEMPO 3:4, the vasopressin V2-receptor antagonist tolvaptan slowed kidney growth and function decline in autosomal dominant polycystic kidney disease (ADPKD) patients with relatively preserved kidney function. METHODS: Prospective, phase 3b, multi-center, randomized-withdrawal, placebo-controlled, double-blind trial of tolvaptan in ADPKD patients with late stage 2 to early stage 4 chronic kidney disease (CKD). The primary endpoint was estimated glomerular filtration rate (eGFR) change from pre-treatment baseline to post-treatment follow-up...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28154020/comparison-of-performance-of-improved-serum-estimators-of-glomerular-filtration-rate-gfr-to-99m-tc-dtpa-gfr-methods-in-patients-with-hepatic-cirrhosis
#16
COMPARATIVE STUDY
Zaid Haddadin, Vivian Lee, Christopher Conlin, Lei Zhang, Kristi Carlston, Glen Morrell, Daniel Kim, John M Hoffman, Kathryn Morton
Glomerular filtration rate (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 because of inaccuracies in reference methods for measured GFR (mGFR). The primary objective was to compare the performance of 4 improved eGFR equations with 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...
March 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28122944/constipation-and-incident-ckd
#17
Keiichi Sumida, Miklos Z Molnar, Praveen K Potukuchi, Fridtjof Thomas, Jun Ling Lu, Kunihiro Matsushita, Kunihiro Yamagata, Kamyar Kalantar-Zadeh, Csaba P Kovesdy
Constipation is one of the most prevalent conditions in primary care settings and increases the risk of cardiovascular disease, potentially through processes mediated by altered gut microbiota. However, little is known about the association of constipation with CKD. In a nationwide cohort of 3,504,732 United States veterans with an eGFR ≥60 ml/min per 1.73 m 2 , we examined the association of constipation status and severity (absent, mild, or moderate/severe), defined using diagnostic codes and laxative use, with incident CKD, incident ESRD, and change in eGFR in Cox models (for time-to-event analyses) and multinomial logistic regression models (for change in eGFR)...
April 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28077457/systems-biology-derived-biomarkers-to-predict-progression-of-renal-function-decline-in-type-2-diabetes
#18
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 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...
March 2017: Diabetes Care
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
#19
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...
March 2017: 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
#20
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
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