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https://www.readbyqxmd.com/read/28042109/a-new-mouse-model-of-hemorrhagic-shock-induced-acute-kidney-injury
#1
Lei Wang, Jiangping Song, Jacentha Buggs, Jin Wei, Shaohui Wang, Jie Zhang, Gensheng Zhang, Yan Lu, Kay-Pong Yip, Ruisheng Liu
Current animal models of hemorrhagic shock-induced acute kidney injury (HS-induced AKI) require extensive surgical procedures and constant monitoring of hemodynamic parameters. Application of these HS-induced AKI models in mice to produce consistent kidney injury is challenging. In the present study, we developed a simple and highly reproducible mouse model of HS-induced AKI by combining moderate bleeding and renal pedicle clamping, which was abbreviated as HS-AKI. HS was induced by retroorbital bleeding of 0...
January 1, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28035325/effect-of-neoadjuvant-chemotherapy-on-renal-function-following-radical-cystectomy-is-there-a%C3%A2-meaningful-impact
#2
Thenappan Chandrasekar, Neil Pugashetti, Blythe Durbin-Johnson, Marc A Dall'Era, Christopher P Evans, Ralph W deVere White, Stanley A Yap
Objective: To evaluate the patterns of impact of neoadjuvant chemotherapy (NAC) on renal function across the initial year following treatment for muscle-invasive bladder cancer (MIBC) with radical cystectomy (RC). Methods: We reviewed the charts of 241 patients who underwent RC for urothelial carcinoma of the bladder between 2003-14 at our institution. Renal function was evaluated at multiple time points (pre-chemotherapy, pre-operatively, post-operatively, 6-12 months follow-up), and then classified by CKD staging...
October 27, 2016: Bladder Cancer
https://www.readbyqxmd.com/read/28031345/identifying-subgroups-of-renal-function-trajectories
#3
Julie Boucquemont, Lucie Loubère, Marie Metzger, Christian Combe, Bénédicte Stengel, Karen Leffondre
BACKGROUND: Renal function in patients with chronic kidney disease (CKD) may follow different trajectory profiles. The aim of this study was to evaluate and illustrate the ability of the latent class linear mixed model (LCMM) to identify clinically relevant subgroups of renal function trajectories within a multicenter hospital-based cohort of CKD patients. METHODS: We analysed data from the NephroTest cohort including 1967 patients with all-stage CKD at baseline who had glomerular filtration rate (GFR) both measured by (51)Cr-EDTA renal clearance (mGFR) and estimated by the CKD-EPI equation (eGFR); 1103 patients had at least two measurements...
December 28, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28011276/excised-parenchymal-mass-during-partial-nephrectomy-functional-implications
#4
W Dong, Z Zhang, J Zhao, J Wu, C Suk-Ouichai, D Aguilar Palacios, E Carabello Antonio, S Babbar, E M Remer, J Li, S Isharwal, J Zabell, S C Campbell
OBJECTIVE: To evaluate whether excised parenchymal mass (EPM) during partial nephrectomy (PN) correlates with functional decline and can serve as a surrogate for functional outcomes. MATERIALS AND METHODS: All 215 patients managed with PN for unifocal renal mass with necessary studies to determine EPM and percent glomerular filtration rate (GFR) and parenchymal mass preserved (both global and specific to the operated kidney) were analyzed. EPM was estimated from the pathologic specimen by subtracting the tumor mass from specimen mass, with both calculated using the elliptical formula...
December 20, 2016: Urology
https://www.readbyqxmd.com/read/28002317/factors-associated-with-lower-extremity-atherosclerotic-disease-in-chinese-patients-with-type-2-diabetes-mellitus-a-case-control-study
#5
Qingge Gao, Binbin He, Chaoyu Zhu, Yuanyuan Xiao, Li Wei, Weiping Jia
Early detection and treatment of lower extremity atherosclerotic disease (LEAD), and controlling its risk factors are critical in preventing amputation and death in diabetic patients. This study aimed to investigate the factors associated with LEAD in Chinese diabetic patients.In this case-control study, patients with type 2 diabetes mellitus (T2DM) (N = 1289) were divided into 2 groups according to the ultrasonic Doppler examination: with (LEAD+, n = 737) and without (LEAD-, n = 552) LEAD. In subgroup analysis, the LEAD+ group was divided based on the diameter of lower-extremity arteries: LEAD+A (1%-49% reduction) and LEAD+B (≥50% reduction)...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28001185/serum-uric-acid-and-its-association-with-hypertension-early-nephropathy-and-chronic-kidney-disease-in-type-2-diabetic-patients
#6
Mohamed Fouad, Hoda Fathy, Amal Zidan
INTRODUCTION: Early detection diabetic nephropathy (DN) is important. Whether serum uric acid (SUA) has a role in the development of DN is not known. OBJECTIVE: To study the relationship between SUA and hypertension, early nephropathy and progression of chronic kidney disease (CKD) in type 2 diabetes mellitus (T2DM). METHODS: The total number of the study was 986 participants, according to presence and duration of diabetes were classified into three groups...
December 2016: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
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
#7
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/27978513/an-overview-of-errors-and-flaws-of-estimated-gfr-versus-true-gfr-in-patients-with-diabetes-mellitus
#8
Sergio Luis-Lima, Esteban Porrini
The determination of renal function is crucial in patients with type 2 diabetes (T2DM), a population at risk for chronic kidney disease (CKD). Glomerular filtration rate (GFR) can be measured (mGFR) with gold standard methods or estimated (eGFR) with formulas. Since 1957, when Effersoe published the first formula, more than 50 equations have been developed to estimate GFR. In this review, we examined the studies that compared mGFR and eGFR in patients with T2DM to analyze the performance of those formulae in this population...
December 16, 2016: Nephron
https://www.readbyqxmd.com/read/27974318/a-perspective-on-chronic-kidney-disease-progression
#9
Jianyong Zhong, HaiChun Yang, Agnes B Fogo
Chronic kidney disease (CKD) will progress to end stage without treatment, but the decline of renal function may not be linear. Compared to GFR and proteinuria, new surrogate markers, such as KIM-1, NGAL, apoA-IV, and soluble urokinase receptor (suPAR), may allow potential intervention and treatment in the earlier stages of CKD, which could be useful for clinical trials. New omic-based technologies reveal potential new genomic and epigenomic mechanisms which appear different from those causing the initial disease...
December 14, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27932191/iga-nephropathy-clinicopathologic-study-following-the-oxford-classification-progression-peculiarities-and-gender-related-differences
#10
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/27931097/novel-chlorinated-polyfluorinated-ether-sulfonates-and-legacy-per-polyfluoroalkyl-substances-placental-transfer-and-relationship-with-serum-albumin-and-glomerular-filtration-rate
#11
Yitao Pan, Yingshuang Zhu, Tongzhang Zheng, Qianqian Cui, Stephen L Buka, Bin Zhang, Yong Guo, Wei Xia, Leo W Y Yeung, Yuanyuan Li, Aifen Zhou, Lin Qiu, Hongxiu Liu, Minmin Jiang, Chuansha Wu, Shunqing Xu, Jiayin Dai
Per- and polyfluoroalkyl substances (PFASs) may cross the placental barrier and lead to fetal exposure. However, little is known about the factors that influence maternal-fetal transfer of these chemicals. PFAS concentrations were analyzed in 100 paired samples of human maternal sera collected in each trimester and cord sera at delivery; these samples were collected in Wuhan, China, 2014. Linear regression was used to estimate associations of transfer efficiencies with factors. Chlorinated polyfluorinated ether sulfonates (Cl-PFAESs, 6:2 and 8:2) were frequently detected (>99%) in maternal and cord sera...
January 3, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/27925141/nutritional-interventions-that-slow-the-age-associated-decline-in-renal-function-in-a-canine-geriatric-model-for-elderly-humans
#12
J A Hall, M Yerramilli, E Obare, M Yerramilli, K S Panickar, G Bobe, D E Jewell
OBJECTIVE: To determine the effects of feeding traditional and renal protective foods (RPF) supplemented with functional food bioactives on glomerular filtration rate (GFR), lean body percent (LB%), and selected circulating biomarker and metabolite concentrations in a geriatric dog model. DESIGN: Randomized block design and cross-sectional study. SETTING: Hill's Pet Nutrition, Inc. dog colony. PARTICIPANTS: Eighty-one geriatric dogs (mean age, 10...
2016: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/27920153/urine-osmolality-response-to-tolvaptan-and-outcome-in-autosomal-dominant-polycystic-kidney-disease-results-from-the-tempo-3-4-trial
#13
Olivier Devuyst, Arlene B Chapman, Ron T Gansevoort, Eiji Higashihara, Ronald D Perrone, Vicente E Torres, Jaime D Blais, Wen Zhou, John Ouyang, Frank S Czerwiec
The vasopressin-cAMP-osmolality axis is abnormal in autosomal dominant polycystic kidney disease (ADPKD). In the Tolvaptan Efficacy and Safety in Management of Autosomal Dominant Polycystic Kidney Disease and Its Outcomes 3:4 Trial, a 3-year randomized, placebo-controlled trial in adults, the vasopressin V2 receptor antagonist tolvaptan slowed ADPKD progression in patients with preserved GFR. Here, we investigated the determinants of baseline urine osmolality (Uosm) and its value as a severity marker of ADPKD, the factors influencing the response to tolvaptan, and whether change in Uosm associated with key trial end points...
December 5, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27888584/small-molecule-inhibiting-nf-kb-ameliorates-oxidative-stress-and-suppresses-renal-inflammation-in-early-stage-of-alloxan-induced-diabetic-nephropathy-in-rat
#14
Manash P Borgohain, Mangala Lakhar, Sahabuddin Ahmed, Liakat Chowdhury, Saurabh Kumar, Rajat Pant, Abhinav Choubey
Diabetic nephropathy is one of the major microvascular complications of diabetes mellitus which ultimately gives rise to cardiovascular diseases. Oxidative stress produced by prolonged hyperglycaemia and chronic renal inflammation are the two key players in the development and progression of diabetic nephropathy. NF-kB-mediated inflammatory cascade is a strong contributor to the renovascular inflammation in diabetic nephropathy. Here, we studied the effects of piceatannol, a potent NF-kB inhibitor, on various oxidative stress markers and diabetic renal inflammatory pathway in rat induced by alloxan...
November 26, 2016: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27887750/chronic-kidney-disease
#15
REVIEW
Angela C Webster, Evi V Nagler, Rachael L Morton, Philip Masson
The definition and classification of chronic kidney disease (CKD) have evolved over time, but current international guidelines define this condition as decreased kidney function shown by glomerular filtration rate (GFR) of less than 60 mL/min per 1·73 m(2), or markers of kidney damage, or both, of at least 3 months duration, regardless of the underlying cause. Diabetes and hypertension are the main causes of CKD in all high-income and middle-income countries, and also in many low-income countries. Incidence, prevalence, and progression of CKD also vary within countries by ethnicity and social determinants of health, possibly through epigenetic influence...
November 22, 2016: Lancet
https://www.readbyqxmd.com/read/27885585/the-conundrums-of-chronic-kidney-disease-and-aging
#16
REVIEW
Richard J Glassock, Aleksandar Denic, Andrew D Rule
Chronic kidney disease (CKD), as presently defined, is a common disorder. Aging is a nearly universal phenomenon that can affect renal anatomy and function, but at variable rates in individuals. Loss of nephrons and a decline in glomerular filtration rate (GFR) is a characteristic of normal aging, called renal senescence. Using fixed and absolute thresholds for defining CKD on the basis of GFR for all ages may lead to diagnostic uncertainty (a conundrum) in both young and older subjects. This brief review will consider the physiological and anatomical changes of the kidney occurring in the process of normal renal senescence focusing on GFR and will examine the relevance of these observation for the diagnosis of CKD using GFR as the distinguishing parameter...
November 25, 2016: Journal of Nephrology
https://www.readbyqxmd.com/read/27873229/subclinical-kidney-damage-in-hypertensive-patients-a-renal-window-opened-on-the-cardiovascular-system-focus-on-microalbuminuria
#17
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/27846810/competing-risk-of-death-and-end-stage-renal-disease-in-incident-chronic-kidney-disease-stages-3-to-5-the-epiran-community-based-study
#18
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/27827311/comparative-effectiveness-of-second-line-agents-for-the-treatment-of-diabetes-type-2-in-preventing-kidney-function-decline
#19
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...
December 7, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/27814282/nephroprotective-effects-of-remote-ischemic-preconditioning-in-coronary-angiography
#20
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
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