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https://www.readbyqxmd.com/read/28648303/risk-of-esrd-and-mortality-associated-with-change-in-filtration-markers
#1
Casey M Rebholz, Lesley A Inker, Yuan Chen, Menglu Liang, Meredith C Foster, John H Eckfeldt, Paul L Kimmel, Ramachandran S Vasan, Harold I Feldman, Mark J Sarnak, Chi-Yuan Hsu, Andrew S Levey, Josef Coresh
BACKGROUND: Using change in estimated glomerular filtration rate (eGFR) based on creatinine concentration as a surrogate outcome in clinical trials of chronic kidney disease has been proposed. Risk for end-stage renal disease (ESRD) and all-cause mortality associated with change in concentrations of other filtration markers has not been studied in chronic kidney disease populations. STUDY DESIGN: Observational analysis of 2 clinical trials. SETTING & PARTICIPANTS: Participants in the MDRD (Modification of Diet in Renal Disease; n=317) Study and AASK (African American Study of Kidney Disease and Hypertension; n=373)...
June 22, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28646178/increased-glomerular-filtration-rate-and-impaired-contractile-function-of-mesangial-cells-in-trpc6-knockout-mice
#2
Weizu Li, Yanfeng Ding, Crystal Smedley, Yanxia Wang, Sarika Chaudhari, Lutz Birnbaumer, Rong Ma
The present study was conducted to determine if TRPC6 regulates glomerular filtration rate (GFR) and the contractile function of glomerular mesangial cells (MCs). GFR was assessed in conscious TRPC6 wild type and knockout mice, and in anesthetized rats with and without in vivo knockdown of TRPC6 in kidneys. We found that GFR was significantly greater, and serum creatinine level was significantly lower in TRPC6 deficient mice. Consistently, local knockdown of TRPC6 in kidney using TRPC6 specific shRNA construct significantly attenuated Ang II-induced GFR decline in rats...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28602795/predictors-of-postoperative-egfr-change-and-resolution-of-hyperfiltration-in-obese-patients-following-bariatric-surgery
#3
Sinae Lee, Suyeon Park, Mi Kyung Kwak, Hye Ran Kang, Yongjin Kim, Soon Hyo Kwon
BACKGROUND: Bariatric surgery (BS) can improve glomerular hyperfiltration (GHPF). Very few studies identified associative factors with glomerular filtration rate and resolution from GHPF after BS. OBJECTIVES: To investigate the predictors of estimated GFR (eGFR) changes and resolution from GHPF after BS. SETTING: University hospital, Republic of Korea. METHODS: We enrolled patients who underwent BS for obesity from January 2008 to December 2014 and had more than a year of follow-up...
May 4, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28588259/peritumoral-artery-scoring-system-a-novel-scoring-system-to-predict-renal-function-outcome-after-laparoscopic-partial-nephrectomy
#4
Ruiyun Zhang, Guangyu Wu, Jiwei Huang, Oumin Shi, Wen Kong, Yonghui Chen, Jianrong Xu, Wei Xue, Jin Zhang, Yiran Huang
The present study aimed to assess the impact of peritumoral artery characteristics on renal function outcome prediction using a novel Peritumoral Artery Scoring System based on computed tomography arteriography. Peritumoral artery characteristics and renal function were evaluated in 220 patients who underwent laparoscopic partial nephrectomy and then validate in 51 patients with split and total glomerular filtration rate (GFR). In particular, peritumoral artery classification and diameter were measured to assign arteries into low, moderate, and high Peritumoral Artery Scoring System risk categories...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28558802/serum-micro-rna-profiles-in-patients-with-autosomal-dominant-polycystic-kidney-disease-according-to-hypertension-and-renal-function
#5
Ismail Kocyigit, Serpil Taheri, Elif Funda Sener, Eray Eroglu, Fahir Ozturk, Aydin Unal, Kezban Korkmaz, Gokmen Zararsiz, Murat Hayri Sipahioglu, Yusuf Ozkul, Bulent Tokgoz, Oktay Oymak, Tevfik Ecder, Jonas Axelsson
BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) is a common hereditary disorder with unclear disease mechanism. Currently, overt hypertension and increased renal volume are the best predictors of renal function. In this study, we assessed the usefulness of selected circulating microRNAs (miRs) to predict disease progress in a cohort with ADPKD. METHODS: Eighty ADPKD patients (44.6 ± 12.7 years, 40% female, 65% hypertensive) and 50 healthy subjects (HS; 45...
May 30, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28549535/relationships-of-measured-iohexol-gfr-and-estimated-gfr-with-ckd-related-biomarkers-in-children-and-adolescents
#6
Derek K Ng, George J Schwartz, Bradley A Warady, Susan L Furth, Alvaro Muñoz
BACKGROUND: 2 valid and reliable estimated glomerular filtration rate (GFR) equations for the pediatric population have been developed from directly measured GFR data in the Chronic Kidney Disease in Children (CKiD) cohort: the full CKiD and bedside CKiD equations. Although adult GFR estimating equations replicate relationships of measured GFR with biomarkers, it is unclear whether similar patterns exist among children and adolescents with chronic kidney disease (CKD). STUDY DESIGN: Prospective cohort study in children and adolescents...
May 24, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28536123/randomized-controlled-trial-of-mineralocorticoid-receptor-blockade-in-children-with-chronic-kidney-allograft-nephropathy
#7
Mara Medeiros, Luis Velásquez-Jones, Ana M Hernández, Guillermo Ramón-García, Saúl Valverde, Yolanda Fuentes, Arindal Vargas, Mauricio Patiño, Rosalba Pérez-Villalva, Juan Antonio Ortega-Trejo, Jonatan Barrera-Chimal, Norma A Bobadilla
BACKGROUND AND OBJECTIVES: We showed that mineralocorticoid receptor blockade (MRB) prevented acute and chronic cyclosporine nephropathy (CsA-Nx) in the rat. The aim of this translational study was to investigate the effect of long-term eplerenone administration on renal allograft function in children with biopsy-proven chronic allograft nephropathy (CAN). DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Renal transplant children <18 years, biopsy-proven CAN, and a GFR>40 ml/min per 1...
May 23, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28522656/comparison-between-different-measures-of-body-fat-with-kidney-function-decline-and-incident-ckd
#8
Magdalena Madero, Ronit Katz, Rachel Murphy, Anne Newman, Kushang Patel, Joachim Ix, Carmen Peralta, Suzanne Satterfield, Linda Fried, Michael Shlipak, Mark Sarnak
BACKGROUND AND OBJECTIVES: Although anthropometric measures of body fat are associated with development of CKD, they may not be able to distinguish between various forms of fat and therefore may be less accurate than computed tomography (CT) measures. We compared the association of CT and anthropometric measures of obesity with kidney outcomes in the Health Aging and Body Composition Study. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Participants were recruited from March of 1997 through July of 1998...
June 7, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28522654/diabetic-kidney-disease-challenges-progress-and-possibilities
#9
Radica Z Alicic, Michele T Rooney, Katherine R Tuttle
Diabetic kidney disease develops in approximately 40% of patients who are diabetic and is the leading cause of CKD worldwide. Although ESRD may be the most recognizable consequence of diabetic kidney disease, the majority of patients actually die from cardiovascular diseases and infections before needing kidney replacement therapy. The natural history of diabetic kidney disease includes glomerular hyperfiltration, progressive albuminuria, declining GFR, and ultimately, ESRD. Metabolic changes associated with diabetes lead to glomerular hypertrophy, glomerulosclerosis, and tubulointerstitial inflammation and fibrosis...
May 18, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28520084/renal-and-hematologic-side-effects-of-long-term-ivig-therapy-in-patients-with-neurologic-disorders
#10
Aidan A Levine, Todd D Levine, Kathie Clarke, David Saperstein
INTRODUCTION: For patients receiving intravenous immunoglobulin (IVIG), renal and hemolytic side effects are well recognized. However, there is very little data on the effects of chronic IVIG therapy. METHODS: We retrospectively analyzed laboratory data on 166 patients who received IVIG for 12 months with dosing from 0.441 gm/kg/month to 2.58 gm/kg/month, measuring changes in hematocrit and glomerular filtration rates (GFR) at 6 and 12 months. RESULTS: Of the 2,232 infusions, there were no incidents of clinical hemolysis...
May 18, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28515693/rolipram-improves-outcome-in-a-rat-model-of-infant-sepsis-induced-cardiorenal-syndrome
#11
Clark R Sims, Sharda P Singh, Shengyu Mu, Neriman Gokden, Dala Zakaria, Trung C Nguyen, Philip R Mayeux
While the mortality rate associated with sepsis in children has fallen over the years, it still remains unacceptably high. The development of both acute cardiac dysfunction and acute kidney injury during severe sepsis is categorized as type 5 cardiorenal syndrome (CRS) and is poorly understood in infants. To address this lack of understanding and the need for an appropriate animal model in which to conduct relevant preclinical studies, we developed a model of infant sepsis-induced CRS in rat pups then evaluated the therapeutic potential of the phosphodiesterase (PDE) 4 inhibitor, rolipram...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28507057/benefit-of-ezetimibe-added-to-simvastatin-in-reduced-kidney-function
#12
John W Stanifer, David M Charytan, Jennifer White, Yuliya Lokhnygina, Christopher P Cannon, Matthew T Roe, Michael A Blazing
Efficacy of statin-based therapies in reducing cardiovascular mortality in individuals with CKD seems to diminish as eGFR declines. The strongest evidence supporting the cardiovascular benefit of statins in individuals with CKD was shown with ezetimibe plus simvastatin versus placebo. However, whether combination therapy or statin alone resulted in cardiovascular benefit is uncertain. Therefore, we estimated GFR in 18,015 individuals from the IMPROVE-IT (ezetimibe plus simvastatin versus simvastatin alone in individuals with cardiovascular disease and creatinine clearance >30 ml/min) and examined post hoc the relationship of eGFR with end points across treatment arms...
May 15, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28499044/determinants-of-decline-of-renal-function-in-treated-hypertensive-patients-the-campania-salute-network
#13
Costantino Mancusi, Raffaele Izzo, Giovanni de Simone, Maria Viviana Carlino, Grazia Canciello, Eugenio Stabile, Nicola de Luca, Bruno Trimarco, Maria Angela Losi
Background.: Hypertension is a leading cause of chronic kidney disease (CKD) and a decrease in glomerular filtration rate (GFR) is associated with a higher prevalence of hypertension and an increased proportion of suboptimal blood pressure (BP) control. Methods.: To investigate characteristics associated with GFR decline, we selected 4539 hypertensive patients from the Campania Salute Network (mean age 53 ± 11 years) with at least 3 years of follow-up (FU) and no more than Stage III CKD...
May 12, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28497087/renal-function-in-patients-with-diabetic-foot-infection-does-antibiotherapy-affect-it
#14
Roghayeh Akbari, Mostafa Javaniyan, Amir Fahimi, Mahmood Sadeghi
Introduction: Antibiotic treatment (antibiotherapy) of diabetic foot ulcers has been proven to have toxic effect on renal function. Objectives: This study aimed to evaluate renal function in patients with diabetic foot infection. Patients and Methods: This cross-sectional retrospective study was performed on 142 patients with diabetic foot ulcers hospitalized in Shahid Yahyanejad hospital of Babol during 2013. After referring to profile of the patients, they were assigned to participate in two groups: group A consisted of patients receiving antibiotics with a low risk renal toxicity and patients who received antibiotics with a higher risk of renal toxicity were placed in group B...
2017: Journal of Renal Injury Prevention
https://www.readbyqxmd.com/read/28483858/validation-of-a-routine-two-sample-iohexol-plasma-clearance-assessment-of-gfr-and-an-evaluation-of-common-endogenous-markers-in-a-rat-model-of-ckd
#15
Mandy E Turner, Kimberly J Laverty, Paul S Jeronimo, Martin Kaufmann, Glenville Jones, Christine A White, Rachel M Holden, Michael A Adams
Endogenous markers of kidney function are insensitive to early declines in glomerular filtration rate (GFR) and in rodent models, validated, practical alternatives are unavailable. In this study, we determined GFR by modeling the plasma clearance of two compounds, iohexol and inulin, and compared the findings to common endogenous markers. All plasma clearance methods of both iohexol and inulin detected a decline in renal function weeks prior to any increase in endogenous marker. Iohexol plasma clearance and inulin plasma clearance had a very high agreement and minimal bias when using 12-sample models...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28483424/the-effect-of-uremic-solutes-on-the-organic-cation-transporter-2-oct2
#16
Kit Wun Kathy Cheung, Chia-Hsiang Hsueh, Ping Zhao, Timothy W Meyer, Lei Zhang, Shiew-Mei Huang, Kathleen M Giacomini
Chronic kidney disease (CKD) is characterized by the accumulation of uremic solutes; however, little is known about how these solutes affect drug absorption and disposition. The goal of this study was to evaluate the effect of uremic solutes on the organic cation transporter, OCT2, which plays a key role in the renal secretion of many basic drugs. As a second goal, we reviewed the literature to determine if there was evidence for the effect of CKD on the renal secretion of basic drugs. We first screened 72 uremic solutes as inhibitors of [(14)C]-labeled metformin uptake by OCT2...
May 5, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28457076/improvement-in-creatinine-clearance-after-open-heart-surgery-in-infants-as-an-early-indicator-of-surgical-success
#17
Amit Dagan, Ovadia Dagan
BACKGROUND: Early surgical correction of congenital heart malformations in neonates and small infants may be complicated by acute kidney injury (AKI), which is associated with higher morbidity and mortality rates, especially in patients who require dialysis. Glomerular filtration rate (GFR) is considered the best measurement of renal function which, in neonates and infants, is highly dependent on heart function. OBJECTIVES: To determine whether measurements of creatinine clearance after open heart surgery in neonates and young infants can serve as an early indicator of surgical success or AKI...
December 2016: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28449702/quantification-of-renal-function-following-stereotactic-body-radiotherapy-for-pancreatic-cancer-secondary-dosimetric-analysis-of-a-prospective-clinical-trial
#18
Vivek Verma, Abhijeet R Bhirud, Kyle A Denniston, Nathan R Bennion, Chi Lin
BACKGROUND: This is the first known study examining renal function following stereotactic body radiotherapy (SBRT) for pancreatic head adenocarcinoma. METHODS: Thirty-eight borderline-resectable/unresectable patients, part of an ongoing prospective trial, underwent 3 cycles of gemcitabine/5-fluorouracil followed by SBRT (5 daily fractions of 5/6/7/8 Gy) and concurrent nelfinavir. Thereafter, in resectable cases, surgery was performed within 4-8 weeks. The last available pre-SBRT creatinine was recorded, along with the highest post-SBRT value...
April 27, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28432733/variability-in-hba1c-blood-pressure-lipid-parameters-and-serum-uric-acid-and-risk-of-development-of-chronic-kidney-disease-in-type-2-diabetes
#19
Antonio Ceriello, Salvatore De Cosmo, Maria Chiara Rossi, Giuseppe Lucisano, Stefano Genovese, Roberto Pontremoli, Paola Fioretto, Carlo Giorda, Antonio Pacilli, Francesca Viazzi, Giuseppina Russo, Antonio Nicolucci
AIMS: Variability in HbA1c and blood pressure (BP) is associated with the risk of diabetic kidney disease (DKD). No evidence exists on the role of variability in lipids or serum uric acid (UA), or the interplay between the variability of different parameters, on renal outcomes. MATERIALS AND METHODS: Within the AMD Annals database we identified patients with ≥5 measurements of HbA1c, SBP and DBP, total-, HDL- and LDL- cholesterol, triglycerides, and UA. Patients were followed-up for up to 5 years...
April 21, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28420210/predictors-of-active-extravasation-and-complications-after-conventional-angiography-for-acute-intraabdominal-bleeding
#20
Zachary M Haber, Hearns W Charles, Joseph P Erinjeri, Amy R Deipolyi
Conventional angiography is used to evaluate and treat possible sources of intraabdominal bleeding, though it may cause complications such as contrast-induced nephropathy (CIN). The study's purpose was to identify factors predicting active extravasation and complications during angiography for acute intraabdominal bleeding. All conventional angiograms for acute bleeding (January 2013-June 2015) were reviewed retrospectively, including 75 angiograms for intraabdominal bleeding in 70 patients. Demographics, comorbidities, vital signs, complications within one month, and change in hematocrit (ΔHct) and fluids and blood products administered over the 24 h prior to angiography were recorded...
April 18, 2017: Journal of Clinical Medicine
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