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Creatinine clearance

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https://www.readbyqxmd.com/read/28429121/renovascular-hypertension-results-in-adulthood-of-renal-autotransplantation-performed-in-children
#1
Bertrand Chavent, Ambroise Duprey, Marie-Pierre Lavocat, Christine Fichtner, Anne-Marie Beraud, Jean-Noel Albertini, Jean-Pierre Favre, Nicolas Maillard, Xavier Barral
BACKGROUND: This study describes the long-term results of renal autotransplantation for renovascular hypertension performed in children who are now 21 years of age or older. METHODS: Sixteen children (4 boys, 12 girls) with a mean age of 11.2 years at the time of the procedure underwent ex-vivo surgery at the university hospital of Saint-Etienne between 1992 and 2008. Acetylsalicylic acid was used for antiplatelet therapy in the postoperative period, without routine anticoagulation...
April 20, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28426831/representation-and-reporting-of-kidney-disease-in-cerebrovascular-disease-a-systematic-review-of-randomized-controlled-trials
#2
Ioannis Konstantinidis, Shanti Patel, Marianne Camargo, Achint Patel, Priti Poojary, Steven G Coca, Girish N Nadkarni
Patients with kidney disease (KD) are at increased risk for cerebrovascular disease (CVD) and CVD patients with KD have worse outcomes. We aimed to determine the representation of KD patients in major randomized controlled trials (RCTs) of CVD interventions. We searched MEDLINE for reports of major CVD trials published through February 9, 2017. We excluded trials that did not report mortality outcomes, enrolled fewer than 100 participants, or were subgroup, follow-up, or post-hoc analyses. Two independent reviewers performed study selection and data extraction...
2017: PloS One
https://www.readbyqxmd.com/read/28424504/prevalence-and-factors-associated-with-erectile-dysfunction-in-patients-with-chronic-kidney-disease-on-conservative-treatment
#3
M R Costa, V C Ponciano, T R Costa, A M de Oliveira, C P Gomes, E C de Oliveira
Population with chronic kidney disease (CKD) has had many problems, and some of these have arisen from sexual disorders. The present study intends to determine the prevalence and the associated factors with erectile dysfunction (ED) among patients with CKD on conservative treatment (CKDCT). This transversal study was conducted from May 2013 to December 2015. The tools used were: medical records and the International Index of Erectile Function. Data were analyzed by univariate and multivariate logistic regression analysis...
April 20, 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/28422412/histological-evolution-of-bk-virus-associated-nephropathy-importance-of-integrating-clinical-and-pathological-findings
#4
Cinthia B Drachenberg, John C Papadimitriou, Muhammad R Chaudhry, Richard Ugarte, Manju Mavanur, Beje Thomas, Charles Cangro, Nadiesda Costa, Emilio Ramos, Matthew R Weir, Abdolreza Haririan
Long term clinicopathological studies of BK-associated nephropathy (PyVAN) are not available. We studied 206 biopsies (71 patients), followed 3.09±1.46y after immunosuppression reduction. The biopsy features (% SV40+staining and inflammation +/- acute rejection) were correlated with viral load dynamics and serum creatinine to define the clinicopathological status (PyVCPS). Incidence of acute rejection was 28% in the 2(nd) biopsy and 50% subsequently (25% mixed TCMR+AMR; rejection overall affected 38% of patients (>50% AMR)...
April 19, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28417592/individualising-the-dose-of-allopurinol-in-patients-with-gout
#5
Diluk R W Kannangara, Garry G Graham, Daniel F B Wright, Sophie L Stocker, Ian Portek, Kevin D Pile, Murray L Barclay, Kenneth M Williams, Lisa K Stamp, Richard O Day
AIMS: The aims of the study were to 1) determine if a plasma oxypurinol concentration-response relationship or an allopurinol dose-response relationship best predicts the dose requirements of allopurinol in the treatment of gout; and, 2) to construct a nomogram for calculating the optimum maintenance dose of allopurinol to achieve target serum urate (SU) concentrations. METHODS: A non-linear regression analysis was used to examine the plasma oxypurinol concentration- and allopurinol dose-response relationships with serum urate...
April 18, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28417217/levels-of-cystatin-c-in-low-and-high-flux-hemodialysis-in-children-with-end-stage-renal-disease
#6
Fatina I Fadel, Abbass A Mourad, Azza M O Abdel Rahman, Hafez M Bazaraa, Mohamed Farouk Mohamed, Dalia H El-Lebedy, Mohamed M Soliman
BACKGROUND: Cystatin-C (CyC) is a middle molecule that is freely filtered at the glomerulus and almost completely reabsorbed by the proximal tubules. The aim of this study was to evaluate serum CyC and its reduction ratio as a biomarker for assessing the adequacy of the hemodialysis (HD) sessions in children with end-stage renal disease on maintenance HD. We also compared levels of CyC in patients on low-flux HD (LFH) and high-flux HD (HFH). METHODS: Forty patients were included in the study and divided into two groups, with one group (16 patients) receiving HFH and the other group receiving LFH (24 patients) (high-flux and low-flux polysulfone filters, respectively)...
April 17, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28417195/rrx-001-protects-against-cisplatin-induced-toxicities
#7
Bryan Oronsky, Tony R Reid, Christopher Larson, Corey A Carter, Christina E Brzezniak, Arnold Oronsky, Pedro Cabrales
PURPOSE: RRx-001, a minimally toxic tumor-associated macrophage and neutrophil-repolarizing agent, is under investigation in Phase II clinical trials as a sensitizer/resensitizer to cisplatin and carboplatin. On the basis of anecdotal clinical observations of improved platinum tolerability following a priming period with RRx-001 as well as preclinical studies that have previously demonstrated radioprotection of intestinal stem cells and cardioprotection from doxorubicin, the in vivo cytoprotective potential of RRx-001 pretreatment against cisplatin-induced bone marrow suppression and renal toxicity was investigated...
April 17, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28416419/evaluation-of-renal-transporter-inhibition-employing-creatinine-as-a-substrate-in-vitro-to-assess-the-clinical-risk-of-elevated-serum-creatinine
#8
Sumathy Mathialagan, A David Rodrigues, Bo Feng
Creatinine is a widely accepted biomarker for renal toxicity, but its renal clearance via transporter-mediated active secretion is significant. For a given new chemical entity, therefore, elevations in serum creatinine (SCr) can be caused by the inhibition of one or more renal transporters without renal toxicity. In the present study, an effort was made to assess the correlation between the inhibition of renal transporters in vitro and elevations in SCr. A total of 15 compounds were chosen based on their known effect on SCr and minimal impact on glomerular filtration rate...
April 14, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28416165/influence-of-cardiovascular-risk-in-the-prediction-and-timing-of-cardiac-events-after-exercise-echocardiogram-testing-without-ischemia
#9
Sonia Velasco Del Castillo, Ane Antón Ladislao, Verónica Gómez Sánchez, José Juan Onaindia Gandarias, Ángela Cacicedo Fernández de Bobadilla, Ibon Rodríguez Sánchez, Eva Laraudogoitia Zaldumbide
INTRODUCTION AND OBJECTIVES: There have been no analyses of the influence of cardiovascular risk as a predictor of events in patients with exercise echocardiography (EE) without ischemia. Our objective was to determine the predictors of cardiac events, paying special attention to cardiovascular risk. METHODS: This study included 1640 patients with EE without ischemia. Of these, there were 1206 with no previously known coronary artery disease (CAD), whose risk of a fatal cardiovascular disease event was estimated according to the European SCORE (Systematic COronary Risk Evaluation) risk assessment system, and 434 with known CAD...
April 13, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28413323/preventive-effect-of-fermented-black-ginseng-against-cisplatin-induced-nephrotoxicity-in-rats
#10
Kiwon Jung, Jun Min An, Dae-Woon Eom, Ki Sung Kang, Su-Nam Kim
BACKGROUND: Fermented black ginseng (FBG) is processed ginseng by the repeated heat treatment and fermentation of raw ginseng. The protective effect and mechanism of FBG on cisplatin-induced nephrotoxicity was investigated to evaluate its therapeutic potential. METHODS: The free radical scavenging activity of FBG was measured using 1,1-diphenyl-2-picrylhydrazyl (DPPH). In addition, the protective effect against cisplatin-induced renal damage was tested in rats. FBG was orally administered every day at a dose of 150 mg/kg body weight for 10 d, and a single dose of cisplatin was administered intraperitoneally (7...
April 2017: Journal of Ginseng Research
https://www.readbyqxmd.com/read/28412754/efficacy-and-safety-of-a-reduced-calcineurin-inhibitor-dose-combined-with-mycophenolate-mofetil-in-liver-transplant-patients-with-chronic-renal-dysfunction
#11
Pusen Wang, Weitao Que, Hao Li, Lvnan Yan, Zhiren Fu, Qifa Ye, Guihua Chen, Kefeng Dou, Shichun Lu, Zhanyu Yang, Zhijun Zhu, Zhihai Peng, Lin Zhong
Calcineurin inhibitors (CNIs) are frequently given at a reduced dose in combination with mycophenolate mofetil (MMF) to avoid nephrotoxicity, but the optimal reduction in CNI dose has not been established. In this prospective, open-label, multicenter study, liver transplant recipients with chronic renal dysfunction who were administered a CNI-based immunosuppressive regimen were included in the intent-to-treat (ITT) population. The primary endpoint was declination in renal function, which was defined as a ≥ 20% decrease in the glomerular filtration rate during the year following regimen adjustment...
February 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28411358/early-diagnostic-markers-for-detection-of-acute-kidney-injury-in-allogeneic-hematopoietic-stem-cell-transplant-recipients
#12
Serpil Muge Deger, Yasemin Erten, Elif Suyani, Sahika Zeynep Aki, Gulay Ulusal Okyay, Ozge T Pasaoglu, Hatice Pasaoglu, Turgay Arinsoy, Gulsan Turkoz Sucak
OBJECTIVES: Acute kidney injury is a relatively frequent complication of allogenic hematopoietic stem cell transplant, resulting in increased risk of morbidity and mortality. Early diagnosis and management of acute kidney injury is of great importance for prevention of poor outcomes in these transplant recipients. MATERIALS AND METHODS: Fifty consecutive patients, hospitalized for allogenic hematopoietic stem cell transplant at the Bone Marrow Transplantation Unit of Gazi University Faculty of Medicine, were included in this prospective study...
April 14, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28410932/outcome-analysis-of-colistin-treated-burn-center-patients
#13
Rachel E Wilkinson, David M Hill, William L Hickerson
OBJECTIVES: Intravenous colistimethate sodium (CMS) use in burn center patients is increasing due to the emergence of multidrug-resistant gram-negative bacteria. However, optimal dosing strategies and factors that may contribute to treatment failure are limited. The purpose of this study was to determine factors that may contribute to treatment failure in colistin-treated burn center patients. METHODS: This retrospective, observational study included burn center patients that received ≥48h of intravenous CMS between June 1, 2009 and June 30, 2014...
April 11, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28410272/management-of-severe-bleeding-in-patients-treated-with-direct-oral-anticoagulants-an-observational-registry-analysis
#14
Pierre Albaladejo, Charles-Marc Samama, Pierre Sié, Sophie Kauffmann, Vincent Mémier, Pierre Suchon, Alain Viallon, Jean Stéphane David, Yves Gruel, Lorenn Bellamy, Emmanuel de Maistre, Pauline Romegoux, Sophie Thoret, Gilles Pernod, Jean-Luc Bosson
BACKGROUND: The use of prothrombin complex concentrates and the role of plasma concentration of anticoagulants in the management of bleeding in patients treated with direct oral anticoagulants are still debated. Our aim was to describe management strategies and outcomes of severe bleeding events in patients treated with direct oral anticoagulants. METHODS: We performed a prospective cohort study of 732 patients treated with dabigatran, rivaroxaban, or apixaban hospitalized for severe bleeding, included prospectively in the registry from June 2013 to November 2015...
April 14, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28408835/predictors-of-common-femoral-artery-access-site-complications-in-patients-on-oral-anticoagulants-and-undergoing-a-coronary-procedure
#15
Nicolas W Shammas, Gail A Shammas, Susan Jones-Miller, Mileah Rose Gumpert, Miranda Jade Gumpert, Christine Harb, Majid Z Chammas, W John Shammas, Rommy A Khalafallah, Amy Barzgari, Bassel Bou Dargham, Ghassan E Daher, Rayan Jo Rachwan, Andrew N Shammas
BACKGROUND: It is unclear whether patients on oral anticoagulants (OAC) undergoing a procedure using common femoral artery access have higher adverse events when compared to patients who are not anticoagulated at the time of the procedure. METHODS: We retrospectively reviewed data from consecutive patients who underwent a cardiac procedure at a tertiary medical center. Patients were considered (group A) fully or partially anticoagulated if they had an international normalized ratio (INR) ≥1...
2017: Therapeutics and Clinical Risk Management
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
#16
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/28406088/population-pharmacokinetics-of-vancomycin-in%C3%A2-chinese-infants%C3%A2
#17
Xiao-Yan Sheng, Chao-Yang Chen, Ling-Yue Ma, Ya-Ou Liu, Ying Zhou, Yi-Min Cui
OBJECTIVE: To determine the pharmacokinetics (PK) of vancomycin in Chinese infant patients using a population pharmacokinetic (PKK) approach in order to provide support for individualized vancomycin therapy. METHOD: The data included 72 sets of steady-state peak and trough serum concentrations from 61 infants (0 - 1 years). PPK analysis was performed using the nonlinear mixed-effects modeling software. Inter- and intraindividual variability was estimated for the clearance and distribution volume of vancomycin...
April 13, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28406084/evidence-that-tmp-gfr-can-be-estimated-with-the-walton-bijvoet-nomogram-in-chronic-kidney-disease%C3%A2
#18
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/28405703/metabolic-syndrome-contributes-to-renal-injury-mediated-by-hyperoxaluria-in-a-murine-model-of-nephrolithiasis
#19
Javier Sáenz-Medina, E Jorge, C Corbacho, M Santos, A Sánchez, P Soblechero, E Virumbrales, E Ramil, M J Coronado, I Castillón, D Prieto, J Carballido
Metabolic syndrome (MS) individuals have a higher risk of developing chronic kidney disease through unclear pathogenic mechanisms. MS has been also related with higher nephrolithiasis prevalence. To establish the influence of MS on renal function, we designed a murine model of combined metabolic syndrome and hyperoxaluria. Four groups of male Sprague-Dawley rats were established: (1) control group (n = 10) fed with standard chow; (2) stone former group (SF) (n = 10) fed with standard chow plus 0.75% ethylene glycol administered in the drinking water; (3) metabolic syndrome group (MS) (n = 10), fed with 60% fructose diet; (4) metabolic syndrome + stone former group (MS + SF) (n = 10), 60% fructose diet and 0...
April 12, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28404092/tenofovir-alafenamide-versus-tenofovir-disoproxil-fumarate-for-the-treatment-of-patients-with-hbeag-negative-chronic-hepatitis-b-virus-infection-a-randomised-double-blind-phase-3-non-inferiority-trial
#20
Maria Buti, Edward Gane, Wai Kay Seto, Henry L Y Chan, Wan-Long Chuang, Tatjana Stepanova, Aric-Josun Hui, Young-Suk Lim, Rajiv Mehta, Harry L A Janssen, Subrat K Acharya, John F Flaherty, Benedetta Massetto, Andrea L Cathcart, Kyungpil Kim, Anuj Gaggar, G Mani Subramanian, John G McHutchison, Calvin Q Pan, Maurizia Brunetto, Namiki Izumi, Patrick Marcellin
BACKGROUND: The novel prodrug tenofovir alafenamide delivers the nucleotide reverse transcriptase inhibitor tenofovir to target cells more efficiently at a lower dose than tenofovir disoproxil fumarate, thereby reducing systemic exposure. We compared the efficacy and safety of the two drugs in patients with HBeAg-negative chronic hepatitis B virus (HBV) infection in a non-inferiority study. METHODS: In this ongoing randomised, double-blind, phase 3, non-inferiority study in 105 centres in 17 countries, patients with HBeAg-negative chronic HBV were randomly assigned (2:1) by a computer-generated allocation sequence (block size six), stratified by plasma HBV DNA concentration and previous treatment status, to receive once-daily oral doses of tenofovir alafenamide 25 mg or tenofovir disoproxil fumarate 300 mg, each with matching placebo...
November 2016: Lancet. Gastroenterology & Hepatology
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