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Clearance glomerular filtration rate

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https://www.readbyqxmd.com/read/27904871/in-vivo-measurement-and-characterization-of-a-novel-formulation-of-177-lu-dota-octreotate
#1
Dale L Bailey, Thomas M Hennessy, Kathy P Willowson, E Courtney Henry, David Lh Chan, Alireza Aslani, Paul J Roach
OBJECTIVES: Lutetium-177 can be made with high specific activity and with no other isotopes of lutetium present, referred to as "No Carrier Added" (NCA) (177)Lu. We have radiolabelled DOTA-conjugated peptide DOTA-(Tyr(3))-octreotate with NCA (177)Lu ("NCA-LuTATE") and used it in nearly 40 therapeutic administrations for subjects with neuroendocrine tumours or meningiomas. In this paper, we report on our initial studies on aspects of the biodistribution and dosimetry of NCA-LuTATE from gamma camera 2D whole body (WB) and quantitative 3D SPECT (qSPECT) (177)Lu imaging...
2016: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/27894119/trajectories-and-predictors-of-allograft-dysfunction-after-renal-transplantation-in-children
#2
Vandréa Carla de Souza, Muriel Rabilloud, Pierre Cochat, Mario Bernardes Wagner, Clotilde Druck Garcia, Bruno Ranchin, Jean Iwaz, Luciano Selistre, Laurence Dubourg
BACKGROUND: The survival rates of renal transplant children are indeed on the rise, but it is still important to ensure that there is optimal renal function in these children in all their future growing years. The number of functioning nephrons and the graft ability to adapt to an increasing demand during body growth seem to be the most important factors for long-term allograft function. This study examined the long-term change in the glomerular filtration rate in a pediatric kidney transplant cohort and the importance of the recipient and donor ages in predicting transplant outcome...
November 29, 2016: American Journal of Nephrology
https://www.readbyqxmd.com/read/27890838/preoperative-evaluation-of-the-renal-function-before-the-treatment-of-abdominal-aortic-aneurysms
#3
Raphael Coscas, Sandra Wagner, Eve Vilaine, Albane Sartorius, Isabelle Javerliat, Olivier Goeau-Brissonniere, Marc Coggia, Ziad Massy
OBJECTIVES: Chronic impaired renal function (IRC) constitutes a major risk factor of morbi-mortality during the treatment of an abdominal aortic aneurism (AAA). The inflammatory state due to the AAA could result in a reduction in the muscular mass and an over-estimation of the glomerular filtration rate (GFR) with the usual formulas. The objective of this study was to determine if the formulae used to evaluate the estimated GFR were adapted in patients with AAA. MATERIALS AND METHODS: Between August 2013 and November 2014, we conducted an exploratory study to evaluate the renal function before surgery for AAA in 28 patients...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27886861/applicability-of-the-japanese-equation-for-estimating-glomerular-filtration-rate-in-patients-with-advanced-stage-thoracic-cancer
#4
Takashi Kikuchi, Hiroaki Akamatsu, Keita Mori, Ayaka Tanaka, Kuninobu Kanai, Atsushi Hayata, Nahomi Tokudome, Keiichiro Akamatsu, Yasuhiro Koh, Masanori Nakanishi, Hiroki Ueda, Nobuyuki Yamamoto
BACKGROUND: The 24-h creatinine clearance (24-h Ccr) and the Cockcroft-Gault equation (CG) are commonly used as markers of renal function in clinical practice. However, the utility of the Japanese equation for estimating glomerular filtration rate (eGFR) in cancer patients has not yet been evaluated. The aim of this cross-sectional study was to investigate the extent and correlating factors for differences between eGFR and both 24-h Ccr and CG in advanced-stage thoracic cancer patients...
November 2016: Respiratory Investigation
https://www.readbyqxmd.com/read/27884475/frailty-kidney-function-and-polypharmacy-the%C3%A2-atherosclerosis-risk-in-communities-aric-study
#5
Shoshana H Ballew, Yan Chen, Natalie R Daya, Job G Godino, B Gwen Windham, Mara McAdams-DeMarco, Josef Coresh, Elizabeth Selvin, Morgan E Grams
BACKGROUND: Frail individuals are at increased risk for poor outcomes, including adverse drug events. Kidney function is often compromised in frailty and is a key consideration in medication choice and dosing; however, creatinine-based measures of kidney function may be biased in frail individuals. STUDY DESIGN: Observational study. SETTING & PARTICIPANTS: 4,987 community-dwelling older men and women with complete data who participated in visit 5 of the Atherosclerosis Risk in Communities (ARIC) Study (2011-2013)...
November 21, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27878110/discontinuation-of-antimicrobial-prophylaxis-ap-in-children-with-spina-bifida-a-case-series-analysis
#6
Kevin G Couloures, Michael Anderson, Michael Machiorlatti, Olivera Marsenic, Lawrence Opas
BACKGROUND: Spina bifida increases the risk for urinary tract infections (UTI). Antimicrobial prophylaxis (AP) reduces symptomatic UTI's but selects resistant organisms. Measures to ensure regular and complete emptying of the bladder combined with treatment of constipation reduce the risk for UTI. OBJECTIVES: Demonstrate that close adherence to a catheterization regimen in children with spina bifida (Selective Treatment - ST) reduces the need for antimicrobial prophylaxis...
September 2016: Nephro-urology Monthly
https://www.readbyqxmd.com/read/27860407/from-fish-to-nephrology-modeling-glomerular-function-in-danio-rerio-larvae
#7
EDITORIAL
Sebastian Bachmann
The assessment of the glomerular filtration rate (GFR) is essential to judge renal function in clinical practice. Estimated GFR based on serum creatinine concentration is useful as a "first line" test of kidney function, whereas measured GFR using urinary or plasma clearance of exogenously applied markers of filtration provides more accurate information and allows conclusions on the function of the filtration barrier and the tubular reabsorptive capacity (Stevens & Levey 2009). Defects of the glomerular filtration barrier may impair size selectivity and cause proteinuria, leading to chronic kidney disease...
November 17, 2016: Acta Physiologica
https://www.readbyqxmd.com/read/27847345/differential-associations-between-systemic-markers-of-disease-and-cortical-thickness-in-healthy-middle-aged-and-older-adults
#8
Artur Martins Coutinho, Jean-Philippe Coutu, Emily Rose Lindemer, H Diana Rosas, Bruce R Rosen, David H Salat
Aside from cortical damage associated with age, cerebrovascular and neurodegenerative diseases, it's an outstanding question if factors of global health, including normal variation in blood markers of metabolic and systemic function, may also be associated with individual variation in brain structure. This cross-sectional study included 138 individuals between 40 to 86 years old who were physically healthy and cognitively intact. Eleven markers (total cholesterol, HDL, LDL, triglycerides, insulin, fasting glucose, glycated hemoglobin, creatinine, blood urea nitrogen, albumin, total protein) and five derived indicators (estimated glomerular filtration rate, creatinine clearance rate, insulin-resistance, average glucose, and cholesterol/HDL ratio) were obtained from blood sampling of all participants...
November 12, 2016: NeuroImage
https://www.readbyqxmd.com/read/27845866/a-canola-oil-supplemented-diet-prevents-type-i-diabetes-caused-lipotoxicity-and-renal-dysfunction-in-a-rat-model
#9
Edgar Cano-Europa, Rocio Ortiz-Butron, Estela Melendez Camargo, María Miriam Esteves-Carmona, Rosa Maria Oliart-Ros, Vanessa Blas-Valdivia, Margarita Franco-Colin
We investigated the effect of a canola oil-supplemented diet on the metabolic state and diabetic renal function of a type I diabetes experimental model. Male Sprague-Dawley rats were randomly divided into four groups: (1) normoglycemic+chow diet, (2) normoglycemic+a canola oil-supplemented chow diet, (3) diabetic+chow diet, and (4) diabetic+a canola oil-supplemented chow diet. For 15 weeks, animals were fed a diet of Purina rat chow alone or supplemented with 30% canola oil. Energetic intake, water intake, body weight, and adipose tissue fat pad were measured; renal function, electrolyte balance, glomerular filtration rate, and the plasmatic concentration of free fatty acids, cholesterol, triglycerides, and glucose were evaluated...
November 2016: Journal of Medicinal Food
https://www.readbyqxmd.com/read/27845599/n-acetylcysteine-protects-against-star-fruit-induced-acute-kidney-injury
#10
Maria Heloisa Massola Shimizu, Pedro Henrique França Gois, Rildo Aparecido Volpini, Daniele Canale, Weverton Machado Luchi, Leila Froeder, Ita Pfeferman Heilberg, Antonio Carlos Seguro
BACKGROUND: Star fruit (SF) is a popular fruit, commonly cultivated in many tropical countries, that contains large amount of oxalate. Acute oxalate nephropathy and direct renal tubular damage through release of free radicals are the main mechanisms involved in SF-induced acute kidney injury (AKI). The aim of this study was to evaluate the protective effect of N-acetylcysteine (NAC) on SF-induced nephrotoxicity due to its potent antioxidant effect. MATERIALS AND METHODS: Male Wistar rats received SF juice (4 mL/100 g body weight) by gavage after a 12 h fasting and water deprivation...
November 15, 2016: Renal Failure
https://www.readbyqxmd.com/read/27832768/central-obesity-associates-with-renal-hyperfiltration-in-the-non-diabetic-general-population-a-cross-sectional-study
#11
Vidar Tor Nyborg Stefansson, Jørgen Schei, Trond Geir Jenssen, Toralf Melsom, Bjørn Odvar Eriksen
BACKGROUND: Obesity is a risk factor for end-stage renal disease. Renal hyperfiltration, defined as an abnormally high glomerular filtration rate (GFR), is a link in the causal chain between diabetes and chronic kidney disease. Whether obesity is associated with hyperfiltration in the non-diabetic general population, remains unresolved due to a lack of consensus regarding the definition of hyperfiltration and the limited precision of high-range GFR estimations with creatinine and/or cystatin C...
November 10, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27829460/renal-function-estimation-and-cockroft-gault-formulas-for-predicting-cardiovascular-mortality-in-population-based-cardiovascular-risk-heart-failure-and-post-myocardial-infarction-cohorts-the-heart-omics-in-ageing-homage-and-the-high-risk-myocardial-infarction
#12
João Pedro Ferreira, Nicolas Girerd, Pierpaolo Pellicori, Kevin Duarte, Sophie Girerd, Marc A Pfeffer, John J V McMurray, Bertram Pitt, Kenneth Dickstein, Lotte Jacobs, Jan A Staessen, Javed Butler, Roberto Latini, Serge Masson, Alexandre Mebazaa, Hans Peter Brunner-La Rocca, Christian Delles, Stephane Heymans, Naveed Sattar, J Wouter Jukema, John G Cleland, Faiez Zannad, Patrick Rossignol
BACKGROUND: Renal impairment is a major risk factor for mortality in various populations. Three formulas are frequently used to assess both glomerular filtration rate (eGFR) or creatinine clearance (CrCl) and mortality prediction: body surface area adjusted-Cockcroft-Gault (CG-BSA), Modification of Diet in Renal Disease Study (MDRD4), and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation. The CKD-EPI is the most accurate eGFR estimator as compared to a "gold-standard"; however, which of the latter is the best formula to assess prognosis remains to be clarified...
November 10, 2016: BMC Medicine
https://www.readbyqxmd.com/read/27815868/a-prospective-population-pharmacokinetic-study-on-morphine-metabolism-in-cancer-patients
#13
Astrid W Oosten, João A Abrantes, Siv Jönsson, Maja Matic, Ron H N van Schaik, Peter de Bruijn, Carin C D van der Rijt, Ron H J Mathijssen
BACKGROUND: Oral and subcutaneous morphine is widely used for the treatment of cancer-related pain; however, solid pharmacokinetic data on this practice are lacking. Furthermore, it is largely unknown which factors contribute to the variability in clearances of morphine and its metabolites and whether morphine clearance is related to treatment outcome. METHODS: Blood samples from 49 cancer patients treated with oral and/or subcutaneous morphine were prospectively collected and were used to develop a population pharmacokinetic model for morphine, morphine-3-glucuronide (M3G) and morphine-6-glucuronide (M6G)...
November 5, 2016: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/27815778/high-target-attainment-for-%C3%AE-lactam-antibiotics-in-intensive-care-unit-patients-when-actual-minimum-inhibitory-concentrations-are-applied
#14
H Woksepp, A Hällgren, S Borgström, F Kullberg, A Wimmerstedt, A Oscarsson, P Nordlund, M-L Lindholm, J Bonnedahl, L Brudin, B Carlsson, T Schön
Patients in the intensive care unit (ICU) are at risk for suboptimal levels of β-lactam antibiotics, possibly leading to poor efficacy. Our aim was to investigate whether the actual minimum inhibitory concentration (MIC) compared to the more commonly used arbitrary epidemiological cut-off values (ECOFFs) would affect target attainment in ICU patients on empirical treatment with broad-spectrum β-lactam antibiotics and to identify risk factors for not reaching target. In a prospective, multicenter study, ICU patients ≥18 years old and treated with piperacillin/tazobactam, meropenem, or cefotaxime were included...
November 4, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27813141/renal-deterioration-after-spinal-cord-injury-is-associated-with-length-of-detrusor-contractions-during-cystometry-a-study-with-a-median-of-41-years-follow-up
#15
Marlene Elmelund, Niels Klarskov, Per Bagi, Peter S Oturai, Fin Biering-Sørensen
AIMS: To investigate which urodynamic parameters are associated with renal deterioration over a median of 41 years follow-up after traumatic spinal cord injury. METHODS: Medical records of patients with a traumatic spinal cord injury sustained 1944-1975 were reviewed from time of injury until 2012. Patients who attended regular renography and/or renal clearance examinations and had minimum one cystometry and pressure-flow study were included. Renal deterioration was diagnosed as split renal function ≤30% in one kidney or relative glomerular filtration rate ≤51% of expected according to age and gender...
November 4, 2016: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/27804233/quality-of-life-development-during-initial-hemodialysis-therapy-and-association-with-loss-of-residual-renal-function
#16
Christina G Poulsen, Krista D Kjaergaard, Christian D Peters, Bente Jespersen, Jens D Jensen
Introduction Health related quality of life (HRQOL) is markedly reduced in hemodialysis patients compared to the general population. We investigated the course of self-reported HRQOL over time and the association with selected factors, focusing on changes in glomerular filtration rate (GFR). Methods Eighty-two newly started hemodialysis patients from the SAFIR cohort filled out the Kidney Disease Quality of Life Short Form Version 1.3 (KDQOL-SF(TM) ) questionnaire at baseline, 6 and 12 months. The SAFIR study was a randomized, placebo-controlled, double-blind intervention study, examining the effects of the angiotensin II receptor blocker irbesartan...
November 1, 2016: Hemodialysis International
https://www.readbyqxmd.com/read/27788718/-changes-in-serum-%C3%AE-2-microglobulin-retinol-binding-protein-and-cystatin-c-and-their-value-in-identifying-early-renal-dysfunction-in-patients-with-chronic-hepatitis-b-undergoing-tenofovir-or-entecavir-monotherapy-a-comparative-analysis
#17
J He, H B Ning, Y L Zeng, W Li, K Li, J Shang
Objective: To investigate the dynamic changes in serum β2-microglobulin, retinol-binding protein, and cystatin C in chronic hepatitis B(CHB)patients treated with tenofovir or entecavir alone as the anti-HBV therapy, as well as their value in identifying early renal dysfunction. Methods: A total of 61 previously untreated CHB patients who were diagnosed and treated in the Department of Infectious Diseases in Henan Provincial People's Hospital from June 2013 to August 2015 were enrolled and divided into tenofovir group and entecavir group...
September 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/27779785/development-and-validation-of-a-mathematical-equation-to-estimate-glomerular-filtration-rate-in-cirrhosis-the-rfh-cirrhosis-gfr
#18
Maria Kalafateli, Fred Wickham, Maria Burniston, Evangelos Cholongitas, Eleni Theocharidou, Matteo Garcovich, James O'Beirne, Rachel Westbrook, Gioacchino Leandro, Andrew K Burroughs, Emmanuel A Tsochatzis
: Current expressions based on serum creatinine concentration overestimate kidney function in cirrhosis leading to significant differences between "true" and calculated glomerular filtration rate (GFR). We compared the performance of MDRD-4, MDRD-6 and CKD-EPI with "true" GFR and the impact of this difference on MELD calculation. We subsequently developed and validated a GFR equation specifically for cirrhosis and compared the performance of the new derived formula with existing GFR formulas...
October 25, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27779460/lercanidipine-valuable-effect-on-urine-protein-losses-the-red-level-study
#19
Nicolas Roberto Robles, Carlos Calvo, Javier Sobrino, Eugenia Espinel, Rafael Esteban, Lourdes Mateos, Juan F Macias
OBJECTIVE: The RED LEVEL study (REnal Disease: LErcanidipine Valuable Effect on urine protein Losses) directly compares, in an explorative fashion, the effects of lercanidipine + enalapril and amlodipine + enalapril combinations on renal parameters in hypertensive subjects. RESEARCH DESIGN AND METHODS: This was a 1 year, prospective, multi-center, randomized, open-label, blinded-endpoint (PROBE) study in hypertensive patients with albuminuria. MAIN OUTCOME MEASURES: Renal function (albuminuria, serum creatinine, creatinine clearance, estimated glomerular filtration rate and proteinuria); blood pressure...
October 2016: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/27778266/therapeutic-role-of-tangshenkang-granule-in-rat-model-with-diabetic-nephropathy
#20
Shun-Jin Hu, Bing Shu, Hua Jin, Xiao-Feng Li, Jia-Rong Mao, Ke-Jun Ren, Lei Gao, Li Yang, You-Wan Wu, Yong-Jun Wang
OBJECTIVE: To evaluate the renal protective effect of Tangshenkang Granule () in a rat model of diabetic nephropathy (DN). METHODS: Forty male Sprague-Dawley rats were randomly divided into control, DN, Tangshenkang and benazepril groups. DN model was established in the rats of DN, Tangshenkang and benazepril groups. Tangshenkang Granule solution and benazepril hydrochloride solution were intragastrically administered daily to the rats in the Tangshenkang and benazepril groups for 8 weeks, respectively...
October 24, 2016: Chinese Journal of Integrative Medicine
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