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https://www.readbyqxmd.com/read/28197727/perioperative-morbidity-oncological-outcomes-and-predictors-of-pt3a-upstaging-for-patients-undergoing-partial-nephrectomy-for-ct1-tumors
#1
Pascal Mouracade, Onder Kara, Julien Dagenais, M J Maurice, R J Nelson, Ercan Malkoc, J H Kaouk
OBJECTIVES: To evaluate perioperative morbidity, oncological outcome and predictors of pT3a upstaging after partial nephrectomy (PN). MATERIALS AND METHODS: Retrospective study of 1042 patients who underwent PN for cT1N0M0 renal cell carcinoma between 2007 and 2015. A total of 113 cT1 patients were upstaged to pT3a, while 929 were staged as pT1. Demographic, perioperative and pathological variables were reviewed. We compared the clinico-pathological characteristics, perioperative morbidity and oncological outcomes between pT3a and pT1 groups...
February 14, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28166298/estimation-of-chronic-kidney-disease-incidence-from-prevalence-and-mortality-data-in-american-indians-with-type-2-diabetes
#2
Pavithra Vijayakumar, Annika Hoyer, Robert G Nelson, Ralph Brinks, Meda E Pavkov
The objective was to estimate chronic kidney disease (CKD) incidence rates from prevalence and mortality data, and compare the estimates with observed (true) incidence rates in a well-characterized population with diabetes. Pima Indians aged 20 years and older with type 2 diabetes were followed from 1982 through 2007. CKD was defined by estimated GFR (eGFR) <60 ml/min/1.72 m2 or albumin-to-creatinine ratio (ACR) ≥30 mg/g. True CKD incidence and mortality rates were computed for the whole study period, and prevalence for the intervals 1982-1994 and 1995-2007...
2017: PloS One
https://www.readbyqxmd.com/read/28133528/effects-of-ellagic-acid-pretreatment-on-renal-functions-disturbances-induced-by-global-cerebral-ischemic-reperfusion-in-rat
#3
Khojasteh Hoseiny Nejad, Mohammad Kazem Gharib-Naseri, Alireza Sarkaki, Mahin Dianat, Mohammad Badavi, Yaghoub Farbood
OBJECTIVES: Global cerebral ischemia-reperfusion (GCIR) causes disturbances in brain functions as well as other organs such as kidney. Our aim was to evaluate the protective effects of ellagic acid (EA) on certain renal disfunction after GCIR. MATERIALS AND METHODS: Adult male Wistar rats (n=32, 250-300 g) were used. GCIR was induced by bilateral vertebral and common carotid arteries occlusion (4-VO). Animal groups were: 1) received DMSO/saline (10%) as solvent of EA, 2) solvent + GCIR, 3) EA + GCIR, and 4) EA...
January 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28116101/prevalence-of-anemia-in-renal-insufficiency-among-hiv-infected-patients-initiating-art-at-a-hospital-in-northeast-ethiopia
#4
Temesgen Fiseha, Zemenu Tamir, Abdurahaman Seid, Wondmagegn Demsiss
BACKGROUND: Anemia is a strong predictor of mortality and poor quality of life among persons with either renal impairment or HIV infection. In this study, we investigated the prevalence of anemia and its association with renal insufficiency among HIV infected patients initiating ART at a hospital in Northeast Ethiopia. METHODS: In this retrospective cohort study, records of 373 patients on ART were selected in Dessie Referral hospital, South Wollo, Northeast Ethiopia from September 2010 to August 2013...
2017: BMC Hematology
https://www.readbyqxmd.com/read/28114169/outcomes-of-pregnancies-after-kidney-transplantation-lessons-learned-from-ckd-a-comparison-of-transplanted-nontransplanted-chronic-kidney-disease-patients-and-low-risk-pregnancies-a-multicenter-nationwide-analysis
#5
Giorgina Barbara Piccoli, Gianfranca Cabiddu, Rossella Attini, Martina Gerbino, Paola Todeschini, Maria Luisa Perrino, Ana Maria Manzione, Gian Benedetto Piredda, Elisa Gnappi, Flavia Caputo, Giuseppe Montagnino, Vincenzo Bellizzi, Pierluigi Di Loreto, Francesca Martino, Domenico Montanaro, Michele Rossini, Santina Castellino, Marilisa Biolcati, Federica Fassio, Valentina Loi, Silvia Parisi, Elisabetta Versino, Antonello Pani, Tullia Todros
BACKGROUND: Kidney transplantation (KT) may restore fertility in CKD. The reasons why materno-foetal outcomes are still inferior to the overall population are only partially known. Comparison with the CKD population may offer some useful insights for management and counselling.Aim of this study was to analyse the outcomes of pregnancy after KT, compared with a large population of non-transplanted CKD patients and with low-risk control pregnancies, observed in Italy the new millennium...
January 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28096442/kinetic-modeling-of-incremental-ambulatory-peritoneal-dialysis-exchanges
#6
Steven Guest, John K Leypoldt, Michelle E Cassin, Martin J Schreiber
♦ Background: Incremental peritoneal dialysis (PD), the gradual introduction of dialysate exchanges at less than full-dose therapy, has been infrequently described in clinical reports. One concern with less than full-dose dialysis is whether urea clearance targets are achievable with an incremental regimen. In this report, we used a large database of PD patients, across all membrane transport types, and performed urea kinetic modeling determinations of possible incremental regimens for an individual membrane type...
January 17, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28092350/long-term-renal-survival-in-patients-undergoing-t-cell-depleted-versus-conventional-hematopoietic-stem-cell-transplants
#7
I G Glezerman, S Devlin, M Maloy, M Bui, E A Jaimes, S A Giralt, A A Jakubowski
Calcineurin inhibitor (CNI)-sparing T-cell depleted (TCD) hematopoietic stem cell transplants (HSCTs) are presumed to be less nephrotoxic than conventional HSCTs. We evaluated incidence and risk factors for kidney failure and chronic kidney disease (CKD) in 231 TCD and 212 conventional HSCT recipients. Kidney failure required a median glomerular filtration rate (GFR) <60 ml/min/1.73 m(2) for ⩾100 days anytime after 180-days post-HSCT. Two-year cumulative incidence (CI) of kidney failure was 42% in the conventional versus 31% in the TCD group (P=0...
January 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28073780/chronic-kidney-disease-and-obesity-bias-surrogate-estimates-of-insulin-sensitivity-compared-to-the-hyperinsulinemic-euglycemic-clamp
#8
Iram Ahmad, Leila R Zelnick, Nicole R Robinson, Adriana M Hung, Bryan Kestenbaum, Kristina M Utzschneider, Steven E Kahn, Ian H de Boer
INTRODUCTION: Insulin sensitivity can be measured by procedures such as the hyperinsulinemic-euglycemic clamp or using surrogate indices. Chronic kidney disease (CKD) and obesity may differentially affect these measurements because of changes in insulin kinetics and organ-specific effects on insulin sensitivity. METHODS: In a cross-sectional study of 59 subjects with non-diabetic CKD (estimated glomerular filtration rate (GFR) <60 mL/min/1.73 m(2)) and 39 matched healthy controls, we quantified insulin sensitivity by clamp (SIclamp), oral glucose tolerance test, and fasting glucose and insulin...
January 10, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28070716/pharmacokinetics-and-saturable-absorption-of-gabapentin-in-nursing-home-elderly-patients
#9
Ghada F Ahmed, Sai Praneeth R Bathena, Richard C Brundage, Ilo E Leppik, Jeannine M Conway, Janice B Schwartz, Angela K Birnbaum
Pharmacokinetic data of gabapentin (GBP) in community-dwelling elderly patients show a significant effect of advanced age on GBP pharmacokinetics due to altered renal function. However, there are no data in elderly nursing home (NH) patients to evaluate gabapentin absorption and elimination. Our objective was to characterize the pharmacokinetics of GBP in elderly nursing home patients maintained on GBP therapy. This was a prospective pharmacokinetic study in elderly nursing home patients (≥60 years) receiving GBP for the management of chronic pain or epilepsy from seven nursing homes...
January 9, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28060893/positioning-of-tacrolimus-for-the-treatment-of-diabetic-nephropathy-based-on-computational-network-analysis
#10
Constantin Aschauer, Paul Perco, Andreas Heinzel, Judith Sunzenauer, Rainer Oberbauer
OBJECTIVE: To evaluate tacrolimus as therapeutic option for diabetic nephropathy (DN) based on molecular profile and network-based molecular model comparisons. MATERIALS AND METHODS: We generated molecular models representing pathophysiological mechanisms of DN and tacrolimus mechanism of action (MoA) based on literature derived data and transcriptomics datasets. Shared enriched molecular pathways were identified based on both model datasets. A newly generated transcriptomics dataset studying the effect of tacrolimus on mesangial cells in vitro was added to identify mechanisms in DN pathophysiology...
2017: PloS One
https://www.readbyqxmd.com/read/28049448/international-collaboration-for-the-epidemiology-of-egfr-in-low-and-middle-income-populations-rationale-and-core-protocol-for-the-disadvantaged-populations-egfr-epidemiology-study-degree
#11
Ben Caplin, Kristina Jakobsson, Jason Glaser, Dorothea Nitsch, Vivekanand Jha, Ajay Singh, Ricardo Correa-Rotter, Neil Pearce
BACKGROUND: There is an increasing recognition of epidemics of primarily tubular-interstitial chronic kidney disease (CKD) clustering in agricultural communities in low- and middle-income countries (LMICs). Although it is currently unclear whether there is a unified underlying aetiology, these conditions have been collectively termed CKD of undetermined cause (CKDu). CKDu is estimated to have led to the premature deaths of tens to hundreds of thousands of young men and women over the last 2 decades...
January 3, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28011276/excised-parenchymal-mass-during-partial-nephrectomy-functional-implications
#12
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/27992823/the-effect-of-renal-dysfunction-on-short-term-outcomes-after-lumbar-fusion
#13
Taylor E Purvis, Remi A Kessler, Christine Boone, Benjamin D Elder, C Rory Goodwin, Daniel M Sciubba
OBJECTIVE: To compare post-lumbar decompression and fusion complication rates and mortality for patients without preoperative hemodialysis (HD) use with and without renal dysfunction as estimated by glomerular filtration rate (GFR) and creatinine levels. PATIENTS AND METHODS: Baseline and outcome data were obtained from the 2005-2014 American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database for patients over the age of 18 who underwent non-emergent lumbar fusion surgery...
February 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27965825/aminoaciduria-in-the-prediction-of-ifosfamide-induced-tubulopathy-after-childhood-cancer-a-feasibility-study
#14
Jessica E Morgan, Karl McKeever, Kay S Tyerman, Michael Henderson, Susan Picton, Robert S Phillips
BACKGROUND: Ifosfamide, an alkylating agent used widely in the treatment of childhood malignancy, can cause many side effects including a proximal tubulopathy. Studies suggest that aminoaciduria is seen most commonly of all the biochemical abnormalities of ifosfamide-induced tubulopathy. A recent systematic review has found a paucity of data regarding the value of early markers indicating clinically significant tubulopathy. We undertook a pilot study to determine the feasibility of examining whether patients can be risk-stratified on the basis of aminoaciduria for the development of future significant ifosfamide-induced tubulopathy, to allow the evolution of appropriate follow-up strategies...
2016: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/27943221/a-population-pharmacokinetic-model-for-51-cr-edta-to-estimate-renal-function
#15
Isabelle H S Kuan, Stephen B Duffull, Tracey L Putt, John B W Schollum, Robert J Walker, Daniel F B Wright
BACKGROUND AND OBJECTIVES: (51)Cr EDTA clearance (CL) from plasma is used to estimate glomerular filtration rate (GFR). We propose that current methods for analysing the raw (51)Cr EDTA measurements over-simplifies the disposition of (51)Cr EDTA and therefore could produce biased GFR estimates. The aim of this study was to develop a population pharmacokinetic model for (51)Cr EDTA disposition and to compare model-predicted GFR to other methods of estimating renal function. PATIENTS AND METHODS: Data from 40 individuals who received ~7...
December 9, 2016: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/27932106/assessment-of-kidney-graft-function-evolution-measured-by-creatinine-and-cystatin-c
#16
M A Ramos-Barron, I Hernandez Bejarano, E Rodrigo, E Cruz Iglesias, A Benito Hernandez, C Agueros Blanco, A I Morales Martin, M Prieto Vicente, F Lopez Hernandez, M Arias, C Gomez-Alamillo
INTRODUCTION: The 2013 Kidney Disease Outcomes Quality Initiative Clinical Practice Guideline suggests measuring cystatin C (sCys) in adults with glomerular filtration rate (GFR) based on creatinine (sCr) between 45 and 59 mL/min/1.73 m(2) if confirmation of chronic kidney disease (CKD) is required. There is not enough evidence to recommend the use of sCys or sCr to estimate GFR in kidney transplant recipients. OBJECTIVES: Our aims were to describe the evolution of sCr, sCys, and GFR in a group of kidney transplant patients and to determine their association with some markers of morbidity at 1 year...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932098/urinary-clara-cell-protein-in-kidney-transplant-patients-a-preliminary-study
#17
P M García-García, E Martín-Izquierdo, C M-F de Basoa, A Jarque-López, G Pérez-Suárez, A Rivero-González, J M González-Posadas, M Macía-Heras, V M García-Nieto, J F Navarro-Gónzález
OBJECTIVE: The aim of this exploratory study was to analyze the urinary excretion of Clara cell protein (CC16), a new marker of proximal tubular dysfunction (PTD), in kidney transplantation (KT). MATERIALS AND METHODS: Urinary concentrations of CC16, β2-microglobulin (β2m), and N-acetyl-glucosaminidase (NAG) were measured in 50 KT patients (72% men; mean age 50.4 ± 12.4 years; diabetes in 24%; duration of KT 4.3 ± 3.1 years) and 10 healthy controls (6 men; mean age 33...
November 2016: Transplantation Proceedings
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
#18
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/27927602/acute-change-in-glomerular-filtration-rate-with%C3%A2-inhibition-of-the-renin-angiotensin-system-does-not%C3%A2-predict-subsequent-renal-and-cardiovascular%C3%A2-outcomes
#19
Catherine M Clase, Joshua Barzilay, Peggy Gao, Andrew Smyth, Roland E Schmieder, Sheldon Tobe, Koon K Teo, Salim Yusuf, Johannes F E Mann
Initiation of blockade of the renin-angiotensin system may cause an acute decrease in glomerular filtration rate (GFR): the prognostic significance of this is unknown. We did a post hoc analysis of patients with, or at risk for, vascular disease, in two randomized controlled trials: Ongoing Telmisartan Alone and in combination with Ramipril Global Endpoint Trial (ONTARGET) and the Telmisartan Randomized AssessmeNt Study in ACE iNtolerant participants with cardiovascular Disease (TRANSCEND), whose median follow-up was 56 months...
December 4, 2016: Kidney International
https://www.readbyqxmd.com/read/27927186/diet-as-a-system-an-observational-study-investigating-a-multi-choice-system-of-moderately-restricted-low-protein-diets
#20
Giorgina Barbara Piccoli, Marta Nazha, Irene Capizzi, Federica Neve Vigotti, Stefania Scognamiglio, Valentina Consiglio, Elena Mongilardi, Marilisa Bilocati, Paolo Avagnina, Elisabetta Versino
BACKGROUND: There is no single, gold-standard, low-protein diet (LPD) for CKD patients; the best compliance is probably obtained by personalization. This study tests the hypothesis that a multiple choice diet network allows patients to attain a good compliance level, and that, in an open-choice system, overall results are not dependent upon the specific diet, but upon the clinical characteristics of the patients. METHODS: Observational study: Three LPD options were offered to all patients with severe or rapidly progressive CKD: vegan diets supplemented with alpha-ketoacids and essential aminoacids; protein-free food in substitution of normal bread and pasta; other (traditional, vegan non supplemented and tailored)...
December 7, 2016: BMC Nephrology
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