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Schwartz formula

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https://www.readbyqxmd.com/read/27902155/the-abcs-of-how-we-learn-26-scientifically-proven-approaches-how-they-work-and-when-to-use-them-schwartz-daniel-l-tsang-jessica-m-and-blair-kristen-p-the-abcs-of-how-we-learn-26-scientifically-proven-approaches-how-they-work-and-when-to-use-them-384pp-%C3%A2-17
#1
https://www.readbyqxmd.com/read/27900958/renal-shear-wave-velocity-and-estimated-glomerular-filtration-rate-in-children-with-chronic-kidney-disease
#2
Costanza Bruno, Milena Brugnara, Rocco Micciolo, Mariangela Cecchetto, Michele Zuffante, Alessandra Bucci, Marco Zaffanello
A shear wave velocity (SWV) value obtained by the acoustic radiation force impulse technique depends on tissue elasticity. We investigated the relationship between SWV values and the estimated glomerular filtration rate (eGFR) in children with chronic kidney disease. A total of 29 patients were enrolled in the study. There were 18 primary and 11 secondary cases of vesicoureteral reflux. eGFR was calculated using Schwartz's formulas (2012). Partial eGFR for each kidney was assessed by multiplying the eGFR by the percentage of renal function measured by means of renal (99m)Tc-dimercaptosuccinic acid scintigraphy...
November 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27856008/comprehensive-renal-function-evaluation-in-patients-treated-for-synchronous-bilateral-wilms-tumor
#3
Rodrigo B Interiano, M Beth McCarville, Noel Delos Santos, Shenghua Mao, Jianrong Wu, Jeffrey S Dome, Kathleen Kieran, Mark A Williams, Rachel C Brennan, Matthew J Krasin, Daniel M Green, Andrew M Davidoff
OBJECTIVES: The purpose of this study was to perform a comprehensive assessment of long-term renal function in patients treated at our institution for synchronous bilateral Wilms tumor (BWT) and to determine the optimal method for estimating glomerular filtration rate (eGFR). METHODS: Surgical approach, adjuvant therapy, and pathology reports were reviewed for patients with at least six months follow-up from definitive surgery. eGFRs, as assessed by the Schwartz and Chronic Kidney Disease in Children (CKiD) formulas, were compared to measured GFR (mGFR) determined by (99m)Tc-DTPA scanning...
October 27, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27782758/a-cluster-randomized-trial-of-tailored-breastfeeding-support-for-women-with-gestational-diabetes
#4
Alison M Stuebe, Karen Bonuck, Reuben Adatorwovor, Todd A Schwartz, Diane C Berry
BACKGROUND: Women with gestational diabetes mellitus (GDM) and their infants are at increased risk of developing metabolic disease; however, longer breastfeeding is associated with a reduction in these risks. We tested an intervention to increase breastfeeding duration among women with GDM. MATERIALS AND METHODS: We conducted a cluster randomized trial to determine the efficacy of a breastfeeding education and support program for women with GDM. Women were enrolled between 22 and 36 weeks of pregnancy and cluster randomized to an experimental lifestyle intervention or wait-list control group...
October 26, 2016: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/27779134/a-numerical-study-on-the-oblique-focus-in-mr-guided-transcranial-focused-ultrasound
#5
Alec Hughes, Yuexi Huang, Aki Pulkkinen, Michael L Schwartz, Andres M Lozano, Kullervo Hynynen
Recent clinical data showing thermal lesions from treatments of essential tremor using MR-guided transcranial focused ultrasound shows that in many cases the focus is oblique to the main axis of the phased array. The potential for this obliquity to extend the focus into lateral regions of the brain has led to speculation as to the cause of the oblique focus, and whether it is possible to realign the focus. Numerical simulations were performed on clinical export data to analyze the causes of the oblique focus and determine methods for its correction...
November 21, 2016: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27765666/safety-efficacy-and-pharmacokinetics-of-a-single-tablet-regimen-containing-elvitegravir-cobicistat-emtricitabine-and-tenofovir-alafenamide-in-treatment-naive-hiv-infected-adolescents-a-single-arm-open-label-trial
#6
Aditya H Gaur, Hilda Kizito, Wasana Prasitsueubsai, Natella Rakhmanina, Mohammed Rassool, Rana Chakraborty, Jagmohan Batra, Pope Kosalaraksa, Wicharn Luesomboon, Danielle Porter, Yongwu Shao, Michael Myers, Lillian Ting, Devi SenGupta, Erin Quirk, Martin S Rhee
BACKGROUND: The prodrug tenofovir alafenamide is associated with improved renal and bone safety compared with tenofovir disoproxil fumarate. We aimed to assess safety, pharmacokinetics, and efficacy of this single-tablet, fixed-dose combination of elvitegravir, cobicistat, emtricitabine, and tenofovir alafenamide in HIV-infected, treatment-naive adolescents. METHODS: We did a 48 week, single-arm, open-label trial in treatment-naive adolescents with HIV from ten hospital clinics in South Africa, Thailand, Uganda, and the USA...
December 2016: Lancet HIV
https://www.readbyqxmd.com/read/27705955/changing-head-model-extent-affects-finite-element-predictions-of-transcranial-direct-current-stimulation-distributions
#7
Aprinda Indahlastari, Munish Chauhan, Benjamin Schwartz, Rosalind J Sadleir
OBJECTIVE: In this study, we determined efficient head model sizes relative to predicted current densities in transcranial direct current stimulation (tDCS). APPROACH: Efficiency measures were defined based on a finite element (FE) simulations performed using nine human head models derived from a single MRI data set, having extents varying from 60%-100% of the original axial range. Eleven tissue types, including anisotropic white matter, and three electrode montages (T7-T8, F3-right supraorbital, Cz-Oz) were used in the models...
December 2016: Journal of Neural Engineering
https://www.readbyqxmd.com/read/27689114/correlation-between-cystatin-c-based-formulas-schwartz-formula-and-urinary-creatinine-clearance-for-glomerular-filtration-rate-estimation-in-children-with-kidney-disease
#8
Afshin Safaei-Asl, Mercede Enshaei, Abtin Heydarzadeh, Shohreh Maleknejad
INTRODUCTION: Assessment of glomerular filtration rate (GFR) is an important tool for monitoring renal function. OBJECTIVES: Regarding to limitations in available methods, we intended to calculate GFR by cystatin C (Cys C) based formulas and determine correlation rate of them with current methods. PATIENTS AND METHODS: We studied 72 children (38 boys and 34 girls) with renal disorders. The 24 hour urinary creatinine (Cr) clearance was the gold standard method...
2016: Journal of Renal Injury Prevention
https://www.readbyqxmd.com/read/27648290/plasma-glucose-and-insulin-response-to-two-oral-nutrition-supplements-in-adults-with-type-2-diabetes-mellitus
#9
Maureen B Huhmann, Kristen N Smith, Sherwyn L Schwartz, Stacie K Haller, Sarah Irvin, Sarah S Cohen
OBJECTIVE: The purpose of this clinical trial was to compare the glucose usage of two oral nutritional supplement (ONS) products and to assess whether a diabetes-specific formulation provides improved glucose stabilization and management compared with a standard formula. RESEARCH DESIGN AND METHODS: A total of 12 subjects with type 2 diabetes (7 males and 5 females) completed a randomized, cross-over design trial. Each subject consumed isocaloric amounts of either the standard ONS or the diabetes-specific formula ONS on different dates, 1 week apart...
2016: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/27613652/analytic-modeling-of-neural-tissue-i-a-spherical-bidomain
#10
Benjamin L Schwartz, Munish Chauhan, Rosalind J Sadleir
Presented here is a model of neural tissue in a conductive medium stimulated by externally injected currents. The tissue is described as a conductively isotropic bidomain, i.e. comprised of intra and extracellular regions that occupy the same space, as well as the membrane that divides them, and the injection currents are described as a pair of source and sink points. The problem is solved in three spatial dimensions and defined in spherical coordinates [Formula: see text]. The system of coupled partial differential equations is solved by recasting the problem to be in terms of the membrane and a monodomain, interpreted as a weighted average of the intra and extracellular domains...
December 2016: Journal of Mathematical Neuroscience
https://www.readbyqxmd.com/read/27542858/cystatin-c-calculated-gfr-a-marker-of-early-renal-dysfunction-in-patients-with-neuropathic-bladder
#11
Pankaj P Dangle, Omar Ayyash, Audry Kang, Carlton Bates, Janelle Fox, Heidi Stephany, Glenn Cannon
OBJECTIVE: To asses if cystatin c calculated GFR can reveal CKD not detected by creatinine-based calculations in a larger prospective cohort of children with MMC. Wheel chair bound meningomyelocele (MMC) patients frequently have low muscle mass, and assessing renal deterioration based on creatinine based glomerular filtration rate is imprecise. MMC patients are also at risk for end stage renal disease. METHODS: Prospectively enrolled patients with MMC underwent annual serum creatinine and cystatin c testing...
August 16, 2016: Urology
https://www.readbyqxmd.com/read/27508764/-op-6a-01-renalase-in-children-with-glomerular-kidney-diseases
#12
P Skrzypczyk, M Panczyk-Tomaszewska, J Przychodzien, M Mizerska-Wasiak, E Kuzma-Mroczkowska, E Gorska, A Stelmaszczyk-Emmel
OBJECTIVE: Renalase is a protein produced mainly by kidneys. Renalase inactivates circulating catecholamines catalyzing process of their oxidation. Studies in adults with kidney disease suggest that renalase may play a role in pathogenesis of hypertension and target organ damage. The aim of the study was to assess level of renalase in children with glomerular kidney diseases and to find the relation between renalase level and clinical parameters in this group of patients. DESIGN AND METHOD: In 78 children (47 M, 31F) aged from 3...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27499411/salvageability-of-renal-function-following-renal-revascularisation-in-children-with-takayasu-s-arteritis-induced-renal-artery-stenosis
#13
Patience Ngozi Obiagwu, Priya Gajjar, Mignon McCulloch, Christian Scott, Alp Numanoglu, Peter Nourse
BACKGROUND: Renal artery revascularisation procedures are usually carried out on children with renal artery stenosis from varied causes, including Takayasu's arteritis. Reports on the outcome of such procedures in children usually refer to the improvement in blood pressure, with only minimal mention of effects on renal function. OBJECTIVE: Salvageability of renal function in children who underwent renal revascularisation for Takayasu's arteritis-induced renal artery stenosis (TARAS) was the focus of this study...
August 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/27353352/masked-hypertension-and-allograft-function-in-pediatric-and-young-adults-kidney-transplant-recipients
#14
Gilad Hamdani, Edward J Nehus, David K Hooper, Mark M Mitsnefes
Masked hypertension is a common complication of pediatric kidney transplantation. While office hypertension is known to be associated with worse short- and long-term graft function, the role of masked hypertension in allograft dysfunction is not clear. We conducted a retrospective cross-sectional analysis of 77 consecutive pediatric kidney transplant recipients who had routine 24-h ambulatory blood pressure monitoring with the aims to estimate the prevalence of masked hypertension and examine its association with allograft function...
June 28, 2016: Pediatric Transplantation
https://www.readbyqxmd.com/read/27312122/zeaxanthin-based-dietary-supplement-and-topical-serum-improve-hydration-and-reduce-wrinkle-count-in-female-subjects
#15
Steve Schwartz, Emily Frank, Dennis Gierhart, Paula Simpson, Robert Frumento
BACKGROUND: Dietary modification, through supplementation and elimination diets, has become an area of interest to help slow skin aging, reduce symptom severity or prevent reoccurrence of certain dermatologic conditions [Clinical Dermatology vol. 31 (2013) 677-700]. Free radical components (reactive oxygen species or ROS) or lipid peroxide (LPO) is involved in the pathogenesis and progression of accelerated skin aging when prolonged oxidative stress occurs. The use of antioxidant-related therapies such as nutraceuticals is of particular interest in restoring skin homeostasis...
June 17, 2016: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/27258789/survival-and-metabolic-activity-of-listeria-monocytogenes-on-ready-to-eat-roast-beef-stored-at-4-%C3%A2-c
#16
Johnathan W Broady, Dong Han, Jing Yuan, Chao Liao, Christy L Bratcher, Mark R Lilies, Elizabeth H Schwartz, Luxin Wang
Three brands of commercial roast beef were purchased and artificially inoculated with a 5-strain Listeria monocytogenes cocktail at 2 inoculation levels (approximately 3 and 6 Log CFU/g). Although all 3 brands contained sodium diacetate and sodium lactate, inoculated Listeria cocktail survived for 16 d in all 3 brands; significant increases in L. monocytogenes numbers were seen on inoculated Brand B roast beef on days 12 and 16. Numbers of L. monocytogenes increased to 4.14 Log CFU/g for the 3 Log CFU/g inoculation level and increased to 7...
July 2016: Journal of Food Science
https://www.readbyqxmd.com/read/27105881/combined-liver-and-kidney-transplantation-in-children-analysis-of-renal-graft-outcome
#17
Randula Ranawaka, Carla Lloyd, Pat J McKiernan, Sally A Hulton, Khalid Sharif, David V Milford
BACKGROUND: Combined liver-kidney transplantation (CLKT) is the accepted treatment for patients with both liver failure and progressive renal insufficiency. Long-term outcome data for CLKT in children is sparse and controversy exists as to whether simultaneous CLKT with organs from the same donor confers immunologic and survival benefit to the kidney allograft. We report the long-term renal graft outcomes of 40 patients who had simultaneous CLKT. METHODS: A retrospective analysis of kidney graft survival (time from transplantation to death, return to dialysis or last follow-up event) in all pediatric patients (age < 18 years old) who underwent CLKT from March 1994 to January 2015...
September 2016: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/27069964/correlation-of-cystatin-c-and-creatinine-based-estimates-of-renal-function-in-children-with-hydronephrosis
#18
Hossein-Emad Momtaz, Arash Dehghan, Mohammad Karimian
INTRODUCTION: The use of a simple and accurate glomerular filtration rate (GFR) estimating method aiming minute assessment of renal function can be of great clinical importance. OBJECTIVES: This study aimed to determine the association of a GFR estimating by equation that includes only cystatin C (Gentian equation) to equation that include only creatinine (Schwartz equation) among children. PATIENTS AND METHODS: A total of 31 children aged from 1 day to 5 years with the final diagnosis of unilateral or bilateral hydronephrosis referred to Besat hospital in Hamadan, between March 2010 and February 2011 were consecutively enrolled...
2016: Journal of Renal Injury Prevention
https://www.readbyqxmd.com/read/27034153/acute-kidney-injury-and-the-risk-of-mortality-in-children-undergoing-hematopoietic-stem-cell-transplantation
#19
Sarah J Kizilbash, Clifford E Kashtan, Blanche M Chavers, Qing Cao, Angela R Smith
Acute kidney injury (AKI) is a well-documented complication of pediatric hematopoietic stem cell transplantation (HSCT). Dialysis after HSCT is associated with a lower overall survival (OS); however, the association between less severe AKI and OS is unclear. We retrospectively studied 205 consecutive pediatric HSCT patients to determine the incidence and impact of all stages of AKI on OS in pediatric HSCT recipients. We used the peak pRIFLE grade during the first 100 days to classify AKI (ie, R = risk, I = injury, F = failure, L = loss of function, E = end-stage renal disease) and used the modified Schwartz formula to estimate glomerular filtration rate...
July 2016: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/26917052/practice-recommendations-for-the-monitoring-of-renal-function-in-pediatric-non-renal-organ-transplant-recipients
#20
Guido Filler, Anette Melk, Stephen D Marks
The management of non-renal pediatric solid organ transplant recipients has become complex over the last decade with innovations in immunosuppression and surgical techniques. Post-transplantation follow-up is essential to ensure that children have functioning allografts for as long as possible. CKD is highly prevalent in these patients, often under recognized, and has a profound impact on patient survival. These practice recommendations focus on the early detection and management of hypertension, proteinuria, and renal dysfunction in non-renal pediatric solid organ transplant recipients...
May 2016: Pediatric Transplantation
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