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Susan Furth

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https://www.readbyqxmd.com/read/29921452/childhood-kidney-disease-a-troubling-prognosis
#1
EDITORIAL
Darcy K Weidemann, Bradley A Warady, Susan L Furth
No abstract text is available yet for this article.
June 16, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29893643/regional-cerebral-blood-flow-in-children-and-young-adults-with-chronic-kidney-disease
#2
Hua-Shan Liu, Erum A Hartung, Abbas F Jawad, Jeffrey B Ware, Nina Laney, Allison M Port, Ruben C Gur, Stephen R Hooper, Jerilynn Radcliffe, Susan L Furth, John A Detre
Purpose To investigate the pathophysiologic effects of chronic kidney disease (CKD) on brain function in children with CKD by correlating cerebral blood flow (CBF) with clinical and behavioral indexes. Materials and Methods In this prospective study, 73 pediatric patients with CKD (mean age, 15.80 years ± 3.63; range, 9-25 years) and 57 control subjects (mean age, 15.65 years ± 3.76; range, 9-25 years) were recruited. CBF measurements were acquired with an MRI arterial spin labeling scheme. Neurocognitive measurements were performed with traditional and computerized neurocognitive batteries...
June 12, 2018: Radiology
https://www.readbyqxmd.com/read/29887227/time-varying-coefficient-of-determination-to-quantify-the-explanatory-power-of-biomarkers-on-longitudinal-gfr-among-children-with-chronic-kidney-disease
#3
Derek K Ng, Anthony A Portale, Susan L Furth, Bradley A Warady, Alvaro Muñoz
PURPOSE: Coefficients of determination (R2 ) for continuous longitudinal data are typically reported as time constant, if they are reported at all. The widely used mixed model with random intercepts and slopes yields the total outcome variance as a time-varying function. We propose a generalized and intuitive approach based on this variance function to estimate the time-varying predictive power (R2 ) of a variable on outcome levels and changes. METHODS: Using longitudinal estimated glomerular filtration rate (eGFR) from the Chronic Kidney Disease in Children Study, linear mixed models characterized the R2 for two chronic kidney disease (CKD) risk factors measured at baseline: a traditional marker (proteinuria) and a novel marker (fibroblast growth factor 23 [FGF23])...
May 17, 2018: Annals of Epidemiology
https://www.readbyqxmd.com/read/29872963/waist-to-height-ratio-body-mass-index-and-cardiovascular-risk-profile-in-children-with-chronic-kidney-disease
#4
Kristen Sgambat, Jennifer Roem, Mark Mitsnefes, Anthony A Portale, Susan Furth, Bradley Warady, Asha Moudgil
BACKGROUND: Cardiovascular (CV) risk is high in children with chronic kidney disease (CKD), and further compounded in those who are overweight. Children with CKD have a unique body habitus not accurately assessed by body mass index (BMI). Waist-to-height ratio (WHr), a better predictor of CV risk in populations with short stature, has not been investigated in children with CKD. METHODS: Analysis of 1723 visits of 593 participants enrolled in the Chronic Kidney Disease in Children (CKiD) study was conducted...
June 5, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29735307/combination-of-pediatric-and-adult-formulas-yield-valid-glomerular-filtration-rate-estimates-in-young-adults-with-a-history-of-pediatric-chronic-kidney-disease
#5
Derek K Ng, George J Schwartz, Michael F Schneider, Susan L Furth, Bradley A Warady
As patients with chronic kidney disease (CKD) transition from pediatric nephrology care to adult care, their kidney function is clinically assessed by estimated glomerular filtration rate (eGFR) using both pediatric and adult equations, which may not be congruent. Here we evaluated commonly used eGFR equations and directly measured iohexol GFR (iGFR) among participants between ages 18 and 26 with a diagnosis of pediatric CKD in the Chronic Kidney Disease in Children (CKiD) cohort. The bedside serum creatinine (SCr)-only equation (CKiDSCr ), the SCr-only CKD-EPI (CKD-EPISCr ), the cystatin C (Cys)-only CKD-EPI (CKD-EPICys ) and the combined SCr and Cys CKD-EPI (CKD-EPISCr-Cys ) were compared with a) 279 measured iGFRs obtained from 187 participants and b) 548 eGFRs from the SCr and Cys-based CKiD equation (CKiDSCr-Cys ) obtained from 219 participants...
May 5, 2018: Kidney International
https://www.readbyqxmd.com/read/29604324/effect-of-blood-t1-estimation-strategy-on-arterial-spin-labeled-cerebral-blood-flow-quantification-in-children-and-young-adults-with-kidney-disease
#6
Hua-Shan Liu, Abbas F Jawad, Nina Laney, Erum A Hartung, Susan L Furth, John A Detre
PURPOSE: To compare blood T1 estimation approaches used for quantifying cerebral blood flow (CBF) with arterial spin labeled (ASL) perfusion MRI in a developmental cohort of chronic kidney disease (CKD) patients with anemia and a control group. METHODS: 61 patients with CKD and 47 age-matched control subjects were studied. Blood T1 approaches included: (1) a fixed value, (2) estimation based on measured hematocrit (Hct), and (3) estimation based on Age+Sex using a published formula...
March 28, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29602631/a-randomized-trial-of-a-multicomponent-intervention-to-promote-medication-adherence-the-teen-adherence-in-kidney-transplant-effectiveness-of-intervention-trial-take-it
#7
Bethany J Foster, Ahna L H Pai, Nataliya Zelikovsky, Sandra Amaral, Lorraine Bell, Vikas R Dharnidharka, Diane Hebert, Crystal Holly, Baerbel Knauper, Douglas Matsell, Veronique Phan, Rachel Rogers, Jodi M Smith, Huaqing Zhao, Susan L Furth
BACKGROUND: Poor adherence to immunosuppressive medications is a major cause of premature graft loss among children and young adults. Multicomponent interventions have shown promise but have not been fully evaluated. STUDY DESIGN: Unblinded parallel-arm randomized trial to assess the efficacy of a clinic-based adherence-promoting intervention. SETTING & PARTICIPANTS: Prevalent kidney transplant recipients 11 to 24 years of age and 3 or more months posttransplantation at 8 kidney transplantation centers in Canada and the United States (February 2012 to May 2016) were included...
March 15, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29440119/twenty-four-hour-ambulatory-blood-pressure-versus-clinic-blood-pressure-measurements-and-risk-of-adverse-outcomes-in-children-with-ckd
#8
Elaine Ku, Charles E McCulloch, Bradley A Warady, Susan L Furth, Barbara A Grimes, Mark M Mitsnefes
BACKGROUND: and objectives Our objective was to determine whether clinic BPs (taken at either a single visit or two sequential visits) are inferior to ambulatory BPs in their ability to discriminate risk of adverse outcomes in children with CKD. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We included 513 participants of the CKD in Children Study who had clinic BPs and 24-hour ambulatory BP monitoring performed during similar timeframes. Predictors of interest were systolic BPs taken at a single visit or two repeated visits within a 1-year period compared with mean wake and sleep systolic ambulatory BPs...
March 7, 2018: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/29398180/brain-magnetic-resonance-imaging-findings-in-children-and-young-adults-with-ckd
#9
Erum A Hartung, Guray Erus, Abbas F Jawad, Nina Laney, Jimit J Doshi, Stephen R Hooper, Jerilynn Radcliffe, Christos Davatzikos, Susan L Furth
BACKGROUND: The neuroanatomic basis for cognitive impairment in chronic kidney disease (CKD) is incompletely characterized. We performed advanced quantitative structural magnetic resonance imaging (MRI) to determine whether CKD affects brain structure and whether poorer neurocognitive performance in CKD is associated with structural brain differences. STUDY DESIGN: Cross-sectional. SETTING & PARTICIPANTS: 85 individuals with CKD stages 2 to 5 and 63 healthy controls, aged 8 to 25 years PREDICTORS: CKD versus control, estimated glomerular filtration rate (eGFR), and kidney transplant status were analyzed as predictors of MRI findings...
February 1, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29295853/is-blood-pressure-improving-in-children-with-chronic-kidney-disease-a-period-analysis
#10
Gina-Marie Barletta, Christopher Pierce, Mark Mitsnefes, Joshua Samuels, Bradley A Warady, Susan Furth, Joseph Flynn
Uncontrolled hypertension in children with chronic kidney disease (CKD) has been identified as one of the main factors contributing to progression of CKD and increased risk for cardiovascular disease. Recent efforts to achieve better blood pressure (BP) control have been recommended. The primary objective of this analysis was to compare BP control over 2 time periods among participants enrolled in the CKiD study (Chronic Kidney Disease in Children). Casual BP and 24-hour ambulatory BP monitor data were compared among 851 participants during 2 time periods: January 1, 2005, through July 1, 2008 (period 1, n=345), and July 1, 2010, through December 31, 2013 (period 2, n=506)...
March 2018: Hypertension
https://www.readbyqxmd.com/read/29289860/assessment-of-the-combination-of-temperature-and-relative-humidity-on-kidney-stone-presentations
#11
Michelle E Ross, Ana M Vicedo-Cabrera, Robert E Kopp, Lihai Song, David S Goldfarb, Jose Pulido, Steven Warner, Susan L Furth, Gregory E Tasian
Temperature and relative humidity have opposing effects on evaporative water loss, the likely mediator of the temperature-dependence of nephrolithiasis. However, prior studies considered only dry-bulb temperatures when estimating the temperature-dependence of nephrolithiasis. We used distributed lag non-linear models and repeated 10-fold cross-validation to determine the daily temperature metric and corresponding adjustment for relative humidity that most accurately predicted kidney stone presentations during hot and cold periods in South Carolina from 1997 to 2015...
April 2018: Environmental Research
https://www.readbyqxmd.com/read/29214443/contribution-of-symmetric-dimethylarginine-to-gfr-decline-in-pediatric-chronic-kidney-disease
#12
Ellen R Brooks, Shannon Haymond, Alfred Rademaker, Christopher Pierce, Irene Helenowski, Rod Passman, Faye Vicente, Bradley A Warady, Susan L Furth, Craig B Langman
BACKGROUND: In pediatric chronic kidney disease (pCKD), traditional factors (proteinuria, etiology, and race) do not fully explain disease progression. The levels of methylated arginine derivatives (MADs: asymmetric and symmetric dimethylarginine, respectively) rise in CKD and increase with CKD progression. The impact of MADs on glomerular filtration rate (GFR) decline has not been examined in pCKD. The aim of this study was to examine the additive impact of baseline (BL) levels of MADs on directly measured GFR (mGFR) decline per year (ml/min/1...
April 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29196584/family-support-during-resuscitation-a-quality-improvement-initiative
#13
Rache Marie Mureau-Haines, Mandy Boes-Rossi, Susan Christine Casperson, Basak Çoruh, Amy M Furth, Amy Haverland, Farah Herrera, Tracy Hirai-Seaton, Carol Kummet, Hkori Ngo, Stephanie Shushan, Patricia A Kritek, Sheryl A Greco
BACKGROUND: Despite increasing support for family presence during cardiopulmonary resuscitation, a review of the literature revealed no published protocols or training curricula to guide hospitals in implementing a family support provider role. OBJECTIVES: To develop a curriculum and train dedicated resuscitation team members whose role is to provide family support during in-hospital resuscitation events. METHODS: An interdisciplinary team developed a 4-hour training session for the family support staff...
December 2017: Critical Care Nurse
https://www.readbyqxmd.com/read/29173296/waist-circumference-and-body-mass-index-in-children-with-chronic-kidney-disease-and-metabolic-cardiovascular-and-renal-outcomes
#14
MULTICENTER STUDY
Hiren P Patel, Jeffrey M Saland, Derek K Ng, Shuai Jiang, Bradley A Warady, Susan L Furth, Joseph T Flynn
OBJECTIVE: To describe the prevalence of obesity as estimated by waist circumference (WC) and body mass index (BMI) and compare associations of WC and BMI with indicators of metabolic, cardiovascular, and renal health in children with chronic kidney disease (CKD). STUDY DESIGN: Cross-sectional analysis stratified by CKD etiology (nonglomerular or glomerular) of 737 subjects. The kappa statistic was used to assess agreement between the 2 measures of obesity. Linear regression models were performed using WC and BMI as separate independent variables...
December 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29132947/associations-between-weight-loss-kidney-function-decline-and-risk-of-esrd-in-the-chronic-kidney-disease-in-children-ckid-cohort-study
#15
Elaine Ku, Joel D Kopple, Charles E McCulloch, Bradley A Warady, Susan L Furth, Robert H Mak, Barbara A Grimes, Mark Mitsnefes
BACKGROUND: Anorexia and malnutrition are associated with poor outcomes in children with chronic kidney disease (CKD). STUDY DESIGN: Observational cohort study. SETTING & PARTICIPANTS: We assessed changes in body mass index (BMI) as kidney function declines and its association with risk for end-stage renal disease (ESRD) among 854 participants followed between 2005 to 2013 in the CKD in Children (CKiD) Study. PREDICTORS: Repeated measurements of estimated glomerular filtration rate (eGFR) by serum creatinine concentration in our trajectory analysis using mixed models; change in BMI z score (per year) after eGFR decreased to <35mL/min/1...
May 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29113441/obesity-and-kidney-disease-hidden-consequences-of-the-epidemic
#16
REVIEW
Csaba P Kovesdy, Susan L Furth, Carmine Zoccali
No Abstract Available.
October 26, 2017: African Journal of Primary Health Care & Family Medicine
https://www.readbyqxmd.com/read/29025789/fgf23-and-left-ventricular-hypertrophy-in-children-with-ckd
#17
Mark M Mitsnefes, Aisha Betoko, Michael F Schneider, Isidro B Salusky, Myles Selig Wolf, Harald Jüppner, Bradley A Warady, Susan L Furth, Anthony A Portale
BACKGROUND AND OBJECTIVES: High plasma concentration of fibroblast growth factor 23 (FGF23) is a risk factor for left ventricular hypertrophy (LVH) in adults with CKD, and induces myocardial hypertrophy in experimental CKD. We hypothesized that high FGF23 levels associate with a higher prevalence of LVH in children with CKD. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We performed echocardiograms and measured plasma C-terminal FGF23 concentrations in 587 children with mild-to-moderate CKD enrolled in the Chronic Kidney Disease in Children (CKiD) study...
January 6, 2018: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28883987/obesity-and-kidney-disease-hidden-consequences-of-the-epidemic
#18
REVIEW
Csaba P Kovesdy, Susan L Furth, Carmine Zoccali
Obesity has become a worldwide epidemic, and its prevalence has been projected to grow by 40% in the next decade. This increasing prevalence has implications for the risk of diabetes, cardiovascular disease and also for chronic kidney disease. A high BMI is one of the strongest risk factors for new-onset chronic kidney disease. In individuals affected by obesity, a compensatory hyperfiltration occurs to meet the heightened metabolic demands of the increased body weight. The increase in intraglomerular pressure can damage the kidneys and raise the risk of developing chronic kidney disease in the long-term...
August 2017: Future Science OA
https://www.readbyqxmd.com/read/28795150/the-effects-of-tacrolimus-on-t-cell-proliferation-are-short-lived-a-pilot-analysis-of-immune-function-testing
#19
Benjamin L Laskin, Jing Jiao, H Jorge Baluarte, Sandra Amaral, Susan L Furth, Tatiana Akimova, Wayne W Hancock, Matthew H Levine, Peter P Reese, Ulf H Beier
BACKGROUND: Optimal immunosuppression after organ transplant should balance the risks of rejection, infection, and malignancy while minimizing barriers to adherence including frequent or time-sensitive dosing. There is currently no reliable immune function assay to directly measure the degree of immunosuppression after transplantation. METHODS: We developed an immune function assay to mea//sure T-cell proliferation after exposure to immunosuppression in vivo. We tested the assay in mice, and then piloted the approach using single time point samples, 11 pediatric kidney transplant recipients prescribed tacrolimus, mycophenolate, and prednisone 6 months to 5 years posttransplant, with no history of rejection, opportunistic infection, or cancer...
August 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28734655/cognitive-function-in-children-with-lupus-nephritis-a-cross-sectional-comparison-with-children-with-other-glomerular-chronic-kidney-diseases
#20
MULTICENTER STUDY
Andrea Knight, Amy J Kogon, Matthew B Matheson, Bradley A Warady, Susan L Furth, Stephen R Hooper
OBJECTIVE: To identify factors contributing to cognitive impairment in children with lupus nephritis. STUDY DESIGN: A cross-sectional analysis of a large multicenter national cohort of children with chronic kidney disease (CKD) using standardized measures to determine baseline neuropsychiatric function and health-related quality of life (HRQoL) in children with lupus nephritis (n = 34), and to compare baseline function with that in children with other forms of glomerular CKD (gCKD; n = 171)...
October 2017: Journal of Pediatrics
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