Journal articleCurr Osteoporos Rep · March 25, 2025
PURPOSE OF REVIEW: Chronic Kidney Disease-Mineral and Bone Disorder (CKD-MBD) is a complex condition impacting patients with kidney failure and characterized by inter-related features such as hyperparathyroidism, hyperphosphatemia, and hypocalcemia. Curren ...
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Journal articleKidney360 · March 1, 2025
KEY POINTS: We found poor ability to distinguish among different causes of death using clinical information in the 30 days before death for patients on hemodialysis. We found that models of different causes of death identified similar associated clinical f ...
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Journal articleAm J Kidney Dis · February 2025
RATIONALE & OBJECTIVE: Prescribing psychoactive medications for patients with kidney disease is common, but for patients receiving dialysis some medications may be inappropriate. We evaluated the association of coprescribing gabapentinoids and other psycho ...
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Journal articleAm J Kidney Dis · January 2025
RATIONALE & OBJECTIVE: Coronary artery calcification (CAC) progresses rapidly in people with chronic kidney disease (CKD) compared with the general population. We studied the association between CAC progression and higher risks of atherosclerotic cardiovas ...
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Journal articleClin J Am Soc Nephrol · December 1, 2024
KEY POINTS: For patients with ESKD treated with hemodialysis, the causes of death reported by the United States Renal Data System and the National Death Index show substantial disagreement. In particular, the proportion of sudden cardiac death was almost t ...
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Journal articleClin J Am Soc Nephrol · December 1, 2024
KEY POINTS: Breast and prostate cancer screening were more frequent among patients on hemodialysis waitlisted for kidney transplant. Among patients not waitlisted for transplant, we found that screening rates were generally higher among patients with highe ...
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Journal articleJ Ren Nutr · July 2024
OBJECTIVE: The gut microbiota contributes to metabolic diseases, such as diabetes and hypertension, but is poorly characterized in chronic kidney disease (CKD). DESIGN AND METHODS: We enrolled 24 adults within household pairs, in which at least one member ...
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Journal articleAm J Kidney Dis · July 2024
RATIONALE & OBJECTIVE: The life expectancy of patients treated with maintenance hemodialysis (MHD) is heterogeneous. Knowledge of life-expectancy may focus care decisions on near-term versus long-term goals. The current tools are limited and focus on near- ...
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Journal articleJ Nutr · July 2024
BACKGROUND: Fruits and vegetables (F&Vs) are vital components of healthy diets but may be restricted in chronic kidney disease (CKD) to avoid high-potassium intake. We previously generated F&V patterns for patients in the National Health and Nutrition Exam ...
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Journal articleJ Am Soc Nephrol · March 1, 2024
SIGNIFICANCE STATEMENT: Black adults in the United States have 2-4 times higher incidence of kidney failure than White adults. Yet, the reasons underlying this disparity remain poorly understood. Among 547,188 US veterans with new-onset CKD, according to a ...
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Journal articleAm J Kidney Dis · January 2024
RATIONALE & OBJECTIVE: Optimal approaches to treat secondary hyperparathyroidism (SHPT) in patients on maintenance hemodialysis (HD) have yet to be established in randomized controlled trials (RCTs). STUDY DESIGN: Two observational clinical trial emulation ...
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Journal articleProc Natl Acad Sci U S A · July 4, 2023
Eating a varied diet is a central tenet of good nutrition. Here, we develop a molecular tool to quantify human dietary plant diversity by applying DNA metabarcoding with the chloroplast trnL-P6 marker to 1,029 fecal samples from 324 participants across two ...
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Journal articleAm J Kidney Dis · June 2023
RATIONALE & OBJECTIVE: Black patients and those with diabetes or reduced kidney function experience a disproportionate burden of acute kidney injury (AKI) and cardiovascular events. However, whether these factors modify the association between AKI and card ...
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Journal articleSemin Nephrol · March 2023
Metabolic acidosis is a common complication in patients with chronic kidney disease that occurs when the daily nonvolatile acid load produced in metabolism cannot be excreted fully by the kidney. A reduction in urine net acid excretion coupled with a high ...
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Journal articleJ Ren Nutr · January 2023
OBJECTIVE: To characterize patterns of fruit and vegetable (F&V) intake in US adults with and without chronic kidney disease (CKD). METHODS: We used 24-hour dietary recall data from multiple cycles of the National Health and Nutrition Examination Survey sp ...
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Journal articleKidney360 · September 29, 2022
BACKGROUND: Frailty is present in ≥50% of older adults receiving dialysis. Our objective was to a develop an administrative data-based frailty index and assess the frailty index's predictive validity for mortality and future hospitalizations. METHODS: We u ...
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Journal articleAm J Clin Nutr · August 4, 2022
BACKGROUND: High phosphorus (P) exposure may have negative effects on kidney function. Nutrient databases provide total P, but bioavailability varies by source. OBJECTIVES: We aimed to assess natural, added, and bioavailable P intake, and to relate these t ...
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Journal articleAdv Chronic Kidney Dis · July 2022
Human kidneys are well adapted to excrete the daily acid load from diet and metabolism in order to maintain homeostasis. In approximately 30% of patients with more advanced stages of CKD, these homeostatic processes are no longer adequate, resulting in met ...
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Journal articleAm J Nephrol · 2022
INTRODUCTION: Metabolomics could offer novel prognostic biomarkers and elucidate mechanisms of diabetic kidney disease (DKD) progression. Via metabolomic analysis of urine samples from 995 CRIC participants with diabetes and state-of-the-art statistical mo ...
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Journal articleMetabolomics · December 20, 2021
INTRODUCTION: Urine tricarboxylic acid (TCA) cycle organic anions (OAs) are elevated in diabetes and may be biomarkers for diabetic kidney disease (DKD) progression. OBJECTIVES: We assessed associations of 10 urine TCA cycle OAs with estimated glomerular f ...
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Journal articleBMC Nephrol · November 11, 2021
BACKGROUND: Individuals with chronic kidney disease (CKD), hypertension (HTN), or diabetes mellitus (DM) are at increased risk for cardiovascular disease (CVD). The extent to which psychosocial factors are associated with increased CVD risk within these in ...
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Journal articleJ Card Fail · November 2021
BACKGROUND: Greater variability in the estimated glomerular filtration rate (eGFR) is associated with higher mortality in patients with chronic kidney disease (CKD). Heart failure (HF) is common in CKD and may increase variability through changes in hemody ...
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Journal articleNephrol Dial Transplant · August 27, 2021
BACKGROUND: Patients with chronic kidney disease (CKD) face risks of not only end-stage kidney disease (ESKD), cardiovascular disease (CVD) and death, but also decline in kidney function, quality of life (QOL) and mental and physical well-being. This study ...
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Journal articleAm J Kidney Dis · July 2021
RATIONALE & OBJECTIVE: Patients with CKD are at elevated risk of metabolic acidosis due to impaired net acid excretion (NAE). Identifying early markers of acidosis may guide prevention in chronic kidney disease (CKD). This study compared NAE in participant ...
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Journal articleBMC Nephrol · June 19, 2021
BACKGROUND AND OBJECTIVES: After dialysis initiation, older adults may experience orthostatic or post-dialysis hypotension. Some orthostasis-causing antihypertensives (i.e., central alpha agonists and alpha blockers), are considered potentially inappropria ...
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Journal articleNutrients · May 22, 2021
We aimed to identify plasma and urine metabolites altered by the Dietary Approaches to Stop Hypertension (DASH) diet in a post-hoc analysis of a pilot feeding trial. Twenty adult participants with un-medicated hypertension consumed a Control diet for one w ...
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Journal articleJ Am Soc Nephrol · March 2021
BACKGROUND: Undergoing percutaneous coronary intervention (PCI) is a risk factor for AKI development, but few studies have quantified racial differences in AKI incidence after this procedure. METHODS: We examined the association of self-reported race (Blac ...
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Journal articleAm J Kidney Dis · February 2021
RATIONALE & OBJECTIVE: Current dietary guidelines recommend that patients with chronic kidney disease (CKD) restrict individual nutrients, such as sodium, potassium, phosphorus, and protein. This approach can be difficult for patients to implement and igno ...
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Journal articleAm J Kidney Dis · January 2021
Phosphate binders are among the most common medications prescribed to patients with kidney failure receiving dialysis and are often used in advanced chronic kidney disease (CKD). In patients with CKD glomerular filtration rate category 3a (G3a) or worse, i ...
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Journal articleAm J Kidney Dis · January 2021
RATIONALE & OBJECTIVE: Identification of novel risk factors for chronic kidney disease (CKD) progression may inform mechanistic investigations and improve identification of high-risk subgroups. The current study aimed to characterize CKD progression across ...
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Journal articleAm Heart J · January 2021
UNLABELLED: Statins failed to reduce cardiovascular (CV) events in trials of patients on dialysis. However, trial populations used criteria that often excluded those with atherosclerotic heart disease (ASHD), in whom statins have the greatest benefit, and ...
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Journal articlePLoS Med · December 2020
BACKGROUND: Adults with chronic kidney disease (CKD) are hospitalized more frequently than those without CKD, but the magnitude of this excess morbidity and the factors associated with hospitalizations are not well known. METHODS AND FINDINGS: Data from 3, ...
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Journal articleClin J Am Soc Nephrol · November 6, 2020
BACKGROUND AND OBJECTIVES: With multiple medications indicated for mineral metabolism, dialysis providers can apply various strategies to achieve target phosphate and parathyroid hormone (PTH) levels. We describe common prescribing patterns and practice va ...
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Journal articleAm J Kidney Dis · October 2020
RATIONALE & OBJECTIVE: Biomarkers that provide reliable evidence of future diabetic kidney disease (DKD) are needed to improve disease management. In a cross-sectional study, we previously identified 13 urine metabolites that had levels reduced in DKD comp ...
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Journal articleAm J Kidney Dis · June 2020
RATIONALE & OBJECTIVE: Studies using a single measurement of fibroblast growth factor 23 (FGF-23) suggest that elevated FGF-23 levels are associated with increased risk for requirement for kidney replacement therapy (KRT) in patients with chronic kidney di ...
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Journal articleClin J Am Soc Nephrol · March 6, 2020
BACKGROUND AND OBJECTIVES: Low socioeconomic status confers unfavorable health, but the degree and mechanisms by which life course socioeconomic status affects kidney health is unclear. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We examined the associa ...
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Journal articleAnn N Y Acad Sci · February 2020
Diabetes mellitus and obesity both contribute to chronic kidney disease (CKD) and diabetic kidney disease (DKD), and they can accelerate the loss of kidney function. Dietary intake can potentially have wide-reaching effects on the risk of CKD/DKD and their ...
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Journal articleAm J Kidney Dis · February 2020
RATIONALE & OBJECTIVE: The pathogenesis of disordered mineral metabolism in chronic kidney disease (CKD) is largely informed by cross-sectional studies of humans and longitudinal animal studies. We sought to characterize the longitudinal evolution of disor ...
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Journal articleHemodial Int · January 2020
INTRODUCTION: Vascular access dysfunction is a major cause of morbidity in patients with end-stage renal disease (ESRD) on chronic hemodialysis. The effects of abnormalities in mineral metabolism on vascular access are unclear. In this study, we evaluated ...
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Journal articleClin J Am Soc Nephrol · November 7, 2019
BACKGROUND AND OBJECTIVES: Patients with CKD are at high risk for cardiovascular disease, ESKD, and mortality. Vascular calcification is one pathway through which cardiovascular disease risks are increased. We hypothesized that a novel measure of serum cal ...
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Journal articleAm J Hypertens · September 24, 2019
BACKGROUND: The Dietary Approaches to Stop Hypertension (DASH) diet lowers blood pressure (BP) more effectively in blacks compared to other US racial subgroups. Considering chronic kidney disease (CKD) raises BP through complex mechanisms, DASH may affect ...
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Journal articleAm J Kidney Dis · August 2019
RATIONALE & OBJECTIVE: Higher urine net acid excretion (NAE) is associated with slower chronic kidney disease progression, particularly in patients with diabetes mellitus. To better understand potential mechanisms and assess modifiable components, we explo ...
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Journal articleBMC Nephrol · July 15, 2019
BACKGROUND: There is limited evidence on the relationship between social support and renal outcomes in African Americans. We sought to determine the association of social support with prevalent chronic kidney disease (CKD) and kidney function decline in an ...
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Journal articleAm J Kidney Dis · June 2019
RATIONALE & OBJECTIVE: Coronary artery calcification (CAC) is prevalent among patients with chronic kidney disease (CKD) and increases risks for cardiovascular disease events and mortality. We hypothesized that a novel serum measure of calcification propen ...
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Journal articleJACC Heart Fail · May 2019
Large randomized clinical trials (RCT) supporting guidelines for the management of heart failure with reduced ejection fraction (HFrEF) have typically excluded patients with advanced chronic kidney disease (CKD). Patients with concomitant advanced CKD and ...
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Journal articleKidney Int Rep · March 2019
INTRODUCTION: Poor sleep associates with adverse chronic kidney disease (CKD) outcomes yet the biological mechanisms underlying this relation remain unclear. One proposed mechanism is via allostatic load, a cumulative biologic measure of stress. METHODS: U ...
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Journal articleBMC Nephrol · January 10, 2019
BACKGROUND: Use of routine medical care (RMC) is advocated to address ethnic/racial disparities in chronic kidney disease (CKD) risks, but use is less frequent among African Americans. Factors associated with low RMC use among African Americans at risk of ...
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Journal articleAm J Hypertens · January 1, 2019
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BACKGROUND: Higher dietary phosphorus is associated with left ventricular hypertrophy and mortality, which are blood pressure (BP)-related outcomes. For this reason, we hypothesized that dietary phosphorus may be associated with adverse clinic and ambulato ...
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Journal articleKidney Int Rep · January 2019
INTRODUCTION: Abnormalities in lipid metabolism may contribute to the development and progression of chronic kidney disease (CKD) in patients with type 2 diabetes. Fenofibrate induces early and reversible reduction in estimated glomerular filtration rate ( ...
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Journal articleAm J Kidney Dis · December 2018
Deficiency of 25-hydroxyvitamin D (25[OH]D) is common in patients with chronic kidney disease stages 3 and 4 and is associated with poor outcomes. However, the evaluation and management of vitamin D deficiency in nephrology remains controversial. This arti ...
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Journal articleSemin Nephrol · November 2018
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Chronic kidney disease mineral and bone disorder (MBD) encompasses changes in mineral ion and vitamin D metabolism that are widespread in the setting of chronic kidney disease and end-stage renal disease. MBD components associate with cardiovascular diseas ...
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Journal articleCurr Opin Nephrol Hypertens · July 2018
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PURPOSE OF REVIEW: Treatment of mineral metabolism is a mainstay of dialysis care including some of its most widely used and costly pharmaceuticals. Although many mineral metabolites are associated with increased risk of mortality, cardiovascular disease, ...
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Journal articleClin J Am Soc Nephrol · June 7, 2018
BACKGROUND AND OBJECTIVES: Type 2 diabetes and associated CKD disproportionately affect blacks. It is uncertain if racial disparities in type 2 diabetes-associated CKD are driven by biologic factors that influence propensity to CKD or by differences in typ ...
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Journal articleNephrol Dial Transplant · June 1, 2018
BACKGROUND: African Americans are at high risk for chronic kidney disease (CKD). Obesity may increase the risk for CKD by exacerbating features of the metabolic syndrome and promoting glomerular hyperfiltration. Whether other factors also affecting these p ...
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Journal articleClin J Am Soc Nephrol · February 7, 2018
BACKGROUND AND OBJECTIVES: Established risk factors for CKD do not fully account for risk of CKD in black Americans. We studied the association of nondepressive psychosocial factors with risk of CKD in the Jackson Heart Study. DESIGN, SETTING, PARTICIPANTS ...
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Journal articleJ Am Soc Nephrol · February 2018
Elevated fibroblast growth factor 23 (FGF23) levels, measured at a single time, are strongly associated with increased risk of mortality in patients with CKD. There are minimal data on serial FGF23 measurements in CKD. In a prospective case-cohort study of ...
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Journal articleAm J Nephrol · 2018
BACKGROUND: Arteriovenous (AV) access dysfunction is a common complication in hemodialysis patients. Markers of vascular calcification are associated with cardiovascular outcomes and mortality in this population, but their association with vascular access ...
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Journal articleAm J Kidney Dis · October 2017
BACKGROUND: The kidneys maintain acid-base homeostasis through excretion of acid as either ammonium or as titratable acids that primarily use phosphate as a buffer. In chronic kidney disease (CKD), ammoniagenesis is impaired, promoting metabolic acidosis. ...
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Journal articleCurr Diab Rep · April 2017
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PURPOSE OF REVIEW: Acid-base homeostasis is impaired in chronic kidney disease (CKD) and may contribute to disease progression. Diabetes, a major cause of CKD worldwide, may exacerbate acidosis further due to differences in acid production and excretion. H ...
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Journal articleKidney Int · March 2017
Inflammation is a consequence of chronic kidney disease (CKD) and is associated with adverse outcomes in many clinical settings. Inflammation stimulates production of fibroblast growth factor 23 (FGF23), high levels of which are independently associated wi ...
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Journal articleMedicine (Baltimore) · February 2017
Antihypertensive medications are commonly prescribed to hemodialysis patients but the optimal regimens to prevent morbidity and mortality are unknown. The goal of our study was to compare the association of routinely prescribed antihypertensive regimens wi ...
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Journal articleNephrol Dial Transplant · January 1, 2017
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BACKGROUND: The effect of maintenance intravenous (IV) iron administration on subsequent achievement of anemia management goals and mortality among patients recently initiating hemodialysis is unclear. METHODS: We performed an observational cohort study, i ...
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Journal articleKidney Int · January 2017
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Higher diet-dependent nonvolatile acid load is associated with faster chronic kidney disease (CKD) progression, but most studies have used estimated acid load or measured only components of the gold standard, net acid excretion (NAE). Here we measured NAE ...
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Journal articleJAMA Cardiol · August 1, 2016
IMPORTANCE: Levels of fibroblast growth factor 23 (FGF23) are elevated in chronic kidney disease (CKD) and strongly associated with left ventricular hypertrophy, heart failure, and death. Whether FGF23 is an independent risk factor for atrial fibrillation ...
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Journal articleClin J Am Soc Nephrol · April 7, 2016
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BACKGROUND AND OBJECTIVES: Disorders of mineral metabolism are more common in African Americans with CKD than in European Americans with CKD. Previous studies have focused on the differences in mineral metabolism by self-reported race, making it difficult ...
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Journal articleClin J Am Soc Nephrol · December 7, 2015
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BACKGROUND AND OBJECTIVES: Common apolipoprotein L1 (APOL1) variants are associated with increased risk of progressive CKD; however, not all individuals with high-risk APOL1 variants experience CKD progression. Identification of factors contributing to het ...
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Journal articleAm J Prev Med · December 2015
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INTRODUCTION: Greater distance to full-service supermarkets and low income may impair access to healthy diets and contribute to chronic kidney disease (CKD) and hypertension. The study aim was to determine relationships among residence in a "food desert," ...
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Journal articleBone · September 2015
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OBJECTIVE: Patients with type 2 diabetes (T2DM) are at increased risk of fracture. High prevalence of chronic kidney disease (CKD) in T2DM may contribute to bone fragility, but whether dynamic change in kidney function is associated with fracture risk is u ...
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Journal articleKidney Int · August 2015
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There are many unanswered questions about how to manage secondary hyperparathyroidism and associated alterations in mineral metabolism in patients with end-stage renal disease. We provide commentary on an observational study by Komaba et al. that presents ...
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Journal articleKidney Int · July 2015
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Normalization of acid-base homeostasis in chronic kidney disease (CKD) holds promise for mitigating disease progression, but whether efforts should focus on patients with low serum bicarbonate or high dietary acid load is unknown. Vallet et al. report that ...
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Journal articleCurr Opin Nephrol Hypertens · May 2015
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PURPOSE OF REVIEW: Fibroblast growth factor 23 (FGF23) regulates phosphate and vitamin D homeostasis and rises as kidney function declines. Animal studies have demonstrated direct and indirect effects of FGF23 that may promote heart disease. Herein, we rev ...
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Journal articleJ Am Heart Assoc · April 20, 2015
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BACKGROUND: Serum bicarbonate varies over time in chronic kidney disease (CKD) patients, and this variability may portend poor cardiovascular outcomes. The aim of this study was to conduct a time-updated longitudinal analysis to evaluate the association of ...
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Journal articleNephrol Dial Transplant · April 2015
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BACKGROUND: Intravenous iron use in hemodialysis patients has greatly increased over the last decade, despite limited studies on the safety of iron. METHODS: We studied the association of receipt of intravenous iron with hospitalizations in an incident coh ...
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Journal articleClin J Am Soc Nephrol · January 7, 2015
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BACKGROUND AND OBJECTIVES: High levels of fibroblast growth factor 23 are associated with accelerated progression of CKD. Whether high fibroblast growth factor 23 levels also predict incident CKD is uncertain. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: ...
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Journal articleAm J Nephrol · 2015
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BACKGROUND: Abnormalities in mineral homeostasis are ubiquitous in patients on dialysis, and influenced by race. In this study, we determine the race-specific relationship between mineral parameters and mortality in patients initiating hemodialysis. METHOD ...
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Journal articleClin J Am Soc Nephrol · November 7, 2014
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BACKGROUND AND OBJECTIVES: Clinical trials assessing effects of larger cumulative iron exposure with outcomes are lacking, and observational studies have been limited by assessment of short-term exposure only and/or failure to assess cause-specific mortali ...
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Journal articleKidney Int · October 2014
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The estimated glomerular filtration rate (eGFR) at dialysis initiation has been rising. Observational studies suggest harm, but may be confounded by unmeasured factors. As instrumental variable methods may be less biased, we performed a retrospective cohor ...
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Journal articleAm J Kidney Dis · May 2014
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BACKGROUND: Previous observational studies examining outcomes associated with the timing of dialysis therapy initiation in the United States have often been limited by lead time and survivor bias. STUDY DESIGN: Retrospective cohort study comparing the effe ...
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Journal articleBMC Nephrol · May 1, 2014
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BACKGROUND: This is the first study that has examined non-cardiac incidental findings in research cardiac computed tomography (CT) of hemodialysis patients and their relationship with patient characteristics. METHODS: We performed a cross-sectional analysi ...
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Journal articleNat Rev Nephrol · May 2014
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Disturbances in phosphate homeostasis are common in patients with chronic kidney disease. As kidney function declines, circulating concentrations of phosphate and the phosphate-regulatory hormone, fibroblast growth factor (FGF)-23, rise progressively. High ...
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Journal articleJ Am Soc Nephrol · April 2014
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BP variability (BPV) is an important predictor of outcomes in the general population, but its association with clinical outcomes in hemodialysis patients is not clear. We identified 11,291 patients starting dialysis in 2003-2008 and followed them through D ...
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Journal articleClin J Am Soc Nephrol · April 2014
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BACKGROUND: Vascular calcification is common among patients undergoing dialysis and is associated with mortality. Factors such as osteoprotegerin (OPG), osteopontin (OPN), bone morphogenic protein-7 (BMP-7), and fetuin-A are involved in vascular calcificat ...
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Journal articleLupus · February 2014
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BACKGROUND: African Americans with lupus who receive kidney transplants have high prevalence of predictors of allograft failure, which can explain their poor outcomes. METHODS: Of 1223 African Americans and 1029 Caucasian Americans with lupus who received ...
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Journal articleJ Am Soc Nephrol · February 2014
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An elevated level of fibroblast growth factor-23 (FGF-23) is the earliest abnormality of mineral metabolism in CKD. High FGF-23 levels promote left ventricular hypertrophy but not coronary artery calcification. We used survival analysis to determine whethe ...
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Journal articleJ Am Soc Nephrol · February 2014
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Studies of dialysis initiation timing have not accounted for predialysis clinical factors that could impact postdialysis outcomes. We examined the association of predialysis health with timing of dialysis initiation in older adult patients in the United St ...
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Journal articleNature Reviews Nephrology · January 1, 2014
Disturbances in phosphate homeostasis are common in patients with chronic kidney disease. As kidney function declines, circulating concentrations of phosphate and the phosphate-regulatory hormone, fibroblast growth factor (FGF)-23, rise progressively. High ...
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Journal articleBMC Nephrol · December 1, 2013
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BACKGROUND: There have been major changes in the management of anemia in US hemodialysis patients in recent years. We sought to determine the influence of clinical trial results, safety regulations, and changes in reimbursement policy on practice. METHODS: ...
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Journal articleBMC Nephrol · November 12, 2013
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BACKGROUND: Several observational studies have evaluated the effect of a single exposure window with blood pressure (BP) medications on outcomes in incident dialysis patients, but whether BP medication prescription patterns remain stable or a single exposu ...
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Journal articleAm J Kidney Dis · October 2013
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BACKGROUND: The purpose of this study is to evaluate serum bicarbonate level as a risk factor for renal outcomes, cardiovascular events, and mortality in patients with chronic kidney disease (CKD). STUDY DESIGN: Observational cohort study. SETTING & PARTIC ...
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Journal articleKidney Int · June 2013
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Elevated fibroblast growth factor 23 (FGF23) is associated with cardiovascular disease in patients with chronic kidney disease. As a potential mediating mechanism, FGF23 induces left ventricular hypertrophy; however, its role in arterial calcification is l ...
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Journal articleAdv Chronic Kidney Dis · March 2013
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Nonvolatile acid is produced from the metabolism of organic sulfur in dietary protein and the production of organic anions during the combustion of neutral foods. Organic anion salts that are found primarily in plant foods are directly absorbed in the gast ...
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Journal articleKidney Int · March 2013
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Previously, recipients of a simultaneous pancreas-kidney transplant versus a kidney transplant alone were thought to have higher fracture risk. Using a large US registry, Nikkel et al. observed lower rates of fracture hospitalization among patients with ty ...
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Journal articleJ Am Soc Nephrol · January 2013
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CKD progresses more rapidly to ESRD among African Americans compared with Caucasians. Disordered mineral metabolism is more severe among African Americans with CKD, which might partially explain the accelerated progression of their kidney disease. Here, us ...
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Journal articleAm J Transplant · January 2013
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Data on long-term outcomes of users of inhibitors of the mammalian target of rapamycin (mTORI) are lacking in kidney transplantation. In an analysis of 139 370 US kidney transplant recipients between 1999 through 2010, we compared clinical outcomes among u ...
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Journal articleBMC Nephrol · December 6, 2012
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BACKGROUND: Evidence is lacking to inform providers' and patients' decisions about many common treatment strategies for patients with end stage renal disease (ESRD). METHODS/DESIGN: The DEcIDE Patient Outcomes in ESRD Study is funded by the United States ( ...
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Journal articleJ Ren Nutr · July 2012
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BACKGROUND: Protein from plant, as opposed to animal, sources may be preferred in chronic kidney disease (CKD) because of the lower bioavailability of phosphate and lower nonvolatile acid load. STUDY DESIGN: Observational cross-sectional study. SETTING AND ...
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Journal articleKidney Int · July 2012
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Increased acid excretion may promote renal injury. To evaluate this in African Americans with hypertensive nephrosclerosis, we studied the association between the net endogenous acid production and progression of kidney disease in 632 patients in the AASK ...
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Journal articleDiabetes Care · May 2012
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OBJECTIVE: Disordered mineral metabolism is a common complication of chronic kidney disease (CKD) and a novel risk factor for CKD progression, cardiovascular disease, and mortality. Although diabetes is the leading cause of CKD and is associated with worse ...
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Journal articleClin J Am Soc Nephrol · November 2011
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BACKGROUND AND OBJECTIVES: Osteoprotegerin (OPG), a cytokine that regulates bone resorption, has been implicated in the process of vascular calcification and stiffness. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Serum OPG was measured in 351 participan ...
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Journal articleJ Clin Invest · November 2011
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Chronic kidney disease (CKD) is a public health epidemic that increases risk of death due to cardiovascular disease. Left ventricular hypertrophy (LVH) is an important mechanism of cardiovascular disease in individuals with CKD. Elevated levels of FGF23 ha ...
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Journal articleClin J Am Soc Nephrol · July 2011
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BACKGROUND AND OBJECTIVES: Metabolic acidosis may contribute to morbidity and disease progression in patients with chronic kidney disease (CKD). The ratio of dietary protein, the major source of nonvolatile acid, to dietary potassium, which is naturally bo ...
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Journal articleJAMA · June 15, 2011
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CONTEXT: A high level of the phosphate-regulating hormone fibroblast growth factor 23 (FGF-23) is associated with mortality in patients with end-stage renal disease, but little is known about its relationship with adverse outcomes in the much larger popula ...
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Journal articleKidney Int · June 2011
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Fibroblast growth factor 23 (FGF23) regulates phosphorus metabolism and is a strong predictor of mortality in dialysis patients. FGF23 is thought to be an early biomarker of disordered phosphorus metabolism in the initial stages of chronic kidney disease ( ...
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Journal articleAm J Nephrol · 2011
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BACKGROUND/AIMS: P-selectin is released by activated platelets and endothelium contributing to inflammation and thrombosis. We evaluated the association between soluble P-selectin and atherosclerotic cardiovascular disease (ASCVD) in dialysis patients. MET ...
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Journal articleJ Am Soc Nephrol · November 2010
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Hyperphosphatemia, which associates with adverse outcomes in CKD, is more common among blacks than whites for unclear reasons. Low socioeconomic status may explain this association because poverty both disproportionately affects racial and ethnic minoritie ...
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