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American Journal of Nephrology

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https://www.readbyqxmd.com/read/28445887/use-of-phosphorus-binders-among-non-dialysis-chronic-kidney-disease-patients-and-mortality-outcomes
#1
Simran K Bhandari, In-Lu A Liu, Dean A Kujubu, Trung Huynh, Hind Behayaa, Csaba P Kovesdy, Kamyar Kalantar-Zadeh, Steven J Jacobsen, John J Sim
BACKGROUND: Whether the benefits of phosphorus binders extend to those without end stage renal disease is uncertain. Among a large diverse non-dialysis chronic kidney disease (CKD) population with hyperphosphatemia, we sought to evaluate phosphorus binder use and compare mortality risk between patients prescribed and not prescribed binders. METHODS: A retrospective cohort study within an integrated health system (January 1, 1998 - December 31, 2012) among CKD patients (age ≥18) was performed...
April 27, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28445873/pregnancy-outcomes-in-patients-with-glomerular-disease-attending-a-single-academic-center-in-north-carolina
#2
Michelle M O'Shaughnessy, Meghan A Jobson, Katy Sims, Abigail L Liberty, Patrick H Nachman, William F Pendergraft
BACKGROUND: Contemporary data regarding pregnancy outcomes in US patients with primary glomerular diseases are lacking. We aimed to report fetal and maternal outcomes among women with biopsy-proven primary glomerular disease who received obstetric care at a single large academic US center. METHODS: All women with a biopsy-confirmed primary glomerular disease diagnosis and without end-stage kidney disease who received obstetric care at the University of North Carolina (UNC) Hospitals (1996-2015) were identified using the Glomerular Disease Collaborative Network registry and the UNC Hospitals Perinatal Database...
April 27, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28420005/thiazide-associated-hyponatremia-a-major-dilemma-affecting-treatment
#3
Biff F Palmer, Deborah J Clegg
No abstract text is available yet for this article.
April 19, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28419981/thiazide-associated-hyponatremia-report-of-the-hyponatremia-registry-an-observational-multicenter-international-study
#4
Volker Burst, Franziska Grundmann, Torsten Kubacki, Arthur Greenberg, Ingrid Becker, Despina Rudolf, Joseph Verbalis
BACKGROUND: Hyponatremia is a frequent and potentially life-threatening adverse side effect of thiazide diuretics. This sub-analysis of the Hyponatremia Registry database focuses on current management practices of thiazide-associated hyponatremia (TAH) and compares differences between TAH and syndrome of inappropriate antidiuretic hormone secretion (SIADH). METHODS: We analyzed 477 patients from 225 US and EU sites with euvolemic hyponatremia ([Na+] ≤130 mEq/L) who were receiving a thiazide diuretic...
April 19, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28407637/pneumatic-compression-but-not-exercise-can-avoid-intradialytic-hypotension-a-randomized-trial
#5
Valeria R C Álvares, Camila D Ramos, Benedito J Pereira, Ana Lucia Pinto, Rosa M A Moysés, Bruno Gualano, Rosilene M Elias
BACKGROUND: Conventional hemodialysis (HD) is associated with dialysis-induced hypotension (DIH) and ineffective phosphate removal. As the main source of extracellular fluid removed during HD are the legs, we sought to reduce DIH and increase phosphate removal by using cycling and pneumatic compression, which would potentially provide higher venous return, preserving central blood flow and also offering more phosphate to the dialyzer. METHODS: We evaluated 21 patients in a randomized crossover fashion in which each patient underwent 3 different HD: control; cycling exercise during the first 60 min; and pneumatic compression during the first 60 min...
April 14, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28407633/psychosocial-factors-and-30-day-hospital-readmission-among-individuals-receiving-maintenance-dialysis-a-prospective-study
#6
Jennifer E Flythe, Johnathan Hilbert, Abhijit V Kshirsagar, Constance A Gilet
BACKGROUND: Thirty-day hospital readmissions are common among maintenance dialysis patients. Prior studies have evaluated easily measurable readmission risk factors such as comorbid conditions, laboratory results, and hospital discharge day. We undertook this prospective study to investigate the associations between hospital-assessed depression, health literacy, social support, and self-rated health (separately) and 30-day hospital readmission among dialysis patients. METHODS: Participants were recruited from the University of North Carolina Hospitals, 2014-2016...
April 14, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28355607/superagonistic-cd28-protects-against-renal-ischemic-injury-by-expansion-of-regulatory-t-cell
#7
Yiran Liang, Yan Li, Qing Kuang, Xiaoqiang Ding, Zheng Wei, Yi Fang
BACKGROUND: Regulatory T (Treg) cells are a highly suppressive subset of CD4+ lymphocytes and have recently been proved to be crucial to suppress the inflammatory responses of ischemic kidney injury. CD28 superagonists (CD28sa) are monoclonal antibodies that preferentially expand Treg cells without a T-cell receptor and a costimulatory signal. This study aims to test the protection and discover the mechanisms of CD28sa treatment against renal ischemia-reperfusion (IR) injury (IRI). METHODS: Male C57BL/6N mice were treated with CD28sa via peritoneal injection (0...
March 29, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28343225/clinical-trial-of-vadadustat-in-patients-with-anemia-secondary-to-stage-3-or-4-chronic-kidney-disease
#8
Edouard R Martin, Mark T Smith, Bradley J Maroni, Qing C Zuraw, Emil M deGoma
BACKGROUND: Therapeutic options for the treatment of anemia secondary to chronic kidney disease (CKD) remain limited. Vadadustat (AKB-6548) is an oral hypoxia-inducible factor prolyl-hydroxylase domain (HIF-PHD) inhibitor that is being investigated for the treatment of anemia secondary to CKD. METHODS: A phase 2a, multicenter, randomized, double-blind, placebo-controlled, dose-ranging trial (NCT01381094) was undertaken in adults with anemia secondary to CKD stage 3 or 4...
March 25, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28315882/comparison-of-total-kidney-volume-quantification-methods-in-autosomal-dominant-polycystic-disease-for-a-comprehensive-disease-assessment
#9
Dario Turco, Marco Busutti, Renzo Mignani, Riccardo Magistroni, Cristiana Corsi
BACKGROUND: In recent times, the scientific community has been showing increasing interest in the treatments aimed at slowing the progression of the autosomal dominant polycystic kidney disease (ADPKD). Therefore, in this paper, we test and evaluate the performance of several available methods for total kidney volume (TKV) computation in ADPKD patients - from echography to MRI - in order to optimize patient classification. METHODS: Two methods based on geometric assumptions (mid-slice [MS], ellipsoid [EL]) and a third one on true contour detection were tested on 40 ADPKD patients at different disease stage using MRI...
March 18, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28376487/cardiac-troponins-in-chronic-kidney-disease-a-marker-of-global-cardiovascular-risk
#10
Muthiah Vaduganathan, Deepak L Bhatt
No abstract text is available yet for this article.
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28315862/the-evolving-role-of-rituximab-in-adult-minimal-change-glomerulopathy
#11
Landon C Brown, Meghan A Jobson, Fernanda Payan Schober, Emily H Chang, Ronald J Falk, Patrick H Nachman, William F Pendergraft
BACKGROUND: Minimal-change glomerulopathy is defined histologically by the presence of normal glomeruli on light microscopy and diffuse podocyte effacement on electron microscopy. Although effective in children, corticosteroid treatment in adults is more variable and time to response can be prolonged. Data to support rituximab use in adults with corticosteroid-dependent or resistant minimal-change glomerulopathy are limited. Here, we describe the clinical course of adults with corticosteroid-dependent or -resistant minimal-change glomerulopathy who received rituximab...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28301841/when-is-the-right-time-for-arteriovenous-fistula-placement-in-patients-with-end-stage-renal-disease
#12
Mary Hammes
No abstract text is available yet for this article.
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28301835/fistula-and-survival-outcomes-after-fistula-creation-among-predialysis-chronic-kidney-disease-stage-5-patients
#13
Masahito Miyamoto, Noriaki Kurita, Kotaro Suemitsu, Masaaki Murakami
BACKGROUND: Most guidelines recommend the creation of arteriovenous fistula (AVF) in patients with chronic kidney disease (CKD) stage 4. However, an increasing number of studies suggest that early AVF creation leads to high rates of AVF failure and death before dialysis commencement. Only the Japanese guideline recommends AVF creation at CKD stage 5; however, no data are available regarding access-related outcomes at this stage. METHOD: This was a multicenter cohort study involving Japanese CKD stage 5 patients who underwent preemptive AVF creation from 2009 to 2013...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28301834/patient-doctor-contact-interval-and-clinical-outcomes-in-continuous-ambulatory-peritoneal-dialysis-patients
#14
Chunyan Yi, Qunying Guo, Jianxiong Lin, Jianying Li, Xueqing Yu, Xiao Yang
BACKGROUND: The optimal patient-doctor contact (PDC) interval remains unknown in peritoneal dialysis (PD) patients. The aim was to investigate the association between PDC interval and clinical outcomes in continuous ambulatory PD (CAPD) patients. METHODS: In this retrospective cohort study, CAPD patients who resided in Guangzhou city between January 2006 and December 2012 were included. According to receiver operating characteristic curve analysis, all patients were classified as high (PDC interval ≤2 months) and low (PDC interval >2 months) PDC frequency groups...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28285315/uric-acid-and-decline-in-renal-function-partners-in-crime
#15
Jesse Dawson, Patrick B Mark
No abstract text is available yet for this article.
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28285313/oxidative-balance-score-and-the-risk-of-end-stage-renal-disease-and-cardiovascular-disease
#16
Titilayo O Ilori, Xiao Wang, Morong Huang, Orlando M Gutierrez, K M Venkat Narayan, Michael Goodman, William McClellan, Laura Plantinga, Akinlolu O Ojo
BACKGROUND: Oxidative balance score (OBS) is a composite measure of oxidative stress-related exposures. The aim of this study was to investigate the association between OBS, end-stage renal disease (ESRD), and cardiovascular disease (CVD). METHODS: Using data from the Chronic Renal Insufficiency Cohort, we calculated the main exposure OBS by summing up 12 apriori-defined pro- and antioxidant factors obtained from the diet history questionnaire and lifestyle assessment...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28285309/elevated-serum-uric-acid-level-predicts-rapid-decline-in-kidney-function
#17
Masanari Kuwabara, Petter Bjornstad, Ichiro Hisatome, Koichiro Niwa, Carlos A Roncal-Jimenez, Ana Andres-Hernando, Thomas Jensen, Tamara Milagres, Yuka Sato, Gabriela Garcia, Minoru Ohno, Miguel A Lanaspa, Richard J Johnson
BACKGROUND: While elevated serum uric acid level (SUA) is a recognized risk factor for chronic kidney disease, it remains unclear whether change in SUA is independently associated with change in estimated glomerular filtration rate (eGFR) over time. Accordingly, we examined the longitudinal associations between change in SUA and change in eGFR over 5 years in a general Japanese population. METHODS: This was a large, single-center, retrospective 5-year cohort study at St...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28245441/childhood-estimates-of-glomerular-filtration-rate-based-on-creatinine-and-cystatin-c-importance-of-body-composition
#18
Kozeta Miliku, Hanneke Bakker, Eiske M Dorresteijn, Karlien Cransberg, Oscar H Franco, Janine F Felix, Vincent W V Jaddoe
BACKGROUND: Creatinine and cystatin C concentrations are commonly used to estimate glomerular filtration rate (eGFR) in clinical practice and epidemiological studies. To estimate the influence of different body composition measures on eGFR from creatinine and cystatin C blood concentrations, we compared the associations of different anthropometric and body composition measures with eGFR derived from creatinine (eGFRcreat) and cystatin C (eGFRcystC) blood concentrations. METHODS: In a population-based cohort study among 4,305 children aged 6...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28237991/rapamycin-enhances-repressed-autophagy-and-attenuates-aggressive-progression-in-a-rat-model-of-iga-nephropathy
#19
Di Liu, Yexin Liu, Guochun Chen, Liyu He, Chengyuan Tang, Chang Wang, Danyi Yang, Huiqiong Li, Zheng Dong, Hong Liu
BACKGROUND: IgA nephropathy (IgAN) has been considered to be the most frequent form of primary glomerulonephritis that occurs worldwide with a variety of factors involved in its occurrence and development. The impact of autophagy in IgAN, however, remains partially unclear. This study was designed to investigate the effects of rapamycin in an IgAN model. METHOD: After establishing an IgAN rat model, SD rats were divided into 4 groups: control, control + rapamycin, IgAN, IgAN + rapamycin...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28237979/targeting-immunity-in-end-stage-renal-disease
#20
Ivano Baragetti, Basset El Essawy, Paolo Fiorina
BACKGROUND: Despite the stable incidence of end-stage renal disease (ESRD), it continues to be associated with an unacceptably high cardiovascular risk. SUMMARY: ESRD is characterized by enhanced oxidative stress and severe inflammation, which boost cardiovascular risk, thus increasing cardiovascular-associated mortality rate. While substantial effort has been made in the technological innovation of dialytic techniques, few significant advances have been made to reduce inflammation in patients with ESRD...
2017: American Journal of Nephrology
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