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Nephrology, Dialysis, Transplantation

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https://www.readbyqxmd.com/read/27915246/neutrophil-dependent-pentraxin-3-and-reactive-oxygen-species-production-modulate-endothelial-dysfunction-in-haemodialysis-patients
#1
Maria Pia dell'Oglio, Simona Simone, Marco Ciccone, Roberto Corciulo, Michele Gesualdo, Annapaola Zito, Francesca Cortese, Giuseppe Castellano, Margherita Gigante, Loreto Gesualdo, Giuseppe Grandaliano, Giovanni Battista Pertosa
BACKGROUND: The aim of this study was to investigate neutrophil activation and its role in long pentraxin-3 (PTX3) release and oxidative stress generation during haemodialysis (HD) and to correlate neutrophil PTX3 and oxidant expression with endothelial dysfunction. METHODS: Forty-seven uraemic patients on stable HD, 12 healthy subjects and 15 patients with congestive heart failure (New York Heart Association classes III and IV) were enrolled. Neutrophil PTX3 protein expression was evaluated by confocal microscopy...
December 3, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27836924/spleen-contributes-significantly-to-increased-circulating-levels-of-fibroblast-growth-factor23-in-response-to-lipopolysaccharide-induced-inflammation
#2
Shweta Bansal, William E Friedrichs, Chakradhar Velagapudi, Denis Feliers, Khaled Khazim, Diane Horn, John E Cornell, Sherry L Werner, Paolo Fanti
BACKGROUND: Circulating levels of fibroblast growth factor 23 (FGF23) increase progressively and correlate with systemic inflammation in chronic kidney disease (CKD). The aim of this study was to identify and characterize the causal relationship between FGF23 and inflammation in CKD. METHODS: Circulating FGF23 and inflammatory cytokines were correlated in healthy subjects and patients with varying levels of CKD. In addition, FGF23 expression in blood and solid organs was measured in normal mice that were exposed acutely (one time) or chronically (2-week) to low-dose lipopolysaccharide (LPS); chronic exposure being either sustained (subcutaneous pellets), intermittent (daily injections) or combined sustained plus acute (subcutaneous pellets plus acute injection on the day of sacrifice)...
November 10, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27789783/emap-ckd-electronic-diagnosis-and-management-assistance-to-primary-care-in-chronic-kidney-disease
#3
Aspasia Pefanis, Roslin Botlero, Robyn G Langham, Craig L Nelson
BACKGROUND: The increasing burden of chronic kidney disease (CKD) underpins the importance for improved early detection and management programs in primary care to delay disease progression and reduce mortality rates. eMAP:CKD is a pilot program for primary care aimed at addressing the gap between current and best practice care for CKD. METHODS: Customized software programs were developed to integrate with primary care electronic health records (EHRs), allowing real-time prompting for CKD risk factor identification, testing, diagnosis and management according to Kidney Health Australia's (KHA) best practice recommendations...
October 26, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27789782/association-of-body-weight-changes-with-mortality-in-incident-hemodialysis-patients
#4
Tae Ik Chang, Vyvian Ngo, Elani Streja, Jason A Chou, Amanda R Tortorici, Tae Hee Kim, Tae Woo Kim, Melissa Soohoo, Daniel Gillen, Connie M Rhee, Csaba P Kovesdy, Kamyar Kalantar-Zadeh
BACKGROUND: Incident hemodialysis patients may experience rapid weight loss in the first few months of starting dialysis. However, trends in weight changes over time and their associations with survival have not yet been characterized in this population. METHODS: In a large contemporary US cohort of 58 106 patients who initiated hemodialysis during 1 January 2007-31 December 2011 and survived the first year of dialysis, we observed trends in weight changes during the first year of treatment and then examined the association of post-dialysis weight changes with all-cause mortality...
October 26, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27798202/anti-thymocyte-globulins-in-kidney-transplantation-focus-on-current-indications-and-long-term-immunological-side-effects
#5
REVIEW
Jamal Bamoulid, Oliver Staeck, Thomas Crépin, Fabian Halleck, Philippe Saas, Susanne Brakemeier, Didier Ducloux, Klemens Budde
Antithymocyte globulins (ATGs) are part of the immunosuppression arsenal currently used by clinicians to prevent or treat acute rejection in solid organ transplantation. ATG is a mixture of non-specific anti-lymphocyte immunoglobulins targeting not only T cell subsets but also several other immune and non-immune cells, rendering its precise immunoglobulin composition difficult to appreciate or to compare from one preparation to another. Furthermore, several mechanisms of action have been described. Taken together, this probably explains the efficacy and the side effects associated with this drug...
October 25, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27798201/selection-of-peritoneal-dialysis-among-older-eligible-patients-with-end-stage-renal-disease
#6
Ben Wong, Lorraine Venturato, Matthew J Oliver, Robert R Quinn, Pietro Ravani, Jayna Holroyd-Leduc
BACKGROUND: Older patients with end-stage renal disease (ESRD) are less likely to choose peritoneal dialysis (PD) over hemodialysis (HD). The reasons behind their choice of dialysis modality are not clear. This study seeks to determine the patient-perceived factors that influence ESRD patients' choice of dialysis modality among older ESRD patients who are deemed eligible for both PD and HD. METHODS: All patients had completed a multidisciplinary modality assessment, were deemed eligible for both PD and HD, and had received modality education...
October 25, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27798198/radical-versus-partial-nephrectomy-chronic-kidney-disease-progression-and-mortality-in-us-veterans
#7
Elani Streja, Kamyar Kalantar-Zadeh, Miklos Z Molnar, Jaime Landman, Onyebuchi A Arah, Csaba P Kovesdy
BACKGROUND: Partial nephrectomy is considered the preferred care for localized kidney tumors and may yield better patient and kidney survival and similar oncological outcomes compared with radical nephrectomy. We sought to reexamine these hypotheses in a large nationally representative cohort of US veterans who underwent radical or partial nephrectomy. METHODS: We identified 7073 US veterans who had a partial or radical nephrectomy between 2004 and 2013. We collected data on estimated glomerular filtration rate (eGFR) prior to admission for nephrectomy surgery, immediately after surgery and 180 days postsurgery...
October 25, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27760839/sofosbuvir-based-antiviral-therapy-in-hepatitis-c-virus-patients-with-severe-renal-failure
#8
Jérôme Dumortier, François Bailly, Georges-Philippe Pageaux, Anaïs Vallet-Pichard, Sylvie Radenne, François Habersetzer, Marie-Claude Gagnieu, Jean-Didier Grangé, Anne Minello, Olivier Guillaud, Nassim Kamar, Laurent Alric, Vincent Leroy
BACKGROUND: Chronic hepatitis C virus (HCV) infection is the most common chronic liver disease in patients with end-stage renal disease (ESRD). Over the last few years, second-generation direct-acting antivirals have been revolutionary in the treatment of hepatitis C, and sofosbuvir (SOF) is the backbone of most modern treatment strategies. Since SOF is eliminated through the kidney, the aim of this multicentre retrospective study was to assess its antiviral efficacy and safety in HCV-infected patients with severe renal failure [including haemodialysis (HD) patients]...
October 19, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27798200/reduction-of-cortical-oxygenation-in-chronic-kidney-disease-evidence-obtained-with-a-new-analysis-method-of-blood-oxygenation-level-dependent-magnetic-resonance-imaging
#9
Bastien Milani, Annalisa Ansaloni, Sofia Sousa-Guimaraes, Nima Vakilzadeh, Maciej Piskunowicz, Bruno Vogt, Matthias Stuber, Michel Burnier, Menno Pruijm
BACKGROUND: Determinations of renal oxygenation by blood oxygenation level-dependent magnetic resonance imaging (BOLD-MRI) in chronic kidney disease (CKD) patients have given heterogeneous results, possibly due to the lack of a reproducible method to analyse BOLD-MRI. It therefore remains uncertain whether patients with CKD have a reduced renal tissue oxygenation. We developed a new method to analyse BOLD-MRI signals and applied it to CKD patients and controls. METHODS: MRI was performed under standardized conditions before and 15 min after IV furosemide in 104 CKD patients, 61 hypertensives and 42 controls...
October 17, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27798199/predictors-of-atherosclerotic-events-in-patients-on-haemodialysis-post-hoc-analyses-from-the-aurora-study
#10
Marit D Solbu, Geir Mjøen, Patrick B Mark, Hallvard Holdaas, Bengt Fellström, Roland E Schmieder, Faiez Zannad, William G Herrington, Alan G Jardine
BACKGROUND: Patients on haemodialysis (HD) are at high risk for cardiovascular events, but heart failure and sudden death are more common than atherosclerotic events. The A Study to Evaluate the Use of Rosuvastatinin in Subjects on Regular Hemodialysis: An Assessment of Survival and Cardiovascular Events (AURORA) trial was designed to assess the effect of rosuvastatin on myocardial infarction and death from any cardiac cause in 2773 HD patients. We studied predictors of the atherosclerotic cardiovascular events in AURORA...
October 17, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27798197/the-closure-of-arteriovenous-fistula-in-kidney-transplant-recipients-is-associated-with-an-acceleration-of-kidney-function-decline
#11
Laurent Weekers, Pauline Vanderweckene, Hans Pottel, Diego Castanares-Zapatero, Catherine Bonvoisin, Etienne Hamoir, Sylvie Maweja, Jean-Marie Krzesinski, Pierre Delanaye, François Jouret
BACKGROUND: The creation of arteriovenous fistula (AVF) may retard chronic kidney disease progression in the general population. Conversely, the impact of AVF closure on renal function in kidney transplant recipients (KTRs) remains unknown. METHODS: From 2007 to 2013, we retrospectively categorized 285 KTRs into three groups: no AVF (Group 0, n = 90), closed AVF (Group 1, n = 114) and left-open AVF (Group 2, n = 81). AVF closure occurred at 653 ± 441 days after kidney transplantation (KTx), with a thrombosis:ligation ratio of 19:95...
October 17, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27798196/klotho-suppresses-the-renin-angiotensin-system-in-adriamycin-nephropathy
#12
Tsuneo Takenaka, Tsutomu Inoue, Takashi Miyazaki, Hiroyuki Kobori, Akira Nishiyama, Naohito Ishii, Matsuhiko Hayashi, Hiromichi Suzuki
BACKGROUNDS: Klotho protein interacts with the transforming growth factor β (TGF-β) receptor and Wnt, which contribute to the progression of renal disease, inhibiting their signals. Renal and circulating klotho levels are diminished in chronic kidney disease. METHODS: Experiments were performed to assess whether supplementation of klotho protein could have protective effects on the kidney. Rats were injected with adriamycin (5 mg/kg) and divided into three groups: those treated with vehicle, those treated with klotho protein and those treated with klotho plus 4-benzyl-2-methyl-1,2,4-thiadiazolidine-3,5-dione (TDZD)...
October 17, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27742825/atrial-fibrillation-and-chronic-kidney-disease-struggling-through-thick-and-thin
#13
Simardeep Gill, Min Jun, Pietro Ravani
The prevalence of atrial fibrillation and the risk of stroke display an age-related increase in the chronic kidney disease (CKD) population. Evidence from large randomized controlled trials conducted in the general population supports the use of anticoagulation to reduce the risk of stroke in the setting of non-valvular atrial fibrillation. However, data in the non-dialysis-dependent and dialysis-dependent CKD populations are limited largely to observational studies, which demonstrate conflicting results regarding the risk-benefit profile of anticoagulation...
October 14, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27742824/renal-transplantation-in-sensitized-children-and-young-adults-a-nationwide-approach
#14
Luca Dello Strologo, Luisa Murer, Isabella Guzzo, Federica Morolli, Annalisa M V Pipicelli, Elisa Benetti, Germana Longo, Sara Testa, Andrea Ricci, Fabrizio Ginevri, Luciana Ghio, Massimo Cardillo, Antonina Piazza, Alessandro Nanni Costa
BACKGROUND: High levels of preformed anti-HLA antibodies dramatically diminish renal transplant outcomes. Most desensitization programmes guarantee good intermediate outcomes but quite disappointing long-term prognosis. The search for a fully compatible kidney increases time on the waiting list. METHODS: In February 2011, a nationwide hyperimmune programme (NHP) was begun in Italy: all available kidneys are primarily proposed to highly sensitized patients with a panel reactive antibody above 80%...
October 14, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27742823/the-variable-target-model-a-paradigm-shift-in-the-incremental-haemodialysis-prescription
#15
Francesco Gaetano Casino, Carlo Basile
BACKGROUND: The recent interest in incremental haemodialysis (HD) is hindered by the current prescription based on a fixed target model (FTM) for the total (dialytic + renal) equivalent continuous clearance (ECC). The latter is expressed either as standard Kt/V (stdKt/V), i.e. the pre-dialysis averaged concentration of urea-based ECC, or EKRc, i.e. the time averaged concentration-based ECC, corrected for volume (V) = 40 L. Accordingly, there are two different targets: stdKt/V = 2.3 volumes per week (v/wk) and EKRc = 13 mL/min/40 L...
October 14, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27738231/prevalence-and-recognition-of-chronic-kidney-disease-in-stockholm-healthcare
#16
Alessandro Gasparini, Marie Evans, Josef Coresh, Morgan E Grams, Olof Norin, Abdul R Qureshi, Björn Runesson, Peter Barany, Johan Ärnlöv, Tomas Jernberg, Björn Wettermark, Carl G Elinder, Juan-Jesüs Carrero
BACKGROUND: Chronic kidney disease (CKD) is common, but the frequency of albuminuria testing and referral to nephrology care has been difficult to measure. We here characterize CKD prevalence and recognition in a complete healthcare utilization cohort of the Stockholm region, in Sweden. METHODS: We included all adult individuals (n = 1 128 058) with at least one outpatient measurement of IDMS-calibrated serum creatinine during 2006-11. Estimated glomerular filtration rate (eGFR) was calculated via the CKD-EPI equation and CKD was solely defined as eGFR <60 mL/min/1...
October 13, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27738230/haemodialysis-acutely-deteriorates-left-and-right-diastolic-function-and-myocardial-performance-an-effect-related-to-high-ultrafiltration-volumes
#17
Pantelis A Sarafidis, Vasilios Kamperidis, Charalampos Loutradis, Konstantinos Tsilonis, Fani Mpoutsiouki, Athanasios Saratzis, Georgios Giannakoulas, Georgios Sianos, Haralambos Karvounis
BACKGROUND: The effect of acute preload reduction during haemodialysis on left ventricle (LV) and right ventricle (RV) function is not well understood. This study aimed to evaluate acute changes in novel echocardiographic and tissue Doppler-derived indices of LV and RV function during the first and a standard weekly dialysis session and to examine the possible effect of acute intradialytic volume changes in LV and RV diastolic function and pulmonary circulation loading. METHODS: Forty-one adult patients receiving standard thrice-weekly haemodialysis participated in this study...
October 13, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27738229/chronic-interstitial-nephritis-in-agricultural-communities-a-worldwide-epidemic-with-social-occupational-and-environmental-determinants
#18
Channa Jayasumana, Carlos Orantes, Raul Herrera, Miguel Almaguer, Laura Lopez, Luis Carlos Silva, Pedro Ordunez, Sisira Siribaddana, Sarath Gunatilake, Marc E De Broe
Increase in the prevalence of chronic kidney disease (CKD) is observed in Central America, Sri Lanka and other tropical countries. It is named chronic interstitial nephritis in agricultural communities (CINAC). CINAC is defined as a form of CKD that affects mainly young men, occasionally women. Its aetiology is not linked to diabetes, hypertension, glomerulopathies or other known causes. CINAC patients live and work in poor agricultural communities located in CINAC endemic areas with a hot tropical climate, and are exposed to toxic agrochemicals through work, by ingestion of contaminated food and water, or by inhalation...
October 13, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27738228/a-two-pool-kinetic-model-predicts-phosphate-concentrations-during-and-shortly-following-a-conventional-three-times-weekly-hemodialysis-session
#19
John T Daugirdas
BACKGROUND: Previous studies have suggested that a conventional two-pool model cannot be used to predict intradialysis and early postdialysis phosphorus concentrations. METHODS: A conventional two-pool urea model was modified by increasing the distal compartment volume from two-thirds to three times the total body water and by the use of a dynamically variable intercompartmental phosphorus clearance during dialysis. The phosphate solver model parameters were derived from an examination of the results in the literature, and fine-tuned using a training set (F4) of 415 Hemodialysis (HEMO) Study patients studied during a dialysis session where phosphorus was measured at 4 months of follow-up...
October 13, 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27708066/long-term-renal-outcome-in-children-with-ocrl-mutations-retrospective-analysis-of-a-large-international-cohort
#20
Marcin Zaniew, Arend Bökenkamp, Marcin Kołbuc, Claudio La Scola, Federico Baronio, Anna Niemirska, Maria Szczepańska, Julia Bürger, Angela La Manna, Monika Miklaszewska, Anna Rogowska-Kalisz, Jutta Gellermann, Argyroula Zampetoglou, Anna Wasilewska, Magdalena Roszak, Jerzy Moczko, Aleksandra Krzemień, Dariusz Runowski, Grzegorz Siteń, Iga Załuska-Leśniewska, Patrizia Fonduli, Franca Zurrida, Fabio Paglialonga, Zoran Gucev, Dusan Paripovic, Rina Rus, Valerie Said-Conti, Lisa Sartz, Woo Yeong Chung, Se Jin Park, Jung Won Lee, Yong Hoon Park, Yo Han Ahn, Przemysław Sikora, Constantinos J Stefanidis, Velibor Tasic, Martin Konrad, Franca Anglani, Maria Addis, Hae Il Cheong, Michael Ludwig, Detlef Bockenhauer
BACKGROUND: Lowe syndrome (LS) and Dent-2 disease (DD2) are disorders associated with mutations in the OCRL gene and characterized by progressive chronic kidney disease (CKD). Here, we aimed to investigate the long-term renal outcome and identify potential determinants of CKD and its progression in children with these tubulopathies. METHODS: Retrospective analyses were conducted of clinical and genetic data in a cohort of 106 boys (LS: 88 and DD2: 18). For genotype-phenotype analysis, we grouped mutations according to their type and localization...
October 5, 2016: Nephrology, Dialysis, Transplantation
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