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Hemodiafiltration

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https://www.readbyqxmd.com/read/28339826/the-importance-of-considering-competing-treatment-affecting-prognosis-in-the-evaluation-of-therapy-in-trials-the-example-of-renal-transplantation-in-hemodialysis-trials
#1
C Marijn Hazelbag, Sanne A E Peters, Peter J Blankestijn, Michiel L Bots, Bernard Canaud, Andrew Davenport, Muriel P C Grooteman, Fatih Kircelli, Francesco Locatelli, Francisco Maduell, Marion Morena, Menso J Nubé, Ercan Ok, Ferran Torres, Arno W Hoes, Rolf H H Groenwold
Background.: During the follow-up in a randomized controlled trial (RCT), participants may receive additional (non-randomly allocated) treatment that affects the outcome. Typically such additional treatment is not taken into account in evaluation of the results. Two pivotal trials of the effects of hemodiafiltration (HDF) versus hemodialysis (HD) on mortality in patients with end-stage renal disease reported differing results. We set out to evaluate to what extent methods to take other treatments (i...
February 27, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28337716/long-term-variation-of-serum-levels-of-uremic-toxins-in-patients-treated-by-post-dilution-high-volume-on-line-hemodiafiltration-in-comparison-to-standard-low-flux-bicarbonate-dialysis-results-from-the-redert-study
#2
Vincenzo Panichi, Maria Teresa Rocchetti, Alessia Scatena, Alberto Rosati, Massimiliano Migliori, Francesco Pizzarelli, Loreto Gesualdo
PURPOSE OF THE STUDY: Little information have been provided till now regarding the effect of high volume HDF (hv-OL-HDF) in respect to standard bicarbonate dialysis (BHD) in medium-long term protein-bound toxins removal. PROCEDURES: A randomised cross-over multicentre study (REDERT study) was designed to compare the effects of hv-OL-HDF and low-flux BHD on uremic toxins serum levels in 36 chronic dialysis patients followed for 13 months. Group 1 patients were treated with BHD (Treatment A) for 6 months, and afterwards, they were transferred to hv-OL-HDF for a further 6 months (Treatment B)...
March 24, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28337082/pharmacokinetics-of-peramivir-in-an-adolescent-patient-receiving-continuous-venovenous-hemodiafiltration
#3
Ryan C Dillon, Robert Witcher, Jeffrey J Cies, Wayne S Moore, Arun Chopra
Critically ill patients requiring renal replacement therapy commonly experience pharmacokinetic alterations. This case report describes the pharmacokinetics of peramivir (Rapivab, BioCryst Pharmaceuticals, Inc, Durham, NC), the first US Food and Drug Administration-approved intravenous neuraminidase inhibitor for the treatment of influenza, in an adolescent patient receiving continuous renal replacement therapy (CRRT). A 49.5-kg, 17-year-old Caucasian female presented with fever, cough, and persistent hypoxia...
January 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28332474/brain-swelling-during-dialysis-a-randomized-trial-comparing-low-flux-hemodialysis-with-pre-dilution-hemodiafiltration%C3%A2
#4
Niels Johansen, Krista Dybtved Kjaergaard, Christian Daugaard Peters, Michael Pedersen, Bente Jespersen, Jens Dam Jensen
Osmotic changes in plasma are assumed to cause cerebral swelling in hemodialysis patients. We investigated the acute effect of low-flux hemodialysis (HD) (removal of small molecules) and pre-dilution hemodiafiltration (pre-HDF) (additional removal of larger molecules) on cerebral compartment volumes using quantitative magnetic resonance imaging (MRI) in chronic uremic patients. Twelve patients underwent a session of HD and pre-HDF in a randomized crossover study with equal ultrafiltration. MRI was performed immediately before and after dialysis...
March 23, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28318624/treatment-tolerance-and-patient-reported-outcomes-favor-online-hemodiafiltration-compared-to-high-flux-hemodialysis-in-the-elderly
#5
Marion Morena, Audrey Jaussent, Lotfi Chalabi, Hélène Leray-Moragues, Leila Chenine, Alain Debure, Damien Thibaudin, Lynda Azzouz, Laure Patrier, Francois Maurice, Philippe Nicoud, Claude Durand, Bruno Seigneuric, Anne-Marie Dupuy, Marie-Christine Picot, Jean-Paul Cristol, Bernard Canaud
Large cohort studies suggest that high convective volumes associated with online hemodiafiltration may reduce the risk of mortality/morbidity compared to optimal high-flux hemodialysis. By contrast, intradialytic tolerance is not well studied. The aim of the FRENCHIE (French Convective versus Hemodialysis in Elderly) study was to compare high-flux hemodialysis and online hemodiafiltration in terms of intradialytic tolerance. In this prospective, open-label randomized controlled trial, 381 elderly chronic hemodialysis patients (over age 65) were randomly assigned in a one-to-one ratio to either high-flux hemodialysis or online hemodiafiltration...
March 15, 2017: Kidney International
https://www.readbyqxmd.com/read/28316636/the-siesta-trial-a-randomized-study-investigating-the-efficacy-safety-and-tolerability-of-acupressure-versus-sham-therapy-for-improving-sleep-quality-in-patients-with-end-stage-kidney-disease-on-hemodialysis
#6
Kunyu Shen, Yeoungjee Cho, Elaine M Pascoe, Carmel M Hawley, Veronica Oliver, Kathryn M Hughes, Richard Baer, Jeremy Frazier, Elizabeth Jarvis, Ken-Soon Tan, Xusheng Liu, Glenda Gobe, David W Johnson
Objectives. To compare the effectiveness of real acupressure versus sham acupressure therapy in improving sleep quality in patients receiving hemodialysis (HD) or hemodiafiltration (HDF). Methods. A multicenter, single-blind, randomized controlled trial was conducted in two Australian dialysis units located in Princess Alexandra Hospital and Logan Hospital, respectively. Forty-two subjects with self-reported poor sleep quality were randomly assigned to real (n = 21) or sham (n = 21) acupressure therapy delivered thrice weekly for four consecutive weeks during routine dialysis sessions...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28280397/pharmacokinetics-and-outcome-of-tazobactam-piperacillin-in-japanese-patients-undergoing-low-flow-continuous-renal-replacement-therapy-dosage-considerations
#7
Hanako Kohama, Takeshi Ide, Kazuro Ikawa, Norifumi Morikawa, Shinichi Nishi
BACKGROUND: Tazobactam/piperacillin (TAZ/PIPC), which is often combined with continuous renal replacement therapy (CRRT), induces renal excretion and is thought to have a high component removal rate for blood purification. CRRT procedures vary depending on the country, region, and institution. It is not clear whether the dose of TAZ/PIPC for use in Japan can be determined based on studies conducted in other countries. Therefore, in this study, we examined the suitability of recommended dose in Japan...
2017: Clinical Pharmacology: Advances and Applications
https://www.readbyqxmd.com/read/28271063/pharmacokinetics-of-standard-and-reduced-dose-recombinant-human-soluble-thrombomodulin-in-patients-with-septic-disseminated-intravascular-coagulation-during-continuous-hemodiafiltration
#8
Eizo Watanabe, Shingo Yamazaki, Daisuke Setoguchi, Tomohito Sadahiro, Yoshihisa Tateishi, Tatsuya Suzuki, Itsuko Ishii, Shigeto Oda
INTRODUCTION: Recombinant human soluble thrombomodulin (rTM) is reportedly excreted by the kidneys; therefore, the recommended dose for patients with renal impairment is one-third of the standard dose. The aim of this study was to evaluate whether this reduced dose of rTM achieves effective drug concentrations that are comparable to those of the standard dose in treating sepsis-induced disseminated intravascular coagulation (DIC) during continuous hemodiafiltration (CHDF). METHODS: Eight patients in an intensive care unit were randomized to receive either reduced-dose (0...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28254281/polysulfone-hemodiafiltration-membranes-with-enhanced-anti-fouling-and-hemocompatibility-modified-by-poly-vinyl-pyrrolidone-via-in-situ-cross-linked-polymerization
#9
Lijing Zhu, Haiming Song, Jiarong Wang, Lixin Xue
Poly(vinyl pyrrolidone) (PVP) and its copolymers have been widely employed for the modification of hemodiafiltration membranes due to their excellent hydrophilicity, antifouling and hemocompatibility. However, challenges still remain to simplify the modification procedure and to improve the utilization efficiency. In this paper, antifouling and hemocompatibility polysulfone (PSf) hemodiafiltration membranes were fabricated via in situ cross-linked polymerization of vinyl pyrrolidone (VP) and vinyltriethoxysilane (VTEOS) in PSf solutions and non-solvent induced phase separation (NIPS) technique...
May 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28222207/impact-of-the-type-of-dialysis-membranes-on-the-circulating-concentration-of-markers-of-vitamin-d-metabolism
#10
Etienne Cavalier, Pablo U Torres, Bernard E Dubois, Nicole Smelten, Hans Pottel, Jean-Marie Krzesinski, Pierre Delanaye
INTRODUCTION: Kidney Disease Improving Global Outcomes (KDIGO) guidelines recommend vitamin D supplementation in hemodialyzed patients to monitor 25(OH)-vitamin D 25(OH)D levels. However, patient-to-patient inconsistency can be observed in response to the treatment. In this study, we aimed to evaluate the impact of the dialysis membrane on 25(OH)D, albumin (Alb) and vitamin D-binding protein (VDBP), the major players of vitamin D transport and storage. MATERIAL AND METHODS: Alb (Cobas), VDBP (R&D) and 25(OH)D (liquid chromatography-tandem mass spectrometry) were measured in 75 patients before and after a 4-hour dialysis session...
February 18, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28191541/metabolic-acidosis-status-and-mortality-in-patients-on-the-end-stage-of-renal-disease
#11
Vaia D Raikou
BACKGROUND AND OBJECTIVES: Uncorrected metabolic acidosis leads to higher death risk in dialysis patients. We observed the relationship between metabolic acidosis status and mortality rate in patients on renal replacement therapy during a median follow up time of 60 months. METHODS: We studied 76 patients on an on-line hemodiafiltration. The dialysis adequacy was defined by Kt/V for urea. The Framingham risk score (FRS) points were used to determine the 10-year risk for coronary heart disease...
December 1, 2016: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28185299/incremental-hemodialysis-a-european-perspective
#12
Kamonwan Tangvoraphonkchai, Andrew Davenport
Most patients initiating hemodialysis have residual renal function (RRF). Whereas RRF is monitored prior to commencing hemodialysis, once dialysis is started most centres simply rely on dialyzer urea clearance to determine adequate uremic toxin clearance and disregard the effect of RRF. However sustaining RRF is important for the dialysis patient, as RRF reduces inter-dialytic weight gains, increases middle molecule and protein bound toxin clearances and is associated with better quality of life assessments...
February 9, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28183725/changes-in-cardiac-output-and-perfusion-during-hemodialysis-and-hemodiafiltration-treatments-determined-by-cardiac-magnetic-resonance-imaging
#13
EDITORIAL
Peter J Blankestijn, Andrew Davenport
No abstract text is available yet for this article.
February 9, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28166268/consequences-of-increasing-convection-onto-patient-care-and-protein-removal-in-hemodialysis
#14
Nathalie Gayrard, Alain Ficheux, Flore Duranton, Caroline Guzman, Ilan Szwarc, Fernando Vetromile, Chantal Cazevieille, Philippe Brunet, Marie-Françoise Servel, Àngel Argilés, Moglie Le Quintrec
INTRODUCTION: Recent randomised controlled trials suggest that on-line hemodiafiltration (OL-HDF) improves survival, provided that it reaches high convective volumes. However, there is scant information on the feasibility and the consequences of modifying convection volumes in clinics. METHODS: Twelve stable dialysis patients were treated with high-flux 1.8 m2 polysulphone dialyzers and 4 levels of convection flows (QUF) based on GKD-UF monitoring of the system, for 1 week each...
2017: PloS One
https://www.readbyqxmd.com/read/28164555/continuous-hemodiafiltration-with-an-an69st-hemofilter-an69st-chdf-as-fgf-23-lowering-therapy
#15
Masafumi Yamato, Yusuke Minematsu, Yuta Ikemiya, Junichi Shibata, Junya Fujii, Takumi Minato, Sachie Miyagawa, Kaori Takaori, Yoko Tomiyama, Ikue Nagayama, Akira Wada, Takahito Ito, Hirotsugu Iwatani
BACKGROUND: Recent studies have shown that fibroblast growth factor-23 (FGF-23) is elevated not only in chronic kidney disease (CKD), but also in acute illnesses such as acute kidney injury, septic shock, and acute heart failure. FGF-23 would be not only a simple biomarker but also a direct toxic factor in acute illness. Therefore, lowering circulating FGF-23 levels in clinical practice would be an exciting and valuable interventional strategy. Continuous hemodiafiltration (CHDF) is often performed for the treatment of the aforementioned acute illnesses...
December 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28127473/hemadsorption-with-adult-cytosorb%C3%A2-in-a-low-weight-pediatric-case
#16
Catalin Gabriel Cirstoveanu, Ileana Barascu, Samantha Mc Kenzie Stancu
Cytokine adsorber (CytoSorb) has been used successfully as adjunctive treatment for adult patients with elevated cytokine levels in the setting with severe sepsis and septic shock and to reduce blood myoglobin, unconjugated bilirubin, and conjugated bilirubin. In this article we present the case of a nine-month-old male infant who was admitted to the NICU due to sepsis after cardiac surgery, Fallot tetralogy, and multisystem organ failure (MSOF) including liver failure and renal failure which was successfully treated by a combination of continuous hemodiafiltration (HDF) and hemadsorption with CytoSorb...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28122851/intradialytic-cardiac-magnetic-resonance-imaging-to-assess-cardiovascular-responses-in-a-short-term-trial-of-hemodiafiltration-and-hemodialysis
#17
Charlotte Buchanan, Azharuddin Mohammed, Eleanor Cox, Katrin Köhler, Bernard Canaud, Maarten W Taal, Nicholas M Selby, Susan Francis, Chris W McIntyre
Hemodynamic stress during hemodialysis (HD) results in recurrent segmental ischemic injury (myocardial stunning) that drives cumulative cardiac damage. We performed a fully comprehensive study of the cardiovascular effect of dialysis sessions using intradialytic cardiac magnetic resonance imaging (MRI) to examine the comparative acute effects of standard HD versus hemodiafiltration (HDF) in stable patients. We randomly allocated 12 patients on HD (ages 32-72 years old) to either HD or HDF. Patients were stabilized on a modality for 2 weeks before undergoing serial cardiac MRI assessment during dialysis...
November 10, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28110120/effects-of-two-different-dialytic-treatments-on-inflammatory-markers-in-people-with-end-stage-renal-disease-with-and-without-type-2-diabetes-mellitus
#18
Giuseppe Derosa, Carmelo Libetta, Pasquale Esposito, Ilaria Borettaz, Carmine Tinelli, Angela D'angelo, Pamela Maffioli
This study was aimed to evaluate the effects on some inflammatory markers of two dialytic treatments [bicarbonate dialysis (BHD) and hemodiafiltration (HDF)] in patients with severe chronic kidney disease. We evaluated: blood glucose, homeostasis model assessment insulin resistance index, homocistein (Hcs), high sensitivity C-reactive protein (hs-CRP), fibrinogen, lipoprotein (a) [Lp(a)], metalloproteinases-2, and -9 (MMP-2 and MMP-9), and soluble receptor for advanced glycation end products (sRAGE). Considering the all sample, we observed a decrease of sRAGE with BHD, but not with HDF...
January 18, 2017: Cytokine
https://www.readbyqxmd.com/read/28105119/clinical-observation-on-the-treatment-of-acute-liver-failure-by-combined-non-biological-artificial-liver
#19
Maoqin Li, Jingxi Sun, Jiaqiong Li, Zaixiang Shi, Jiyuan Xu, Bo Lu, Shuli Cheng, Yanjun Xu, Xiaomeng Wang, Xianjiang Zhang
The clinical efficacy and safety of different combinations of non-bio artificial liver in the treatment of acute liver failure was examined. A total of 61 cases were selected under blood purification treatment from the patients with severe acute liver failure admitted to the severe disease department of the hospital from December, 2010 to December, 2015. Three types of artificial liver combinations were observed, i.e., plasma exchange plus hemoperfusion plus continuous venovenous hemodiafiltration (PE+HP+CVVHDF), PE+CVVHDF and HP+CVVHDF...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28093894/importance-of-body-water-in-the-efficacy-of-convective-solute-transport-in-online-hemodiafiltration
#20
Nicolás Macías, Alba Santos García, Almudena Vega Martínez, Soraya Abad Estébanez, Marian Goicoechea Diezhandino, Juan Manuel López Gómez
High-volume online hemodiafiltration (OL-HDF) has been associated with improved patient survival compared to conventional hemodialysis in recent trials, where the importance of convective volume (CV) in this benefit is noted. The purpose of this study was to determine the corporal composition parameters influencing the efficacy of CV in the removal of different molecular weight (MW) molecules. Demographic data, corporal composition parameters with bioimpedance spectroscopy, dialysis features and the reduction rates of different MW molecules in a four-hour OL-HDF session were collected in 61 patients...
February 2017: Therapeutic Apheresis and Dialysis
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