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https://www.readbyqxmd.com/read/28742531/variable-volume-kinetic-model-to-estimate-absolute-blood-volume-in-patients-on-dialysis-using-dialysate-dilution
#1
Hamed Samandari, Daniel Schneditz, Michael J Germain, Joseph Horowitz, Christopher V Hollot, Yossi Chait
Long- and short-term adverse outcomes in hemodialysis (HD) have been associated with intradialytic hypotension, a common HD complication and significant cause of morbidity. It has been suggested that knowledge of absolute blood volume (ABV) could be used to significantly improve treatment outcomes. Different dilution-based protocols have been proposed for estimating ABV, all relying on the classic mono-exponential back-extrapolation algorithm (BEXP). In this paper, we introduce a dialysate dilution protocol and an estimation algorithm based on a variable-volume, two-compartment, intravascular blood water content kinetic model (VVKM)...
July 24, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28737131/pharmacokinetics-of-flucloxacillin-and-its-metabolites-in-patients-with-renal-failure-impact-on-liver-toxicity%C3%A2
#2
Alexandra Maier-Salamon, Salwa Ahmed Elgendy, Brigitte Meyer, Matthias Vossen, Theresia Thalhammer, Florian Thalhammer, Walter Jäger
OBJECTIVE: The antimicrobial agent flucloxacillin is a potential cause of drug-induced liver disease, but the underlying mechanisms for toxicity have not been fully elucidated. As in-vitro and in-vivo findings suggest that biotransformation products contribute to hepatotoxicity, the purpose of this study was to characterize formation and accumulation of its metabolites in patients with renal failure. METHODS: Twelve intensive care patients undergoing continuous venovenous hemofiltration received 4...
July 24, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28729968/reproducibility-of-serial-creatinine-excretion-measurements-in-peritoneal-dialysis
#3
Zhi Xu, Glen H Murata, Yijuan Sun, Robert H Glew, Clifford Qualls, Darlene Vigil, Karen S Servilla, Thomas A Golper, Antonios H Tzamaloukas
AIM: To test whether muscle mass evaluated by creatinine excretion (EXCr) is maintained in patients with end-stage kidney disease (ESKD) treated by peritoneal dialysis (PD), we evaluated repeated measurements of EXCr in a PD population. METHODS: One hundred and sixty-six PD patients (94 male, 72 female) receiving the same PD dose for the duration of the study (up to approximately 2.5 years) had repeated determinations of total (in urine plus spent dialysate) 24-h EXCr (EXCr T) to assess the adequacy of PD by creatinine clearance...
July 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28718955/an-electrochemiluminescent-method-for-glutamate-measurement-in-small-microdialysate-samples-in-asphyxiated-young-rats
#4
Jorge Ortega-Ibarra, Silvia López-Pérez, Alberto Morales-Villagrán
Glutamate (Glu) quantification has been performed by a combination of intracerebral microdialysis through which the samples are obtained and analyzed by high performance liquid chromatography (HPLC); its measurement requires a large expenditure of time (15-30 min per sample) and special training. Therefore, an alternative method is presented here, based on the electrochemiluminescence produced by the use of an enzymatic reactor, containing glutamate-oxidase, mixed and incubated with microdialysate from dorsal striatum (DS) and prefrontal cortex (PFC) of young rats asphyxiated during the neonatal period, under a global asphyxia model in order to test this method...
July 18, 2017: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/28716046/blood-volume-monitored-regulation-of-ultrafiltration-to-decrease-the-dry-weight-in-fluid-overloaded-hemodialysis-patients-a-randomized-controlled-trial
#5
Marlies Antlanger, Peter Josten, Michael Kammer, Isabella Exner, Katharina Lorenz-Turnheim, Manfred Eigner, Gernot Paul, Renate Klauser-Braun, Gere Sunder-Plassmann, Marcus D Säemann, Manfred Hecking
BACKGROUND: Because chronic fluid volume overload is associated with higher mortality, we tested whether blood-volume monitored regulation of ultrafiltration and dialysate conductivity (UCR) and/or regulation of ultrafiltration and temperature (UTR) would facilitate dry weight reduction, in comparison to conventional dialysis (CONV). METHODS: We carried out a multicenter, 4-week, randomized controlled trial in hemodialysis patients ≥15% above normal extracellular fluid volume (ECV), per bioimpedance spectroscopy, who were randomized 1:1:1...
July 17, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28708214/hypomagnesemia-and-cause-specific-mortality-in-hemodialysis-patients-5-year-follow-up-analysis
#6
Gjulsen N Selim, Goce Spasovski, Liljana Tozija, Ljubica Georgievska-Ismail, Beti Zafirova-Ivanovska, Jelka Masin-Spasovska, Irena Rambabova-Busletic, Zvezdana Petronijevic, Pavlina Dzekova-Vidimliski, Vesna Ristovska, Vladimir Pusevski, Olivera Stojceva-Taneva
INTRODUCTION: The aim of this prospective study was to evaluate the association between serum magnesium (Mg) and mortality, in particular the cause-specific mortality of Mg and other risk factors in hemodialysis (HD) patients. METHODS: We studied a cohort of 185 HD patients receiving thrice-weekly HD treatment, on a dialysate Mg concentration of 0.5 mmol/L. We stratified 3 patient groups according to the level of Mg: lower (<1.1 mmol/L), intermediate-reference (1...
July 1, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28707330/the-impact-of-dialysis-modality-and-membrane-characteristics-on-intradialytic-hypotension
#7
Samir Patel, Jochen G Raimann, Peter Kotanko
The risk of intradialytic hypotension (IDH) is determined by various factors, among them dialysis modality and dialyzer membrane. We conducted a literature search in PubMed on November 1, 2016 and selected relevant randomized controlled and cross-over trials, and prospective and retrospective cohort studies published in English that investigated the association between IDH and dialysis modality and membrane, respectively. This literature search revealed 669 publications on dialysis modality, 64 on dialysis membrane, and 24 on acetate/bicarbonate dialysate...
July 13, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28707302/dialysate-sodium-and-intradialytic-hypotension
#8
Wael F Hussein, Brigitte Schiller
Intradialytic hypotension (IDH) is a common complication in hemodialysis, particularly with the time and frequency constraints of standard session delivery in contemporary practice. High intradialytic weight gain (IDWG), high ultrafiltration rates (UFR), and frequent IDH are highly interlinked, and separately or together contribute to the high cardiovascular morbidity and mortality observed in the hemodialysis population. Using a lower concentration of sodium in the dialysate (D-Na) reduces sodium delivery to the patient during dialysis, and several studies reported the beneficial effect in controlling IDWG, UFR, and hypertension...
July 13, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28700186/-the-treatment-of-aki-in-nephrology-hospitalization-the-sle-hdf-15-litres-in-10-hours
#9
REVIEW
Marcello Napoli, Maria Luisa Lefons, Giovanni Sandri, Efisio Sozzo, Carmela Ambrosino
The AKI in intensive care has been widely treated by international and national guidelines. The treatment of AKI in patients not requiring admission in Intensive Care Unit, but often hospitalized in Nephrology Unit, it is showed of less relevance. For over 5 years we have used for the treatment of AKI of patients admitted in Nephrology Unit an intermittent slow technique, implemented in approximately 600 patients with AKI for a total of about 3000 treatments. In this study we report the clinical results obtained in 100 consecutive patients referred to our Nephrology Unit from 1st January 2014...
June 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28698252/peritoneal-equilibration-test-reference-values-using-a-3-86-glucose-solution-during-the-first-year-of-peritoneal-dialysis-results-of-a-multicenter-study-of-a-large-patient-population
#10
Vincenzo La Milia, Gianfranca Cabiddu, Giovanbattista Virga, Valerio Vizzardi, Anna Giuliani, Viviana Finato, Mariano Feriani, Armando Filippini, Loris Neri, Lucia Lisi
BACKGROUND: The original peritoneal equilibration test (PET) was used to classify peritoneal dialysis (PD) patients using a 2.27% glucose solution. It has since been suggested that a 3.86% glucose solution be used because this provides better information about ultrafiltration (UF) capacity and the sodium (Na) sieving of the peritoneal membrane. OBJECTIVE: The aim of this study was to determine reference values for a PET using a 3.86% glucose solution (PET-3.86%)...
July 11, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28698251/trpa1-mechanoreceptors-mediate-the-il-6-response-to-a-single-pd-dwell-in-the-rat
#11
Daniel Nilsson, Eva Jennische, Nicola Cavallini, Magnus Braide
BACKGROUND: The development of modern, biocompatible peritoneal dialysis (PD) fluids has not entirely eliminated the local pro-inflammatory effects of PD fluid administration. The present study was performed in order to establish the importance of known signaling pathways connected to mechano-, osmo- and chemo-sensors of the transient receptor potential (TRP) family for the acute inflammatory response to PD. METHODS: Rats were exposed to a single 4-hour dwell of lactate-buffered, 2...
July 11, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28690302/a-rapid-dialysis-method-for-analysis-of-artificial-sweeteners-in-foods-2nd-report
#12
Shoichi Tahara, Sumiyo Yamamoto, Yukiko Yamajima, Hiroyuki Miyakawa, Yoko Uematsu, Kimio Monma
Following the previous report, a rapid dialysis method was developed for the extraction and purification of four artificial sweeteners, namely, sodium saccharide (Sa), acesulfame potassium (AK), aspartame (APM), and dulcin (Du), which are present in various foods. The method was evaluated by the addition of 0.02 g/kg of these sweeteners to a cookie sample, in the same manner as in the previous report. Revisions from the previous method were: reduction of the total dialysis volume from 200 to 100 mL, change of tube length from 55 to 50 cm, change of dialysate from 0...
2017: Shokuhin Eiseigaku Zasshi. Journal of the Food Hygienic Society of Japan
https://www.readbyqxmd.com/read/28690217/-clinical-characteristics-and-the-factors-relevant-to-peritoneal-transport-function-in-patients-with-continuous-ambulatory-peritoneal-dialysis
#13
Yang Xie, Hao Zhang, Jianwen Wang, Jun Liu, Bin Yi, Ke Zhang, Jishi Liu
To observe the clinical characteristics with different peritoneal transport type in patients with continuous ambulatory peritoneal dialysis (CAPD), and to investigate the factors associated with peritoneal transport function.
 Methods: The clinical data of 158 CAPD patients were analyzed retrospectively. According to peritoneal equilibration test, a method for evaluation of the peritoneal transport function, the patients were divided into 2 groups: a high average and high peritoneal transport group (Group A, n=84) and a low average and low peritoneal transport group (Group B, n=74)...
June 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28682991/the-effect-of-cold-dialysis-in-motor-and-sensory-symptoms-of-rls-wed-occurring-during-hemodialysis-a-double-blind-study
#14
Giorgos K Sakkas, Evaggelia Tsaknaki, Clara S Rosa, Christoforos D Giannaki, Argyro A Krase, Eleftherios Lavdas, Georgios M Hadjigeorgiou, Ioannis Stefanidis, Christina Karatzaferi
Restless legs syndrome/Willis-Ekbom disease (RLS/WED) is a common sensorimotory disorder affecting almost 30% of hemodialysis (HD) patients. RLS/WED induces discomfort during rest hours, and its symptoms have also been observed during HD sessions. Anecdotal reports suggest that cooling the dialysate solution during dialysis could help patients overcome those symptoms and improve restlessness. The aim of this double-blind study was to assess whether a reduction of the dialysate temperature by 1°C could reduce motor and sensory symptoms of RLS/WED occurring during HD...
July 4, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28682572/carmelo-giordano-1930-2016-a-giant-in-nephrology
#15
Natale De Santo, Carlo De Pascale, Ernesto Quarto, Malcolm E Phillips, Biagio Di Iorio
Carmelo Giordano (Carmine, Louis, Joseph Giordano) was born in Naples on August 23, 1930 in the house of Rafael and Anna Tirone He received the MD cum laude in 1954. He was Fellow and assistant to Professor Flaviano Magrassi and studied nephrology at the Peter Bent Brigham Hospital, University of Harvard in Boston, under the guidance of John P. Merrill (1958-1960). He was nominated Professor of Nephrology at the University Federico II, Naples in 1975 and Professor of Medicine at the Second University of Naples (1986-2002)...
April 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28679363/incremental-short-daily-home-hemodialysis-a-case-series
#16
Stephanie M Toth-Manikowski, Surekha Mullangi, Seungyoung Hwang, Tariq Shafi
BACKGROUND: Patients starting dialysis often have substantial residual kidney function. Incremental hemodialysis provides a hemodialysis prescription that supplements patients' residual kidney function while maintaining total (residual + dialysis) urea clearance (standard Kt/Vurea) targets. We describe our experience with incremental hemodialysis in patients using NxStage System One for home hemodialysis. CASE PRESENTATION: From 2011 to 2015, we initiated 5 incident hemodialysis patients on an incremental home hemodialysis regimen...
July 5, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28676510/peritoneal-dialysis-in-very-low-birth-weight-neonates
#17
Vesna D Stojanović, Svetlana S Bukarica, Jelena B Antić, Aleksandra D Doronjski
BACKGROUND: The aim of this retrospective study is to evaluate clinical characteristics and outcomes of very low birth weight (VLBW) neonates with acute kidney injury (AKI) treated with peritoneal dialysis (PD). METHODS: This retrospective study included 10 VLBW neonates treated with PD. Intravenous (IV) cannula and umbilical venous catheter were used for the peritoneal access. RESULTS: Mean age at the moment of starting PD was 14.9 ± 9.3 days...
July 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28676506/peritoneal-dialysis-access-and-start-practices-that-affect-dialysate-leak-and-technique-failure-acts-of-commission-and-omission
#18
John H Crabtree, Raoul J Burchette
No abstract text is available yet for this article.
July 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28666704/systemic-and-tissue-specific-effects-of-aliskiren-on-the-raas-and-carbohydrate-lipid-metabolism-in-obese-patients-with-hypertension
#19
Stefan Engeli, Marcus May, Juerg Nussberger, A H Jan Danser, William P Dole, Margaret F Prescott, Marion Dahlke, Sylvie Stitah, Parasar Pal, Michael Boschmann, Jens Jordan
Aliskiren penetrates adipose and skeletal muscle in hypertensive patients with abdominal obesity and reduces renin-angiotensin-aldosterone system activity. After discontinuation, blood pressure-lowering effects are observed possibly through drug-tissue binding. We performed microdialysis evaluation of adipose tissue and skeletal muscle before and during an insulin-modified frequently sampled intravenous glucose tolerance test (IM-FSIGT). Aliskiren 300 mg (n = 8) or amlodipine 5 mg (n = 8) once daily were administered during a 12-week randomized treatment period...
June 12, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28666073/to-cool-or-too-cool-is-reducing-dialysate-temperature-the-optimal-approach-to-preventing-intradialytic-hypotension
#20
John W Larkin, Marta M Reviriego-Mendoza, Len A Usvyat, Peter Kotanko, Franklin W Maddux
Abnormal decreases in blood pressure during hemodialysis are frequent in end stage renal disease (ESRD) patients treated with hemodialysis, and thought to be largely due to an inadequate cardiovascular response to the rapid blood volume decline. Intradialytic hypotension (IDH) and cardiac instability during dialysis can increase risks for negative health consequences and is possibly preventable though several types of interventions. One intervention that holds promise for prevention of IDH in hemodialysis patients is to reduce the temperature of the dialysate to or below the patient's core temperature...
June 30, 2017: Seminars in Dialysis
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