Academic literature on the topic 'Dialysate pH'

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Journal articles on the topic "Dialysate pH"

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Nakata, T., W. Berard, E. Kogosov, and N. Alexander. "Hypothalamic NE release and cardiovascular response to NaCl in sinoaortic-denervated rats." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 260, no. 4 (1991): R733—R738. http://dx.doi.org/10.1152/ajpregu.1991.260.4.r733.

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We determined the activity of noradrenergic neurons in the nucleus of the posterior hypothalamus (PH) of sinoaortic-denervated (SAD) and sham-operated (SO) rats during cardiovascular responses to intravenous (iv) or local brain dialysis of NaCl. PH extracellular norepinephrine (NE) was collected by microdialysis from freely moving rats, and dialysate NE was measured by radioenzymatic assay. Three days after SAD or SO, mean arterial pressure (MAP) and heart rate (HR) were significantly higher in SAD rats than SO rats. Basal levels of PH dialysate were also significantly elevated in SAD rats. Lo
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Oettinger, C. W., and J. C. Oliver. "Normalization of uremic acidosis in hemodialysis patients with a high bicarbonate dialysate." Journal of the American Society of Nephrology 3, no. 11 (1993): 1804–7. http://dx.doi.org/10.1681/asn.v3111804.

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Uremic acidosis accompanies chronic renal failure in hemodialysis patients because of a retention of nonvolatile acids. Standard bicarbonate (39 mEq/L) and acetate (38 mEq/L) dialysates do not completely correct the acidosis. The acid-base and biochemical effect of a high-bicarbonate (42 mEq/L) dialysate was evaluated in 38 patients during high-efficiency and high-flux dialysis over 12 wk. All patients were dialyzed on standard bicarbonate dialysate before the study and for 8 wk after the study. In order to monitor potential excessive alkalosis, predialysis and postdialysis arterial blood gase
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Cave, Grant, Rachel Kee, Martyn Harvey, and Zimei Wu. "pH Gradient Liposomes Extract Protein Bound Amitriptyline in Peritoneal Dialysis—Exploratory Work." International Journal of Molecular Sciences 23, no. 19 (2022): 11577. http://dx.doi.org/10.3390/ijms231911577.

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Poisoning is a significant cause of injury-related death worldwide. Dialysis is usually ineffective in removing the toxin once it has been absorbed because of drug protein binding and high volumes of distribution. In this work, we explore whether the addition of liposomes to peritoneal dialysate could extract protein bound amitriptyline. Liposomes were prepared using the thin film hydration method. In the in vitro experiment, 3 mL of 20% albumin with a concentration of 6000 nmol/L amitriptyline in a proprietary dialysis cartridge was dialysed against 125 mL of phosphate-buffered saline with an
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Pawlaczyk, Krzysztof, Malgorzata Kuzlan-Pawlaczyk, Katarzyna Wieczorowska Tobis, et al. "Bicarbonate/Lactate Dialysis Solution Improves In Vivo Function of Peritoneal Host Defense in Rats." Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis 19, no. 2_suppl (1999): 370–77. http://dx.doi.org/10.1177/089686089901902s60.

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Objective To assess the in vivo peritoneal inflammatory reaction in rats dialyzed with neutral, bicarbonatelactate-buffered dialysis fluid. Methods Chronic peritoneal dialysis was performed for 4 weeks in Wistar rats with two solutions: (1) 40 mmol/l lactate-buffered fluid, pH 5.2, with a glucose concentration of 2.27 gldl (lac); and, (2) 15 mmolll lactate and 25 mmolll bicarbonate-buffered fluid, pH 7.0 -7.5, with a glucose concentration of 2.27gldl (Bic-lac). After 4 weeks, two peritoneal equilibration tests (PET 1 and PET 2) were performed in all animals with each respective solution. PET 1
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Nakata, T., W. Berard, E. Kogosov, and N. Alexander. "Cardiovascular change and hypothalamic norepinephrine release in response to environmental stress." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 264, no. 4 (1993): R784—R789. http://dx.doi.org/10.1152/ajpregu.1993.264.4.r784.

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The major objective of this study was to compare the magnitude and duration of cardiovascular (CV) responses to acute environmental stresses with the associated patterns of noradrenergic activity in the paraventricular nucleus (PVN) and posterior nucleus (PH) of the hypothalamus. Simultaneous microdialysis samples of extracellular norepinephrine (NE) were collected at 5-min intervals from PVN and PH and the CV responses were recorded before, during, and for 15 min after acute shaker (cage oscillation) stress or inhalation of ether vapor in freely moving rats. Five minutes of shaker stress, 60
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Kaombe, Divina D., Yanhong Du, and Michael J. Lewis. "Mineral partitioning in milk and milk permeates at high temperature." Journal of Dairy Research 79, no. 1 (2011): 1–6. http://dx.doi.org/10.1017/s0022029911000616.

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The soluble phase of milk was separated at 20 and 80°C using ultrafiltration. The resulting permeates were then subjected to further ultrafiltration and dialysis at close to these two temperatures. It was found that pH, Ca2+ and soluble Ca decreased as the separation temperature increased both in original UF permeates and in dialysates obtained from these permeates, but P decreased only slightly. The major reason for these changes was due to the precipitation of calcium phosphate/citrate complexes onto the casein micelle with concomitant release of H+. The pH of both permeates and dialysates f
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Vu, Lien H., John A. Kellum, William J. Federspiel, and Matthew E. Cove. "Carbon dioxide removal using low bicarbonate dialysis in rodents." Perfusion 34, no. 7 (2019): 578–83. http://dx.doi.org/10.1177/0267659119839284.

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Background: Extracorporeal carbon dioxide removal may be used to manage hypercapnia, but compared to dialysis, it’s not widely available. A recent in vitro study showed that dialysis with low bicarbonate dialysates removes CO2. Objective: To show that bicarbonate dialysis removes CO2 in an animal model to validate in-vitro findings and quantify the effect on arterial pH. Methods: Male Sprague-Dawley hypercapnic rats were dialyzed with either a conventional dialysate (PrismasolTM) or a bicarbonate-free dialysate (Bicarb0). The effect of dialysis on standard blood gases and electrolytes was meas
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La Milia, Vincenzo, Monica Limardo, Monica Crepaldi, and Francesco Locatelli. "Effects of Ionized Sodium Concentrations on Ultrafiltration Rate in Peritoneal Dialysis Using Lactate and Lactate/Bicarbonate Solutions." Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis 29, no. 2 (2009): 158–62. http://dx.doi.org/10.1177/089686080902900209.

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Objective To investigate the possible effects of different concentrations of ionized sodium (NaI) on peritoneal ultrafiltration (UF) rate using lactate (Lac) and lactate/bicarbonate (Lac/Bic) dialysis solutions. Design Two random consecutive (after an interval of 48 hours) peritoneal equilibration tests (PETs) were performed in 13 patients (4 males and 9 females) on regular continuous ambulatory peritoneal dialysis (PD) treatment for at least 3 months. Two different PD solutions containing anhydrous glucose 3.86% were used: a 40 mmol/L Lac solution and a 15/25 mmol/L mixed Lac/Bic solution. Co
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Douvdevani, Amos, Jayson Rapoport, Aviva Konforti, Moshe Zlotnik, and Cidio Chaimovitz. "The Effect of Peritoneal Dialysis Fluid on the Release of Il-113 and Tnfa by Macrophages/Monocytes." Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis 13, no. 2 (1993): 112–17. http://dx.doi.org/10.1177/089686089301300206.

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Objective To study the effect of dialysis fluid on the release of interleukin-1β (IL-1β) and tumor necrosis factor (TNFα) by peritoneal macrophages (PM) and peripheral blood mononuclear cells (MNC), and the time course and factors involved in this effect Design PM and MNC were incubated for various periods with Dianeal itself, or Dianeal of varying pH and composition.IL-1 β was measured by radioimmunoassay and TNFα by cytotoxicity assay. Patients PM were obtained by centrifugation of dialysis effluent from 3 continuous ambulatory peritoneal dialysis (CAPD) patients. MNC were obtained from heal
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McCormick, Brendan B., Salim Mujais, Francine Poirier, Nicole Page, and Susan Lavoie. "Metabolic Effects of Incremental Doses of Intraperitoneal Amino Acids on Automated Peritoneal Dialysis." Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis 30, no. 2 (2010): 201–7. http://dx.doi.org/10.3747/pdi.2009.00040.

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BackgroundThe use of amino acid (AA) dialysate to ameliorate protein-energy malnutrition has been limited by adverse metabolic effects.ObjectiveWe undertook this study to examine the acute metabolic effects of escalating doses of AAs delivered with lactate/bicarbonate dialysate on automated peritoneal dialysis (APD).Patients and Methods12 APD patients were treated with conventional lactate-buffered dialysate (week 1), followed by lactate/bicarbonate-buffered dialysate (week 2), then 2 – 2.5 L 1.1% AA solution were added (week 3), and then an additional 2 – 2.5 L 1.1% AA were added (week 4). Th
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Dissertations / Theses on the topic "Dialysate pH"

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Street, Darrin. "Skeletal muscle interstitium and blood pH at rest and during exercise in humans." Thesis, Queensland University of Technology, 2003. https://eprints.qut.edu.au/15850/1/Darrin_Street_Thesis.pdf.

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The aims of this thesis were to: 1) develop a new method for the determination of interstitial pH at rest and during exercise in vivo, 2) systematically explore the effects of different ingestion regimes of 300 mg.kg-1 sodium citrate on blood and urine pH at rest, and 3) to combine the new interstitial pH technique with the findings of the second investigation in an attempt to provide a greater understanding of H+ movement between the extracellular compartments. The purpose of the first study was to develop a method for the continuous measurement of interstitial pH in vastus lateralis was s
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Street, Darrin. "Skeletal Muscle Interstitium and Blood pH at Rest and During Exercise in Humans." Queensland University of Technology, 2003. http://eprints.qut.edu.au/15850/.

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The aims of this thesis were to: 1) develop a new method for the determination of interstitial pH at rest and during exercise in vivo, 2) systematically explore the effects of different ingestion regimes of 300 mg.kg-1 sodium citrate on blood and urine pH at rest, and 3) to combine the new interstitial pH technique with the findings of the second investigation in an attempt to provide a greater understanding of H+ movement between the extracellular compartments. The purpose of the first study was to develop a method for the continuous measurement of interstitial pH in vastus lateralis was suc
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Schwabe, Sandra. "Parodontalzustand, parodontale Bakterienlast sowie pH-Wert und Pufferkapazität des Speichels bei dialysepflichtigen Patienten mit und ohne diabetisches Syndrom – Eine klinische Querschnittsstudie." Doctoral thesis, 2016. http://hdl.handle.net/11858/00-1735-0000-002B-7C31-6.

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