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Electrolyte balance

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https://www.readbyqxmd.com/read/28933805/perioperative-administration-of-buffered-versus-non-buffered-crystalloid-intravenous-fluid-to-improve-outcomes-following-adult-surgical-procedures
#1
REVIEW
Sohail Bampoe, Peter M Odor, Ahilanandan Dushianthan, Elliott Bennett-Guerrero, Suzie Cro, Tong J Gan, Michael Pw Grocott, Michael Fm James, Michael G Mythen, Catherine Mn O'Malley, Anthony M Roche, Kathy Rowan, Edward Burdett
BACKGROUND: Perioperative fluid strategies influence clinical outcomes following major surgery. Many intravenous fluid preparations are based on simple solutions, such as normal saline, that feature an electrolyte composition that differs from that of physiological plasma. Buffered fluids have a theoretical advantage of containing a substrate that acts to maintain the body's acid-base status - typically a bicarbonate or a bicarbonate precursor such as maleate, gluconate, lactate, or acetate...
September 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28925163/-proteomics-research-of-intervention-effect-of-qi-enriching-herbs-on-qi-deficiency-rats-based-on-technology-of-nanolc-ltq-orbitrap
#2
Yin-Fang Chen, Ying-Jun Fu, Chao Liu, Min Hou, Guo-Liang Xu, Ri-Yue Yu, Hong-Ning Liu, Li-Ping Huang
Proteomics method, based on NanoLC-LTQ-Orbitrap technology, was applied to explore the biological basis of intervention effect of "Qi enriching" herbs on "Qi deficiency" rats. The "Qi deficiency" rat model was established with caloric restriction combined with excessive swimming. Muscle proteins of vastus lateralis from the blank group, the model group and the ginseng group were detected by NanoLC-LTQ-Orbitrap system. The data were imported into Protein Discovery software to identify the proteins and all the raw datum were analyzed by SIEVE software...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28919596/outcome-of-pregnancy-related-acute-kidney-injury-observed-in-a-tertiary-care-hospital
#3
S U Ahammed, A A Chowdhury, A S Roy, M A Muqueet, M A Rahman, M S Kabir, M G Rabbani, M Asadujjaman, M B Hossain, M Akhtaruzzaman, S K Das, E H Khan, M A Islam, M J Hasan, M A Rahman, R K Talukder, J Ara, G C Barman, P P Roy, M K Saha, D Mondal
This prospective case control study was carried out in Mymensingh Medical College Hospital (MMCH) from April 2011 to March 2012. The main objective of the study was to determine the short term maternal outcome of pregnancy related Acute Kidney Injury and to identify aetiological factors and to observe clinical features of pregnancy related Acute Kidney Injury. Total 60 pregnant women with AKI were included in the study as sample and equal (60) number of pregnant women with normal renal function was taken as control...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28914864/-hyponatremia-a-clinical-approach
#4
D Yu Shchekochikhin, N L Kozlovskaya, F Yu Kopylov, A L Syrkin, E M Shilov
Hyponatremia is the most common electrolyte metabolic abnormality in clinical practice. The unfavorable course of many diseases is associated with hyponatremia. Acute severe hyponatremia is life-threatening because cerebral edema may develop. Less obvious chronic hyponatremia increases the risk of balance problems, falls and fractures, especially in elderly patients. In any occasion, hyponatremia should not be now regarded only as a laboratory phenomenon in critically ill patients, but it necessitates a thorough clinical analysis of each individual case and appropriate therapy...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28914359/changes-in-acid-base-and-ion-balance-during-exercise-in-normoxia-and-normobaric-hypoxia
#5
Olaf Lühker, Marc Moritz Berger, Alexander Pohlmann, Lorenz Hotz, Tilmann Gruhlke, Marcel Hochreiter
PURPOSE: Both exercise and hypoxia cause complex changes in acid-base homeostasis. The aim of the present study was to investigate whether during intense physical exercise in normoxia and hypoxia, the modified physicochemical approach offers a better understanding of the changes in acid-base homeostasis than the traditional Henderson-Hasselbalch approach. METHODS: In this prospective, randomized, crossover trial, 19 healthy males completed an exercise test until voluntary fatigue on a bicycle ergometer on two different study days, once during normoxia and once during normobaric hypoxia (12% oxygen, equivalent to an altitude of 4500 m)...
September 15, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28913500/neuroendocrine-stress-response-implications-for-cardiac-surgery-associated-acute-kidney-injury
#6
REVIEW
J Mauricio Del Rio, Alina Nicoara, Madhav Swaminathan
Surgical stress causes biochemical and physiologic perturbations of every homeostatic axis. These alterations include volume/baroreceptor regulation, sympathetic activation, parasympathetic suppression, neuroendocrine activation, acute phase response protein synthesis and secretion, immune response modulation and long-term behavioral adaptation. The kidney is central to the stress response because of its main role in the maintenance of water, electrolyte balance and hence, intracellular and extracellular compartments, including the intravascular volume...
April 2017: Rom J Anaesth Intensive Care
https://www.readbyqxmd.com/read/28910792/inflammation-a-key-contributor-to-the-genesis-and-progression-of-chronic-kidney-disease
#7
Qi Qian
It has become apparent that inflammation and inflammatory reactions can evoke renal injury and promote chronic kidney disease (CKD) progression. Under physiological condition, intrarenal vascular distribution is heterogeneous, and medulla is hypoxic. To avoid energy deprivation in the low pO2 regions of the kidney, an array of hormones, autocoids, and vasoactive substances, including medullipin, prostaglandins, endothelins, nitric oxide, angiotensin II, kinins, and adenosine, tonically regulates the microvasculature to ensure a perfect match of the microcirculation (O2 supply) and renal tubules (O2 demand)...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28902150/an-electrochemical-low-frequency-seismic-micro-sensor-based-on-mems-with-a-force-balanced-feedback-system
#8
Guanglei Li, Junbo Wang, Deyong Chen, Jian Chen, Lianhong Chen, Chao Xu
Electrochemical seismic sensors are key components in monitoring ground vibration, which are featured with high performances in the low-frequency domain. However, conventional electrochemical seismic sensors suffer from low repeatability due to limitations in fabrication and limited bandwidth. This paper presents a micro-fabricated electrochemical seismic sensor with a force-balanced negative feedback system, mainly composed of a sensing unit including porous sensing micro electrodes immersed in an electrolyte solution and a feedback unit including a feedback circuit and a feedback magnet...
September 13, 2017: Sensors
https://www.readbyqxmd.com/read/28893316/intraosseous-blood-samples-for-point-of-care-analysis-agreement-between-intraosseous-and-arterial-analyses
#9
Milla Jousi, Simo Saikko, Jouni Nurmi
BACKGROUND: Point-of-care (POC) testing is highly useful when treating critically ill patients. In case of difficult vascular access, the intraosseous (IO) route is commonly used, and blood is aspirated to confirm the correct position of the IO-needle. Thus, IO blood samples could be easily accessed for POC analyses in emergency situations. The aim of this study was to determine whether IO values agree sufficiently with arterial values to be used for clinical decision making. METHODS: Two samples of IO blood were drawn from 31 healthy volunteers and compared with arterial samples...
September 11, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/28892608/electrode-impregnable-and-crosslinkable-peo-ppo-peo-triblock-polymer-electrolytes-with-high-ionic-conductivity-and-a-large-voltage-window-for-flexible-solid-state-supercapacitors
#10
Jae Hee Han, Jang Yong Lee, Dong Hack Suh, Young Taik Hong, Tae-Ho Kim
We present crosslinkable precursor-type gel polymer electrolytes (GPEs) that have large ionic liquid uptake capability, can easily penetrate electrodes, have high ion conductivity, and are mechanically strong as high performance flexible all solid state supercapacitors (SC). Our polymer precursors feature a hydrophilic-hydrophobic poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) (PEO-PPO-PEO) triblock main-chain structure and trifunctional silane end groups that can be multi-crosslinked with each other through a sol-gel process...
September 11, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28890961/two-dimensional-pattern-formation-in-ionic-liquids-confined-between-graphene-walls
#11
Hadrián Montes-Campos, José Manuel Otero-Mato, Trinidad Méndez-Morales, Oscar Cabeza, Luis J Gallego, Alina Ciach, Luis M Varela
We perform molecular dynamics simulations of ionic liquids confined between graphene walls under a large variety of conditions (pure ionic liquids, mixtures with water and alcohols, mixtures with lithium salts and defective graphene walls). Our results show that the formation of striped and hexagonal patterns in the Stern layer can be considered as a general feature of ionic liquids at electrochemical interfaces, the transition between patterns being controlled by the net balance of charge in the innermost layer of adsorbed molecules...
September 20, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28884574/polypyrrole-films-with-micro-nanosphere-shapes-for-electrodes-of-high-performance-supercapacitors
#12
JuKyung Lee, Hobin Jeong, Rodrigo Lassarote Lavall, Ahmed Busnaina, Younglae Kim, Yung Joon Jung, HeaYeon Lee
We demonstrate a simple and efficient one-step procedure for synthesizing a solid state polypyrrole (PPy) thin film for supercapacitor applications using alternating current impedance spectroscopy. By controlling the frequency and amplitude we were able to create unique PPy nano/microstructures with a particular morphology of the loop. Our PPy micro/nanosphere shows extremely high capacitance of 568 F/g, which is close to the theoretical value of 620 F/g and 20-100% higher than that of other reported PPy electrodes...
September 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28883678/mobile-clinical-decision-support-system-for-acid-base-balance-diagnosis-and-treatment-recommendation
#13
Mensur Mandzuka, Edin Begic, Dusanka Boskovic, Zijo Begic, Izet Masic
INTRODUCTION: This paper presents mobile application implementing a decision support system for acid-base disorder diagnosis and treatment recommendation. MATERIAL AND METHODS: The application was developed using the official integrated development environment for the Android platform (to maximize availability and minimize investments in specialized hardware) called Android Studio. RESULTS: The application identifies disorder, based on the blood gas analysis, evaluates whether the disorder has been compensated, and based on additional input related to electrolyte imbalance, provides recommendations for treatment...
June 2017: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/28880535/single-ion-li-na-and-mg-2-solid-electrolytes-supported-by-a-mesoporous-anionic-cu-azolate-metal-organic-framework
#14
Sarah S Park, Yuri Tulchinsky, Mircea Dincă
A novel Cu(II)-azolate metal-organic framework (MOF) with tubular pores undergoes a reversible single crystal to single crystal transition between neutral and anionic phases upon reaction with stoichiometric amounts of halide or pseudohalide salts. The stoichiometric transformation between the two phases allows loading of record amounts of charge-balancing Li(+), Na(+), and Mg(2+) ions for MOFs. Whereas the halide/pseudohalide anions are bound to the metal centers and thus stationary, the cations move freely within the one-dimensional pores, giving rise to single-ion solid electrolytes...
September 13, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28868290/coffee-with-high-but-not-low-caffeine-content-augments-fluid-and-electrolyte-excretion-at-rest
#15
Adam D Seal, Costas N Bardis, Anna Gavrieli, Petros Grigorakis, J D Adams, Giannis Arnaoutis, Mary Yannakoulia, Stavros A Kavouras
BACKGROUND: Low levels of caffeine ingestion do not induce dehydration at rest, while it is not clear if larger doses do have an acute diuretic effect. The aim of the present investigation was to examine the acute effect of low and high levels of caffeine, via coffee, on fluid balance in habitual coffee drinkers (at least one per day) at rest. METHODS: Ten healthy adults (eight males and two females; age: 27 ± 5 years, weight: 89.5 ± 14.8 kg, height: 1...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/28862988/feto-maternal-osmotic-balance-at-term-a-prospective-observational-study
#16
Vibeke Moen, Lars Brudin, Ivar Tjernberg, Mats Rundgren, Lars Irestedt
OBJECTIVE: We performed the present study to investigate the feto-maternal osmotic relationship at term with the hypothesis that, in contrast to the literature, maternal plasma osmolality is lower than fetal levels. In a previous study, we found that maternal plasma sodium at delivery was consistently lower than the sodium in the umbilical artery. Our aim was to corroborate these results with analysis of osmolality. METHODS: Blood was sampled from 30 women immediately before cesarean section and from the umbilical artery and vein before cord clamping and osmolality, sodium and albumin were analyzed...
June 6, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28861607/glomerular-and-tubular-effects-of-nitric-oxide-no-are-regulated-by-angiotensin-ii-ang-ii-in-an-age-dependent-manner-through-activation-of-both-angiotensin-receptors-at1rs-and-at2rs-in-conscious-lambs
#17
Angela E Vinturache, Francine G Smith
Renin-angiotensin (RAS) and nitric oxide (NO) systems and the balance and interaction between them are considered of primary importance in maintaining fluid and electrolyte homeostasis. It has been suggested that the effects of NO may be modulated at least in part by the angiotensin (Ang) II, yet the roles of angiotensin receptor type 1 (AT1R) and type 2 (AT2R) are not well understood. Even though both Ang II and NO are elevated at birth and during the newborn period, their contribution to the adaptation of the newborn to life after birth as well as their physiological roles during development are poorly understood...
August 31, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28854743/examining-the-effect-of-dietary-electrolyte-balance-energy-source-and-length-of-feeding-of-nitrogen-free-diets-on-ileal-endogenous-amino-acid-losses-in-broilers
#18
S A Adedokun, A J Pescatore, M J Ford, J P Jacob, A Helmbrecht
The effect of dietary electrolyte balance (DEB), energy source (ES), and length of feeding of nitrogen-free diet (NFD) on ileal endogenous amino acid (EAA) loss in mg/kg dry matter intake (DMI) was evaluated in broiler chickens. In Experiment 1, 720 chickens consisting of 15 replicate cages with 6 chickens/replicate were used. Treatments were arranged in a 2 × 2 × 2 factorial and consisted of 4 NFD with 2 levels (low or high) of DEB and 2 ES [corn starch (CS) or dextrose (DX)], and 2 sampling time-points (diets were fed for either 72 h (d 16 to 19) or 120 h (d 16 to 21)...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28835067/-brief-disserting-on-the-balance-of-internal-environment-in-burn-disease
#19
C M Han, X G Wang
The essential internal environment in human being involves water, electrolyte, and acid-base balance, which is the basis of balance and stability of internal environment in other systems. For burn patients, the balance of internal environment, referring to metabolism, nutrition, inflammatory response, and immunoreaction, is one of the most important aspects in burn disease. This paper aims to briefly elaborate the balance of internal environment after burn, with the purpose to promote the basic and clinical research in this field...
August 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28834108/influence-of-hang-time-and-location-on-bacterial-contamination-of-intravenous-bags-in-a-veterinary-emergency-and-critical-care-setting
#20
Julien Guillaumin, Nichole M Olp, Karissa D Magnusson, Amy L Butler, Joshua B Daniels
OBJECTIVE: To assess the rate of bacterial contamination of fluid and ports in intravenous bags in a veterinary emergency room (ER) and intensive care unit (ICU). DESIGN: Experimental model. SETTING: Ninety intravenous fluid bags of lactated balanced-electrolytes solution (1 L) hung in a university hospital. INTERVENTIONS: Bags were hung in 2 different locations in the ER (sink and bins) and one location in the ICU (sink) for 11 days...
September 2017: Journal of Veterinary Emergency and Critical Care
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