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Fluid and 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/28919596/outcome-of-pregnancy-related-acute-kidney-injury-observed-in-a-tertiary-care-hospital
#2
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/28868290/coffee-with-high-but-not-low-caffeine-content-augments-fluid-and-electrolyte-excretion-at-rest
#3
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/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
#4
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/28834108/influence-of-hang-time-and-location-on-bacterial-contamination-of-intravenous-bags-in-a-veterinary-emergency-and-critical-care-setting
#5
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
https://www.readbyqxmd.com/read/28833697/effect-of-intravenously-administered-crystalloid-solutions-on-acid-base-balance-in-domestic-animals
#6
REVIEW
W Muir
Intravenous fluid therapy can alter plasma acid-base balance. The Stewart approach to acid-base balance is uniquely suited to identify and quantify the effects of the cationic and anionic constituents of crystalloid solutions on plasma pH. The plasma strong ion difference (SID) and weak acid concentrations are similar to those of the administered fluid, more so at higher administration rates and with larger volumes. A crystalloid's in vivo effects on plasma pH are described by 3 general rules: SID > [HCO3-] increases plasma pH (alkalosis); SID < [HCO3-] decreases plasma pH (alkalosis); and SID = [HCO3-] yields no change in plasma pH...
September 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28814497/extracellular-acid-base-balance-and-ion-transport-between-body-fluid-compartments
#7
REVIEW
Julian L Seifter, Hsin-Yun Chang
Clinical assessment of acid-base disorders depends on measurements made in the blood, part of the extracellular compartment. Yet much of the metabolic importance of these disorders concerns intracellular events. Intracellular and interstitial compartment acid-base balance is complex and heterogeneous. This review considers the determinants of the extracellular fluid pH related to the ion transport processes at the interface of cells and the interstitial fluid, and between epithelial cells lining the transcellular contents of the gastrointestinal and urinary tracts that open to the external environment...
September 2017: Physiology
https://www.readbyqxmd.com/read/28804120/mitochondrial-energetics-in-the-kidney
#8
REVIEW
Pallavi Bhargava, Rick G Schnellmann
The kidney requires a large number of mitochondria to remove waste from the blood and regulate fluid and electrolyte balance. Mitochondria provide the energy to drive these important functions and can adapt to different metabolic conditions through a number of signalling pathways (for example, mechanistic target of rapamycin (mTOR) and AMP-activated protein kinase (AMPK) pathways) that activate the transcriptional co-activator peroxisome proliferator-activated receptor-γ co-activator 1α (PGC1α), and by balancing mitochondrial dynamics and energetics to maintain mitochondrial homeostasis...
October 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28782823/drugs-and-the-kidneys-clinical-pharmacology-perspectives
#9
EDITORIAL
John Vincent
The focus of this edition of Clinical Pharmacolgoy & Therapeutics (CPT) is on drugs and renal function and will not include a detailed discussion of kidney disease and its treatment. It is well recognized that drugs affect the kidneys in different ways, while kidney disease impacts drug metabolism and response. It is impossible to underestimate the value of the kidneys to man in health and disease, from regulation of fluid and electrolyte balance to participating in drug metabolism and transport. Additionally, the kidneys serve as targets for drugs used to treat cardiovascular (CV) diseases including hypertension and heart failure, metabolic diseases such as diabetes mellitus and obesity, chronic kidney disease (CKD), as well as playing a role in the regulation of several hormones...
September 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28770121/necrotizing-pneumonia-an-emerging-problem-in-children
#10
REVIEW
I Brent Masters, Alan F Isles, Keith Grimwood
BACKGROUND: In children, necrotizing pneumonia (NP) is an uncommon, severe complication of pneumonia. It is characterized by destruction of the underlying lung parenchyma resulting in multiple small, thin-walled cavities and is often accompanied by empyema and bronchopleural fistulae. REVIEW: NP in children was first reported in children in 1994, and since then there has been a gradual increase in cases, which is partially explained by greater physician awareness and use of contrast computed tomography (CT) scans, and by temporal changes in circulating respiratory pathogens and antibiotic prescribing...
2017: Pneumonia
https://www.readbyqxmd.com/read/28762228/-a-systematic-review-and-meta-analysis-of-the-pros-and-cons-of-consuming-liquids-preoperatively
#11
Fang-Tzu Lin, Tsai-Rung Lin, Chia-Wei Liao, Shu-Hui Chen
BACKGROUND: Preoperative anesthesia long time fasting, may increase patient hemodynamic instability during surgery and may affect the patient's post-surgery electrolyte balance. No meta-analysis has been conducted to explore the effects of preoperative liquid intake amount on gastric fluid PH, gastric fluid volume, surgery inhalation of pulmonary complications, and patient self-perceptions quality of care systematic review and meta-analysis of the literature. PURPOSE: To assess the pros and cons of preoperative liquid intake using a systematic review of the literature...
August 2017: Hu Li za Zhi the Journal of Nursing
https://www.readbyqxmd.com/read/28754139/evidence-of-altered-haemostasis-in-an-ovine-model-of-venovenous-extracorporeal-membrane-oxygenation-support
#12
Margaret R Passmore, Yoke L Fung, Gabriela Simonova, Samuel R Foley, Sara D Diab, Kimble R Dunster, Michelle M Spanevello, Charles I McDonald, John-Paul Tung, Natalie M Pecheniuk, Karen Hay, Kiran Shekar, John F Fraser
BACKGROUND: Extracorporeal membrane oxygenation (ECMO) is a life-saving modality used in the management of cardiopulmonary failure that is refractory to conventional medical and surgical therapies. The major problems clinicians face are bleeding and clotting, which can occur simultaneously. To discern the impact of pulmonary injury and ECMO on the host's haemostatic response, we developed an ovine model of smoke-induced acute lung injury (S-ALI) and ECMO. The aims of this study were to determine if the ECMO circuit itself altered haemostasis and if this was augmented in a host with pulmonary injury...
July 29, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28753027/-1-h-nmr-metabolic-profiling-of-earthworm-eisenia-fetida-coelomic-fluid-coelomocytes-and-tissue-identification-of-a-new-metabolite-malylglutamate
#13
Corey M Griffith, Preston B Williams, Luzineide W Tinoco, Meredith M Dinges, Yinsheng Wang, Cynthia K Larive
Earthworm metabolism is recognized as a useful tool for monitoring environmental insults and measuring ecotoxicity, yet extensive earthworm metabolic profiling using (1)H nuclear magnetic resonance (NMR) spectroscopy has been limited in scope. This study aims to expand the embedded metabolic material in earthworm coelomic fluid, coelomocytes, and tissue to aid systems toxicology research. Fifty-nine metabolites within Eisenia fetida were identified, with 47 detected in coelomic fluid, 41 in coelomocytes, and 54 in whole-worm samples and tissue extracts...
September 1, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28693594/the-impact-of-phosphate-balanced-crystalloid-infusion-on-acid-base-homeostasis-palance-study-study-protocol-for-a-randomized-controlled-trial
#14
Judith-Irina Pagel, Nikolai Hulde, Tobias Kammerer, Michaela Schwarz, Daniel Chappell, Alexander Burges, Klaus Hofmann-Kiefer, Markus Rehm
BACKGROUND: This study aims to investigate the effects of a modified, balanced crystalloid including phosphate in a perioperative setting in order to maintain a stable electrolyte and acid-base homeostasis in the patient. METHODS/DESIGN: This is a single-centre, open-label, randomized controlled trial involving two parallel groups of female patients comparing a perioperative infusion regime with sodium glycerophosphate and Jonosteril® (treatment group) or Jonosteril® (comparator) alone...
July 10, 2017: Trials
https://www.readbyqxmd.com/read/28686506/the-impact-of-aging-on-epithelial-barriers
#15
Alan R Parrish
The epithelium has many critical roles in homeostasis, including an essential responsibility in establishing tissue barriers. In addition to the fundamental role in separating internal from external environment, epithelial barriers maintain nutrient, fluid, electrolyte and metabolic waste balance in multiple organs. While, by definition, barrier function is conserved, the structure of the epithelium varies across organs. For example, the skin barrier is a squamous layer of cells with distinct structural features, while the lung barrier is composed of a very thin single cell to minimize diffusion space...
June 26, 2017: Tissue Barriers
https://www.readbyqxmd.com/read/28675827/hyperglycemia-induced-hyponatremia-reevaluation-of-the-na-correction-factor
#16
Matthew B Wolf
This study addresses the clinically important relationship between the decreases in plasma Na(+) and the increases in plasma glucose concentrations seen in diabetes and other hyperglycemic syndromes. This plasma 'Na(+) correction factor', is generally accepted as 1.6mM Na(+) per 100mg% glucose (0.29mM/mM in SI units) assuming osmotic equilibrium, although much larger numbers have been measured in experiments on normal humans. To resolve this controversy, a mathematical model of whole-body fluid-electrolyte balance was used to perform the experiment wherein plasma glucose concentration was increased to diabetic levels and the plasma Na(+) concentration changes assessed, without the complications seen in human experiments...
June 29, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28660810/intravenous-fluid-and-electrolyte-administration-in-elective-gastrointestinal-surgery-mechanisms-of-excessive-therapy
#17
R G Simpson, J Quayle, N Stylianides, G Carlson, M Soop
INTRODUCTION While clinical guidelines stress the importance of the judicious perioperative intravenous fluid administration, data show that adherence to these protocols is poor. The reasons have not been identified. We therefore audited the magnitude and indications of fluid and electrolyte administration in a teaching hospital. We hypothesised that epidural analgesia is associated with excessive fluid therapy. MATERIALS AND METHODS Intravenous fluid and electrolyte administration during the day of surgery and the subsequent 2 days in consecutive patients undergoing elective gastrointestinal surgery between November 2013 and May 2014 were retrospectively audited...
July 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28652798/combined-aquaretic-and-diuretic-therapy-in-acute-heart-failure
#18
Michael Goyfman, Paul Zamudio, Kristine Jang, Jennifer Chee, Catherine Miranda, Javed Butler, Nand K Wadhwa
INTRODUCTION: Acute heart failure (AHF) is a leading cause of hospitalization and readmission in the US. The present study evaluated maximum diuresis while minimizing electrolyte imbalances, hemodynamic instability, and kidney dysfunction, to achieve a euvolemic state safely in a shorter period of time. METHODS AND RESULTS: A protocol of combined therapy with furosemide, metolazone, and spironolactone, with or without tolvaptan and acetazolamide, was used in 17 hospitalized patients with AHF...
2017: International Journal of Nephrology and Renovascular Disease
https://www.readbyqxmd.com/read/28651510/pharmacodynamics-of-intravenous-frusemide-bolus-in-critically-ill-patients
#19
Agnes Huang, Nora Luethi, Johan Mårtensson, Rinaldo Bellomo, Luca Cioccari
OBJECTIVE: To assess the physiological, biochemical and haemodynamic response to a single intravenous (IV) dose of frusemide in critically patients. DESIGN, SETTING AND PATIENTS: A prospective observational study of 21 critically ill patients in a tertiary intensive care unit in Australia. INTERVENTIONS: We collected information on urine output (UO), fluid balance, serum and urinary electrolyte levels, serum biochemical levels and haemodynamics...
June 2017: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/28616210/acute-kidney-injury-an-overview-of-diagnostic-methods-and-clinical-management
#20
Daniel Hertzberg, Linda Rydén, John W Pickering, Ulrik Sartipy, Martin J Holzmann
Acute kidney injury (AKI) is a common condition in multiple clinical settings. Patients with AKI are at an increased risk of death, over both the short and long term, and of accelerated renal impairment. As the condition has become more recognized and definitions more unified, there has been a rapid increase in studies examining AKI across many different clinical settings. This review focuses on the classification, diagnostic methods and clinical management that are available, or promising, for patients with AKI...
June 2017: Clinical Kidney Journal
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