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Sodium

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By Isabel Acosta-Ochoa Nephrology senior staff. Valladolid. Spain
https://read.qxmd.com/read/30855321/pharmacotherapy-of-sodium-disorders-in-neurocritical-care
#1
Ségolène Mrozek, David Rousset, Thomas Geeraerts
PURPOSE OF REVIEW: To describe the pathophysiology and pharmacotherapy of dysnatremia in neurocritical care patients. RECENT FINDINGS: Sodium disorders may affect approximately half of the neurocritical care patients and are associated with worse neurological outcome and increased risk of death. Pharmacotherapy of sodium disorders in neurocritical care patients may be challenging and is guided by a careful investigation of water and sodium balance. SUMMARY: In case of hyponatremia, because of excessive loss of sodium, fluid challenge with isotonic solution, associated with salt intake is the first-line therapy, completed with mineralocorticoids if needed...
April 2019: Current Opinion in Critical Care
https://read.qxmd.com/read/30728169/hypernatremia
#2
Qi Qian
No abstract text is available yet for this article.
March 7, 2019: Clinical Journal of the American Society of Nephrology: CJASN
https://read.qxmd.com/read/30554800/allostasis-and-the-clinical-manifestations-of-mild-to-moderate-chronic-hyponatremia-no-good-adaptation-goes-unpunished
#3
REVIEW
Ignacio Portales-Castillo, Richard H Sterns
When homeostatic regulatory systems are unable to maintain a normal serum sodium concentration, the organism must adapt to demands of a disordered internal environment, a process known as "allostasis." Human cells respond to osmotic stress created by an abnormal serum sodium level with the same adaptations used by invertebrate organisms that do not regulate body fluid osmolality. To avoid intolerable changes in their volume, cells export organic osmolytes when exposed to a low serum sodium concentration and accumulate these intracellular solutes when serum sodium concentration increases...
March 2019: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://read.qxmd.com/read/30545897/much-ado-about-n%C3%A2-atrium-modelling-tissue-sodium-as-a-highly-sensitive-marker-of-subclinical-and-localized-oedema
#4
REVIEW
Giacomo Rossitto, Rhian M Touyz, Mark C Petrie, Christian Delles
Hypertonic Na+ accumulation in peripheral tissues is a recently described phenomenon: it has been associated with ageing, hypertension, diabetes, chronic kidney disease and heart failure, but its clinical meaning has yet to be determined. This concept conflicts with the classic physiological paradigm of constant balance between salt intake and excretion, and its water-independent nature is still a matter of debate.We developed a theoretical model explaining changes in the chemical composition of tissues as a function of extracellular volume fraction and excess extracellular fluid, i...
December 21, 2018: Clinical Science (1979-)
https://read.qxmd.com/read/30462399/-approach-to-the-syndrome-of-inappropriate-antidiuretic-hormone-secretion-siadh
#5
Jehan Martin, Michel Burnier, Henri Lu
The syndrome of inappropriate antidiuretic hormone secretion (SIADH) is defined by euvolemic hyponatremia due to an inappropriate retention of free water under the effect of antidiuretic hormone. It is underdiagnosed despite well-defined criteria. Diagnosis involves a precise evaluation of volemia and the elimination of differential diagnoses. The etiologies are classified into four main groups : tumors, drugs, diseases of the central nervous system and lung diseases. In the case of a newly diagnosed SIADH, investigations depend on the clinical context and should at least include a chest radiograph or a chest CT-scan...
November 21, 2018: Revue Médicale Suisse
https://read.qxmd.com/read/30457224/a-need-for-a-paradigm-shift-in-focus-from-kt-v-urea-to-appropriate-removal-of-sodium-the-ignored-uremic-toxin
#6
REVIEW
Zbylut J Twardowski, Madhukar Misra
Hemodialysis for chronic renal failure was introduced and developed in Seattle, WA, in the 1960s. Using Kiil dialyzers, weekly dialysis time and frequency were established to be about 30 hours on 3 time weekly dialysis. This dialysis time and frequency was associated with 10% yearly mortality in the United States in 1970s. Later in 1970s, newer and more efficient dialyzers were developed and it was felt that dialysis time could be shortened. An additional incentive to shorten dialysis was felt to be lower cost and higher convenience...
November 20, 2018: Hemodialysis International
https://read.qxmd.com/read/30250270/the-association-between-serum-sodium-concentration-hypertension-and-primary-cardiovascular-events-a-retrospective-cohort-study
#7
Nicholas I Cole, Rebecca J Suckling, Pauline A Swift, Feng J He, Graham A MacGregor, William Hinton, Jeremy van Vlymen, Nicholas Hayward, Simon Jones, Simon de Lusignan
The mechanisms underlying the adverse cardiovascular effects of increased salt intake are incompletely understood, but parallel increases in serum sodium concentration may be of importance. The aim of this retrospective cohort study was to investigate the relationship between serum sodium, hypertension and incident cardiovascular disease (CVD). Routinely collected primary care data from the Royal College of General Practitioners Research and Surveillance Centre were analysed. A total of 231,545 individuals with a measurement of serum sodium concentration at baseline were included...
September 24, 2018: Journal of Human Hypertension
https://read.qxmd.com/read/30233011/bnp-is-it-an-ideal-marker-to-assess-volume-status-in-patients-with-hyponatremia-and-natriuresis
#8
Afzal Azim, Sunil Jena
No abstract text is available yet for this article.
September 2018: Neurology India
https://read.qxmd.com/read/30205538/correction-of-hyponatremia-may-be-a-treatment-stratification-biomarker-a-two-stage-systematic-review-and-meta-analysis
#9
Francisco Herrera-Gómez, Diana Monge-Donaire, Carlos Ochoa-Sangrador, Juan Bustamante-Munguira, Eric Alamartine, F Javier Álvarez
Changes in serum sodium concentration ([Na⁺]serum ) can permit evaluation of the treatment effect of vasopressin antagonists (vaptans) in patients with worsening heart failure (HF) or cirrhotic ascites; that is, they may act as a treatment stratification biomarker. A two-stage systematic review and meta-analysis were carried out and contextualized by experts in fluid resuscitation and translational pharmacology (registration ID in the International Prospective Register of Systematic Reviews (PROSPERO): CRD42017051440)...
September 7, 2018: Journal of Clinical Medicine
https://read.qxmd.com/read/30181129/urea-for-the-treatment-of-hyponatremia
#10
Helbert Rondon-Berrios, Srijan Tandukar, Maria K Mor, Evan C Ray, Filitsa H Bender, Thomas R Kleyman, Steven D Weisbord
BACKGROUND AND OBJECTIVES: Current therapies for hyponatremia have variable effectiveness and tolerability, and in certain instances, they are very expensive. We examined the effectiveness, safety, and tolerability of urea for the treatment of inpatient hyponatremia. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We identified all patients hospitalized at the University of Pittsburgh Medical Center between July 2016 and August 2017 with hyponatremia (plasma sodium <135 mEq/L) who received urea, including a subgroup of patients who received urea as the sole drug therapy for hyponatremia (urea-only treated)...
November 7, 2018: Clinical Journal of the American Society of Nephrology: CJASN
https://read.qxmd.com/read/29619878/measurement-of-daily-sodium-excretion-in-patients-with-chronic-kidney-disease-special-reference-to-the-difference-between-the-amount-measured-from-24-h-collected-urine-sample-and-the-estimated-amount-from-a-spot-urine
#11
COMPARATIVE STUDY
Hoichi Amano, Seiji Kobayashi, Hiroyuki Terawaki, Makoto Ogura, Yoshindo Kawaguchi, Takashi Yokoo
It is important to grasp a patient's daily sodium intake in the management of chronic kidney disease, as sodium intake is widely recommended at 6 g/day or less. There are multiple equations widely known for estimating the daily sodium excretion from a spot urine sample, but these are aimed at healthy people. There are few reports that validate equations in patients with chronic kidney disease. The purpose of this study is to evaluate whether the amount of measured daily sodium excretion from a sample collected for 24-h urine (24HU) is equal to that of using an equation from a spot urine sample (SU) in patients with chronic kidney disease...
November 2018: Renal Failure
https://read.qxmd.com/read/29606267/-which-biological-parameters-for-volemic-status-estimation
#12
Marion Vallet, Acil Jaafar, Pierre-Yves Charles, Ivan Tack
INTRODUCTION: Estimation of volemic status can be useful in the diagnosis of some hydro-electrolytic disorders such as hyponatremia and dyskalemia. As a matter of fact, clinical examination and classical biological parameters are not discriminant enough. The aim of this study was to determine the biological parameters that are better correlated to volemic status. METHOD: Volemic status was established using extracellular fluid volume, measured by apparent distribution of inuline, in non-edematous patients and without cardiac or hepatic insufficiency...
April 2018: Néphrologie & Thérapeutique
https://read.qxmd.com/read/28899602/an-increasingly-complex-relationship-between-salt-and-water
#13
EDITORIAL
Evan C Ray, Thomas R Kleyman
No abstract text is available yet for this article.
November 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://read.qxmd.com/read/26854262/the-importance-of-the-gastrorenal-axis-in-the-control-of-body-sodium-homeostasis
#14
REVIEW
Pedro A Jose, Zhiwei Yang, Chunyu Zeng, Robin A Felder
What is the topic of this review? Sensing the amount of ingested sodium is one mechanism by which sodium balance is regulated. This review describes the role of gastrin in the cross-talk between the stomach and the kidney following the ingestion of sodium. What advances does it highlight? Neural mechanisms and several gut hormones, including cholecystokinin and uroguanylin, have been suggested to mediate the natriuresis after an oral sodium load. It is proposed that gastrin produced by G-cells via its receptor, cholecystokinin B receptor, interacts with renal D1 -like dopamine receptors to increase renal sodium excretion...
April 2016: Experimental Physiology
https://read.qxmd.com/read/25551526/disorders-of-plasma-sodium-causes-consequences-and-correction
#15
REVIEW
Richard H Sterns
New England Journal of Medicine, Volume 372, Issue 1, Page 55-65, January 2015.
January 1, 2015: New England Journal of Medicine
https://read.qxmd.com/read/25470013/a-different-view-on-sodium-balance
#16
REVIEW
Jens Titze
PURPOSE OF REVIEW: Textbook theory holds that extracellular fluids readily equilibrate, electrolyte concentrations in the extracellular fluid compartments are constant, and the kidney is solely responsible for controlling the body sodium content. RECENT FINDINGS: Investigation of salt and water balance traditionally relies on short-term studies of bodily responses to extremes in salt intake. Ultra-long-term sodium balance studies instead studied the kidney's response to constant salt intake...
January 2015: Current Opinion in Nephrology and Hypertension
https://read.qxmd.com/read/30111674/early-relowering-of-serum-sodium-concentration-overcomes-disturbances-in-consciousness-during-hyponatremia-overcorrection-and-prevents-osmotic-demyelination-syndrome
#17
Hiroshi Ochiai, Eita Uenishi
A 79-year-old woman without any cerebral hernia symptoms was hospitalized with hyponatremia. After syndrome of inappropriate antidiuretic hormone induced by drugs was diagnosed and water restriction implemented, the patient became comatose during overcorrection caused by the generation of a large volume of electrolyte-free urine. Once the serum sodium concentration was immediately relowered by the administration of desmopressin and 5% glucose solution, the patient's level of consciousness improved dramatically without osmotic demyelination syndrome (ODS) developing...
2018: Internal Medicine
https://read.qxmd.com/read/30071178/pharmacological-management-of-hyponatremia
#18
REVIEW
Theodosios Filippatos, Moses Elisaf, George Liamis
Hyponatremia is the most common electrolyte disorder with a prevalence of up to 30% in hospitalized patients. Furthermore, it is associated with increased morbidity and mortality. Areas covered: This review discusses the efficacy and side effects of the currently available treatment options for hyponatremia and the differences in the pharmacological approach between the European and USA guidelines. Additionally, the authors provide their expert perspectives on current treatment strategies and what they expect from this field in the future...
August 2018: Expert Opinion on Pharmacotherapy
https://read.qxmd.com/read/30067922/a-copeptin-based-approach-in-the-diagnosis-of-diabetes-insipidus
#19
Wiebke Fenske, Julie Refardt, Irina Chifu, Ingeborg Schnyder, Bettina Winzeler, Juliana Drummond, Antônio Ribeiro-Oliveira, Tilman Drescher, Stefan Bilz, Deborah R Vogt, Uwe Malzahn, Matthias Kroiss, Emanuel Christ, Christoph Henzen, Stefan Fischli, Anke Tönjes, Beat Mueller, Jochen Schopohl, Jörg Flitsch, Georg Brabant, Martin Fassnacht, Mirjam Christ-Crain
BACKGROUND: The indirect water-deprivation test is the current reference standard for the diagnosis of diabetes insipidus. However, it is technically cumbersome to administer, and the results are often inaccurate. The current study compared the indirect water-deprivation test with direct detection of plasma copeptin, a precursor-derived surrogate of arginine vasopressin. METHODS: From 2013 to 2017, we recruited 156 patients with hypotonic polyuria at 11 medical centers to undergo both water-deprivation and hypertonic saline infusion tests...
August 2, 2018: New England Journal of Medicine
https://read.qxmd.com/read/30054781/continuous-versus-intermittent-administration-of-furosemide-in-acute-decompensated-heart-failure-a-systematic-review-and-meta-analysis
#20
REVIEW
Akira Kuriyama, Seigo Urushidani
Diuretic therapy is important in critically ill patients because fluid overload impairs organ function and increases mortality. Compared to intermittent administration, continuous infusion of loop diuretics is theoretically superior in terms of diuresis and electrolyte balance. However, the available evidence is susceptible to carryover diuretic effects and resistance in earlier crossover trials. Consequently, we conducted a systematic review and meta-analysis of parallel-group randomized controlled trials to compare these two strategies in adults with acute decompensated heart failure...
January 2019: Heart Failure Reviews
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