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electrolyte disorders

P Ioannou, M Stavroulaki, V Mavrikaki, I Papakitsou, S Panagiotakis
WHAT IS KNOWN AND OBJECTIVE: Hyponatremia is the most common electrolyte disorder. Syndrome of inappropriate antidiuretic hormone secretion (SIADH) is the main cause of euvolemic hyponatremia and is often associated with medications or underlying diseases. Linezolid is a potent antibiotic against resistant Gram-positive microorganisms that has been associated with mild hyponatremia, yet with a mechanism different from SIADH. CASE SUMMARY: We present the case of a patient who developed severe hyponatremia during treatment with linezolid for an ampicillin-resistant E...
March 14, 2018: Journal of Clinical Pharmacy and Therapeutics
Satoko Noguchi, Junichi Saito, Tomoyuki Kudo, Eiji Hashiba, Kazuyoshi Hirota
Background: We have reviewed four cases of Kawasaki disease treated with plasma exchange with 5% albumin in electrolyte-balanced solution, according to the recommended guidelines for Kawasaki disease in the intensive care unit, as their responses to intravenous immunoglobulin therapy were poor. Case presentation: The four cases were aged between 5 months and 3 years and weighted between 6.4 and 15.6 kg. The plasma levels of C-reactive protein were significantly decreased after plasma exchange ( p  < 0...
2018: JA Clin Rep
Nicole Schulz, Arne Güssow, Natali Bauer, Andreas Moritz
Magnesium is the second most abundant intracellular cation after potassium. It plays a vital role in almost every metabolic process in the body and is important for bone mineralization, muscle contraction and relaxation, and neuronal signal transduction. Because of its expanding role in intensivecare medicine, there has been a significant increase in knowledge during recent years regarding the functions of magnesium in the body, problems leading to magnesium disorders, and limitations of laboratory testing...
February 2018: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
Whitney S Loo, Xi Jiang, Jacqueline A Maslyn, Hee Jeung Oh, Chenhui Zhu, Kenneth H Downing, Nitash P Balsara
It is known that the addition of salts to symmetric block copolymers leads to stabilization of ordered phases and an increase in domain spacing; both trends are consistent with an increase in the effective Flory-Huggins interaction parameter between the blocks, χ. In this work, we show that the addition of salt to a disordered asymmetric block copolymer first leads to the formation of coexisting ordered phases which give way to a reentrant disordered phase at a higher salt concentration. The coexisting phases are both body centered cubic (BCC) with different domain spacings, stabilized by partitioning of the salt...
March 7, 2018: Soft Matter
Hong Li, Heather M Byers, Alicia Diaz-Kuan, Miriam B Vos, Patricia L Hall, Silvia Tortorelli, Rani Singh, Matthew B Wallenstein, Meredith Allain, David P Dimmock, Ryan M Farrell, Shawn McCandless, Michael J Gambello
Hereditary fructose intolerance (HFI) is an autosomal recessive disorder caused by aldolase B (ADOLB) deficiency resulting in an inability to metabolize fructose. The toxic accumulation of intermediate fructose-1-phosphate causes multiple metabolic disturbances, including postprandial hypoglycemia, lactic acidosis, electrolyte disturbance, and liver/kidney dysfunction. The clinical presentation varies depending on the age of exposure and the load of fructose. Some common infant formulas contain fructose in various forms, such as sucrose, a disaccharide of fructose and glucose...
February 27, 2018: Molecular Genetics and Metabolism
Oktay Gurcan, Ahmet Gurhan Gurcay, Atilla Kazanci, Tuncer Goker, Oguzhan Eylen, Omer Faruk Turkoglu
The Fahr syndrome (FS) is a rare degenerative neurological disorder (its prevalence is <0.5%). FS is distinguished by the presence of abnormal bilateral intracranial calcifications with a predilection for the basal ganglia, also presented by movement disorders such as parkinsonism, paresis, and speech disorders. Chronic subdural hematoma (CSH), which is typically the result of mild head trauma, is a regularly encountered condition in elderly. A 63-year-old man has referred to our clinic from another hospital with a history of mild head trauma approximately a month ago...
January 2018: Asian Journal of Neurosurgery
Daniela Chlíbková, Pantelis T Nikolaidis, Thomas Rosemann, Beat Knechtle, Josef Bednář
Purpose: Hypohydration and hyperhydration are significant disorders of fluid metabolism in endurance performance; however, little relevant data exist regarding multi-stage endurance activities. The aim of the present study was to examine the effect of running seven marathons in 7 consecutive days on selected anthropometric, hematological and biochemical characteristics with an emphasis on hydration status. Methods: Participants included 6 women and 20 men (age 42.6 ± 6.2 years). Data was collected before day 1 (B1 ) and after day 1 (A1 ), 4 (A4 ), and 7 (A7 )...
2018: Frontiers in Physiology
Francesco Nicita, Giorgio Tasca, Marta Nardella, Emanuele Bellacchio, Ilaria Camponeschi, Gessica Vasco, Tommaso Schirinzi, Enrico Bertini, Ginevra Zanni
Mutations in KCNJ10, which encodes the inwardly rectifying potassium channel Kir4.1, a primary regulator of membrane excitability and potassium homeostasis, cause a complex syndrome characterized by seizures, sensorineural deafness, ataxia, intellectual disability, and electrolyte imbalance called SeSAME/EAST syndrome. We describe a 41-year-old patient with non-syndromic, slowly progressive, early-onset ataxia. Targeted next-generation sequencing identified a novel c.180 T > G (p.Ile60Met) missense homozygous mutation...
February 23, 2018: Cerebellum
Emmanuelle Magny, Hélène Le Petitcorps, Maria Pociumban, Zineb Bouksani-Kacher, Éric Pautas, Joël Belmin, Sylvie Bastuji-Garin, Carmelo Lafuente-Lafuente
BACKGROUND: Factors associated with delirium among community-dwelling older adults have been poorly studied. Our aim was to describe the prevalence of predisposing and precipitating factors for delirium among patients admitted for delirium and to assess whether these factors were appropriately recognized at the first patient assessment at hospital. METHODS: Consecutive community-dwelling individuals admitted to three geriatric acute care units with a confirmed initial diagnosis of delirium were prospectively included...
2018: PloS One
Elena T Iakimova, Ernst J Woltering
In this work, the involvement of programmed cell death (PCD) in the wound-induced postharvest browning disorder and senescence in butterhead lettuce (Lactuca sativa L.) fresh-cuts was studied. At the wounded (cut, bruised) sites, rapid browning, loss of chlorophyll and massive cell death, accompanied with accumulation of reactive oxygen species and increased electrolyte leakage occurred in a narrow strip of tissue adjacent the injury. The dead cell morphology (protoplast and nuclei shrinkage) together with the biochemical and physiological changes resembled necrotic PCD type...
February 22, 2018: Protoplasma
Caroline Blanc, Pierre-Yves Martin
Hyperkaliaemia is a serious electrolyte disorder that is favored by many comorbidities, such as chronic renal failure or some treatments such as renin-angiotensin-aldosterone system blockers. The new oral treatments by chelation of intestinal potassium have demonstrated : 1) their effectiveness in the management of serum potassium by maintaining the treatments at optimal dosages ; 2) their safety of use by the absence of serious side effect and 3) the ease of use with a daily intake.
February 21, 2018: Revue Médicale Suisse
Daria Noferini, Michael M Koza, Seikh M H Rahman, Zach Evenson, Gøran J Nilsen, Sten Eriksson, Andrew R Wildes, Maths Karlsson
Acceptor-doped barium zirconates are currently receiving considerable interest because of their high proton conductivity at intermediate temperatures, making them applicable as electrolytes in various electrochemical devices, but the mechanism of proton conduction is unclear. Here, we investigate the role of the acceptor-dopant level in the localized proton motions, i.e. proton transfers between oxygens and O-H reorientations, in hydrated samples of the proton conducting, acceptor-doped, perovskites BaZr1-x Inx O3-x/2 with x = 0...
February 21, 2018: Physical Chemistry Chemical Physics: PCCP
Zhi Yang, Runxiang Yang, Min Ji Kwak, Aiham Qdaisat, Junzhong Lin, Charles E Begley, Cielito C Reyes-Gibby, Sai-Ching Jim Yeung
BACKGROUND: Although cancer patients (CPs) are increasingly likely to visit emergency department (ED), no population-based study has compared the characteristics of CPs and non-cancer patients (NCPs) who visit the ED and examined factors associated with hospitalization via the ED. In this study, we (1) compared characteristics and diagnoses between CPs and NCPs who visited the ED in a cancer center or general hospital; (2) compared characteristics and diagnoses between CPs and NCPs who were hospitalized via the ED in a cancer center or general hospital; and (3) investigated important factors associated with such hospitalization...
2018: PloS One
Daniel Dumett Torres, Prashant K Jain
Superionic (SI) phases have utility as solid electrolytes for next generation battery technology, but these phases are typically not stable at room temperature. Our density functional theory calculations demonstrate that compressive lattice strain can stabilize SI phases of Cu2Se and Li2Se, two potential solid electrolytes. Electronic and bonding insights into this effect are obtained. In the ordered, non-SI phase, cations are localized primarily in tetrahedral (T) interstices with little access to the higher-energy octahedral (O) sites...
February 20, 2018: Journal of Physical Chemistry Letters
Sarah E Donoghue, James J Pitt, Avihu Boneh, Susan M White
BACKGROUND: Smith-Lemli-Opitz syndrome (SLOS) is an autosomal recessive disorder caused by mutations in the DHCR7 gene that result in reduced cholesterol biosynthesis. The aim of the study was to examine the biochemical and clinical features of SLOS in the context of the emerging evidence of the importance of cholesterol in morphogenesis and steroidogenesis. METHODS: We retrospectively reviewed the records of 18 patients (including four fetuses) with confirmed SLOS and documented their clinical and biochemical features...
February 19, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
Seyed Hossein Ardehali, Salman Dehghan, Ahmad Reza Baghestani, Aynaz Velayati, Zahra Vahdat Shariatpanahi
To evaluate the association of admission serum levels of 25(OH)D, parathormone and the related electrolytes with severity of illness and clinical outcomes in neurosurgical critically ill patients, serum levels of 25(OH)D, parathormone, calcium, magnesium, and phosphate, along with APACHE II score were measured for 210 patients upon admission. Mean serum 25(OH)D was 21.1 ± 7.4 ng/mL. 25(OH)D deficiency (less than 20 ng/dL) and elevated serum parathormone level were found in 47.6% and 38% of patients respectively...
February 14, 2018: Scientific Reports
Kavelin Rumalla, Vijay Letchuman, Kyle A Smith, Paul M Arnold
BACKGROUND: Hydrocephalus is a life-threatening sequela of traumatic brain injury (TBI) with poorly defined epidemiology in children. Here, we report the national incidence, risk factors, and outcomes associated with post-traumatic hydrocephalus (PTH). METHODS: The Kids Inpatient Database (2003, 2006, 2009, 2012) was queried using the International Classification of Diseases, Ninth Edition, Clinical Modification (ICD-9-CM) codes to identify all patients (age 0 to 20) with TBI (850...
December 11, 2017: Pediatric Neurology
Stephanie Hopp, Francesca Dominici, Jennifer F Bobb
Heat waves have been associated with adverse human health effects, including higher rates of all-cause and cardiovascular mortality, and these health effects may be exacerbated under continued climate change. However, specific causes of hospitalizations associated with heat waves have not been characterized on a national scale. We systematically estimated the risks of cause-specific hospitalizations during heat waves in a national cohort of 23.7 million Medicare enrollees residing in 1943 U.S. counties during 1999-2010...
February 8, 2018: Preventive Medicine
Efstathios T Pavlidis, Theodoros E Pavlidis
BACKGROUND: Obstructive jaundice is a common problem in daily clinical practice. Understanding completely the pathophysiological changes in obstructive jaundice remains a challenge for planning current and future management. DATA SOURCES: A PubMed was searched for relevant articles published up to August 2016. The effect of obstructive jaundice on proinflammatory cytokines, coagulation status, hemodynamics and organ functions were evaluated. RESULTS: The effects of obstructive jaundice included biliary tree, the hepatic cell and liver function as well as systemic complications...
February 2018: Hepatobiliary & Pancreatic Diseases International: HBPD INT
Lisa A Spacek, Arthur Strzepka, Saurabh Saha, Jonathan Kotula, Jeffrey Gelb, Sarah Guilmain, Terence Risby, Steven F Solga
Ammonia physiology is important to numerous disease states including urea cycle disorders and hepatic encephalopathy. However, many unknowns persist regarding the ammonia response to common and potentially significant physiologic influences, such as food. Our aim was to evaluate the dynamic range of ammonia in response to an oral protein challenge in healthy participants. We measured blood and breath ammonia at baseline and every hour for 5.5 hours. Healthy men (N = 22, aged 18 to 24 years) consumed a 60 g protein shake (high dose); a subset of 10 consumed a 30 g protein shake (moderate dose) and 12 consumed an electrolyte drink containing 0 g protein (control)...
February 7, 2018: Scientific Reports
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