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https://www.readbyqxmd.com/read/28904800/alterations-in-hematologic-indices-during-long-duration-spaceflight
#1
Hawley Kunz, Heather Quiriarte, Richard J Simpson, Robert Ploutz-Snyder, Kathleen McMonigal, Clarence Sams, Brian Crucian
BACKGROUND: Although a state of anemia is perceived to be associated with spaceflight, to date a peripheral blood hematologic assessment of red blood cell (RBC) indices has not been performed during long-duration space missions. METHODS: This investigation collected whole blood samples from astronauts participating in up to 6-months orbital spaceflight, and returned those samples (ambient storage) to Earth for analysis. As samples were always collected near undock of a returning vehicle, the delay from collection to analysis never exceeded 48 h...
2017: BMC Hematology
https://www.readbyqxmd.com/read/28892395/influence-of-sulfur-on-acid-mediated-enamide-formation
#2
Joshua A Lutz, Visal Subasinghege Don, Revati Kumar, Carol M Taylor
The acid-mediated condensation of acetamide with butanal dimethylacetal and EtSCH2CH(OMe)2, followed by dehydration, was investigated by electronic structure calculations that supported the prediction that the Z-geometry would be favored in the product. The reaction was investigated experimentally using suitably functionalized cysteine building blocks. Some side reactions and optimization of reaction conditions are reported, en route to identifying a mild, inexpensive Lewis acid that achieves a reasonable yield of (Z)-thioenamide 21 with high stereoselectivity...
September 11, 2017: Organic Letters
https://www.readbyqxmd.com/read/28882877/clinical-pathway-produces-sustained-improvement-in-acute-gastroenteritis-care
#3
Lori Rutman, Eileen J Klein, Julie C Brown
BACKGROUND AND OBJECTIVES: Despite widespread use of the rotavirus vaccine in the last decade, dehydrating illnesses impact almost 2 billion children worldwide annually. Evidence supports oral rehydration therapy as a first-line treatment of mild to moderate dehydration. Ondansetron has proven to be a safe and effective adjunct in children with vomiting. We implemented a clinical pathway in our pediatric emergency department (ED) in January 2005 to improve care for this common condition...
September 7, 2017: Pediatrics
https://www.readbyqxmd.com/read/28868172/unique-liver-disease-of-pregnancy-requiring-anaesthesia-support-a-case-with-severe-hyperemesis-gravidarum
#4
Berrin Günaydın, Aykut Özek, Naciye Türk Özterlemez, Ayca Taş Tuna
Hyperemesis gravidarum (HG) is one of the common unique liver diseases that occurs during pregnancy. Mild cases can be spontaneously resolved in time but severe cases usually require supportive medical treatment to relieve symptoms. Moreover, differential diagnosis may be required in severe cases that manifest with persistent nausea-vomiting, dehydration and weight loss refractory to treatment. Thus, to rule out any gastrointestinal pathology, this case was referred to the outpatient anaesthesia clinic after the first unsuccessful awake endoscopy attempt without sedation...
August 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28858101/usefulness-of-end-tidal-carbon-dioxide-as-an-indicator-of-dehydration-in-pediatric-emergency-departments-a-retrospective-observational-study
#5
Hee Won Yang, Woochan Jeon, Young Gi Min, Ji Sook Lee
Physician assessment of hydration status is one of the most important factors in the management of dehydration in the pediatric emergency department (ED). Overestimating dehydration may lead to overtreatment with intravenous fluids or unnecessary hospitalization, whereas underestimation may lead to delayed therapy and aggravation of symptoms. Various methods to estimate hydration status have been proposed, including use of physical findings, body weight, and laboratory results. These methods are subjective, invasive, or inappropriate for application in the ED...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28806049/electrolytes-oral-electrolyte-solutions
#6
Lisa Harris
Oral electrolyte solutions are used widely for rehydration in diarrheal illness and to maintain hydration during vigorous exercise. In diarrheal illness, an oral rehydration solution (ORS) typically is preferred over intravenous fluids except for patients with severe dehydration. The preferred ORS is one similar to the glucose-containing reduced osmolarity World Health Organization ORS. There also are polymer-based solutions that use rice or wheat as the source of carbohydrates but these are not widely recommended...
August 2017: FP Essentials
https://www.readbyqxmd.com/read/28802807/acute-phase-response-in-babesia-canis-and-dirofilaria-immitis-co-infections-in-dogs
#7
Zorana Milanović, Anja Ilić, Jelena Francuski Andrić, Vladimir Radonjić, Anđelo Beletić, Milica Kovačević Filipović
Babesia canis and Dirofilaria immitis are emerging and geographically overlapping vector-borne pathogens in dogs. Infection with B. canis leads to acute-phase response (APR) that can be mild to severe and results in either non-complicated or complicated forms of the disease. The aim of this study was to determine whether acute B. canis infection is more severe in dogs with underlying asymptomatic D. immitis infection. Dogs of both sexes, different ages and breeds, with naturally occurring mono-infections with B...
August 2, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28793212/intrinsically-disordered-stress-protein-cor15a-resides-at-the-membrane-surface-during-dehydration
#8
Anne Bremer, Ben Kent, Thomas Hauß, Anja Thalhammer, Nageshwar R Yepuri, Tamim A Darwish, Christopher J Garvey, Gary Bryant, Dirk K Hincha
Plants from temperate climate zones are able to increase their freezing tolerance during exposure to low, above-zero temperatures in a process termed cold acclimation. During this process, several cold-regulated (COR) proteins are accumulated in the cells. One of them is COR15A, a small, intrinsically disordered protein that contributes to leaf freezing tolerance by stabilizing cellular membranes. The isolated protein folds into amphipathic α-helices in response to increased crowding conditions, such as high concentrations of glycerol...
August 8, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28771910/fecal-markers-of-inflammation-protein-loss-and-microbial-changes-in-dogs-with-the-acute-hemorrhagic-diarrhea-syndrome-ahds
#9
Romy M Heilmann, Melissa M Guard, Jörg M Steiner, Jan S Suchodolski, Stefan Unterer
BACKGROUND: Idiopathic acute hemorrhagic diarrhea syndrome (AHDS) is characterized by acute onset of bloody diarrhea, severe dehydration, and increased vascular and intestinal mucosal permeability. Markers of gastrointestinal inflammation, protein loss, and changes in the intestinal microbiota have not been studied extensively in dogs with AHDS. KEY FINDINGS: For 3 consecutive days, feces were collected from dogs with AHDS, and assayed for calprotectin and S100A12 (both markers of inflammation), α1 -proteinase inhibitor (a marker of gastrointestinal protein loss), and the presence of selected species of bacteria...
September 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28732117/identification-by-phenotypic-and-genetic-approaches-of-an-indigenous-saccharomyces-cerevisiae-wine-strain-with-high-desiccation-tolerance
#10
Marianna Zambuto, Rossana Romaniello, Nicoletta Guaragnella, Patrizia Romano, Sonia Votta, Angela Capece
During active dry yeast (ADY) production process, cells are exposed to multiple stresses, such as thermal, oxidative and hyperosmotic shock. Previously, by analysing cells in exponential growth phase, we selected an indigenous Saccharomyces cerevisiae wine strain, namely CD-6Sc, for its higher tolerance to desiccation and higher expression of specific desiccation stress-related genes in comparison to other yeast strains. In this study, we performed a desiccation treatment on stationary phase cells by comparing the efficacy of two different methods: a 'laboratory dry test' on a small scale (mild stress) and a treatment by spray-drying (severe stress), one of the most appropriate preservation method for yeasts and other micro-organisms...
July 21, 2017: Yeast
https://www.readbyqxmd.com/read/28730138/ileal-perforation-with-norovirus-gastroenteritis-in-a-3-month-old-infant
#11
Seol Woo Wi, Su Jin Lee, Eun Kyeong Kang, Sung Min Cho
Noroviruses have been recognized as the leading cause of epidemic and sporadic gastroenteritis since the advent of molecular diagnostic technique. They have been documented in 5-31% of pediatric patients hospitalized with gastroenteritis. Although norovirus gastroenteritis is typically mild and self-limited, it causes severe, but sometimes fatal, conditions in the vulnerable population such as immunocompromised patients, young children, and the elderly. Bowel perforation due to norovirus infection is rare. We report a case of small bowel perforation with norovirus gastroenteritis in the infant with Down syndrome during the hospitalization with pneumonia...
June 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28687951/approach-to-upset-stomach
#12
Rishi Bolia
An "Upset stomach" is a common problem encountered by physicians involved in the care of children. It includes, diarrhea, vomiting or abdominal pain. Though often mild and self-limiting, at times there are uncommon life-threatening conditions that require urgent care. It is important for primary physicians to recognize "alarm signs" and make a referral to the specialist at the right time. At the same time it is important to recognize what is normal and re-assure the caregivers. A detailed history and a proper systemic examination are important at presentation, looking for any "red flags"...
July 8, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28671624/effect-of-polymers-on-the-physicochemical-properties-and-biological-performance-of-fenoprofen-calcium-dihydrate-triacetyl-%C3%AE-cyclodextrin-complex
#13
Hussein O Ammar, Tarek S Makram, Shaimaa Mosallam
BACKGROUND: Fenoprofen calcium dehydrate (FCD) is counted as a non-steroidal, anti-inflammatory, anti-arthritic drug. FCD is slightly water soluble. It is indicated for mild pain relief, where the suggested dosage is 200 mg orally every 4 to 6 h. AIM: Reduce dissolution efficiency, reach an extended therapeutic effect and reduce the frequency of the drug side effects. METHOD: Combination of the co-evaporated drug:triacetyl-β-cyclodextrin complex prepared in a ratio of 1:3 and either of two polymers-hydroxylpropylmethyl cellulose (HPMC) or ethyl cellulose (EC)-in the same formulation...
July 3, 2017: Pharmaceutics
https://www.readbyqxmd.com/read/28665624/dehydrative-cp-co-iii-catalyzed-c-h-bond-allenylation
#14
Malay Sen, Pardeep Dahiya, J Richard Premkumar, Basker Sundararaju
An efficient, unprecedented reactivity of Cp*Co(III) for the synthesis of tetrasubstituted allenes under mild conditions is disclosed. Electron-rich and highly nucleophilic cobalt facilitates the dehydrative C-H bond allenylation directly from propargylic alcohols without any derivatization. The reaction proceeds via reversible cyclometalation followed by alcohol-directed regioselective alkyne insertion and β-hydroxy elimination to provide the tetrasubstituted allenes.
June 30, 2017: Organic Letters
https://www.readbyqxmd.com/read/28664545/adherence-to-a-pediatric-diabetic-ketoacidosis-protocol-in-children-presenting-to-a-tertiary-care-hospital
#15
Rebecca Ronsley, Nazrul Islam, Claire Ronsley, Daniel L Metzger, Constadina Panagiotopoulos
OBJECTIVE: To review adherence to a provincial diabetic ketoacidosis (DKA) protocol and to assess factors associated with intravenous fluid administration and the length time on an insulin infusion. METHODS: A retrospective chart review was conducted of all DKA admissions to British Columbia Children's Hospital (BCCH) during September 2008 to December 2013. Data collection included diabetes history, estimation of dehydration, insulin and fluid infusion rates, and frequency of laboratory investigations...
June 30, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28614811/effects-of-dehydration-on-brain-functioning-a-life-span-perspective
#16
Nathalie Pross
BACKGROUND: In the last 10 years, there has been an increase in the publication of literature dealing with the effects of mild dehydration on cognition in healthy adults. Fewer studies, leading to less consistent data, involved other age groups. SUMMARY: In healthy young adults refraining from drinking or participating in dehydration protocols, it was found that mild dehydration had no impact on performance, whereas the mood was widely impaired. Several studies have also been conducted in young children either as observational studies or as interventional studies...
2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28597358/working-towards-an-appropriate-use-of-ibuprofen-in-children-an-evidence-based-appraisal
#17
REVIEW
Maurizio de Martino, Alberto Chiarugi, Attilio Boner, Giovanni Montini, Gianluigi L De' Angelis
Ibuprofen is the most widely used non-steroidal anti-inflammatory drug (NSAID) for the treatment of inflammation, mild-to-moderate pain and fever in children, and is the only NSAID approved for use in children aged ≥3 months. Its efficacy and safety profile have led to its increasing use in paediatric care, even without medical prescription. However, an increase of suspected adverse reactions to ibuprofen has been noted in concomitance with the raised, often medically unsupervised, consumption of the drug...
August 2017: Drugs
https://www.readbyqxmd.com/read/28573405/diagnostic-accuracy-of-clinical-dehydration-scales-in-children
#18
Anna Falszewska, Piotr Dziechciarz, Hania Szajewska
The aim of this study was to evaluate the diagnostic accuracy of the Clinical Dehydration Scale (CDS), the World Health Organization (WHO) scale, and the Gorelick scale for dehydration assessment in children. A prospective, observational study was carried out between October 2014 and December 2016. Eligible participants were children aged 1 month to 5 years with acute diarrhea. After hospital admission, each patient's weight was recorded and the degree of dehydration based on three scales was assessed. The reference standard was the percentage weight change between the discharge and admission weights...
August 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28559930/comparison-of-clinical-and-immunological-findings-in-gnotobiotic-piglets-infected-with-escherichia-coli-o104-h4-outbreak-strain-and-ehec-o157-h7
#19
Bettina Wöchtl, Florian Gunzer, Wilhelm Gerner, Hagen Gasse, Michaela Koch, Zoltán Bagó, Martin Ganter, Herbert Weissenböck, Nora Dinhopl, Sina M Coldewey, Alexandra von Altrock, Karl-Heinz Waldmann, Armin Saalmüller, Kurt Zimmermann, Jörg Steinmann, Jan Kehrmann, Ludger Klein-Hitpass, Jochen Blom, Ralf Ehricht, Ines Engelmann, Isabel Hennig-Pauka
BACKGROUND: Shiga toxin (Stx) producing Escherichia coli (E. coli) (STEC) is the most frequent cause of diarrhoea-positive haemolytic uraemic syndrome (D + HUS) in humans. In 2011, a huge outbreak with an STEC O104:H4 strain in Germany highlighted the limited possibilities for causative treatment of this syndrome. The responsible STEC strain was found to combine Stx production with adherence mechanisms normally found in enteroaggregative E. coli (EAEC). Pathotypes of E. coli evolve and can exhibit different adhesion mechanisms...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28557682/an-infant-presenting-with-failure-to-thrive-and-hyperkalaemia-owing-to-transient-pseudohypoaldosteronism-case-report
#20
Marieke De Clerck, Johan Vande Walle, Evelyn Dhont, Joke Dehoorne, Werner Keenswijk
A 3-month-old boy presented with failure to thrive and a history of a prenatally detected unilateral hydroureteronephrosis which was confirmed after birth. His growth and developmental milestones had been normal during the first 2 months but in the third month his appetite was poor with reduced intake but no vomiting. At presentation, his temperature was normal, there was mild dehydration and there was weight loss (his weight had decreased by 270 g in the past month). Haemoglobin was 11.9 g/dL, total white cell count 20...
May 30, 2017: Paediatrics and International Child Health
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