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https://www.readbyqxmd.com/read/28333819/practice-bulletin-no-177-obstetric-analgesia-and-anesthesia
#1
(no author information available yet)
Labor causes severe pain for many women. There is no other circumstance in which it is considered acceptable for an individual to experience untreated severe pain that is amenable to safe intervention while the individual is under a physician's care. Many women desire pain management during labor and delivery, and there are many medical indications for analgesia and anesthesia during labor and delivery. In the absence of a medical contraindication, maternal request is a sufficient medical indication for pain relief during labor...
April 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28333811/practice-bulletin-no-177-summary-obstetric-analgesia-and-anesthesia
#2
(no author information available yet)
Labor causes severe pain for many women. There is no other circumstance in which it is considered acceptable for an individual to experience untreated severe pain that is amenable to safe intervention while the individual is under a physician's care. Many women desire pain management during labor and delivery, and there are many medical indications for analgesia and anesthesia during labor and delivery. In the absence of a medical contraindication, maternal request is a sufficient medical indication for pain relief during labor...
April 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28331868/a-novel-practical-equation-for-treatment-of-emergent-hypernatremia-and-dehydration-phase-in-infants
#3
Saba Ghaffary, Azadeh Moghaddas, Mehrnoush Dianatkhah
Serum sodium (Na) concentration more than 145 mmol/L is defined as hypernatremia. Hypernatremia carries an acute morbidity and mortality, especially in neonates and infants. Rapid correction of hypernatremia leads to severe cerebral damages, and seizure is the most common neurological complication of hypernatremia. Selection and calculation of an appropriate fluid and its amount is one of the tremendous challenges. It is important to choose the correct amount of suitable fluid and adjust rehydration rate. In this study, we have suggested practical equation to determine the amount of fluid that should be administered to the neonates and infants with hypernatremia...
January 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/28330525/determination-of-polycyclic-aromatic-hydrocarbons-in-commercial-parenteral-formulations-and-medications-using-high-performance-liquid-chromatography-with-diode-array-detection
#4
Marcia M Barichello, Denise Bohrer, Carine Viana, Leandro M Carvalho, Paulo C Nascimento
HPLC coupled to UV diode array detection (DAD) is proposed for the determination of polycyclic aromatic hydrocarbons (PAHs) in pharmaceutical products for parenteral administration. Because rubber is a possible source of PAHs for these products, samples stored in containers with rubber parts were selected for the analysis. The basis for method optimization was EPA Method 8310, which determines 16 priority PAHs in ground water and wastewater by HPLC using both UV and fluorescence detection. Using DAD, two channels were selected for detection, with one operating at 254 nm for the detection of nine PAHs and the other at 225 nm for the detection of seven PAHs...
February 22, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28316939/application-of-established-pathophysiologic-processes-brings-greater-clarity-to-diagnosis-and-treatment-of-hyponatremia
#5
EDITORIAL
John K Maesaka, Louis J Imbriano, Nobuyuki Miyawaki
Hyponatremia, serum sodium < 135 mEq/L, is the most common electrolyte abnormality and is in a state of flux. Hyponatremic patients are symptomatic and should be treated but our inability to consistently determine the causes of hyponatremia has hampered the delivery of appropriate therapy. This is especially applicable to differentiating syndrome of inappropriate antidiuresis (SIAD) from cerebral salt wasting (CSW) or more appropriately, renal salt wasting (RSW), because of divergent therapeutic goals, to water-restrict in SIAD and administer salt and water in RSW...
March 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28288784/development-and-validation-of-a-measurement-procedure-based-on-ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry-for-simultaneous-measurement-of-%C3%AE-lactam-antibiotic-concentration-in-human-plasma
#6
Raül Rigo-Bonnin, Alba Ribera, Ariadna Arbiol-Roca, Sara Cobo-Sacristán, Ariadna Padullés, Òscar Murillo, Evelyn Shaw, Rosa Granada, Xosé L Pérez-Fernández, Fe Tubau, Pedro Alía
BACKGROUND: The administration of β-lactam antibiotics in continuous infusion could let optimize the pharmacokinetic/pharmacodynamic parameters, especially in the treatment of serious bacterial infections. In this context, and also due to variability in their plasmatic concentrations, therapeutic drug monitoring (TDM) may be useful to optimize dosing and, therefore, be useful for the clinicians. MATERIAL AND METHODS: We developed and validated a measurement procedure based on ultra-high performance liquid chromatography-tandem mass spectrometry for simultaneous measurement of amoxicillin, ampicillin, cloxacillin, piperacillin, cefepime, ceftazidime, cefuroxime, aztreonam and meropenem concentrations in plasma...
March 10, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28288570/effect-of-tolvaptan-on-renal-water-and-sodium-excretion-and-blood-pressure-during-nitric-oxide-inhibition-a-dose-response-study-in-healthy-subjects
#7
Safa Al Therwani, Jeppe Bakkestrøm Rosenbæk, Frank Holden Mose, Jesper Nørgaard Bech, Erling Bjerregaard Pedersen
BACKGROUND: Tolvaptan is a selective vasopressin receptor antagonist. Nitric Oxide (NO) promotes renal water and sodium excretion, but the effect is unknown in the nephron's principal cells. In a dose-response study, we measured the effect of tolvaptan on renal handling of water and sodium and systemic hemodynamics, during baseline and NO-inhibition with L-NMMA (L-NG-monomethyl-arginine). METHODS: In a randomized, placebo-controlled, double blind, cross over study, 15 healthy subjects received tolvaptan 15, 30 and 45 mg or placebo...
March 13, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28277644/robust-slippery-coating-with-superior-corrosion-resistance-and-anti-icing-performance-for-az31b-mg-alloy-protection
#8
J L Zhang, Changdong Gu, Jiangping Tu
Biomimetic slippery liquid-infused porous surfaces (SLIPSs) are developed as a potential alternative to superhydrophobic surfaces (SHSs) to resolve the issues of poor durability in corrosion protection and susceptibility to frosting. Herein, we fabricated a double-layered SLIPS coating on the AZ31 Mg alloy for corrosion protection and anti-icing application. The porous top layer was infused by lubricant and the compact under layer was utilized as a corrosion barrier. The water-repellent SLIPS coating exhibits a small sliding angle and durable corrosion resistance compared with the SHS coating...
March 9, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28276261/high-monosaccharide-intake-inhibits-anorexigenic-hypothalamic-insulin-response-in-male-rats
#9
Viviane Wagner Ramos, Leandro Oliveira Batista, Elisaldo Mendes Cordeiro, Gustavo Vieira Oliveira, Kelse Tibau Albuquerque
OBJECTIVE: The aim of this research is to evaluate if intake of 20% fructose solution is able to change the anorexigenic hypothalamic insulin action. METHODS: Thirty day-old male Wistar rats were randomly assigned to one of the following groups: standard chow and water for the rats (Control group, C) and standard chow and 20% fructose solution for the rats (Fructose group, F).These treatments lasted 8 weeks. Three-month-old rats from group C and F received insulin or saline intracerebroventricular injections for evaluation of 24 h food intake, phosphorylated forms of the IR (p-IR) and Akt (p-Akt) proteins and quantified hypothalamic insulin receptor (IR) and insulin receptor substrate 1 (IRS-1) proteins...
March 9, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28272296/performance-of-carbon-nanotube-polysulfone-cnt-psf-composite-membranes-during-oil-water-mixture-separation-effect-of-cnt-dispersion-method
#10
Michael Olawale Daramola, Palesa Hlanyane, Oluwafolakemi O Sadare, Olugbenga O Oluwasina, Sunny E Iyuke
Effect of the dispersion method employed during the synthesis of carbon nanotube (CNT)/polysulfone-infused composite membranes on the quality and separation performance of the membranes during oil-water mixture separation is demonstrated. Carbon nanotube/polysulfone composite membranes containing 5% CNT and pure polysulfone membrane (with 0% CNT) were synthesized using phase inversion. Three CNT dispersion methods referred to as Method 1 (M1), Method 2 (M2), and Method 3 (M3) were used to disperse the CNTs...
March 6, 2017: Membranes
https://www.readbyqxmd.com/read/28271568/effect-of-ziziphus-jujube-fruit-infusion-on-lipid-profiles-glycaemic-index-and-antioxidant-status-in-type-2-diabetic-patients-a-randomized-controlled-clinical-trial
#11
Zeinab Yazdanpanah, Akram Ghadiri-Anari, Alireza Vahidi Mehrjardi, Ali Dehghani, Hadi Zare Zardini, Azadeh Nadjarzadeh
This study was designed to assess the effects of Ziziphus jujube fruit (ZJF) infusion on lipid profiles, glycaemic control and antioxidant status in patients with type 2 diabetes mellitus (T2DM). In this randomized controlled clinical trial, 116 participants with T2DM (older than 30 years) were assigned to consume a balanced diet or diet plus ZJF infusion (10 g/100 mL boiling water) three times/day before main meals for 12 weeks. Diet was designed to be energy restricted (500 kcal/day deficit from estimated energy requirements), and macronutrient content was similar in both groups (55% carbohydrate, 15% protein and 30% fat)...
March 7, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28271329/stabilization-improves-theranostic-properties-of-lipiodol-%C3%A2-based-emulsion-during-liver-trans-arterial-chemo-embolization-in-a-vx2-rabbit-model
#12
F Deschamps, G Farouil, W Gonzalez, C Robic, A Paci, L M Mir, L Tselikas, T de Baère
PURPOSE: To demonstrate that stability is a crucial parameter for theranostic properties of Lipiodol(®)-based emulsions during liver trans-arterial chemo-embolization. MATERIALS AND METHODS: We compared the theranostic properties of two emulsions made of Lipiodol(®) and doxorubicin in two successive animal experiments (One VX2 tumour implanted in the left liver lobe of 30 rabbits). Emulsion-1 reproduced one of the most common way of preparation (ratio of oil/water: 1/1), and emulsion-2 was designed to obtain a water-in-oil emulsion with enhanced stability (ratio of oil/water: 3/1, plus an emulsifier)...
March 7, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28260886/convection-enhanced-delivery-of-panobinostat-lbh589-loaded-pluronic-nano-micelles-prolongs-survival-in-the-f98-rat-glioma-model
#13
W G Singleton, A M Collins, A S Bienemann, C L Killick-Cole, H R Haynes, D J Asby, C P Butts, M J Wyatt, N U Barua, S S Gill
BACKGROUND: The pan-histone deacetylase inhibitor panobinostat is a potential therapy for malignant glioma, but it is water insoluble and does not cross the blood-brain barrier when administered systemically. In this article, we describe the in vitro and in vivo efficacy of a novel water-soluble nano-micellar formulation of panobinostat designed for administration by convection enhanced delivery (CED). MATERIALS AND METHODS: The in vitro efficacy of panobinostat-loaded nano-micelles against rat F98, human U87-MG and M059K glioma cells and against patient-derived glioma stem cells was measured using a cell viability assay...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28260515/toxicological-evaluation-in-silico-and-in-vivo-of-secondary-metabolites-of-cissampelos-sympodialis-in-rattus-norvegicus
#14
Luciana Scotti
Cissampelos sympodialis is a plant to northeastern Brazil region used by populace for treating diseases respiratory. Several studies have shown that the ethanol extract of the leaves have immunomodulatory and anti-inflammatory activities. The infusion is an ancient popular technique widely used in traditional medicine using as extracting means just hot water. This study aims to investigate the acute toxicological potential administering a dose of 2000mg/kg in Rattus norvegicus combined with in silico study of 117 alkaloids present in Cissampelos genre...
March 1, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28258126/effects-of-meal-and-incretins-in-the-regulation-of-splanchnic-blood-flow
#15
Jukka Koffert, Henri Honka, Jarmo Teuho, Saila Kauhanen, Saija Hurme, Riitta Parkkola, Vesa Oikonen, Andrea Mari, Andreas Lindqvist, Nils Wierup, Leif Groop, Pirjo Nuutila
OBJECTIVE: Meal ingestion is followed by a redistribution of blood flow (BF) within the splanchnic region contributing to nutrient absorption, insulin secretion and glucose disposal, but factors regulating this phenomenon in humans are poorly known. The aim of the present study was to evaluate the organ-specific changes in BF during a mixed-meal and incretin infusions. DESIGN: Non-randomized intervention study of 10 healthy adults to study splanchnic BF regulation...
March 3, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28256564/capillary-flow-driven-microfluidic-device-with-wettability-gradient-and-sedimentation-effects-for-blood-plasma-separation
#16
M Sneha Maria, P E Rakesh, T S Chandra, A K Sen
We report a capillary flow-driven microfluidic device for blood-plasma separation that comprises a cylindrical well between a pair of bottom and top channels. Exposure of the well to oxygen-plasma creates wettability gradient on its inner surface with its ends hydrophilic and middle portion hydrophobic. Due to capillary action, sample blood self-infuses into bottom channel and rises up the well. Separation of plasma occurs at the hydrophobic patch due to formation of a 'self-built-in filter' and sedimentation...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28255797/acetate-buffered-crystalloid-infusate-versus-infusion-of-0-9-saline-and-hemodynamic-stability-in-patients-undergoing-renal-transplantation-prospective-randomized-controlled-trial
#17
Carmen Pfortmueller, Georg-Christian Funk, Eva Potura, Christian Reiterer, Florian Luf, Barbara Kabon, Wilfred Druml, Edith Fleischmann, Gregor Lindner
BACKGROUND: Infusion therapy is one of the most frequently prescribed medications in hospitalized patients. Currently used crystalloid solutes have a variable composition and may therefore influence acid-base status, intracellular and extracellular water content and plasma electrolyte compositions and have a major impact on organ function and outcome. The aim of our study was to investigate whether use of acetate-based balanced crystalloids leads to better hemodynamic stability compared to 0...
March 2, 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/28254483/acute-and-sub-chronic-toxicity-study-of-aqueous-extract-from-the-leaves-and-branches-of-campomanesia-velutina-cambess-o-berg
#18
Marcela Carolina de Paula Michel Araújo, Neila Márcia Silva Barcellos, Paula Melo de Abreu Vieira, Thiago Magalhães Gouveia, Martha Oliveira Guerra, Vera Maria Peters, Dênia Antunes Saúde-Guimarães
ETHNOPHARMACOLOGICAL RELEVANCE: Campomanesia velutina leaves and branches infusions are used in Brazilian folk medicine to treat diarrhea and to ameliorate intestinal cramps, respectively. AIM OF THE STUDY: Carry out the acute and sub chronic pre-clinical evaluation and thus assess the safety and toxicological potential of the specie. MATERIALS AND METHODS: In vivo toxicity was evaluated by acute and sub chronic toxicity assays conducted according to the guidelines of the Brazilian Agency of National Health Surveillance (Agência Nacional de Vigilância Sanitária - ANVISA)...
February 27, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28242329/the-effects-of-intracerebroventricular-infusion-of-irisin-on-feeding-behaviour-in-rats
#19
Suat Tekin, Yavuz Erden, Fatma Ozyalin, Yilmaz Cigremis, Cemil Colak, Suleyman Sandal
Irisin, a novel exercise-induced myokine, has attracted attention with its effects on energy metabolism. This study was conducted to determine the possible effects of irisin on nutritional behaviour. In this study, 40 male Wistar Albino rats were separated into 4 groups (n=10 for each group). Osmotic mini-pumps were connected to metal cannulas implanted to lateral ventricle; and artificial cerebrospinal fluid (vehicle), and 10 and 100nM of irisin was infused for 7days. The daily food and water consumptions and body weights of rats were followed up...
February 24, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28237801/inactivation-of-the-medial-mammillary-nucleus-attenuates-theta-rhythm-activity-in-the-hippocampus-in-urethane-anesthetized-rats
#20
Witold Żakowski, Łukasz Braszka, Piotr Zawistowski, Jolanta Orzeł-Gryglewska, Edyta Jurkowlaniec
Although the importance of the mammillary body for memory and learning processes is well known, its exact role has remained vague. The fact, that many neurons in one nucleus of the mammillary body in rats, i.e. the medial mammillary nucleus (MM), fires according with hippocampal theta rhythm, makes this structure crucial for a theta rhythm signaling in so-called extended hippocampal system. These neurons are driven by descending projections from the hippocampal formation, but it is still unknown whether the mammillary body only conveys theta rhythm or may also modulate it...
February 22, 2017: Neuroscience Letters
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