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https://www.readbyqxmd.com/read/28525548/computational-fluid-dynamics-characterization-of-pulsatile-flow-in-central-and-sano-shunts-connected-to-the-pulmonary-arteries-importance-of-graft-angulation-on-shear-stress-induced-platelet-mediated-thrombosis
#1
Robert Ascuitto, Nancy Ross-Ascuitto, Martin Guillot, Carey Celestin
OBJECTIVES: Central (aorta) and Sano (right ventricle)-to-pulmonary artery (PA) shunts, palliative operations for infants with complex heart defects, can develop life-threatening thrombosis. We employed computational fluid dynamics (CFD) to study pulsatile flow in these shunts, with the goal to identify haemodynamic characteristics conducive to thrombus formation. METHODS: CFD, using the finite volume method with cardiac catheterization data, and computer simulations, based on angiography, were employed to determine flow-velocity field, wall shear stress (WSS) profile and oscillatory shear index (OSI)...
May 19, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28524293/the-contribution-of-direct-patient-reported-adrs-to-drug-safety-signals-in-the-netherlands-from-2010-to-2015
#2
Florence van Hunsel, Susan de Waal, Linda Härmark
PURPOSE: The purpose of this study was to investigate the contribution of patient reports to signals sent by the Netherlands Pharmacovigilance Centre Lareb to the Dutch Medicines Evaluation Board and to determine if there are certain types of signals where patient report add a distinct contribution. METHOD: All signals from 2010 until 2015 were included. First, we investigated how many patient reports were present in the signals and the characteristics of these reports compared to the health care professional and marketing authorization holders' reports...
May 19, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28523055/antibiotics-and-over-the-counter-medication-use-and-its-correlates-among-arab-pregnant-women-visiting-a-tertiary-care-hospital-in-riyadh-saudi-arabia
#3
Hafsa Raheel, Sulaiman Alsakran, Abdulkhaliq Alghamdi, Majed Ajarem, Salman Alsulami, Afzal Mahmood
BACKGROUND AND OBJECTIVE: The use of over the counter medications (OTCMs) is a common practice globally. OTCMs are of special concern among pregnant women as they pose risk to the mother and fetus. The objective was to assess the use of OTCMs by pregnant woman, and factors associated with it. METHODS: A cross-sectional study, using a structured self-administrated questionnaire was conducted at the obstetric and antenatal clinics at King Khalid University hospital, Riyadh...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28521737/validation-of-the-german-version-of-the-mediterranean-diet-adherence-screener-medas-questionnaire
#4
Katrin Hebestreit, Maryam Yahiaoui-Doktor, Christoph Engel, Walter Vetter, Michael Siniatchkin, Nicole Erickson, Martin Halle, Marion Kiechle, Stephan C Bischoff
BACKGROUND: Health benefits of the Mediterranean Diet (MD) have been shown in different at-risk populations. A German translation of the Mediterranean Diet Adherence Screener (MEDAS) from the PREvención con DIeta MEDiterránea (PREDIMED) consortium was used in the LIBRE study, investigating effects of lifestyle-intervention on women with BRCA1/2 mutations. The purpose of the present study is to validate the MEDAS German version. METHODS: LIBRE is a multicentre (three university hospitals during this pilot phase), unblinded, randomized, controlled clinical trial...
May 18, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28521601/significance-of-pregnancy-test-false-negative-results-due-to-elevated-levels-of-%C3%AE-core-fragment-hcg
#5
Sarah Johnson, Saji Eapen, Peter Smith, Graham Warren, Michael Zinaman
Very high levels of β-core fragment human chorionic gonadotrophin (βcf-hCG) are reported to potentially cause false negative results in point-of-care (POC)/over-the-counter (OTC) pregnancy tests. To investigate this further, women's daily early morning urine samples, collected prior to conception and during pregnancy, were analysed for intact, free β- and βcf-hCG. The proportion of βcf-hCG was found to be related to that of hCG produced and in circulation. Therefore, best practice for accuracy testing of POC/OTC pregnancy tests would be to test devices against clinical samples containing high levels of βcf-hCG as well as standards spiked with biologically relevant ratios...
May 19, 2017: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/28516288/efficacy-and-safety-of-ibuprofen-in-infants-aged-between-3-and-6-months
#6
Victoria C Ziesenitz, Andreas Zutter, Thomas O Erb, Johannes N van den Anker
Ibuprofen is a non-steroidal anti-inflammatory drug frequently administered to children of various ages for relief of fever and pain and is approved as an over-the-counter medication in many countries worldwide. Although there are extensive data on its efficacy and safety in children and adults, there are divergent dosing recommendations for analgesia and treatment of fever in infants, especially in the age group between 3 and 6 months of age. In this article, we have assessed the safety and efficacy of ibuprofen use in infants in an attempt to find the optimal method of pain and fever management in this specific age group...
May 17, 2017: Paediatric Drugs
https://www.readbyqxmd.com/read/28515658/flow-visualisation-of-a-normal-shock-impinging-over-a-rounded-contour-bump-in-a-mach-1-3-free-stream
#7
Kin Hing Lo, Konstantinos Kontis
ABSTRACT: An experimental study has been conducted to visualise the instantaneous streamwise and spanwise flow patterns of a normal shock wave impinging over a rounded contour bump in a Mach 1.3 free-stream. A quartz-made transparent shock generator was used, so that instantaneous images could be captured during the oil-flow visualisation experiments. Fluorescent oil with three different colours was used in the surface oil-flow visualisation experiment to enhance the visualisation of flow mixing and complicated flow features that present in the flow field...
2017: Journal of Visualization
https://www.readbyqxmd.com/read/28513425/actual-use-of-and-adherence-to-ibuprofen-400%C3%A2-mg-tablet-dosing-instructions-in-a-simulated-otc-environment%C3%A2
#8
Suzanne Meeves, Rina Leyva, Clark Richardson, Brenda Wilson, David Savastano
OBJECTIVE: Evaluate adherence of US consumers to proposed label directions for a new 400 mg ibuprofen formulation. METHODS: In this single-arm, open-label, multicenter, 30-day study simulating an over-the-counter (OTC)-like environment, US analgesic consumers reviewed proposed product packaging for a new 400 mg ibuprofen formulation and made a purchase decision. Purchasers used the product as needed and recorded use over 30 days. Outcomes included the percentage of participants who exhibited correct or acceptable product use for the primary endpoint (not exceeding 1,200 mg/day > 2 times during the study) or secondary endpoint (not exceeding 400 mg/dose > 2 times during the study) and adherence to the labeled dosing interval of 6 - 8 hours...
May 17, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28513141/application-of-cu3insnse5-heteronanostructures-as-counter-electrodes-for-dye-sensitized-solar-cells
#9
Yue Lou, Wenjie Zhao, Chunguang Li, He Huang, Tianyu Bai, Cailing Chen, Chen Liang, Zhan Shi, Dong Zhang, Xiao-Bo Chen, Shouhua Feng
In this research, we reported the synthesis of quaternary Cu3InSnSe5 nanoparticles with uniform size distribution and morphology for the first time through delicate controls over the chemical reaction kinetics. On the basis of the preparation strategy of Cu3InSnSe5 nanoparticles, Pt-Cu3InSnSe5 and Au-Cu3InSnSe5 heteronanostructures were designed and yielded using a simple and efficient seed growth method. These two heteronanostructures remained monodispersed without presence of any Cu3InSnSe5 nanocrystal impurities...
May 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28513110/separation-and-purification-of-two-minor-typical-diarrhetic-shellfish-poisoning-toxins-from-harmful-marine-microalgae-via-combined-liquid-chromatography-with-mass-spectrometric-detection
#10
Junhui Chen, Yanlong Wang, Lei Pan, Huihui Shen, Dan Fu, Boqiang Fu, Chengjun Sun, Li Zheng
A novel method was developed for the purification of two typical diarrhetic shellfish poisoning toxins from toxin-producing marine microalgae using macroporous resin, high-speed counter-current chromatography-mass spectrometry, and semi-preparative high-performance liquid chromatography-mass spectrometry (HPLC-MS). Analytical HPLC-MS was used for identification and purity analysis of okadaic acid and dinophysistoxin-1 because they exhibit no visible or ultraviolet absorption. First, four kinds of macroporous resins were investigated, and HP-20 macroporous resin was selected for the pre-enrichment and cleanup of the two target toxins...
May 17, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28512775/a-porphyrin-based-fluorescence-method-for-zinc-determination-in-commercial-propolis-extracts-without-sample-pretreatment
#11
Gastón Darío Pierini, Victor Hugo A Pinto, Clarissa G C Maia, Wallace D Fragoso, Julio S Reboucas, María Eugenia Centurión, Marcelo Fabián Pistonesi, María Susana Di Nezio
The quantification of zinc in over-the-counter drugs as commercial propolis extracts by molecular fluorescence technique using meso-tetrakis(4-carboxyphenyl)porphyrin (H2 TCPP(4) ) was developed for the first time. The calibration curve is linear from 6.60 to 100 nmol L(-1) of Zn(2+) . The detection and quantification limits were 6.22 nmol L(-1) and 19.0 nmol L(-1) , respectively. The reproducibility and repeatability calculated as the percentage variation of slopes of seven calibration curves were 6.75% and 4...
May 16, 2017: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/28512368/-analysis-of-the-phenomenon-of-over-the-counter-drug-abuse-and-not-controlled-herbs-trade-by-polish-adolescents-part-i
#12
REVIEW
Daria Suchecka, Jolanta Kucharska-Mazur, Katarzyna Groszewska, Monika Mak, Jerzy Samochowiec, Agnieszka Samochowiec
The phenomenon of stupefying by the use of available over-the-counter drugs (OTC) among adolescents is an essential problem in both Poland and throughout the world. Popular analgesics, cold medicine and antihistamines contain psychedelic substances, such as dextromethorphan (DXM), pseudoephedrine/ephedrine, codeine (methylmorphine), dimenhydrinate, paracetamol (acetaminophren) and others. Cases of fatal addiction to dextromethorphan, one of the active substances contained in medicines, e.g., the common cold, have been reported...
May 16, 2017: Medycyna Pracy
https://www.readbyqxmd.com/read/28511120/stokes-flow-patterns-induced-by-a-single-cardiac-cell
#13
Yasser Aboelkassem
Stokes flow motions induced by a beating single cardiac cell (cardiomyocyte) are obtained numerically using the method of fundamental solutions (MFS). A two-dimensional meshfree-Stokeslets computational framework is used to solve the Stokes governing equations around an isolated cardiomyocyte. An approximate beating kinematical model is derived and used to approximate the cell-length shortening over a complete cardiac cycle. The induced flow patterns have been found to be characterized by the presence of counter-rotating vortices at both cell's edges...
May 4, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28510525/-850-per-bowel-movement-hard-to-justify-that-cost
#14
Thomas Morrow
Constipation can be a serious and painful problem, and we shouldn't dismiss other people's suffering. On the other hand there's a danger when new medications are compared against placebo rather than against over-the-counter products with a history of effectiveness.
March 2017: Managed Care
https://www.readbyqxmd.com/read/28503778/a-topical-zinc-ionophore-blocks-tumorigenic-progression-in-uv-exposed-skh-1-high-risk-mouse-skin
#15
Rebecca Justiniano, Jessica Perer, Anh Hua, Mohammad Fazel, Andrea Krajisnik, Christopher M Cabello, Georg T Wondrak
Nonmelanoma skin cancer (NMSC) is the most common malignancy in the United States representing a considerable public health burden. Pharmacological suppression of skin photo-carcinogenesis has shown promise in preclinical and clinical studies, but more efficacious photochemopreventive agents are needed. Here, we tested feasibility of harnessing pharmacological disruption of intracellular zinc-homeostasis for photochemoprevention in vitro and in vivo. Employing the zinc-ionophore and FDA-approved microbicidal agent zinc pyrithione (ZnPT), used worldwide in over-the-counter (OTC) topical consumer products, we first demonstrated feasibility of achieving ZnPT-based intracellular Zn(2+) -overload in cultured malignant keratinocytes (HaCaT-ras II-4; SCC-25) employing membrane-permeable fluorescent probes...
May 15, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/28503226/consumer-views-on-safety-of-over-the-counter-drugs-preferred-retailers-and-information-sources-in-sweden-after-re-regulation-of-the-pharmacy-market
#16
Tommy Westerlund, Sahra Barzi, Cecilia Bernsten
BACKGROUND: The availability of over-the-counter drugs (OTCs) has increased in Sweden since a re-regulation of the pharmacy market in 2009, through which non-pharmacy retailers became permitted to provide certain OTCs. OBJECTIVE: To examine the adult general public's views on safety, purchasing and information channels, storage and disposal of OTCs in Sweden, three years after the re-regulation of the pharmacy market. METHODS: A questionnaire study in 2012-13 in a stratified, random sample of all inhabitants in Sweden ≥ 18 years old...
January 2017: Pharmacy Practice
https://www.readbyqxmd.com/read/28503221/management-of-musculoskeletal-pain-in-retail-drug-outlets-within-a-nigerian-community-a-descriptive-study
#17
Samirah N Abdu-Aguye, Aishatu Shehu, Ubaidullah I Ahmad
OBJECTIVE: This work aimed to describe attitudes and practices of both community pharmacies and patent and proprietary medicine vendor (PPMV) outlets towards over-the-counter (OTC) analgesic use for musculoskeletal pain states within Zaria, Nigeria. METHODS: The study was carried out in 2 phases from May to August 2016. Phase one was a cross-sectional survey of 40 retail drug outlets (10 community pharmacies and 30 PPMVs). A simulated patient scenario of a young adult male complaining of acute onset back pain was used to collect data on the type and quality of analgesic recommended, duration of consultation, as well as nature of information provided during the drug dispensing process...
January 2017: Pharmacy Practice
https://www.readbyqxmd.com/read/28503217/assessment-and-use-of-drug-information-references-in-utah-pharmacies
#18
Krystal L Moorman, Elyse A Macdonald, Anthony Trovato, Casey R Tak
OBJECTIVE: To determine which drug references Utah pharmacists use most frequently. To determine which types of drug information questions are most commonly asked, and whether Utah pharmacists have access to adequate references to respond to these questions. METHODS: A 19-question survey was created using Qualtrics, LLC (Provo, Utah) software. An electronic survey link was sent to 1,431 pharmacists with a valid e-mail address listed in the Department of Professional Licensing database...
January 2017: Pharmacy Practice
https://www.readbyqxmd.com/read/28502251/st-john-s-wort-hypericum-perforatum-induced-psychosis-a-case-report
#19
Maria Ferrara, Francesco Mungai, Fabrizio Starace
BACKGROUND: St John's wort (Hypericum perforatum) has been known for centuries for its therapeutic properties and its efficacy as an antidepressant has been confirmed by a growing body of evidence. During the last two decades it has also come to prominence with a wider public, due to advertising efforts across Europe and United States of America. However, its availability without prescription, as an over-the-counter medication, raises some concern regarding its clinical management and unsupervised administration to individuals with psychopathological risks...
May 15, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28498348/nutrients-turned-into-toxins-microbiota-modulation-of-nutrient-properties-in-chronic-kidney-disease
#20
REVIEW
Raul Fernandez-Prado, Raquel Esteras, Maria Vanessa Perez-Gomez, Carolina Gracia-Iguacel, Emilio Gonzalez-Parra, Ana B Sanz, Alberto Ortiz, Maria Dolores Sanchez-Niño
In chronic kidney disease (CKD), accumulation of uremic toxins is associated with an increased risk of death. Some uremic toxins are ingested with the diet, such as phosphate and star fruit-derived caramboxin. Others result from nutrient processing by gut microbiota, yielding precursors of uremic toxins or uremic toxins themselves. These nutrients include l-carnitine, choline/phosphatidylcholine, tryptophan and tyrosine, which are also sold over-the-counter as nutritional supplements. Physicians and patients alike should be aware that, in CKD patients, the use of these supplements may lead to potentially toxic effects...
May 12, 2017: Nutrients
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