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acetylsalicyl

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https://www.readbyqxmd.com/read/28811479/membrane-free-culture-and-real-time-barrier-integrity-assessment-of-perfused-intestinal-epithelium-tubes
#1
Sebastiaan J Trietsch, Elena Naumovska, Dorota Kurek, Meily C Setyawati, Marianne K Vormann, Karlijn J Wilschut, Henriëtte L Lanz, Arnaud Nicolas, Chee Ping Ng, Jos Joore, Stefan Kustermann, Adrian Roth, Thomas Hankemeier, Annie Moisan, Paul Vulto
In vitro models that better reflect in vivo epithelial barrier (patho-)physiology are urgently required to predict adverse drug effects. Here we introduce extracellular matrix-supported intestinal tubules in perfused microfluidic devices, exhibiting tissue polarization and transporter expression. Forty leak-tight tubules are cultured in parallel on a single plate and their response to pharmacological stimuli is recorded over 125 h using automated imaging techniques. A study comprising 357 gut tubes is performed, of which 93% are leak tight before exposure...
August 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28810280/-dual-antiplatelet-therapy-in-the-perioperative-period-to%C3%A2-continue-or-discontinue-treatment
#2
Jürgen Koscielny, Christian von Heymann, Uwe Zeymer, Jochen Cremer, Michael Spannagl, Joachim Labenz, Evangelos Giannitsis, Franz Goss
Background For secondary prevention of acute coronary syndrome, guidelines recommend dual antiplatelet therapy (DAPT) with acetylsalicylic acid and a P2Y12 receptor antagonist such as clopidogrel, prasugrel or ticagrelor for a period of 12 months. Often, uncertainty exists with respect to surgical or diagnostic procedures in these high-risk patients: can the DAPT be continued without interruption? If not, what is the recommended withdrawal strategy? What should be considered for the perioperative management? Methods An interdisciplinary group of experienced experts in the fields of cardiology, cardiac surgery, gastroenterology, anaesthesiology, intensive care and haemostaseology developed recommendations relevant to daily clinical practice based on the current scientific evidence...
August 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28809046/platelet-transfusion-to-reverse-antiplatelet-therapy-before-decompressive-surgery-in-patients-with-intracranial-haemorrhage
#3
M Baschin, S Selleng, J-P Zeden, A Westphal, T Kohlmann, H W Schroeder, A Greinacher, T Thiele
BACKGROUND: Platelet concentrates (PC) are transfused to improve primary haemostasis before urgent neurosurgery in patients with intracranial haemorrhage (ICH) receiving antiplatelet therapy (APT). It is unresolved, whether PCs increase the risk for major cardio- and cerebrovascular adverse events. We evaluated a standardized transfusion regimen to reverse APT in patients with ICH who required decompressive neurosurgery. METHODS: Analysed were consecutive patients between 2012 and 2014...
August 14, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28808332/magnetic-microsphere-based-portable-solid-phase-extraction-device-for-on-site-pre-concentration-of-organics-from-large-volume-water-samples
#4
Zhijian Yao, Qingqing Zhao, Yan Ma, Wei Wang, Qing Zhou, Aimin Li
In this research a new magnetic material called M88 was fully synthetized and characterized for the extraction of pharmaceutical and personal care products in water samples. In addition, a portable prototype of magnetic solidphase extraction (MSPE) device was developed for the onsite preconcentration. The MSPE coupling with high performance liquid chromatography-Diode array detector (HPLC-DAD) method was developed and validated for simultaneous analysis of 11 PPCPs (mefenamic acid, chloroamphenicol, ketoprofen, clofibric acid, indometacin, acetylsalicylic acid, bisphenol A, phenylphenol, gemfibrozil, triclosan, and ibuprofen) in environmental water samples...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807954/acetylsalicylic-acid-for-children-with-kawasaki-disease
#5
Teeranai Sakulchit, Susanne M Benseler, Ran D Goldman
Question A 7-year-old child in my office was recently discharged from the hospital after receiving intravenous immunoglobulin for Kawasaki disease. Should I continue treatment with acetylsalicylic acid (ASA), and if so, what is the appropriate dose? Answer The role of ASA for Kawasaki disease during the acute febrile phase has recently been called into question. According to several studies, ASA might reduce the duration of fever but it does not appear to directly reduce the incidence of coronary artery complications...
August 2017: Canadian Family Physician Médecin de Famille Canadien
https://www.readbyqxmd.com/read/28807030/combined-effect-of-metformin-with-ascorbic-acid-versus-acetyl-salicylic-acid-on-diabetes-related-cardiovascular-complication-a-12-month-single-blind-multicenter-randomized-control-trial
#6
Syed Wasif Gillani, Syed Azhar Syed Sulaiman, Mohi Iqbal Mohammad Abdul, Mirza R Baig
BACKGROUND: We aimed to investigate the efficacy of ascorbic acid and acetylsalicylic acid among type II diabetes mellitus patients using metformin (only) for diabetes management therapy. METHOD: A 12-month single blinded multicenter randomized control trial was designed to investigate the measured variables [Glycated Hemoglobin (HbA1c), Renal function, Albumin Creatinine Ratio (ACR) etc.]. The trial was randomized into 2 experimental parallel arms (ascorbic acid vs acetylsalicylic acid) were blinded with study supplements in combination with metformin and findings were compared to control arm with metformin alone and blinded with placebo...
August 14, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28795995/toxic-myocarditis-caused-by-acetaminophen-in-a-multidrug-overdose
#7
Maxime Gosselin, Yann Dazé, Pascal Mireault, Marie Crahes
We report the case of an 18-year-old woman with personality disorders who was hospitalized a few hours after suicidal ingestion of acetaminophen, quetiapine, acetylsalicylic acid, and ethanol. Twelve hours after admission, severe liver damage was evident, but the patient was stable and awaiting hepatic transplantation. Electrolytes were successfully controlled. The condition of the liver stabilized. Cardiac biomarkers then deteriorated unexpectedly. Localized ST-segment elevations were noted on electrocardiogram, but angiography ruled out myocardial infarction...
August 9, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28780866/the-role-of-hydrogen-bonding-of-cyclodextrin-drug-complexes-probed-by-thermodiffusion
#8
Doreen Niether, Tsubasa Kawaguchi, Jana Hovancová, Kazuya Eguchi, Jan K G Dhont, Rio Kita, Simone Wiegand
The temperature-gradient induced migration of biomolecules, known as thermophoresis or thermodiffusion, changes upon ligand binding. In recent years, this effect has been used to determine protein-ligand binding constants. The mechanism through which thermodiffusive properties change when complexes are formed, however, is not understood. An important contribution to thermodiffusive properties originates from the thermal response of hydrogen bonds. Since there is a considerable difference between the degree of solvation of the protein-ligand complex and its isolated components, ligand-binding is accompanied by a significant change in hydration...
August 7, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28780276/uv-imaging-of-multiple-unit-pellet-system-mups-tablets-a-case-study-of-acetylsalicylic-acid-stability
#9
Anna Novikova, Jens M Carstensen, Thomas Rades, Claudia S Leopold
The applicability of multispectral ultraviolet (UV) imaging in combination with multivariate image analysis was investigated to monitor API degradation within multiple unit pellet system (MUPS) tablets during storage. For this purpose, acetylsalicylic acid (ASA) layered pellets were coated with Eudragit(®) RL PO and compressed to MUPS tablets. These tablets were stored under four different conditions with different levels of relative humidity (0 and 75%) and temperature (21 and 40 °C) and analysed at seven storage time points (0, 15, 40, 140, 165, 265, and 330 d)...
August 2, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28772664/xylan-modified-based-hydrogels-with-temperature-ph-dual-sensitivity-and-controllable-drug-delivery-behavior
#10
Wei-Qing Kong, Cun-Dian Gao, Shu-Feng Hu, Jun-Li Ren, Li-Hong Zhao, Run-Cang Sun
Among the natural macromolecules potentially used as the scaffold material in hydrogels, xylan has aroused great interest in many fields because of its biocompatibility, low toxicity, and biodegradability. In this work, new pH and thermoresponsive hydrogels were prepared by the cross-linking polymerization of maleic anhydride-modified xylan (MAHX) with N-isopropylacrylamide (NIPAm) and acrylic acid (AA) under UV irradiation to form MAHX-g-P(NIPAm-co-AA) hydrogels. The pore volume, the mechanical properties, and the release rate for drugs of hydrogels could be controlled by the degree of substitution of MAHX...
March 16, 2017: Materials
https://www.readbyqxmd.com/read/28762201/scanning-electron-microscope-observations-of-powder-sticking-on-punches-during-a-limited-number-n%C3%A2-%C3%A2-5-of-compactions-of-acetylsalicylic-acid
#11
Henrietta Tsosie, James Thomas, John Strong, Antonios Zavaliangos
PURPOSE: To obtain quantitative information and mechanistic insight into the problem of sticking of acetylsalicylic acid tablets on a metallic punch. METHODS: Low voltage scanning electron microscopy was used to observe punch area coverage and morphology of adhered powder on a flat punch used for a limited number of compactions. RESULTS: Material accumulation in terms of area coverage of the punch per compaction cycle was determined at two pressures over five compactions...
July 31, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28754397/contemporary-atrial-fibrillation-management-a-comparison-of-the-current-aha-acc-hrs-ccs-and-esc-guidelines
#12
REVIEW
Jason G Andrade, Laurent Macle, Stanley Nattel, Atul Verma, John Cairns
In this article we compare and contrast the current recommendations, and highlight the important differences, in the American College of Cardiology/American Heart Association/Heart Rhythm Society, European Society of Cardiology, and Canadian Cardiovascular Society atrial fibrillation (AF) guidelines. Although many of the recommendations of the various societies are similar, there are important differences in the methodologies underlying their development and the specific content. Specifically, key differences can be observed in: (1) the definition of nonvalvular AF, which subsequently affects anticoagulation choices and candidacy for non-vitamin K antagonist oral anticoagulants; (2) the symptom score used to guide management decisions and longitudinal patient profiling; (3) the stroke risk stratification algorithm used to determine indications for oral anticoagulant therapy; (4) the role of acetylsalicylic acid in stroke prevention in AF; (5) the antithrombotic regimens used in the context of coronary artery disease, acute coronary syndromes, and percutaneous coronary intervention; (6) the rate control target and medications recommended to achieve the target; and (7) the role of "first-line" catheter ablation, open surgical ablation, and left atrial appendage exclusion...
August 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28750272/medication-use-and-kidney-cancer-risk-a%C3%A2-population-based-study
#13
Madhur Nayan, David N Juurlink, Peter C Austin, Erin M Macdonald, Antonio Finelli, Girish S Kulkarni, Robert J Hamilton
BACKGROUND: Exposure to commonly prescribed medications may be associated with cancer risk. However, there is limited data in kidney cancer. Furthermore, methods of classifying cumulative medication exposure in previous studies may be prone to bias. METHODS: We conducted a population-based case-control study of 10,377 incident kidney cancer cases aged ≥66 years matched with 35,939 controls on age, sex, history of hypertension, comorbidity score, and geographic location...
July 24, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28747946/antiplatelet-treatment-in-the-primary-prophylaxis-of-cardiovascular-disease-in-patients-with-arterial-hypertension
#14
REVIEW
Angelika Osińska, Maciej Osiński, Aleksandra Krasińska, Beata Begier-Krasińska
The benefits of using acetylsalicylic acid (ASA) in the primary prophylaxis of cardiovascular diseases may only slightly exceed the risk of serious bleeding. This warrants the search for alternative, safer preparations with antiaggregatory properties, which could be used in patients burdened with cardiovascular risk factors. Antiaggregatory compounds identified in water-soluble tomato extract include nucleosides, flavonoids, and phenolic acids. The action of standardized tomato extract is multidirectional, reversible, and weaker in comparison to ASA...
June 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28743995/non-invasive-3d-and-360%C3%A2-optical-imaging-of-micro-particles
#15
Toufic El Arnaout, P J Cullen
Scanning electron microscopy and X-ray microtomography are useful methods for high resolution shape imaging. Visible microscopy is also common, however, developing a low-cost and customizable system for surface and shape investigation of optically active particles is challenging. In this work, we demonstrate an assembly offering good light sensitivity, flexibility of illumination and contrasts from varying angles. The design was applied, together with recent programs for focus-stacking, to analyze crystals of taurine, L-glutamic acid, acetylsalicylic acid, and copper sulfate, along with digital 3D-360° modelling of phosphorescent [Ru(bpy)3]Cl2 and strontium aluminate particles...
July 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28741219/in-vitro-analysis-of-platelet-function-in-acute-aneurysmal-subarachnoid-haemorrhage
#16
Christian von der Brelie, Alexander Subai, Verena Limperger, Veit Rohde, Astrid Dempfle, Azize Boström
Platelet function might play an essential role in the pathogenesis of delayed cerebral ischemia (DCI) after aneurysmal subarachnoid haemorrhage (SAH). Thus, impaired platelet function and disturbed primary haemostasis induced by intake of acetylsalicylic acid (ASA) might influence the rate of DCI. Primary haemostasis and platelet function can be measured with in vitro diagnosis (platelet function analyser test, PFA 100). The aim of this study is to evaluate the rate of DCI, haemorrhagic complications and the neurological outcome...
July 24, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28725937/aspirin-use-and-head-and-neck-cancer-survival-an-observational-study-of-11-623-person-years-follow-up
#17
Shin-Ae Kim, Jong-Lyel Roh, Sung-Bae Kim, Seung-Ho Choi, Soon Yuhl Nam, Sang Yoon Kim
BACKGROUND: Acetylsalicylic acid (aspirin) and non-steroidal anti-inflammatory drugs (NSAIDs) have been associated with reduced risks for certain human cancers. However, the effects of aspirin and NSAIDs on head and neck squamous cell carcinoma (HNSCC) remain controversial, and the prognostic effects of these drugs in patients with HNSCC are largely unknown. This study examined the clinical impact of aspirin and NSAIDs on disease recurrence and survival in patients with HNSCC. METHODS: This study analysed a cohort of 1392 consecutive patients who received definitive treatment for previously untreated HNSCC at our tertiary referral center...
July 19, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28725329/ticagrelor-associated-conduction-disorder-a-case-report-and-review-of-the-literature
#18
Mustafa Yurtdas, Mahmut Ozdemir
A 47-year-old female presented to emergency clinic due to non-ST-elevation myocardial infarction (NSTEMI). After receiving acetylsalicylic acid, a loading dose of ticagrelor 180 mg and intravenous unfractionated heparin, she underwent successful placement of drug eluting stent on the distal part of non-dominant left circumflex artery. The patient had no pre-existing atrioventricular (AV) block and did not use AV blocking agent. Approximately 10 h after taking a loading dose of ticagrelor, baseline normal rhythm degenerated to the first and then complete AV block, with mild dizziness...
June 2017: Cardiology Research
https://www.readbyqxmd.com/read/28717145/acetylsalicylic-acid-differentially-limits-the-activation-and-expression-of-cell-death-markers-in-human-platelets-exposed-to-staphylococcus-aureus-strains
#19
Adrien Chabert, Pauline Damien, Paul O Verhoeven, Florence Grattard, Philippe Berthelot, Fabrice Zeni, Laurence Panicot-Dubois, Stéphane Robert, Françoise Dignat-George, Marie-Ange Eyraud, Bruno Pozzetto, Bernard Payrastre, Fabrice Cognasse, Olivier Garraud, Hind Hamzeh-Cognasse
Beyond their hemostatic functions, platelets alter their inflammatory response according to the bacterial stimulus. Staphylococcus aureus is associated with exacerbated inflammation and thrombocytopenia, which is associated with poor prognosis during sepsis. Acetylsalicylic acid and statins prevent platelet aggregation and decrease the mortality rate during sepsis. Therefore, we assessed whether these two molecules could reduce in vitro platelet activation and the inflammatory response to S. aureus. Platelets were exposed to clinical strains of S...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28706114/one-year-incidence-time-trends-and-predictors-of-recurrent-ischemic-stroke-in-sweden-from-1998-to-2010-an-observational-study
#20
Lisa Bergström, Anna-Lotta Irewall, Lars Söderström, Joachim Ögren, Katarina Laurell, Thomas Mooe
BACKGROUND AND PURPOSE: Recent data on the incidence, time trends, and predictors of recurrent ischemic stroke are limited for unselected patient populations. METHODS: Data for ischemic stroke patients were obtained from The Swedish Stroke Register (Riksstroke) between 1998 and 2009 and merged with The Swedish National Inpatient Register. A reference group of patients was created by Statistics Sweden. The ischemic stroke patient cohort was divided into 4 time periods...
July 13, 2017: Stroke; a Journal of Cerebral Circulation
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