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https://www.readbyqxmd.com/read/27745964/characterization-of-cerebrovascular-events-after-left-atrial-appendage-occlusion
#1
Xavier Freixa, Laura Llull, Sameer Gafoor, Ignacio Cruz-Gonzalez, Samera Shakir, Heyder Omran, Sergio Berti, Gennaro Santoro, Joelle Kefer, Ulf Landmesser, Jens Erik Nielsen-Kudsk, Prapa Kanagaratnam, Fabian Nietlispach, Steffen Gloekler, Adel Aminian, Paolo Danna, Marco Rezzaghi, Friederike Stock, Miroslava Stolcova, Luis Paiva, Marco Costa, Xavier Millán, Reda Ibrahim, Tobias Tichelbäcker, Wolfgang Schillinger, Jai-Wun Park, Horst Sievert, Bernhard Meier, Apostolos Tzikas
Cardioembolic strokes are generally more lethal and disabling than other source of strokes. Data from PROTECT AF (Watchman Left Atrial Appendage Closure Technology for Embolic Protection in Patients With Atrial Fibrillation) suggest that strokes after left atrial appendage occlusion (LAAO) with the Watchman device are less disabling than those in the warfarin group. No data assessing the severity of strokes after LAAO with the AMPLATZER Cardiac Plug (ACP) are available. The objective of the study was to evaluate the severity of cerebrovascular events after LAAO with the ACP in a population mostly characterized by an absolute or relative contraindication to oral anticoagulation...
September 15, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27714756/cardiovascular-pharmacogenetics-a-promise-for-genomically-guided-therapy-and-personalized-medicine
#2
REVIEW
M Zaiou, H El Amri
Cardiovascular disease (CVD) is the leading cause of death worldwide. The basic causes of CVD are not fully understood yet. Substantial evidence suggests that genetic predisposition plays a vital role in the physiopathology of this complex disease. Hence, identification of genetic contributors to CVD will likely add diagnostic accuracy and better prediction of an individual's risk. With high-throughput genetics and genomics technology and newer genome-wide study approaches, a number of genetic variations across the human genome were uncovered...
October 6, 2016: Clinical Genetics
https://www.readbyqxmd.com/read/27570120/management-of-new-onset-postoperative-atrial-fibrillation-utilizing-insertable-cardiac-monitor-technology-to-observe-recurrence-of-af-monitor-af
#3
Mikhael F El-Chami, Faisal M Merchant, Paige Smith, Mathew Levy, Angela Gill Nelms, John Merlino, John Puskas, Angel R Leon
BACKGROUND: New-onset postoperative atrial fibrillation (POAF) occurs in up to 30% of patients undergoing coronary artery bypass grafting (CABG). POAF is associated with short- and long-term mortality. METHODS: To identify the true incidence and time course of recurrent atrial fibrillation (AF) in patients with POAF, we prospectively assigned 23 patients with POAF to receive an implantable loop recorder (ILR; Medtronic Inc., Minneapolis, MN, USA) for the detection of recurrent AF...
October 2016: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27569231/percutaneous-ventricular-restoration-therapy-using-the-parachute-device-in-chinese-patients-with-ischemic-heart-failure-three-month-primary-end-point-results-of-parachute-china-study
#4
Yue-Jin Yang, Yong Huo, Ya-Wei Xu, Jian-An Wang, Ya-Ling Han, Jun-Bo Ge, Rui-Yan Zhang, Xiao-Yan Yan, Run-Lin Gao
BACKGROUND: The primary cause of ischemic heart failure (HF) is myocardial infarction (MI) resulting in left ventricle (LV) wall motion abnormality secondary to ventricular remodeling. A prospective, nonrandomized study conducted in China was designed to assess safety and efficacy of the percutaneous ventricular restoration therapy using Parachute device (CardioKinetix, Inc., CA, USA) in ischemic HF patients as a result of LV remodeling after anterior wall MI. METHODS: Thirty-one patients with New York Heart Association (NYHA) Class II, III ischemic HF, ejection fraction between 15% and 40%, and dilated akinetic or dyskinetic anterior-apical wall without the need to be revascularized were enrolled from seven sites in China from October to December 2014...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27256135/contrasting-medical-and-legal-standards-of-evidence-a-precision-medicine-case-study
#5
Gary E Marchant, Kathryn Scheckel, Doug Campos-Outcalt
As the health care system transitions to a precision medicine approach that tailors clinical care to the genetic profile of the individual patient, there is a potential tension between the clinical uptake of new technologies by providers and the legal system's expectation of the standard of care in applying such technologies. We examine this tension by comparing the type of evidence that physicians and courts are likely to rely on in determining a duty to recommend pharmacogenetic testing of patients prescribed the oral anti-coagulant drug warfarin...
March 2016: Journal of Law, Medicine & Ethics: a Journal of the American Society of Law, Medicine & Ethics
https://www.readbyqxmd.com/read/27105651/how-to-invest-in-getting-cost-effective-technologies-into-practice-a-framework-for-value-of-implementation-analysis-applied-to-novel-oral-anticoagulants
#6
Rita Faria, Simon Walker, Sophie Whyte, Simon Dixon, Stephen Palmer, Mark Sculpher
Cost-effective interventions are often implemented slowly and suboptimally in clinical practice. In such situations, a range of implementation activities may be considered to increase uptake. A framework is proposed to use cost-effectiveness analysis to inform decisions on how best to invest in implementation activities. This framework addresses 2 key issues: 1) how to account for changes in utilization in the future in the absence of implementation activities; and 2) how to prioritize implementation efforts between subgroups...
April 22, 2016: Medical Decision Making: An International Journal of the Society for Medical Decision Making
https://www.readbyqxmd.com/read/27087888/left-atrial-appendage-ligation-and-exclusion-technology-in-the-incubator
#7
Faisal F Syed, Amit Noheria, Christopher V DeSimone, Samuel J Asirvatham
Stroke is the most feared complication of atrial fibrillation (AF). Targeting the left atrial appendage (LAA) mechanically is attractive as a means to simultaneously reduce stroke risk, the need for anticoagulation, and hemorrhagic complications in patients with non-valvular AF. The results of the PROTECT-AF and PREVAIL randomized clinical trials support this approach as a viable therapeutic alternative to warfarin in selected patients and add to accumulating evidence regarding the importance of the LAA in thromboembolism in AF...
August 1, 2015: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/26655108/comparison-of-enzyme-kinetics-of-warfarin-analyzed-by-lc-ms-ms-qtrap-and-differential-mobility-spectrometry
#8
COMPARATIVE STUDY
Abdul Naveed Shaik, Richard Grater, Mukesh Lulla, David A Williams, Lawrence L Gan, Tonika Bohnert, Barbara W LeDuc
Warfarin is an anticoagulant used in the treatment of thrombosis and thromboembolism. It is given as a racemic mixture of R and S enantiomers. These two enantiomers show differences in metabolism by CYPs: S-warfarin undergoes 7 hydroxylation by CYP2C9 and R-warfarin by CYP3A4 to form 10 hydroxy warfarin. In addition, warfarin is acted upon by different CYPs to form the minor metabolites 3'-hydroxy, 4'-hydroxy, 6-hydroxy, and 8-hydroxy warfarin. For analysis, separation of these metabolites is necessary since all have the same m/z ratio and similar fragmentation pattern...
January 1, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/26560704/whose-preferences-should-be-elicited-for-use-in-health-care-decision-making-a-case-study-using-anticoagulant-therapy
#9
David John Mott, Mehdi Najafzadeh
The question of whose preferences to elicit in health-state valuation has been widely discussed in the literature. The importance of this debate lies in the fact that health-state utility values are used in health technology assessment (HTA); therefore, an individual's preferences can influence decision-making. If preferences differ across groups, making decisions based on one group's preferences may be suboptimal for the other. Preferences for benefits, risks, experiences and health states associated with anticoagulant therapies have been elicited by researchers due to the underutilization of warfarin and the introduction of non-vitamin K antagonist oral anticoagulants...
2016: Expert Review of Pharmacoeconomics & Outcomes Research
https://www.readbyqxmd.com/read/26328229/a-stab-in-the-dark-point-of-care-testing-in-the-population-with-hip-fracture
#10
Claire Dawkins, Kate Atkinson, Anne Tate, W G P Eardley
Hip fracture incidence rises globally in an aging population who live in an era of financial austerity. Health service providers are under pressure both to optimize care and to increase efficiencies in the management of this vulnerable patient group. One area of inefficiency in perioperative processes is the assessment of deranged clotting profiles secondary to warfarinization and in the monitoring of hemoglobin. Delays are inherent in these processes, threatening patient care and impacting on financial incentivisation of performance...
September 2015: Geriatric Orthopaedic Surgery & Rehabilitation
https://www.readbyqxmd.com/read/26309492/effectiveness-and-safety-of-warfarin-and-anti-platelet-drugs-for-the-primary-prevention-of-stroke-in-patients-with-non-valvular-atrial-fibrillation-a-meta-analysis
#11
Xin-Xiu Shi, Guang-Hao Ren, Jie Wang, Ni Zhang, Ming-Zhu Yu, Yan-Qiu Wang, Yan-Kun Shao
OBJECTIVE: To evaluate the effectiveness and safety of warfarin and anti-platelet drugs as the primary approach to the prevention of stroke in patients with non-valvular atrial fibrillation (NVAF). METHODS: Three English databases (the Cochrane library, Embase, and Medline), and three Chinese databases (the Chinese Biomedical Literature Database, Chinese National Knowledge Infrastructure, and Chinese Periodical Full-text Database of Science and Technology) were searched to select potentially eligible studies published before May, 2014...
2015: International Journal of Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/26304520/left-atrial-appendage-closure-device-in-atrial-fibrillation
#12
REVIEW
Michael C Giudici, Prashant D Bhave
The relationship of stroke and atrial fibrillation seems to become more complex as we gain more knowledge of the issue. Recent studies have questioned the temporal relationship between the two, which also questions causation. Left atrial appendage closure is an attractive, but unproven technology when compared with the 50-year experience with warfarin. In a patient who is on warfarin and having no issues with bleeding, medication intolerance, or lack of efficacy, it is difficult to justify stopping the drug and placing a closure device as sole therapy to prevent a stroke...
September 2015: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/26290677/pharmacogenomics-human-genetic-diversity-and-the-incorporation-and-rejection-of-color-race-in-brazil
#13
Ricardo Ventura Santos, Gláucia Oliveira da Silva, Sahra Gibbon
Public funding for research on the action of drugs in countries like the United States requires that racial classification of research subjects should be considered when defining the composition of the samples as well as in data analysis, sometimes resulting in interpretations that Whites and Blacks differ in their pharmacogenetic profiles. In Brazil, pharmacogenomic results have led to very different interpretations when compared with those obtained in the United States. This is explained as deriving from the genomic heterogeneity of the Brazilian population...
March 1, 2015: BioSocieties
https://www.readbyqxmd.com/read/26267707/pgwd-integrating-personal-genome-for-warfarin-dosing
#14
Yidan Pan, Ronghai Cheng, Zhoufang Li, Yujun Zhao, Jiankui He
Warfarin is a drug normally used in the prevention of thrombosis and the formation of blood clots. The dosage of warfarin is strongly affected by genetic variants of CYP2C9 and VKORC1 genes. Current technologies for detecting the variants of these genes are mainly based on real-time PCR. In recent years, due to the rapidly dropping cost of whole genome sequencing and genotyping, more and more people get their whole genome sequenced or genotyped. However, current software for warfarin dosing prediction is based on low-throughput genetic information from either real-time PCR or melting curve methods...
March 2016: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/26048850/complex-disease-partial-revascularization-and-adverse-outcomes-in-patients-treated-with-long-term-warfarin-therapy-who-underwent-percutaneous-coronary-intervention
#15
Khaled Yazji, Sorayya Kakhi, Nick Ossei-Gerning, Anirban Choudhury, Richard Anderson, Tim Kinnaird
Patients treated with warfarin who undergo percutaneous coronary intervention (PCI) present a difficult therapeutic problem. Their baseline demographics, procedural characteristics, and 12-month outcomes are poorly defined. We conducted a retrospective analysis of all patients who underwent PCI at a major UK Cardiac Center from 2012 to 2013. Of the 2,675 patients who underwent PCI, 155 were on long-term warfarin treatment (5.8%). Patients on warfarin were older and more likely to have significant co-morbidity than those not on warfarin...
August 1, 2015: American Journal of Cardiology
https://www.readbyqxmd.com/read/26035712/interaction-between-the-natural-components-in-danhong-injection-dhi-with-serum-albumin-sa-and-the-influence-of-the-coexisting-multi-components-on-the-sab-bsa-binding-system-fluorescence-and-molecular-docking-studies
#16
Jia Hao, Yingyue Zhang, Xingrui Wang, Huo Yan, Erwei Liu, Xiumei Gao
Danhong injection (DHI) is a widely used Chinese Materia Medica standardized product for the clinical treatment of ischemic encephalopathy and coronary heart disease. The bindings of eight natural components in DHI between bovine serum albumin (BSA) were studied by fluorescence spectroscopy technology and molecular docking. According to the results, the quenching process of salvianolic acid B and hydroxysafflor yellow A was a static quenching procedure through the analysis of quenching data by the Stern-Volmer equation, the modified Stern-Volmer equation, and the modified Scatchard equation...
2015: PloS One
https://www.readbyqxmd.com/read/26003160/incidence-and-cost-of-medications-dispensed-despite-electronic-medical-record-discontinuation
#17
Patrick J Baranowski, Kristin L Peterson, Jamie L Statz-Paynter, Joseph A Zorek
OBJECTIVE: To determine the incidence and cost of medications dispensed despite discontinuation (MDDD) of the medications in the electronic medical record within an integrated health care organization. SETTING: Dean Health System, with medical clinics and pharmacies linked by an electronic medical record, and a shared health plan and pharmacy benefits management company. PRACTICE DESCRIPTION: Pharmacist-led quality improvement project using retrospective chart review...
May 2015: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/25862281/plasma-and-plasma-protein-product-transfusion-a-canadian-blood-services-centre-for-innovation-symposium
#18
Michelle P Zeller, Khalid S Al-Habsi, Mia Golder, Geraldine M Walsh, William P Sheffield
Plasma obtained via whole blood donation processing or via apheresis technology can either be transfused directly to patients or pooled and fractionated into plasma protein products that are concentrates of 1 or more purified plasma protein. The evidence base supporting clinical efficacy in most of the indications for which plasma is transfused is weak, whereas high-quality evidence supports the efficacy of plasma protein products in at least some of the clinical settings in which they are used. Transfusable plasma utilization remains composed in part of applications that fall outside of clinical practice guidelines...
July 2015: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/25829948/mining-severe-drug-drug-interaction-adverse-events-using-semantic-web-technologies-a-case-study
#19
Guoqian Jiang, Hongfang Liu, Harold R Solbrig, Christopher G Chute
BACKGROUND: Drug-drug interactions (DDIs) are a major contributing factor for unexpected adverse drug events (ADEs). However, few of knowledge resources cover the severity information of ADEs that is critical for prioritizing the medical need. The objective of the study is to develop and evaluate a Semantic Web-based approach for mining severe DDI-induced ADEs. METHODS: We utilized a normalized FDA Adverse Event Report System (AERS) dataset and performed a case study of three frequently prescribed cardiovascular drugs: Warfarin, Clopidogrel and Simvastatin...
2015: BioData Mining
https://www.readbyqxmd.com/read/25788517/impact-of-video-technology-on-efficiency-of-pharmacist-provided-anticoagulation-counseling-and-patient-comprehension
#20
RANDOMIZED CONTROLLED TRIAL
Sarah J Moore, Elizabeth A Blair, David R Steeb, Brent N Reed, J Heyward Hull, Jo Ellen Rodgers
BACKGROUND: Discharge anticoagulation counseling is important for ensuring patient comprehension and optimizing clinical outcomes. As pharmacy resources become increasingly limited, the impact of informational videos on the counseling process becomes more relevant. OBJECTIVE: To evaluate differences in pharmacist time spent counseling and patient comprehension (measured by the Oral Anticoagulation Knowledge [OAK] test) between informational videos and traditional face-to-face (oral) counseling...
June 2015: Annals of Pharmacotherapy
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