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Non-vitamin K oral anticoagulant treatment in elderly patients with atrial fibrillation and coronary heart disease
Atrial fibrillation (AF) is the most frequent sustained arrhythmia. Overall prevalence is estimated to 5.5% and the incidence increases with age. As the population ages, the prevalence and costs of AF are expected to increase. AF is the most important cause of stroke in patients>75years. Until recently, Vitamin K antagonists (VKAs) were the only available oral anticoagulants (OACs) evaluated for long-term treatment of patients with AF with or without coronary heart disease (CHD). This situation was challenged by introduction of non-VKA oral anticoagulants (NOACs).
Source: International Journal of Cardiology - August 3, 2016 Category: Cardiology Authors: Xavier Humbert, Vincent Roule, Mathieu Chequel, Sophie Fedrizzi, Marie Brionne, V éronique Lelong-Boulouard, Paul Milliez, Joachim Alexandre Tags: Review Source Type: research

Factors driving the use of warfarin and non-vitamin K antagonist oral anticoagulants in patients with atrial fibrillation
Conclusion Stroke history was associated with anticoagulant use, whereas comorbidities associated with increased risk of bleeding showed the opposite result. Patients with hepatic disease were less likely to use NOACs.
Source: Journal of the Formosan Medical Association - July 15, 2016 Category: Journals (General) Source Type: research

Updated European Heart Rhythm Association practical guide on the use of non-vitamin-K antagonist anticoagulants in patients with non-valvular atrial fibrillation: Executive summary
AbstractIn 2013, the European Heart Rhythm Association (EHRA) published a Practical Guide on the use of non-VKA oral anticoagulants (NOACs) in patients with atrial fibrillation (AF) (Heidbuchel H, Verhamme P, Alings M, Antz M, Hacke W, Oldgren J, Sinnaeve P, Camm AJ, Kirchhof P, European Heart Rhythm A. European Heart Rhythm Association Practical Guide on the use of new oral anticoagulants in patients with non-valvular atrial fibrillation.Europace 2013;15:625 –651; Heidbuchel H, Verhamme P, Alings M, Antz M, Hacke W, Oldgren J, Sinnaeve P, Camm AJ, Kirchhof P. EHRA practical guide on the use of new oral anticoagulants in...
Source: European Heart Journal - June 9, 2016 Category: Cardiology Source Type: research

Non-vitamin K antagonist oral anticoagulants (NOACs) for the management of venous thromboembolism
Learning objectives Understand the importance of venous thrombosis in cardiovascular medicine. Appreciate the mode of action of different oral anticoagulants. Recall the uses, risks and benefits of each non-vitamin K antagonist oral anticoagulants. Introduction Thrombosis is the common pathophysiology responsible for ischaemic heart disease, ischaemic stroke and venous thromboembolism (VTE), and a major contributor to the global disease burden.1 This effect is markedly more pronounced by considering the view that cancer is also a thrombotic disease.2 3 Cardiovascular disease (CVD, manifesting as acute coronary syndromes, m...
Source: Heart - June 5, 2016 Category: Cardiology Authors: Blann, A. D., Lip, G. Y. H. Tags: Education in Heart, Drugs: cardiovascular system, Acute coronary syndromes, Venous thromboembolism, Epidemiology Source Type: research

Comparative effectiveness and safety of non-vitamin K Antagonist oral anticoagulants versus warfarin in patients with atrial fibrillation and valvular heart disease
Non-vitamin K antagonist oral anticoagulants (NOACs) are approved for prevention of stroke in patients with nonvalvular atrial fibrillation (NVAF). These agents are as effective as warfarin and are associated with less intracranial bleeding and may be preferable for many patients with NVAF [1]. However, the term non-valvular AF remains a source of confusion because clinical trials and guidelines have adopted variable definitions.
Source: International Journal of Cardiology - February 2, 2016 Category: Cardiology Authors: Peter A. Noseworthy, Xiaoxi Yao, Nilay D. Shah, Bernard J. Gersh Source Type: research

Non-vitamin-K oral anticoagulants reduce mortality, stroke and intracranial haemorrhage when compared with warfarin in randomised trials of patients with non-valvular atrial fibrillation
Commentary on: Ruff CT, Giugliano RP, Braunwald E, et al.. Comparison of the efficacy and safety of new oral anticoagulants with warfarin in patients with atrial fibrillation: a meta-analysis of randomised trials. Lancet 2014;383:955–62. Context Historically, the standard medication for stroke prevention in atrial fibrillation (AF) has been a vitamin-K antagonist (warfarin). However, several non-vitamin-K oral anticoagulants (NOACs) have been developed and shown to be at least as effective as dose-adjusted warfarin in their respective phase-3 clinical trials.1–4 These include the direct thrombin inhibitor dabig...
Source: Evidence-Based Medicine - September 15, 2014 Category: Internal Medicine Authors: Steinberg, B. A. Tags: Epidemiologic studies, Drugs: cardiovascular system, Stroke, Ischaemic heart disease, Connective tissue disease, Musculoskeletal syndromes, Diabetes, Arrhythmias Therapeutics Source Type: research

Vitamin K antagonists in heart disease: Current status and perspectives (Section III). Position Paper of the ESC Working Group on Thrombosis - Task Force on Anticoagulants in Heart Disease.
Abstract Oral anticoagulants are a mainstay of cardiovascular therapy, and for over 60 years vitamin K antagonists (VKAs) were the only available agents for long-term use. VKAs interfere with the cyclic inter-conversion of vitamin K and its 2,3 epoxide, thus inhibiting γ-carboxylation of glutamate residues at the amino-termini of vitamin K-dependent proteins, including the coagulation factors (F) II (prothrombin), VII, IX and X, as well as of the anticoagulant proteins C, S and Z. The overall effect of such interference is a dose-dependent anticoagulant effect, which has been therapeutically exploited in heart di...
Source: Thrombosis and Haemostasis - November 14, 2013 Category: Hematology Authors: De Caterina R, Husted S, Wallentin L, Andreotti F, Arnesen H, Bachmann F, Baigent C, Huber K, Jespersen J, Kristensen SD, Lip GY, Morais J, Rasmussen LH, Siegbahn A, Verheugt FW, Weitz JI Tags: Thromb Haemost Source Type: research

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