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noac reversal

Flavio Egger, Federica Targa, Ivan Unterholzner, Russell P Grant, Markus Herrmann, Christian J Wiedermann
Non-vitamin K oral anticoagulant (NOAC) therapy may be inappropriate if prescription was incorrect, the patient's physiological parameters change, or interacting concomitant medications are erroneously added. The aim of this report was to illustrate inappropriate NOAC prescription in a 78-year-old woman with non-valvular atrial fibrillation and borderline renal dysfunction who was switched from warfarin to rivaroxaban and subsequently developed bruising with hemorrhagic shock and acute on chronic renal failure...
August 8, 2016: Clinics and Practice
Catherine Tang, Anita Ghevondian, Chris Ward
No abstract text is available yet for this article.
February 2016: Pathology
Luke Miller, Jason A Ferreira, Calvin Tucker
BACKGROUND: The development of novel oral anticoagulants (NOACs) has revolutionized oral anticoagulation. Rapid incorporation of NOACs into general practice has heightened the demand for directed reversal agents. Idarucizumab is a targeted reversal agent that is approved for the urgent reversal of the anticoagulant effects of dabigatran. While it is a welcome addition to reversal strategies of dabigatran, a number of clinical questions exist regarding its place in therapy. OBJECTIVE: We describe controversies regarding the use of idarucizumab therapy in patients with dabigatran-associated bleeding...
October 8, 2016: Journal of Emergency Medicine
Fatima Urooj, Abhishek Kulkarni, Dwight Stapleton, Edo Kaluski
The choice of an oral anticoagulant (OAC) for patients with nonvalvular atrial fibrillation (NVAF) is a major and complex clinical decision taking into account the individual risk-benefit ratio and bearing in mind the chronicity of therapy. This review focuses on the safety and efficacy of new oral anticoagulants (NOACs) compared with conventional vitamin K antagonists (VKA) in patients with NVAF. Current data suggest that NOACs are at least as effective and safe as VKAs for most NVAF subjects. The NOACs do not mandate dietary restrictions and regular pharmacodynamic monitoring, and they seem to have lesser incidence of intracranial or fatal bleeding when compared with VKAs...
October 7, 2016: Clinical Cardiology
Frederik Uttenthal Larsen, Anne-Mette Hvas, Erik Lerkevang Grove
Non-vitamin K oral anticoagulants (NOACs) are alternatives to vitamin K antagonists and provide consistent anticoagulation with equal or better clinical outcome and no need for routine monitoring. Bleeding is a feared complication of anticoagulants. Until recently, no specific agent has been available for reversal of NOACs. Idarucizumab binds dabigatran for rapid reversal of its activity without procoagulant effects. Andexanet alpha (expected release in 2016) and PER977 are antidotes under clinical development...
October 3, 2016: Ugeskrift for Laeger
Supreet Kaur, Abhishek Kumar, Robert G Lerner, Wilbert S Aronow
The newer non-vitamin K dependent anticoagulants (NOACs) have provided a new tool in the armamentarium of physicians treating nonvalvular atrial fibrillation and thromboembolism. Slowly, but steadily, there has been an increased preference of NOACs over vitamin K antagonists. However, the major limiting factor and the concern that precluded their use was lack of reversal in emergent situations. With the advent of reversal agents such as idarucizumab, andexanet alfa and PER977, this gap is also being filled...
October 1, 2016: Archives of Medical Science: AMS
Karen S Brown, Hamim Zahir, Michael A Grosso, Hans J Lanz, Michele F Mercuri, Jerrold H Levy
BACKGROUND: Four nonvitamin K antagonist oral anticoagulants (NOACs) are approved for the prevention of stroke in patients with nonvalvular atrial fibrillation and for the treatment of venous thromboembolism. These include the direct thrombin inhibitor dabigatran and the direct factor Xa inhibitors rivaroxaban, apixaban, and edoxaban. Bleeding is a complication for all anticoagulants and concerns regarding bleeding risk and the suitability of effective reversal strategies may be a barrier to their prescription...
September 23, 2016: Critical Care: the Official Journal of the Critical Care Forum
Anna Plitt, Christian T Ruff, Robert P Giugliano
For more than 50 years, vitamin K antagonists (VKAs) have been the standard of care for treatment of atrial fibrillation (AF). However, the numerous limitations of VKAs have led to the development of non-VKA oral anticoagulants (NOACs). There are 4 NOACs currently approved for prevention of thromboembolism in patients with nonvalvular AF. This article provides an overview of AF, summarizes basic properties of NOACs, and reviews the landmark trials. Current data on use of NOACs in special populations and specific clinical scenarios are also presented...
October 2016: Hematology/oncology Clinics of North America
N G Khorev, A P Momot, V O Kon'kova
During the last 10 years, several novel direct oral anticoagulants (NOACs) have entered the clinical arena and were registered in the Russian Federation for use in patients presenting with atrial fibrillation, venous thrombosis, and pulmonary artery thromboembolism. NOACs are classified into two groups: direct thrombin inhibitor (notably dabigatran) and factor Xa inhibitors (including rivaroxaban, apixaban, and edoxaban). Their disadvantage is lack of specific antidotes in case of an emergency situation (injury, infarction, stroke requiring thrombolysis, urgent operation)...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
Rahul Trikha, Peter R Kowey
OBJECTIVES: Dabigatran, rivaroxaban, apixaban, and edoxaban are nonvitamin K antagonist oral anticoagulants (NOACs) approved for stroke prevention in patients with nonvalvular atrial fibrillation (NVAF). Phase-3 clinical trials demonstrated NOACs were as effective as warfarin in the prevention of stroke or systemic embolism and associated with decreased incidences of intracranial bleeding. Additionally, NOACs provide quicker onset of action, simpler dosing, more predictable pharmacokinetic profiles, and decreased food and drug interactions compared with warfarin...
September 6, 2016: Cardiology
Antonio Bellasi, Luca Di Lullo, Gianvincenzo Melfa, Claudio Minoretti, Carlo Ratti, Carlo Campana, Maurizio Volpi, Stefano Mangano, Biagio Di Iorio, Mario Cozzolino
The new or direct oral anticoagulants [new oral anticoagulants (NOAC) or direct oral anticoagulants (DOAC)] were launched in the Italian market in 2013. Although these compounds share common pharmacological indications with vitamin K antagonists (warfarin or acenocumarol), they have different mechanisms of action, do not require a constant anticoagulant monitoring but are more efficacious and safer than vitamin K antagonists. The use of these molecules (Dabigatran, Apixaban, Rivaroxaban, Betrixaban, Edoxaban) is constantly rising in daily practice...
July 2016: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
Jamshed Dalal, Abhay Bhave, Gaurav Chaudhry, Prashant Rana
OBJECTIVE: The objective of this review is to provide an overview on the current development of the specific reversal agents for Non-vitamin K Oral Anticoagulants (NOACs). METHODS: We conducted a systematic literature search strategy to identify potential studies on Medline, Embase, and the Cochrane register. CONCLUSIONS: These new reversal agents for NOACs, will help address the unmet need for the management of major or life threatening bleeds, and the management of emergency surgical procedures in patients taking NOACs...
July 2016: Indian Heart Journal
Andrew Wassef, Ken Butcher
BACKGROUND: Four nonvitamin K antagonist oral anticoagulants (NOACs) are approved for stroke prevention in patients with nonvalvular atrial fibrillation (NVAF). AIMS: In this review, we assemble available evidence for the best management of ischemic and hemorrhagic stroke patients in the context of NOAC use. SUMMARY OF REVIEW: NOACs provide predictable anticoagulation with fixed dosages. The direct thrombin inhibitor dabigatran and direct factor Xa inhibitors apixaban, edoxaban, and rivaroxaban are all noninferior to warfarin for the prevention of ischemic stroke and systemic embolism and are associated with reduced incidence of intracranial hemorrhage...
October 2016: International Journal of Stroke: Official Journal of the International Stroke Society
Kenechukwu Mezue, Chukwudi Obiagwu, Jinu John, Abhishek Sharma, Felix Yang, Jacob Shani
Almost 800,000 new or recurrent strokes happen every year. Atrial fibrillation, the most common cardiac arrhythmia, is a major risk factor for stroke, accounting for 15-20% of ischemic strokes. Apixaban is a direct inhibitor of Factor Xa that was approved in December 2012 by the US Food and Drug Administration (FDA) for the prevention of stroke in patients with non-valvular atrial fibrillation. It is part of a family of novel oral anticoagulants (NOACs) which have the advantage over warfarin of less dosing variability, rapid onset of action and no INR monitoring required...
July 19, 2016: Current Cardiology Reviews
Waltraud Pfeilschifter, Dana Farahmand, Daniela Niemann, Benno Ikenberg, Carina Hohmann, Mario Abruscato, Sven Thonke, Adam Strzelczyk, Günther Hedtmann, Tobias Neumann-Haefelin, Rainer Kollmar, Oliver C Singer, Andreas Ferbert, Thorsten Steiner, Helmuth Steinmetz, Anke Reihs, Björn Misselwitz, Christian Foerch
BACKGROUND: The first specific antidote for non-vitamin K antagonist oral anticoagulants (NOAC) has recently been approved. NOAC antidotes will allow specific treatment for 2 hitherto problematic patient groups: patients with oral anticoagulant therapy (OAT)-associated intracerebral hemorrhage (ICH) and maybe also thrombolysis candidates presenting on oral anticoagulation (OAT). We aimed to estimate the frequency of these events and hence the quantitative demand of antidote doses on a stroke unit...
July 21, 2016: Cerebrovascular Diseases
Christian T Ruff, Robert P Giugliano, Elliott M Antman
Vitamin K antagonists are commonly used by clinicians to provide anticoagulation to patients who have or are at risk of having thrombotic events. In addition to familiarity with the dosing and monitoring of vitamin K antagonists, clinicians are accustomed to using vitamin K if there is a need to reverse the anticoagulant effect of vitamin K antagonists. There are now 4 new non-vitamin K antagonist oral anticoagulants (NOACs) that are attractive alternatives to vitamin K antagonists. Despite similar or lower rates of serious bleeding with NOACs in comparison with warfarin, there is a pressing need for strategies to manage bleeding when it does occur with NOACs and to reverse the pharmacological effect of these agents if needed...
July 19, 2016: Circulation
Hany S Abed, Vivien Chen, Michael J Kilborn, Raymond W Sy
Oral anticoagulation (OAC) has been the cornerstone for the prevention of thromboembolic complications in patients with atrial fibrillation (AF) at significant risk of stroke. Catheter ablation is an established efficacious technique for the treatment of AF. Ameliorating the risk of stroke or transient ischaemic attack (TIA) in patients with AF undergoing ablation requires meticulous planning of pharmacotherapy. The advent of non-vitamin K oral anticoagulants (NOACs) has broadened the therapeutic scope, representing a viable alternative to traditional vitamin K antagonists (VKA) in non-valvular AF...
June 21, 2016: Heart, Lung & Circulation
Ludovic Drouet, Claire Bal Dit Sollier, Thorsten Steiner, Jan Purrucker
BACKGROUND: Although the need for an emergency intervention may merit laboratory measurement of non-vitamin K antagonist oral anticoagulant (NOAC) concentration or anticoagulant activity, NOACs are not supposed to require routine monitoring due to their stable pharmacological profiles compared with warfarin. AIMS: To examine situations where NOAC measurement may be useful and to provide information about methodologies available to measure NOAC-related anticoagulation activity...
October 2016: International Journal of Stroke: Official Journal of the International Stroke Society
Tadataka Mizoguchi, Masahiro Yasaka
Non-valvular atrial fibrillation (NVAF) is the most common cardiac source of emboli in cardioembolic stroke which occupies from 1/4 to 1/3 of acute brain infarction in Japan. Non-vitamin K antagonist oral anticoagulants (NOAC) have been used widely because they are easy to use, their effect in preventing ischemic stroke is higher than or as high as warfarin, their incidence of major hemorrhage is lower than or as low as warfarin, and their incidence of intracranial hemorrhage is much lower than warfarin. However, there seem several issues to address regarding NOAC treatment, such as reversal of anticoagulation, antidotes, monitoring of anticoagulation, rt-PA treatment for acute stroke patients treated with NOACs...
April 2016: Nihon Rinsho. Japanese Journal of Clinical Medicine
Nathaniel Moulson, William F McIntyre, Zardasht Oqab, Payam Yazdan-Ashoori, Kieran L Quinn, Erik van Oosten, Wilma M Hopman, Adrian Baranchuk
PURPOSE OF THE STUDY: To explore the oral anticoagulation (OAC) prescribing choices of Canadian internal medicine residents, at different training levels, in comparison with the Canadian Cardiovascular Society (CCS) guidelines for non-valvular atrial fibrillation (NVAF). STUDY DESIGN: Cross-sectional, web-based survey, involving clinical scenarios designed to favour the use of non-vitamin K antagonists (NOACs) as per the 2014 CCS NVAF guidelines. Additional questions were also designed to determine resident attitudes towards OAC prescribing...
June 15, 2016: Postgraduate Medical Journal
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