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Association of anticoagulant therapy with risk of dementia among patients with atrial fibrillation
ConclusionIn this propensity-matched and -weighted analysis using a real-world population-based cohort, use of NOACs was associated with lower dementia risk than use of warfarin among non-valvular AF patients initiating OAC treatment.
Source: Europace - October 16, 2020 Category: Cardiology Source Type: research

Electrophysiological effects of non-vitamin K antagonist oral anticoagulants on atrial repolarizing potassium channels
Conclusion  Apixaban, dabigatran, edoxaban, and rivaroxaban did not exhibit direct functional interactions with human atrial K+ channels underlyingIKr,IKur,Ito,IK1, andIK2P currents that could account for beneficial clinical outcome associated with the drugs. Indirect or chronic effects and potential underlying signalling mechanisms remain to be investigated.
Source: Europace - July 17, 2020 Category: Cardiology Source Type: research

Non-vitamin K antagonist oral anticoagulants in atrial fibrillation patients undergoing elective cardioversion
ConclusionThrombotic and bleeding complications related to NOACs were uncommon (<0.5%) in real life AF patients undergoing elective cardioversion.
Source: Europace - July 10, 2017 Category: Cardiology Source Type: research

Shifting to a non-vitamin K antagonist oral anticoagulation agent from vitamin K antagonist in atrial fibrillation
ConclusionIn a contemporary setting among VKA-experienced NVAF patients; VKA is still prevalent although about 30% by December 2015 had shifted to a NOAC.
Source: Europace - June 28, 2017 Category: Cardiology Source Type: research

Dabigatran vs. warfarin in relation to the presence of left ventricular hypertrophy in patients with atrial fibrillation — the Randomized Evaluation of Long-term anticoagulation therapY (RE-LY) study
ConclusionsLVH was associated with a lower antithrombotic efficacy of warfarin, but not of dabigatran, in patients with AF. Consequently, the relative benefit of the lower dose of dabigatran compared to warfarin was enhanced in patients with LVH. The higher dose of dabigatran was superior to warfarin regardless of LVH status.Clinical trial registrationhttp:www.clinicaltrials.gov. Unique identifier: NCT00262600.
Source: Europace - May 17, 2017 Category: Cardiology Source Type: research

Antithrombotic therapy use in patients with atrial fibrillation before the era of non-vitamin K antagonist oral anticoagulants: the Global Registry on Long-Term Oral Antithrombotic Treatment in Patients with Atrial Fibrillation (GLORIA-AF) Phase I cohort
Conclusion Phase I of GLORIA-AF shows that VKAs were mostly used in patients with persistent/permanent (vs. paroxysmal) AF and in those with high stroke risk. Furthermore, there were meaningful geographical differences in the use of VKA therapy in the era before the availability of NOACs, including a much lower use of VKAs in China, where most patients either received antiplatelet agents or no antithrombotic treatment.
Source: Europace - August 30, 2016 Category: Cardiology Authors: Huisman, M. V., Ma, C. S., Diener, H.-C., Dubner, S. J., Halperin, J. L., Rothman, K. J., Teutsch, C., Schoof, N., Kleine, E., Bartels, D. B., Lip, G. Y. H., for the GLORIA-AF Investigators Tags: Atrial fibrillation Source Type: research

Effectiveness and safety of dabigatran versus acenocoumarol in 'real-world patients with atrial fibrillation
Conclusion In ‘real-world’ patients with AF, dabigatran appears to be as effective, but significantly safer than acenocoumarol.
Source: Europace - August 30, 2016 Category: Cardiology Authors: Korenstra, J., Wijtvliet, E. P. J., Veeger, N. J. G. M., Geluk, C. A., Bartels, G. L., Posma, J. L., Piersma-Wichers, M., Van Gelder, I. C., Rienstra, M., Tieleman, R. G. Tags: Atrial fibrillation Source Type: research

Real-world persistence and adherence to oral anticoagulation for stroke risk reduction in patients with atrial fibrillation
Conclusions Rivaroxaban and dabigatran demonstrated better persistence than VKA at Day 360. Furthermore, rivaroxaban was associated with better persistence and adherence than dabigatran. Further studies are needed to identify factors responsible for this difference and evaluate the impact on outcomes.
Source: Europace - August 4, 2016 Category: Cardiology Authors: Beyer-Westendorf, J., Ehlken, B., Evers, T. Tags: Atrial fibrillation Source Type: research

Long-term evaluation of dabigatran 150 vs. 110 mg twice a day in patients with non-valvular atrial fibrillation
Conclusion Annualized rates of all outcomes were constant with better efficacy of D150, less major bleeding with D110, and low intracerebral haemorrhage rates for both doses. There were no additional safety concerns. This is the longest continuous randomized experience of a novel anticoagulant.
Source: Europace - June 28, 2016 Category: Cardiology Authors: Ezekowitz, M. D., Eikelboom, J., Oldgren, J., Reilly, P. A., Brueckmann, M., Kent, A. P., Pogue, J., Spahr, J., Clemens, A., Noack, H., Diener, H.-C., Wallentin, L., Yusuf, S., Connolly, S. J. Tags: Atrial fibrillation Source Type: research

Non-vitamin K antagonist oral anticoagulation agents in anticoagulant naive atrial fibrillation patients: Danish nationwide descriptive data 2011-2013
Conclusion Among oral anticoagulation-naïve AF patients initiated on oral anticoagulation in Denmark, warfarin initiation has declined since the introduction of dabigatran in August 2011. Dabigatran is the most frequently used alternative option to warfarin; however, use of rivaroxaban and apixaban is increasing. Patients initiated with rivaroxaban or apixaban in general have a higher predicted stroke and bleeding risks compared with warfarin or dabigatran initiators.
Source: Europace - January 29, 2015 Category: Cardiology Authors: Olesen, J. B., Sorensen, R., Hansen, M. L., Lamberts, M., Weeke, P., Mikkelsen, A. P., Kober, L., Gislason, G. H., Torp-Pedersen, C., Fosbol, E. L. Tags: Atrial fibrillation Source Type: research

Peri-procedural interrupted oral anticoagulation for atrial fibrillation ablation: comparison of aspirin, warfarin, dabigatran, and rivaroxaban
Conclusion Using interrupted OAC, low target intraprocedural ACT, and irrigated-tip RF, the rate of peri-procedural groin, haemorrhagic, and thromboembolic complications was extremely low. There were only minimal differences between OACs. Low-risk patients may remain on aspirin/no OAC pre-ablation. There are no problems changing from one OAC pre-ablation to another post-ablation.
Source: Europace - September 29, 2014 Category: Cardiology Authors: Winkle, R. A., Mead, R. H., Engel, G., Kong, M. H., Patrawala, R. A. Tags: Ablation for atrial fibrillation Source Type: research

The budget impact of left atrial appendage closure compared with adjusted-dose warfarin and dabigatran etexilate for stroke prevention in atrial fibrillation
Conclusion The majority of LAAC costs are borne in the first year, while costs for pharmaceutical strategies continue to accrue year on year. Thus, LAAC represents an opportunity for savings to healthcare systems in the long term. This is an important consideration for payers in evaluating lifetime treatment strategies in AF.
Source: Europace - July 29, 2014 Category: Cardiology Authors: Amorosi, S. L., Armstrong, S., Da Deppo, L., Garfield, S., Stein, K. Tags: Atrial fibrillation Source Type: research

Novel oral anticoagulants in a real-world cohort of patients undergoing catheter ablation of atrial fibrillation
Conclusion In this prospective observational study, anticoagulation with NOACs following AF catheter ablation was safe and effective at long-term follow-up. Fast onset of action makes NOACs especially attractive in patients without effective anticoagulation on admission and in patients following periprocedural complications.
Source: Europace - October 29, 2013 Category: Cardiology Authors: Eitel, C., Koch, J., Sommer, P., John, S., Kircher, S., Bollmann, A., Arya, A., Piorkowski, C., Hindricks, G. Tags: Ablation for atrial fibrillation Source Type: research