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The association between patterns of atrial fibrillation, anticoagulation, and cardiovascular events.


ABSTRACT:

Aims

Guidelines do not recommend to take pattern of atrial fibrillation (AF) into account for the indication of anticoagulation (AC). We assessed AF pattern and the risk of cardiovascular events during 2-years of follow-up.

Methods and results

We categorized AF as paroxysmal, persistent, or permanent in 29 181 patients enrolled (2010-15) in the Global Anticoagulant Registry In the FIELD of AF (GARFIELD-AF). We used multivariable Cox regression to assess the risks of stroke/systemic embolism (SE) and death across patterns of AF, and whether this changed with AC on outcomes. Atrial fibrillation pattern was paroxysmal in 14 344 (49.2%), persistent in 8064 (27.6%), and permanent 6773 (23.2%) patients. Median CHA2DS2-VASc, GARFIELD-AF, and HAS-BLED scores assessing the risk of stroke/SE and/or bleeding were similar across AF patterns, but the risk of death, as assessed by the GARFIELD-AF risk calculator, was higher in non-paroxysmal than in paroxysmal AF patterns. During 2-year follow-up, after adjustment, non-paroxysmal AF patterns were associated with significantly higher rates of all-cause death, stroke/SE, and new/worsening congestive heart failure (CHF) than paroxysmal AF in non-anticoagulated patients only. In anticoagulated patients, a significantly higher risk of death but not of stroke/SE and new/worsening CHF persisted in non-paroxysmal compared with paroxysmal AF patterns.

Conclusion

In non-anticoagulated patients, non-paroxysmal AF patterns were associated with higher risks of stroke/SE, new/worsening HF and death than paroxysmal AF. In anticoagulated patients, the risk of stroke/SE and new/worsening HF was similar across all AF patterns. Thus AF pattern is no longer prognostic for stroke/SE when patients are treated with anticoagulants.

Clinical trial registration

URL: http://www.clinicaltrials.gov. Unique identifier: NCT01090362.

SUBMITTER: Atar D 

PROVIDER: S-EPMC7005596 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature

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Publications

The association between patterns of atrial fibrillation, anticoagulation, and cardiovascular events.

Atar Dan D   Berge Eivind E   Le Heuzey Jean-Yves JY   Virdone Saverio S   Camm A John AJ   Steffel Jan J   Gibbs Harry H   Goldhaber Samuel Z SZ   Goto Shinya S   Kayani Gloria G   Misselwitz Frank F   Stepinska Janina J   Turpie Alexander G G AGG   Bassand Jean-Pierre JP   Kakkar Ajay K AK  

Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology 20200201 2


<h4>Aims</h4>Guidelines do not recommend to take pattern of atrial fibrillation (AF) into account for the indication of anticoagulation (AC). We assessed AF pattern and the risk of cardiovascular events during 2-years of follow-up.<h4>Methods and results</h4>We categorized AF as paroxysmal, persistent, or permanent in 29 181 patients enrolled (2010-15) in the Global Anticoagulant Registry In the FIELD of AF (GARFIELD-AF). We used multivariable Cox regression to assess the risks of stroke/systemi  ...[more]

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