Vol 21, No 5 (2014)
Original articles
Published online: 2014-10-29

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Antithrombotic therapy in patients with atrial fibrillation and acute coronary syndrome in the real world: Data from the Berlin AFibACS Registry

Birga Maier, Claire Hegenbarth, Heinz Theres, Ralph Schoeller, Helmut Schuehlen, Steffen Behrens, for the AFibACS Registry
DOI: 10.5603/CJ.a2013.0146
Cardiol J 2014;21(5):465-473.

Abstract

Background: Guidelines for the management of atrial fibrillation (AFib) recommend antithromboembolic treatment strategies for patients with AFib and acute coronary syndrome (AFibACS). Our study assessed how current guidelines are implemented in the metropolitan area of Berlin and which therapeutic options were chosen in light of stroke and bleeding riskin everyday practice.

Methods and Results: Between April 2008 and January 2012, we included 1,295 AFibACS patients in the AFibACS Registry, as part of the Berlin Myocardial Infarction Registry. Meanage of the patients was 76 years with numerous comorbidities (15.4% former stroke, 35.0% renal failure, 43.5% diabetes, 92.8% hypertension). Of all the patients, 888 were treated with stent implantation, 91 with balloon angioplasty, and 316 conservatively. Overall mortality was 11.6%, and 8.3% in stented patients. At hospital discharge, triple therapy was administered to 49.9% of stented cases. After adjustment, odds of receiving triple therapy were lower within creasing age and renal failure. Odds were higher after stent implantation, with a higher CHA2DS2-VASc score, and with any AFib category compared to initially diagnosed AFib. Between 2008 and 2011, triple therapy increased from 33.3% to 49.8% for stented patients and did not change significantly for those treated conservatively or with balloon angioplasty.

Conclusions: These data suggest that in AFibACS patients, antithrombotic treatment focused on dual antiplatelet therapy for ACS, rather than on anticoagulation therapy for stroke prevention. Factors influencing therapy at discharge were age, renal failure, stent implantation, AFib category, and CHA2DS2-VASc score. During the study period, triple therapy increased for stented patients.