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[Correspondence] The ABC risk score for patients with atrial fibrillation

Ziad Hijazi and colleagues’1 age, biomarkers, and clinical history (ABC) score yields promise as a new standard for assessment of bleeding risk in patients with atrial fibrillation and supports the role of biomarkers in the field of arrhythmic disorders. Unfortunately, it also highlights the overlap of some variables (GDF-15, cardiac troponin T, and age), which are not only associated with bleeding, but are also known risk factors for stroke and systemic embolism.2,3 New thromboembolic risk stratification schemes such as ATRIA,4 R2CHADS2,5 and ABC-stroke6 have been proposed, but the time has come for a new notion of integrated risk stratification for patients with atrial fibrillation.