P917 Additional value of atrial parameters evaluated by echocardiography on the scales of cardioembolic risk in atrial fibrillation

• Published in: European heart journal cardiovascular imaging 2020-01, Vol.21 (Supplement_1)
• Main Authors: Moral, S, Panaro, A, Ballesteros, E, Morales, M, Frigola, J M, Robles, R, Albert, X, Trucco, E, Aboal, J, Vilardell, P, Palet, J, Carballo, J, Brugada, R, Evangelista, A
• Format: Article
• Language: English
• ISSN: 2047-2404; 2047-2412
• DOI: 10.1093/ehjci/jez319.553

Abstract Background Atrial morphological parameters may influence the presence of atrial thrombus, a factor strongly associated with cardiac thromboembolism, independently of those included in the CHA2DS2-VASc risk estimation scale in patients with a history of atrial fibrillation (AF). The aim of our study was to evaluate this possible association by transthoracic echocardiography (TTE). Methods Prospective multicenter study including 401 patients with a history of AF, in which a TTE and a transesophageal echocardiogram (TEE) were performed for evaluation of atrial thrombus between 2016-2019. The parameters included in the CHA2DS2-VASc scale, the heart rhythm at the time of the study and the anticoagulant treatment performed, as well as the atrial morphological parameters were collected. Results Twenty-three patients (6%) presented with atrial thrombus in TEE. The left atrial area (28 ± 6cm2 vs 33 ± 6cm2; p 30cm2 (OR = 5.2;CI 95% =1.7-16.0; p = 0.004) were independent predictors of atrial thrombus presence. Conclusions The left atrial area is associated with the presence of atrial thrombus in patients with a history of AF independently of the CHA2DS2-VASc scale, heart rhythm during the study, and anticoagulant treatment. This parameter should be evaluated to be included in the cardioembolic risk scales.