Can transesophageal echocardiography be safely omitted in patients scheduled for elective ablation of atrial arrhythmias? Data based on the LATTEE registry.
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Kaufmann Damian, Królak Tomasz, Dąbrowska-Kugacka Alicja, Kapłon-Cieślicka Agnieszka, Gawałko Monika, Budnik Monika, Uziębło-Życzkowska Beata, Krzesiński Paweł, Starzyk Katarzyna, Wożakowska-Kapłon Beata, Wójcik Maciej, Błaszczyk Robert, Hiczkiewicz Jarosław, Budzianowski Jan, Mizia-Stec Katarzyna, Wybraniec Maciej T, Kosmalska Katarzyna, Fijałkowski Marcin, Szymańska Anna, Dłużniewski Mirosław, Haberka Maciej, Kucio Michał, Michalski Błażej, Kupczyńska Karolina, Tomaszuk-Kazberuk Anna, Wilk-Śledziewska Katarzyna, Wachnicka-Truty Renata, Koziński Marek, Burchardt Paweł, Daniłowicz-Szymanowicz Ludmiła
Аннотация
AIMS: We aimed to identify transthoracic echocardiographic parameters that could be useful in identifying patients without left atrial thrombus (LAT), which makes it possible to avoid unnecessary TEE before scheduled CA.
METHODS: This is a sub-analysis of a multicenter, prospective, observational study - the LATTEE registry. A total of 1346 patients referred for TEE before scheduled CA of AF/AFL were included.
RESULTS: LAT was present in 44 patients (3.3%) and absent in the remaining 1302, who were younger, more likely to have paroxysmal AF, and displayed sinus rhythm during TEE. Additionally, they exhibited a lower incidence of heart failure, diabetes, systemic connective tissue disease, and chronic obstructive pulmonary disease. Furthermore, they had a lower CHA2DS2-VASc score and a higher prevalence of direct oral anticoagulants. Echocardiographic parameters, including left ventricular ejection fraction (LVEF) >65%, left atrial diameter (LAD) <40 mm, left atrial area (LAA) <20 cm2, left atrial volume (LAV) <113 ml, and left atrial volume index (LAVI) <51 ml/m2, demonstrated 100% sensitivity and 100% negative predictive value for the absence of LAT and were met by 417 patients. Additional echocardiographic indices: LVEF/LAD ≥1.4, LVEF/LAVI ≥1.6, and LVEF/LAA ≥2.7 identified 57 additional patients, bringing the total of predicted LAT-free patients to 474 (35%).
CONCLUSIONS: Simple echocardiographic parameters could help identify individuals for whom TEE could be safely omitted before elective CA due to atrial arrhythmias.