Source
Sciencedirect
Abstract
Background
Left atrioventricular coupling index (LACI) has emerged as a powerful marker of cardiac remodeling across a variety of cardiac diseases, however its prognostic value in the setting of transthyretin amyloid cardiomyopathy (ATTR-CM) remains largely unexplored.
Methods
Patients with ATTR-CM who underwent prospective evaluation comprising full echocardiographic assessment between 2021 and 2025 were included. LACI was measured as the ratio between the left atrial (LA) and the left ventricular (LV) end-diastolic volumes. The population was stratified based on LACI terciles. The study endpoint was all-cause mortality.
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