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Abstract #3950

Correlation between Cine-derived Strain and Late Gadolinium Enhancement in the Left Atrium

Dana C Peters 1 , Emma Alexander 1 , James S Duncan 1 , Xenophon Papademetris 1 , Daniel Cornfeld 1 , Albert J Sinusas 2 , and Sudhakar Chelikani 1

1 Diagnostic Radiology, Yale University, New Haven, CT, United States, 2 Cardiology, Yale University, New Haven, CT, United States

Abnormal left atrial (LA) strain is a potential cause of LA fibrosis, and the presence of fibrosis will impact LA strain. We have developed a feature tracking method, and applied it to 2-chamber cine images of patients to estimate left atrial strain, and to correlate strain with late gadolinium enhancement estimations of LA fibrosis. Preliminary correlation in 9 patients shows a trend towards lower strain in patients with greater fibrosis.

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