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Abstract #0779

AI-supported Segmentation of the Whole Left Atrium in Cine MRI Identifies a New Geometrical Predictor of Outcome in Atrial Fibrillation

Maurice Pradella1, Sven Knecht2, Manuela Moor1, Shan Yang1, Constantinos Anastasopoulos1, Gian Voellmin2, Philip Haaf2, Stefan Osswald2, Michael Kuehne2, Christian Sticherling2, Bram Stieltjes1, and Jens Bremerich1
1Department for Radiology, University Hospital Basel, Basel, Switzerland, 2Department for Cardiology, University Hospital Basel, Basel, Switzerland

Deep learning based, automatic segmentation of the whole left atrium in cine MRI makes detailed geometrical analysis possible by fitting of an ellipsoid into the contours of the left atrium. Therefore, we could identify the ellipsoidal volume at the time-point before atrial contraction as an independent predictor of recurrence of atrial fibrillation after catheter ablation in a multivariable analysis.

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