Why the study?
Catheter ablation of recurrent atrial tachyarrhythmia after Maze operation is challenging due to complex arrhythmia circuits, warranting clarification of their characteristics and ablation outcomes.
Catheter ablation is an effective treatment for recurrent atrial tachyarrhythmias following a Maze procedure, achieving an 81% acute termination rate, though late recurrences of de-novo arrhythmias remain a challenge.
May support ablation for post-Maze tachyarrhythmias; leaves open need for RCTs on long-term durability.
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Kawai et al. (2025) studied this question.
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