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Change in transmitral flow A velocity (A) and annular DTI (B), Mean transmitral A wave velocities (A), and A wave velocities of annular DTI (B) at post-ablation day 1, at 1 month, 3 months, 6–12 months. Both of them were increased significantly after 1 month of ablation and then changes were negligible. Each value was described in mean ± standard error.
