Optimal Force-Time Integral for Pulmonary Vein Isolation According to Anatomical Wall Thickness Under the Ablation Line.

5 The EFFICAS I study reported that ablation with a minimum FTI of <400 gs showed an increased likelihood of reconnection and that gap occurrence showed a strong trend with lower average CF and average FTI 6 ; however, the left atrial (LA) wall under the catheter ablation line is not of uniform thickness, and it can be particularly thick in the left lateral ridge (LLR).

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