Ablation index, a novel marker of ablation lesion quality: prediction of pulmonary vein reconnection at repeat electrophysiology study and regional differences in target values | Zendy

Moloy Das | Zendy; Jonathan J. Loveday | Zendy; Gareth Wynn | Zendy; Sean Gomes | Zendy; Yawer Saeed | Zendy; Laura Bonnett | Zendy; Johan Waktare | Zendy; Derick Todd | Zendy; Mark Hall | Zendy; Richard Snowdon | Zendy; Simon Modi | Zendy; Dhiraj Gupta | Zendy

Open Access

Ablation index, a novel marker of ablation lesion quality: prediction of pulmonary vein reconnection at repeat electrophysiology study and regional differences in target values

Author(s) -

Moloy Das,

Jonathan J. Loveday,

Gareth Wynn,

Sean Gomes,

Yawer Saeed,

Laura Bonnett,

Johan Waktare,

Derick Todd,

Mark Hall,

Richard Snowdon,

Simon Modi,

Dhiraj Gupta

Publication year - 2016

Publication title -

ep europace

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.119

H-Index - 102

eISSN - 1532-2092

pISSN - 1099-5129

DOI - 10.1093/europace/euw105

Subject(s) - pulmonary vein , ablation , atrial fibrillation , cardiology , lesion , medicine , electrophysiology study , catheter ablation , surgery

Force-Time Integral (FTI) is commonly used as a marker of ablation lesion quality during pulmonary vein isolation (PVI), but does not incorporate power. Ablation Index (AI) is a novel lesion quality marker that utilizes contact force, time, and power in a weighted formula. Furthermore, only a single FTI target value has been suggested despite regional variation in left atrial wall thickness. We aimed to study AI's and FTI's relationships with PV reconnection at repeat electrophysiology study, and regional threshold values that predicted no reconnection.

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