Why the study?
Does contact force technology combined with Ablation Index improve single-procedure success and reduce recurrence of paroxysmal AF in patients undergoing catheter ablation?
Does contact force technology combined with Ablation Index improve single-procedure success and reduce recurrence of paroxysmal AF in patients undergoing catheter ablation?
The use of contact force technology combined with Ablation Index in a standardized workflow may improve the single-procedure success rate and reproducibility of pulmonary vein isolation for atrial fibrillation.
May enhance PVI success and reproducibility in paroxysmal AF; leaves open large RCTs for confirmation.
To improve the single-procedural success and long-term outcomes of catheter ablation techniques for AF, there is a need for durable, contiguous and transmural lesions encircling the pulmonary veins (PV). Measurement of contact force (CF) between the catheter tip and the target tissue can optimise ablation procedures. A new approach to obtain single-procedure durable PV isolation (PVI) using the latest CF technology combined with the CARTO VISITAG™ Module with Ablation Index (Biosense Webster) has been shown in small studies to almost eliminate recurrence of paroxysmal AF at 1-year follow up and to make PVI procedures more reproducible. The use of a standardised workflow is expected to increase the reproducibility of results and to increase the efficiency of PVI procedures.
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Duytschaever et al. (2017) studied this question.
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