Why the study?
Non-PV triggers during or after PVAI occur in approximately 30 % of AF cases and contribute to recurrence, presenting a clinical challenge.
Population
An 84-year-old woman with recurrent symptomatic paroxysmal AF
Design
Case report
Authors
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Non-PV triggers may drive post-PVAI recurrence; leaves open need for routine mapping in ablation protocols.
Targeted ablation of areas with a fractionation mapping score of ≥4 during sinus rhythm may help terminate and prevent paroxysmal AF when standard ablation fails.
Umemoto et al. (2024) studied this question.
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