ArticleHeart rhythm O22025
High-power short-duration vs conventional radiofrequency ablation for atrial fibrillation in patients over 80 years of age: A propensity-score matched cohort analysis.
Article in Heart rhythm O2, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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15 authors.
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Abstract
Background: Data on atrial fibrillation (AF) ablation using high-power short-duration (HPSD) ablation in patients over 80 years are lacking. Objective: This study aimed to compare the safety and efficacy of paroxysmal and persistent AF ablation using an HPSD (60-90 W/4-8 sec) vs conventional ablation (30-40 W/30 sec) in a propensity score-matched cohort of patients older than 80 years. Methods: Overall, 232 consecutive patients aged over 80 years undergoing AF ablation were included. Propensity score matching revealed 102 pairs for maximizing comparability. A post-ablation 42-day blanking period was applied. Major complications were defined as those requiring intervention or causing sequels within 30 days following catheter ablation. Results: Procedural duration (132.7 ± 45.7 vs 155.4 ± 59.7 min; Conclusions: In very old patients (>80 years), AF ablation using an HPSD approach can be performed safely and effectively with a reduction of procedure duration, x-ray exposure, and fewer repeat ablations compared to a conventional approach. Long-term ablation results are promising with both approaches.
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