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Background <p>About&#xa0;three percent of patients with persistent atrial fibrillation (AF) additionally suffer from a concealed sinus node disease (SND). We sought to determine the success of ablation one year after ablation of persistent AF in patients with postprocedurally unmasked SND.</p> Methods and results <p>In total, 2539 patients with an ablation of persistent AF at our centre were screened for a postprocedurally unmasked SND, which made acute cardiac pacing necessary within one week after ablation. In a propensity score-matched case–control study (1:2 matching), the long-term ablation success of 51 patients (mean age 73 ± 8&#xa0;years, 59% male) with unmasked SND after ablation of persistent AF was compared to that of 102 patients without SND after ablation of persistent AF. Controls were matched to cases based on the propensity score considering age, body mass index, left ventricular ejection fraction, gender, blood pressure, diabetes mellitus, atrial low voltage, previous number of ablations, and method of ablation.</p> <p>One year after ablation of persistent AF, 20 (39%) patients with postprocedurally unmasked SND and 61 (60%) patients without postprocedurally unmasked SND were in sinus rhythm (OR 0.43, 95% CI 0.22 to 0.90, <i>p</i> = 0.017). The number of repeat ablation procedures within the follow-up year did not differ significantly between cases and controls (mean 0.60 ± 0.68 vs 0.53 ± 0.80, rate ratio 1.14, 95% CI 0.72 to 1.78, <i>p</i> = 0.566).</p> Conclusion <p>In patients with a postprocedurally unmasked SND after ablation of persistent AF, long-term ablation success seems to be worse compared to patients without postprocedurally unmasked SND.</p> Graphical abstract <p></p>

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Long-term outcome after ablation of persistent atrial fibrillation in patients with postprocedurally unmasked sinus node disease

  • 期刊论文

  • 发表日期：

    2025年2月4日

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  • Verena Kantenwein,
  • Elisabeth Martini,
  • Bernhard Haller,
  • Marta Telishevska,
  • Felix Bourier,
  • Tilko Reents,
  • Marc Kottmaier,
  • Sarah Lengauer,
  • Isabel Deisenhofer,
  • Christof Kolb

摘要

Background

About three percent of patients with persistent atrial fibrillation (AF) additionally suffer from a concealed sinus node disease (SND). We sought to determine the success of ablation one year after ablation of persistent AF in patients with postprocedurally unmasked SND.

Methods and results

In total, 2539 patients with an ablation of persistent AF at our centre were screened for a postprocedurally unmasked SND, which made acute cardiac pacing necessary within one week after ablation. In a propensity score-matched case–control study (1:2 matching), the long-term ablation success of 51 patients (mean age 73 ± 8 years, 59% male) with unmasked SND after ablation of persistent AF was compared to that of 102 patients without SND after ablation of persistent AF. Controls were matched to cases based on the propensity score considering age, body mass index, left ventricular ejection fraction, gender, blood pressure, diabetes mellitus, atrial low voltage, previous number of ablations, and method of ablation.

One year after ablation of persistent AF, 20 (39%) patients with postprocedurally unmasked SND and 61 (60%) patients without postprocedurally unmasked SND were in sinus rhythm (OR 0.43, 95% CI 0.22 to 0.90, p = 0.017). The number of repeat ablation procedures within the follow-up year did not differ significantly between cases and controls (mean 0.60 ± 0.68 vs 0.53 ± 0.80, rate ratio 1.14, 95% CI 0.72 to 1.78, p = 0.566).

Conclusion

In patients with a postprocedurally unmasked SND after ablation of persistent AF, long-term ablation success seems to be worse compared to patients without postprocedurally unmasked SND.

Graphical abstract