Key result
Radiofrequency catheter ablation for persistent atrial flutter can unmask underlying sick sinus syndrome, necessitating pacemaker implantation.
Why the study?
Sinus node function cannot be evaluated during atrial flutter, and preoperative prediction of underlying sick sinus syndrome unmasked after catheter ablation has not been investigated.
Case Report (n=1)
Highlights the risk of unmasking underlying sick sinus syndrome following catheter ablation for persistent atrial flutter.
Clinicians should monitor for sinus node dysfunction after persistent atrial flutter ablation; case reports leave incidence and predictors open for prospective study.
Atrial flutter (AFL) is the second most common atrial tachyarrhythmia after atrial fibrillation. Catheter ablation (CA) for typical AFL is well-established and has a high success rate and adequate safety. However, sick sinus syndrome (SSS) occasionally occurs when long-term, persistent AFL is terminated by ablation. Sinus node function cannot be assessed during AFL, and the preoperative prediction of underlying SSS has not yet been investigated. When this situation occurs, pacemaker implantation is often necessary. Here, we report a case of SSS after persistent AFL CA.
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Li et al. (2022) conducted a case report in Atrial flutter (n=1). Radiofrequency catheter ablation was evaluated on Sick sinus syndrome. Radiofrequency catheter ablation for persistent atrial flutter can unmask underlying sick sinus syndrome, necessitating pacemaker implantation.
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