Key result
Irrigated ablation guided by detailed 3-D electroanatomic activation maps combined with entrainment pacing is effective for treating post-ablation left atrial tachycardias.
This review highlights the mechanisms and management of post-ablation left atrial tachycardias, emphasizing the utility of 3-D electroanatomic mapping and entrainment pacing for successful ablation.
Supports 3-D mapping with entrainment for post-ablation left atrial tachycardias; leaves open prospective validation before wider adoption.
Currently, post-ablation Atrial Tachycardias (ATs) represent a growing clinical problem particularly in patients with persistent AF undergoing a more extensive substrate ablation. Understanding mechanisms and location of potentially widely located arrhythmogenic substrates in the left atrium is crucial for successful ablation. Mapping and ablation are challenging since complex and multiple ATs may frequently develop during the index procedure and before conversion to sinus rhythm. Use of irrigated ablation guided by detailed 3-D electroanatomic activation maps combined with entrainment pacing is effective with excellent acute and long-term success rates, rarely requiring multiple procedures.
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Pappone et al. (2012) conducted a review in Post-ablation left atrial tachycardia. Catheter ablation guided by 3-D electroanatomic mapping and entrainment pacing was evaluated. Irrigated ablation guided by detailed 3-D electroanatomic activation maps combined with entrainment pacing is effective for treating post-ablation left atrial tachycardias.
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