A multi‐center experience of ablation index for evaluating lesion delivery in typical atrial flutter

A multi‐center experience of ablation index for evaluating lesion delivery in typical atrial flutter

Background Anatomical studies demonstrate significant variation in cavotricuspid isthmus (CTI) architecture. Methods Thirty‐eight patients underwent CTI ablation at two tertiary centers. Operators delivered 682 lesions with a target ablation index (AI) of 600 Wgs. Ablation parameters were recorded e...

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Veröffentlicht in:Pacing and clinical electrophysiology 2021-06, Vol.44 (6), p.1039-1046
Hauptverfasser: Maclean, Edd, Simon, Ron, Ang, Richard, Dhillon, Gurpreet, Ahsan, Syed, Khan, Fakhar, Earley, Mark, Lambiase, Pier D., Rosengarten, James, Chow, Anthony W., Dhinoja, Mehul, Providencia, Rui, Markides, Vias, Wong, Tom, Hunter, Ross J., Behar, Jonathan M.
Format: Artikel
Sprache:eng
Schlagworte:
Ablation
ablation index
Aged
atrial flutter
Atrial Flutter - surgery
catheter ablation
Catheter Ablation - methods
Catheters
cavo‐tricuspid isthmus
Female
force sensing
Humans
Lesions
Male
Tricuspid Valve - surgery
Ventricle
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Zusammenfassung:Background Anatomical studies demonstrate significant variation in cavotricuspid isthmus (CTI) architecture. Methods Thirty‐eight patients underwent CTI ablation at two tertiary centers. Operators delivered 682 lesions with a target ablation index (AI) of 600 Wgs. Ablation parameters were recorded every 10–20 ms. Post hoc, Visitags were trisected according to CTI position: inferior vena cava (IVC), middle (Mid), or ventricular (V) lesions. Results There were no complications. 92.1% of patients (n = 35) remained in sinus rhythm after 14.6 ± 3.4 months. For the whole CTI, peak AI correlated with mean impedance drop (ID) (R2 = 0.89, p 
ISSN:0147-8389
1540-8159
DOI:10.1111/pace.14228