Vol 28, No 5 (2021)
Original Article
Published online: 2020-03-18

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Impact of single versus double transseptal puncture on outcome and complications in pulmonary vein isolation procedures

Annina Stauber1, Jelena Kornej1, Alireeza Sepehri Shamloo1, Boris Dinov1, Justinas Bacevicius1, Nikolaos Dagres1, Andreas Bollmann1, Gerhard Hindricks12, Philipp Sommer123
Pubmed: 32207839
Cardiol J 2021;28(5):671-677.


Background: The aim of the current study was to analyze the impact of single versus double transseptal puncture (TSP) for atrial fibrillation (AF) ablation.
Methods: Consecutive patients undergoing AF ablation were prospectively included in the AF ablation registry and were analyzed according to single versus double TSP.
Results: A total of 478 patients (female 35%, persistent AF 67%) undergoing AF ablation between 01/2014 and 09/2014 were included. Single TSP was performed in 202 (42%) patients, double TSP in 276 (58%) patients. Age, gender, body mass index, CHA2DS2-VASc score, left ventricular ejection fraction and operator experience (experienced operator defined as ≥ 5 years of experience in invasive electrophysiology) were equally distributed between the two groups. Repeat procedures (re-dos) were more frequently performed using single TSP access (p < 0.001). Left atrial (LA) diameter was larger in patients with double TSP (p = 0.001). Procedure duration in single TSP was identical to double TSP procedures (p = 0.823). Radiation duration was similar between the two groups (p = 0.217). There were 49 (10%) patients with complications after catheter ablation. There were no differences between complication rates and TSP type (p = 0.555). Similarly, recurrence rates were comparable between both TSP groups (p = 0.788).
Conclusions: There was no clear benefit of single or double TSP in AF ablation.

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