open access

Vol 22, No 5 (2015)
Original articles
Published online: 2015-10-27
Get Citation

Predictors of early and late left atrial tachycardia and left atrial flutter after catheter ablation of atrial fibrillation: Long-term follow-up

Maciej Wójcik, Alexander Berkowitsch, Sergey Zaltsberg, Christian W. Hamm, Heinz F. Pitschner, Malte Kuniss, Thomas Neumann
DOI: 10.5603/CJ.a2015.0040
·
Pubmed: 26202652
·
Cardiol J 2015;22(5):557-566.

open access

Vol 22, No 5 (2015)
Original articles
Published online: 2015-10-27

Abstract

Background: The aim of the study was identification of the predictors of left atrial tachycardia and left atrial flutter (LATAFL) after radiofrequency catheter ablation of atrial fibrillation (CAAF).

Methods: We followed 598 patients (71% male, 41% paroxysmal AF; median follow-up: 36 months) after a single step-wise CAAF procedure. The time to first documented LATAFL lasting longer than 30 s, documented in any kind of electrocardiography (ECG), was defined as an end-point.

Results: A single CAAF procedure resulted in LATAF in 58 (10%) patients. Additional lesions were performed in 275 (46%) patients. Early LATAFL recurrence (£ 3 months since the index procedure) was observed in 11 (2%) patients. Late LATAFL (> 3 months) was noted in 47 (8%) patients. The univariate predictors of LATAFL recurrence were: type of AF (p = 0.003), the size of LA (p = 0.002) and the type of procedure (p = 0.0001). The identified single independent predictors of LATAFL recurrence were enlarged LA (p = 0.001) and mul­tiple (≥ 2) additional lesions performed during the index procedure (p < 0.0001).

Conclusions: Higher rate of LATAFL recurrence was observed in patients with non-paroxysmal AF, enlarged LA and any additional lesions performed. Two independent predictors of LATAFL recurrence after CAAF were: the enlarged LA and multiple (≥ 2) additional lesions performed during the index procedure.

Abstract

Background: The aim of the study was identification of the predictors of left atrial tachycardia and left atrial flutter (LATAFL) after radiofrequency catheter ablation of atrial fibrillation (CAAF).

Methods: We followed 598 patients (71% male, 41% paroxysmal AF; median follow-up: 36 months) after a single step-wise CAAF procedure. The time to first documented LATAFL lasting longer than 30 s, documented in any kind of electrocardiography (ECG), was defined as an end-point.

Results: A single CAAF procedure resulted in LATAF in 58 (10%) patients. Additional lesions were performed in 275 (46%) patients. Early LATAFL recurrence (£ 3 months since the index procedure) was observed in 11 (2%) patients. Late LATAFL (> 3 months) was noted in 47 (8%) patients. The univariate predictors of LATAFL recurrence were: type of AF (p = 0.003), the size of LA (p = 0.002) and the type of procedure (p = 0.0001). The identified single independent predictors of LATAFL recurrence were enlarged LA (p = 0.001) and mul­tiple (≥ 2) additional lesions performed during the index procedure (p < 0.0001).

Conclusions: Higher rate of LATAFL recurrence was observed in patients with non-paroxysmal AF, enlarged LA and any additional lesions performed. Two independent predictors of LATAFL recurrence after CAAF were: the enlarged LA and multiple (≥ 2) additional lesions performed during the index procedure.

Get Citation

Keywords

atrial fibrillation, catheter ablation, left atrial tachycardia, left atrial flutter

About this article
Title

Predictors of early and late left atrial tachycardia and left atrial flutter after catheter ablation of atrial fibrillation: Long-term follow-up

Journal

Cardiology Journal

Issue

Vol 22, No 5 (2015)

Pages

557-566

Published online

2015-10-27

DOI

10.5603/CJ.a2015.0040

Pubmed

26202652

Bibliographic record

Cardiol J 2015;22(5):557-566.

Keywords

atrial fibrillation
catheter ablation
left atrial tachycardia
left atrial flutter

Authors

Maciej Wójcik
Alexander Berkowitsch
Sergey Zaltsberg
Christian W. Hamm
Heinz F. Pitschner
Malte Kuniss
Thomas Neumann

Important: This website uses cookies. More >>

The cookies allow us to identify your computer and find out details about your last visit. They remembering whether you've visited the site before, so that you remain logged in - or to help us work out how many new website visitors we get each month. Most internet browsers accept cookies automatically, but you can change the settings of your browser to erase cookies or prevent automatic acceptance if you prefer.

By "Via Medica sp. z o.o." sp.k., ul. Świętokrzyska 73, 80–180 Gdańsk, Poland
tel.:+48 58 320 94 94, fax:+48 58 320 94 60, e-mail: viamedica@viamedica.pl