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Review
. 2010 Dec 15;3(4):294.
doi: 10.4022/jafib.294. eCollection 2010 Dec.

The Use of Cryoballoon Ablation in Atrial Fibrillation: Simplifying Pulmonary Vein Isolation?

Gian Battista Chierchia  1 , Antonio Sorgente  1 , Andrea Sarkozy  1 , Carlo de Asmundis  1 , Pedro Brugada  1
Affiliations
Review

The Use of Cryoballoon Ablation in Atrial Fibrillation: Simplifying Pulmonary Vein Isolation?

Gian Battista Chierchia et al. J Atr Fibrillation. .

Abstract

Atrial fibrillation (AF) is certainly the most common arrhythmia encountered in clinical practice, reaching epidemic proportions in occidental society. Nowadays, transcatheter ablation using radiofrequency (RF) has become a popular technique in the treatment of drug-resistant AF. Since ectopic beats originating from the pulmonary veins (PVs) have been shown to be the main trigger initiating AF, electrical isolation of these venous structures has become the goal when performing this procedure.

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Figures

Figure 1.
Figure 1.. The cryoballoon catheter
Figure 2.
Figure 2.. Detailed view of the double-walled balloon principal components
Figure 3.
Figure 3.. The 2 cryoballoon diameters: 23 and 28 mm
Figure 4A.
Figure 4A.. Left superior PV
Figure 4B.
Figure 4B.. Left inferior PV
Figure 4C.
Figure 4C.. Right upper PV
Figure 4D.
Figure 4D.. Right inferior PV
Figure 5.
Figure 5.. Pulmonary Vein isolation following cryoballoon ablation. Panel A: electrogram recordings from the Lasso circular mapping catheter (L1,2 to L 9,10) from a PV ostium before cryoballoon ablation. Notice the sharp pulmonary vein potentials (PVs)
See this image and copyright information in PMC

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