eISSN: 1897-4295
ISSN: 1734-9338
Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej
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1/2024
vol. 20
 
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abstract:
Original paper

Comparison of efficacy of pharmacological cardioversion with antazoline and propafenone versus electrical cardioversion in atrial fibrillation during cryoablation

Konrad Klocek
1
,
Michał Tworek
1
,
Katarzyna Klimek
1
,
Mateusz Zabochnicki
1
,
Krzysztof Milewski
1
,
Marta Mazur
1
,
Paweł Kaźmierczak
1
,
Adam Janas
1

  1. Center of Cardiovascular Research and Development, American Heart of Poland, Katowice, Poland
Adv Interv Cardiol 2024; 20, 1 (75): 103–108
DOI: https://doi.org/10.5114/aic.2024.136392
Online publish date: 2024/03/15
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Introduction:
Antazoline with propafenone may be an alternative to electrical cardioversion (ECV) in restoring sinus rhythm in patients with atrial fibrillation (AF), including during balloon cryoablation.

Aim:
To compare the efficacy of antazoline with propafenone and ECV in restoring and maintaining sinus rhythm at discharge in patients with AF during cryoablation with special regard to type of AF.

Material and methods:
The study retrospectively analyzed 196 patients who underwent elective cryoablation. Eighty-nine patients who developed AF in the perioperative period were selected as the study group (32 women and 57 men). The study group was divided into two groups – 46 (51.7%) patients were given pharmacological cardioversion with 70 mg of propafenone and 100 or 200 mg of antazoline, whereas the other 43 (48.3%) patients underwent ECV.

Results:
There were no statistically significant differences between the groups regarding: left atrial area, left atrium diameter, right atrial area and right atrium diameter. In the overall population, ECV was more effective than antazoline with propafenone therapy (31 [72.1%] vs. 20 [43.5%]; p = 0.01). A similar relationship was demonstrated in patients with persistent AF (13 [59.1%] vs. 3 [12.5%]; p = 0.002). There was no significant difference in the group of patients with paroxysmal AF (18 (85.6%) vs. 17 (77.3%); p = 0.7).

Conclusions:
In AF during the cryoablation procedure ECV appears to be more effective in restoring and maintaining sinus rhythm at discharge than antazoline with propafenone in the general AF patient population, especially in patients with persistent AF.

keywords:

antazoline, atrial fibrillation, cryoablation, electrical cardioversion, propafenone
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