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J Cardiovasc Pharmacol. 2018 Dec;72(6):285-290. doi: 10.1097/FJC.0000000000000624.

Effect of Postablation Statin Treatment on Arrhythmia Recurrence in Patients With Paroxysmal Atrial Fibrillation.

Author information

1
Department of Cardiology, Athens General Hospital "G. Gennimatas," Athens, Greece.
2
2nd Department of Cardiology, University of Athens Medical School, Attikon Hospital, Athens, Greece.
3
3rd Department of Cardiology, University of Athens Medical School, Attikon Hospital, Athens, Greece.

Abstract

BACKGROUND:

Statins have been proposed as a means to prevent postablation atrial fibrillation (AF) recurrences, mainly on the basis of their pleiotropic effects. The objective of this subanalysis of a prospectively randomized controlled study population of patients undergoing radiofrequency ablation for paroxysmal AF was to test the hypothesis that statin treatment is associated with longer time to recurrence.

METHODS AND RESULTS:

This is a subanalysis over an extended follow-up period of a prospective randomized study (ClinicalTrials.gov Identifier NCT01791699). Among 291 patients, 2 propensity score-matched subgroups of patients who received or did not receive statins after pulmonary vein isolation were created. In the unmatched cohort, there was no difference in the rate of recurrence between statin-treated and not treated patients, with a 1-year recurrence estimate of 19% and 23%, respectively (Gehan statistic 0.59, P = 0.443). In the propensity-matched cohort (N = 166, 83 per group), recurrence-free survival did not differ significantly between groups (839 days, 95% confidence interval 755-922 days, in the no statin group vs. 904 days, 95% confidence interval 826-983 in the statin group; P = 0.301). The 1-year recurrence rate estimate was 30% in the no statin group versus 27% in the statin group (Gehan statistic 0.56, P = 0.455).

CONCLUSION:

Statin treatment does not seem to affect AF recurrence in following radiofrequency ablation for paroxysmal AF, over a follow-up time of about 2.5 years.

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