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  • Title: Antiarrhythmic therapy as an adjuvant to promote post pulmonary vein isolation success-a meta-analysis.
    Author: Goldenberg GR, Burd D, Lodzinski P, Stabile G, Udell JA, Newman D, Shurrab M, Crystal E.
    Journal: J Interv Card Electrophysiol; 2016 Nov; 47(2):171-176. PubMed ID: 27357216.
    Abstract:
    BACKGROUND: Three months of empirical antiarrhythmic drug (AAD) therapy after atrial fibrillation ablation (AFA) is a common practice to prevent early arrhythmia recurrence; the data of influence of this practice on longer term ablation outcomes is limited. PURPOSE: The aim of this study was to perform a meta-analysis of published controlled trials comparing temporary AAD therapy after AFA with no AAD therapy in patients after AFA. The primary outcome was recurrence of arrhythmia. RESULTS: 1Eight prospective trials were included. Among 2952 patients, 1991 (67 %) had paroxysmal AF, and 967 (32.7 %) had persistent AF. In total, 1502 patients were treated with AADs and 1450 patients served as a control group (no AAD therapy). Various class IC-III antiarrhythmics were used. Length of AAD administration varied between 6 and 12 weeks after start of AFA. The follow-up duration ranged from 1.5 to 17 months after stopping medication. Among AAD treated patients, the recurrence of arrhythmia rate was 30.69 vs. 33.79 % in control patients (odd ratio 0.86, 95 % CI 0.71-1.06, P = 0.15). In patients who received largely amiodarone, there was a trend for difference in recurrence of atrial arrhythmia (odds ratio 0.60, 95 % CI 0.34-1.09, P = 0.09). CONCLUSIONS: Short-term post pulmonary vein isolation (PVI) AAD therapy does not substantially reduce overall recurrence of AF after ablation.
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