Ranolazine enhances the antiarrhythmic activity of amiodarone by accelerating conversion of new-onset atrial fibrillation after cardiac surgery.

Abstract:

:Ranolazine is a relatively novel antiischemic/antianginal compound with antiarrhythmic properties. We investigated its ability to shorten the time to conversion of postoperative atrial fibrillation (POAF) when added to amiodarone after coronary artery bypass graft (CABG) surgery. In this prospective, randomized, allocation-concealed, single-blind, single-site clinical trial, we enrolled consecutive eligible patients who developed POAF after elective on-pump CABG surgery. Participants were randomized to receive either ranolazine 375 mg twice daily orally plus intravenous amiodarone (active group) or intravenous amiodarone alone (control group). We enrolled 41 patients; 20 in the active and 21 in the control group. There were no significant differences between the groups in terms of age, procedural duration, extracorporeal circulation time, and aortic cross-clamp time. Mean time of conversion was significantly shorter in the active group (19.9 ± 3.2 vs 37.2 ± 3.9 hours, P < .001), suggesting that compared to amiodarone alone, the ranolazine-amiodarone combination had a superior antiarrhythmic effect against POAF.

journal_name

Angiology

journal_title

Angiology

authors

Simopoulos V,Tagarakis GI,Daskalopoulou SS,Daskalopoulos ME,Lenos A,Chryssagis K,Skoularingis I,Molyvdas PA,Tsilimingas NB,Aidonidis I

doi

10.1177/0003319713477911

subject

Has Abstract

pub_date

2014-04-01 00:00:00

pages

294-7

issue

4

eissn

0003-3197

issn

1940-1574

pii

0003319713477911

journal_volume

65

pub_type

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