Cited by 70Atrial Fibrillation Management and OutcomesCardiac Arrhythmias and TreatmentsCardiac electrophysiology and arrhythmias

Conversion efficacy of intravenous ibutilide compared with intravenous amiodarone in patients with recent-onset atrial fibrillation and atrial flutter

Kafkas, Nikolaos V., Patsilinakos, Sotirios P., Mertzanos, George A., Papageorgiou, Kostas I., Chaveles, John I., Dagadaki, Ourania K., Kelesidis, Kostas M.·2007·International Journal of Cardiology

Abstract

Aim The aim of our study was to compare the efficacy and safety of ibutilide and amiodarone (intravenously) in converting recent-onset atrial fibrillation (AF) and atrial flutter (Af) to sinus rhythm (SR).Methods The study was prospective, randomized and included 152 (103 men and 49 women) consecutive patients with AF or Af of 3-48 h duration. Ibutilide is a selective class III antiarrhythmic agent which when administered intravenously can terminate AF and Af. Amiodarone is also a class III antiarrhythmic agent that when given intravenously or orally has proved to be more effective than other agents in terminating AF and Af [B.N. Singh, F.V. Mody, B. Lopez, J.S. Sarma. Antiarrhythmic agents for atrial fibrillation: focus on prolonging atrial repolarization. Am J Cardiol 1999 Nov 4; 84: 161R-173R.]. Seventy-nine patients (56 with AF and 23 with Af) that consisted group A were treated with ibutilide. Seventy-three (52 with AF and 21 with Af) consisted group B and were treated with intravenous infusion of amiodarone.Results The conversion rate of group A (ibutilide) was significantly higher than the conversion rate of group B (amiodarone) (80% vs. 57%, p=0.0054). As regards the kind of arrhythmia separately, for AF there wasn't significant difference (77% vs. 69%, p=ns) whereas for Af ibutilide was superior to amiodarone (87% vs. 29%, p=0.003). The conversion rates of ibutilide didn't differ for AF and Af (77% vs. 87%, p=ns).Conclusions Ibutilide is more effective than amiodarone in converting recent-onset Af to SR whereas both drugs are equally effective in converting recent-onset AF to SR.

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Crossref · 10.1016/j.ijcard.2006.07.017

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Authors
Kafkas, N. V., Patsilinakos, S. P., Mertzanos, G. A., Papageorgiou, K. I., Chaveles, J. I., Dagadaki, O. K., & Kelesidis, K. M.
Affiliations
KAT General Hospital of Attica (GR)
Corresponding author
Kafkas, Nikolaos V.
Venue
International Journal of Cardiology
Publisher
Elsevier BV
Published
2007-06
Volume
118
Issue
3
Pages
321-325
ISSN
0167-5273 (ISSN-L)
OpenAlex
W1970252226
Cited by
70
References
21
Citations by year
2026: 1 · 2025: 2 · 2024: 6 · 2023: 4 · 2022: 4 · 2021: 9 · 2020: 6 · 2019: 3 · 2018: 1 · 2017: 3 · 2016: 2 · 2015: 1 · 2014: 1 · 2013: 4 · 2012: 5
FWCI
1.90
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Cardiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Atrial Fibrillation Management and Outcomes
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Arrhythmias and Treatments
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
Keywords
ibutilide, amiodarone, atrial fibrillation, atrial flutter, sinus rhythm restoration, class III antiarrhythmic agents, drug safety comparison
MeSH terms
Acute Disease, Aged, Aged, 80 and over, Amiodarone, Atrial Fibrillation, Atrial Flutter, Dose-Response Relationship, Drug, Drug Administration Schedule, Electrocardiography, Female, Follow-Up Studies, Humans, Infusions, Intravenous, Male, Middle Aged, Probability, Prospective Studies, Recurrence, Severity of Illness Index, Sulfonamides, Treatment Outcome, Risk Assessment, Statistics, Nonparametric

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