Cited by 36Cardiac Arrhythmias and TreatmentsAtrial Fibrillation Management and OutcomesCardiac electrophysiology and arrhythmias

Efficacy and safety of short intravenous amiodarone in supraventricular tachyarrhythmias

Vietti-Ramus, Guido, Veglio, Franco, Marchisio, Ugo, Burzio, Pietro, Latini, Roberto·1992·International Journal of Cardiology

Abstract

The safety and efficacy of short intravenous therapy with amiodarone were evaluated in 44 patients (24 males, 20 females), aged 21-84 years, with supraventricular tachyarrhythmias newly arisen in less than 24 hours. The study group consisted of 15 patients with paroxysmal supraventricular tachycardia, 8 patients with atrial flutter and 21 patients with atrial fibrillation. They were treated with a single infusion of amiodarone up to 2 hours after the restoration of a stable sinus rhythm, or up to a maximum dose of 2400 mg in 24 hours. Our study shows that 88.6% of all supraventricular tachyarrhythmias reverts to sinus rhythm in less than 24 hours: 100% of paroxysmal supraventricular tachycardia, 75% of atrial flutter, and 85.7% of atrial fibrillation. Intravenously administered amiodarone proves to take effect rapidly (0.5 to 22 hours). The plasma amiodarone concentrations at sinus rhythm restoration showed a wide range (405-3800 ng/ml). Piecewise analysis suggested that the probability of sinus rhythm was 14.4-fold greater in paroxysmal supraventricular tachycardia. No linear statistical relationship was detectable between the log-dose-body mass index and log-QTc. Total amiodarone dose and left atrial volume are inversely correlated with a statistically significant difference. The toxicity in our short intravenous course with amiodarone was not relevant. We conclude that short high-dose intravenous amiodarone shows efficacy and safety in all newly occurring supraventricular tachyarrhythmias.

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Crossref · 10.1016/0167-5273(92)90058-b

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Authors
Vietti-Ramus, G., Veglio, F., Marchisio, U., Burzio, P., & Latini, R.
Affiliations
  • Ospedale San Giovanni Bosco (IT)
  • University of Turin (IT)
  • Mario Negri Institute for Pharmacological Research (IT)
Venue
International Journal of Cardiology
Publisher
Elsevier BV
Published
1992-04
Volume
35
Issue
1
Pages
77-85
ISSN
0167-5273 (ISSN-L)
OpenAlex
W2023493040
Cited by
36
References
29
Citations by year
2022: 2 · 2021: 1 · 2020: 1 · 2019: 2 · 2016: 5 · 2012: 1
FWCI
1.10
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Cardiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Arrhythmias and Treatments
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Atrial Fibrillation Management and Outcomes
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
Keywords
amiodarone, intravenous amiodarone, supraventricular tachyarrhythmias, paroxysmal supraventricular tachycardia, atrial flutter, atrial fibrillation, sinus rhythm restoration, QTc prolongation, left atrial volume, drug toxicity
MeSH terms
Adult, Aged, Amiodarone, Arrhythmias, Cardiac, Atrial Fibrillation, Atrial Flutter, Dose-Response Relationship, Drug, Female, Humans, Infusions, Intravenous, Male, Middle Aged, Stroke Volume, Tachycardia, Paroxysmal, Tachycardia, Supraventricular

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