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Recainam, a potent new antiarrhythmic agent: effects on complex ventricular arrhythmias.

Authors
  • Anastasiou-Nana, M I
  • Anderson, J L
  • Hampton, E M
  • Nanas, J N
  • Heath, B M
Type
Published Article
Journal
Journal of the American College of Cardiology
Publisher
Elsevier
Publication Date
Aug 01, 1986
Volume
8
Issue
2
Pages
427–435
Identifiers
PMID: 3734265
Source
Medline
License
Unknown

Abstract

The antiarrhythmic efficacy and safety of intravenous recainam, a newly synthesized compound displaying potent class I antiarrhythmic activity, were tested in 10 hospitalized patients with frequent (greater than 30/h) complex ventricular ectopic beats. There were seven men and three women of average age 57 years (range 21 to 74); five had ischemic heart disease, three had cardiomyopathy and two had valvular heart disease. Recainam was given as a 3.0 mg/kg per 40 min loading infusion followed by a 0.9 mg/kg per h maintenance infusion over a 24 hour observation period. Arrhythmia response was assessed both in the short term (comparing 2 hours before and 1 hour after drug loading) and in the long term (comparing 48 hours before drug loading and 23 hours of maintenance infusion). The median frequency of total premature ventricular complexes decreased in the short term by 99.6% (from 392.5 to 1.5/h, p less than 0.005) and in the long term by 99.7% (from 435 to 1.3/h, p less than 0.01). Repetitive beats were suppressed by a median of 100% both in the short term (p less than 0.006) and during 24 hour infusion (from 80.9 to 0/h, p less than 0.003). More than 90% suppression of repetitive beats occurred in all 10 patients (100%) and more than 90% suppression of total arrhythmias occurred in 9 patients (90%) during the maintenance period. Electrocardiographic PR and QRS intervals increased by 19% (p less than 0.001) and 24% (p less than 0.003), respectively, during therapy, but the JTc interval decreased (p less than 0.001).(ABSTRACT TRUNCATED AT 250 WORDS)

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