Key result
Propafenone was effective in 50% of patients with frequent ventricular arrhythmias, with lower titration doses, younger age, and low spontaneous arrhythmia variability predicting long-term efficacy.
Why the study?
What clinical criteria predict the short and long-term efficacy of propafenone in patients with frequent ventricular arrhythmias?
What clinical criteria predict the short and long-term efficacy of propafenone in patients with frequent ventricular arrhythmias?
In patients with frequent ventricular arrhythmias, propafenone is most effective long-term in younger patients with low spontaneous arrhythmia variability who respond to lower initial doses.
Answers are grounded in this paper and cite their sources.
May guide propafenone selection in ventricular arrhythmias; hypothesis-generating and leaves open randomized confirmation.
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Zehender et al. (1992) studied frequent ventricular arrhythmias (n=100). Propafenone was evaluated on short and long-term efficacy (response to treatment). Propafenone was effective in 50% of patients with frequent ventricular arrhythmias, with lower titration doses, younger age, and low spontaneous arrhythmia variability predicting long-term efficacy.
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