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Lorcainide -- an anti-arrhythmic agent for ventricular arrhythmias
South African Medical Journal = Suid-Afrikaanse Tydskrif Vir Geneeskunde
|February 16, 1980
Summary
Lorcainide effectively reduced ventricular ectopic beats in post-myocardial infarction patients. Long-term use improved anti-arrhythmic response, with side effects like insomnia diminishing over time.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Post-myocardial infarction patients are at risk for ventricular arrhythmias.
- Effective long-term anti-arrhythmic therapy is crucial for managing this patient population.
Purpose of the Study:
- To evaluate the long-term anti-arrhythmic efficacy and safety of lorcainide.
- To assess the drug's impact on ventricular ectopic activity in post-MI patients.
Main Methods:
- A study involving 20 ambulatory patients post-myocardial infarction.
- Long-term administration of lorcainide with regular monitoring of ventricular ectopic beats.
- Electrocardiographic assessments to evaluate cardiac effects.
Main Results:
- Lorcainide significantly reduced ventricular ectopic beats in a majority of patients (over 70% reduction in 17/20, over 90% in 11/20).
- Anti-arrhythmic response improved with sustained drug administration.
- Transient insomnia was the most common side effect, decreasing over time.
Conclusions:
- Lorcainide demonstrates useful long-term anti-arrhythmic efficacy against ventricular ectopic activity.
- The drug is a valuable addition to the therapeutic options for managing post-myocardial infarction arrhythmias.