Arrhythmias & electrophysiology

The Feasibility and Safety of Flecainide Use Among Patients With Varying Degrees of Coronary Disease

JACC Clin ElectrophysiolPublished Retrospective cohort study

Main finding · Event-free survivalResult — go to the resultHazard ratio 3.80 95% CI 1.67–8.67

Authors' conclusion

Among select patients with nonobstructive CAD and without a history of ventricular tachycardia, IC agents are not associated with increased mortality.

Study context

Population
Patients on antiarrhythmic agents with varying degrees of coronary artery disease (CAD) (none, nonobstructive, obstructive), without prior VT, ICD placement or nonrevascularized MI, 2005–2021
Participants
3,445 vs 2,216
Exposure
Class IC antiarrhythmic agents vs sotalol or dofetilide
  • IC agentn = 3,445
  • Sotalol or dofetiliden = 2,216reference
Outcome
Event-free survival (incl. mortality)
Methodological detailssingle-centre
  • Single-centre

Main finding

Event-free survival

Hazard ratio

3.80

95% CI 1.67–8.67

P = 0.002

IC agentvs Sotalol
HR 3.80 (95% CI 1.67–8.67); P = 0.002

As reported in the abstract

Observational data: associations, not effects.

Original publication

The Feasibility and Safety of Flecainide Use Among Patients With Varying Degrees of Coronary Disease. JACC Clin Electrophysiol. Published 22 February 2023. doi:10.1016/j.jacep.2022.12.021

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