952 safety of class ic antiarrhythmic drugs in coronary artery disease patients: a systematic review and meta-analysis
European Heart Journal Supplements(2022)
Abstract
Abstract Introduction Class IC antiarrhythmic drugs (AADs) currently represent a cornerstone in the therapy of atrial fibrillation (AF). They also play an important role in the treatment of idiopathic ventricular arrhythmias. Following the results of the CAST study flecainide and by extension the other class IC AADs were contraindicated in patients with ischemic and structural heart disease, because of their proarrhythmic effect and the consequent increase in mortality observed in the study. Recent studies, carried out on patients with chronic coronary heart disease, have shown a good safety profile for this class of drugs. Methods The aim of our study was to evaluate the mortality and the mortality rate in patients affected by ischaemic heart disease who take Class IC AADs. A systematic review and meta-analysis was conducted using Pubmed and Embase databases, following the PRISMA guidelines, to collect literature data reporting Class IC AADs safety in patients affected by coronary artery disease. Results The final analysis included four studies accounting for a total of 3643. In the Classe IC AADs group the events (all cause death) were observed in 104/1170 patients, while in the control group were observed in 338/2473 patients, showing an ODDS ratio of 1.431 (IC 0.748-2.740), p value 0.279 (TABLE 1A). The event rate per year was 5,5% in the CLASS IC AADs group and 5,1 in the control group, with an ODDS ratio of 1.524 (IC 0.807-2.879), p value 0.194 (TABLE 1B). Conclusion Class IC AADs doesn't increase the overall mortality and mortality rate in patient affected by icheamic heart disease. These observations await confirmation through randomised clinical trial.
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Key words
antiarrhythmic drugs,coronary artery disease patients,systematic review,meta-analysis
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