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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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Statin therapy decreased the recurrence frequency of atrial fibrillation after electrical cardioversion: a

Peng Yan1, Pingshuan Dong1, Zhijuan Li1

  • 1Department of Cardiology, First Affiliated Hospital, Henan Science and Technology University, Luoyang, Henan, China (mainland).

Medical Science Monitor : International Medical Journal of Experimental and Clinical Research
|December 23, 2014
PubMed

Insights

Statins significantly reduce atrial fibrillation (AF) recurrence after electrical cardioversion (EC). This meta-analysis confirms statin therapy, particularly atorvastatin and rosuvastatin, benefits patients by preventing AF relapse.

Area of Science:

  • Cardiology
  • Pharmacology

Background:

  • Atrial fibrillation (AF) recurrence post-electrical cardioversion (EC) remains a clinical challenge.
  • The role of statin agents in preventing AF relapse after EC is not well-defined.

Purpose of the Study:

  • To evaluate the efficacy of statin agents in preventing AF recurrence following EC.
  • To conduct a meta-analysis of randomized controlled trials (RCTs) assessing this clinical outcome.

Main Methods:

  • Systematic literature search of major databases (Medline, EMBASE, Web of Science, Cochrane).
  • Inclusion of RCTs comparing statin therapy versus placebo or conventional treatment in post-EC AF patients.
  • Meta-analysis of pooled results presented as risk ratios (RRs) with 95% confidence intervals (CIs).

Main Results:

  • Analysis of 5 RCTs involving 524 patients.
  • Statins significantly decreased AF recurrence post-EC (RR=0.76, p=0.004).
  • Beneficial effects observed with atorvastatin and rosuvastatin, particularly in younger patients (<65 years) and within 12 months post-EC.

Conclusions:

  • Statin administration, specifically atorvastatin or rosuvastatin, is effective in reducing AF recurrence post-EC.
  • Statins represent a beneficial therapeutic option for maintaining sinus rhythm after electrical cardioversion.
Abstract

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